Mercury NZ Limited/Announcement
Mercury NZ Limited logo

Record generation and significant business growth

Full Year Results20 August 2023MCYUtilities

Results announcement





Results for announcement to the market

Name of issuer Mercury NZ Limited (MCY)

Reporting Period 12 months to 30 June 2023

Previous Reporting Period 12 months to 30 June 2022

Currency NZD

Amount (000s) Percentage change

Revenue from continuing

operations

$2,730,000 +24.8%

Total Revenue $2,730,000 +24.8%

Net profit/(loss) from

continuing operations

$103,000 -78.0%

Total net profit/(loss) $103,000 -78.0%

Final Dividend

Amount per Quoted Equity

Security

$0.13100000

Imputed amount per Quoted

Equity Security

$0.05094444

Record Date 14 September 2023

Dividend Payment Date 29 September 2023

Current period Prior comparable period

Net tangible assets per

Quoted Equity Security

$3.40 $3.35

A brief explanation of any of

the figures above necessary

to enable the figures to be

understood

Refer to accompanying audited financial statements.

Authority for this announcement

Name of person


authorised

to make this announcement

Howard Thomas, Company Secretary

Contact person for this

announcement

Howard Thomas, Company Secretary

Contact phone number +64 9 308 8200

Contact email address Howard.Thomas@Mercury.co.nz

Date of release through MAP


21/08/221/08/2023


Audited financial statements accompany this announcement.

---

STOCK EXCHANGE LISTINGS: NZX (MCY) / ASX (MCY)

NEWS RELEASE


Results reflect record generation and significant business growth

FY23 Financial Results Summary

FY2023 FY2022 Change %

NET PROFIT AFTER TAX ($M) 103 469 -78%

EBITDAF ($M) 841 581 45%

STAY-IN-BUSINESS CAPITAL EXPENDITURE ($M) 119 68 75%

ELECTRICITY GENERATION (GWh)

9,038

7,499 21%

FINAL FULLY IMPUTED ORDINARY DIVIDEND (CENTS PER SHARE)

13.1 12.0 9%

TOTAL ORDINARY DIVIDEND (CENTS PER SHARE), FULLY IMPUTED

21.8 20.0 9%


21 August 2023 – Significant investments to increase the scale of our business and record generation has

delivered results for Mercury in 2023.


“This year we realise the full benefits of large-scale investments made over the past two years to grow our renewable

generation and customer business,” said Mercury Chief Executive, Vince Hawksworth.

Annual generation exceeded 9 TWh up 21% from 2022 levels. Record inflows into the hydro catchment underpinned strong

hydro generation at 5,209 GWh, 28% higher than average. More than 1,000 GWh was spilled during the year to maintain lakes

within consented operating limits. Wind generation increased 16% to 1,471 GWh following the Turitea South wind farm

becoming fully operational.

Mercury’s scaled retail business also contributed to this result. Mercury is New Zealand’s largest electricity retailer by customer

market share, with 860,000 customer connections following the Trustpower retail and NOW NZ acquisitions in 2022.

Mercury’s net profit after tax was $103 million, down $366 million on the previous year, with the previous year’s results including

the gain made on the sale of our Tilt Renewables shareholding. Mercury reported $841 million operating earnings (EBITDAF),

up $260 million on the prior year’s $581 million EBITDAF. Operational expenditure was $346 million, up $116 million on the prior

year, while total stay-in-business capital expenditure was $119 million (up $51 million on the prior year).

During the year there was record-breaking rainfall in many parts of New Zealand, including the Waikato catchment. This is

reflected in today’s result, as signalled in previous updates to the market.

“We know that for some the rainfall events had devastating impacts, and we provided financial assistance and on-the-ground

help for our most severely impacted customers during the year in recognition of this. We also elected to delay the

implementation of customer price changes to these affected areas,” said Mr Hawksworth.

Results have been partially offset by lower annual geothermal generation due to outages and lower electricity spot prices,

however the turnaround at Kawerau geothermal station to install a new turbine and generator was completed successfully.

Supporting customers in need

Mercury Chair, Prue Flacks, said the company remained highly attuned to its role supporting New Zealanders through the

transition to a low-carbon economy and more immediate economic challenges.

“We acknowledge this is a challenging time for many, with the rising cost of living impacting many households. As a major

electricity retailer, we have a role to play in supporting customers and we take that responsibility seriously,” said Ms Flacks.

Actions to strengthen customer care this year included collaborating on joint research into hidden hardship with Genesis Energy

and working on potential solutions with community groups. A two-year Winter Energy Study in partnership with Kāinga Ora -

Homes and Communities to trial how capped bills benefit customers over winter was also launched.



Significant progress ‘InterGREATing’ the retail business

Significant progress was made to bring together Trustpower and Mercury employees, customers, brands, processes and

systems during the year. All Trustpower customers were welcomed onto the Mercury brand in June, which included a refreshed

technology platform, bill, website and app.

“We are firmly focussed on the successful migration of all our customers to a single technology stack. This is a major

programme of work, and managing customer experience through this process is front of mind,” said Mr Hawksworth.

“Completion of integration is key to unlocking benefits of the acquisition and we’re on track to deliver the cost synergies forecast

when we announced the Trustpower retail acquisition.”

Delivering on quality renewables pipeline

Mr Hawksworth said the company celebrated several key milestones during the year as the business continued to grow its wind

generation portfolio.

Full operation of Turitea South wind farm commenced in July 2023 with total project cost confirmed at $450 million (excluding

capitalised interest). The $115 million, 43 MW Kaiwera Downs 1 wind farm is also nearing completion and remains on track to

be operational by October 2023, with first power targeted for early September.

“We are actively considering our next projects as we continue to move at pace to bring more renewables online for the country,”

said Mr Hawksworth.

Consent has been granted for the expansion of an additional generating unit at the Ngā Tamariki geothermal station, and design

and procurement is now underway prior to Final Investment Decision. Kaiwera Downs 2 and Kaiwaikawe wind farms are also

both nearing Final Investment Decision development stages.

“Simultaneously, we continued our 20-plus year, half billion-dollar hydro refurbishment programme, to ensure the vital hydro

assets in the Waikato are able to operate for another century,” said Mr Hawksworth.

Other operational highlights

• Developed Mercury’s first Climate Transition Action Plan including emissions reduction targets, using tools provided by the

Science-Based Targets Initiative.

• Cross-sector collaboration including commissioning an independent report by the Boston Consulting Group to provide a

system-wide perspective on New Zealand’s low-carbon transition.

• Sales to commercial and industrial customers (physical and financial) lifting to 3,592 GWh, including a significant long-term

agreement with Amazon to purchase approximately half the real-time output from the southern section of the Turitea wind

farm.

• Progress on Diversity, Equity and Inclusion initiatives including the launch of more inclusive leave policies and the extension

of the Diverse Emerging Leaders programme.

• Launch of a comprehensive health, safety and wellbeing policy towards a more holistic approach to safety and wellbeing.

Total Recordable Injury Frequency Rate (TRIFR) was 0.49 for FY23 (down from 0.60 in 2022).

Dividend

Ms Flacks announced the Board had declared a final dividend of 13.1 cents per share (cps) to be paid on 29 September 2023.

This brings the full-year ordinary dividend to 21.8 cps, up 9% (20.0 cps FY22). This is the 15th consecutive year of ordinary

dividend growth.

Shareholders can further support growth by participating in Mercury’s Dividend Reinvestment Plan, which has been extended.

Shares for the FY2023 final dividend will be offered at a discount of 2.0% to the market price, calculated in accordance with the

Dividend Reinvestment Plan Offer dated 22 February 2022.

Guidance

Mercury is largely on track to meet or in some cases exceed its three-year objectives, two years in.

Mercury’s FY24 EBITDAF guidance has been set at $835 million.

Guidance may change and remains subject to any material events, significant one-off expenses or other unforeseen

circumstances including changes to hydrological conditions.

FY24 stay-in-business capex guidance is $160 million, and FY24 ordinary dividend guidance is 23.3 cps representing a 6.9%

increase on FY23 and the 16th consecutive year of ordinary dividend increases.



ENDS

Howard Thomas

General Counsel and Company Secretary

Mercury NZ Limited


For investor relations queries, please contact:

Paul Ruediger

Head of Business Performance & Investor Relations

027 517 3470

investor@mercury.co.nz

For media queries, please contact:

Shannon Goldstone

Head of Communications

027 210 5337

mercurycommunications@mercury.co.nz

ABOUT MERCURY NZ LIMITED

Mercury generates electricity from 100% renewable sources: hydro, geothermal and wind.

We are also a retailer of electricity, gas, broadband and mobile services.

We’re listed on the New Zealand Stock Exchange and the Australian Stock Exchange with the ticker symbol ‘MCY’, with foreign

exempt listed status. The New Zealand Government holds a legislated minimum 51% shareholding in the Company.

Visit us at: www.mercury.co.nz

---

21 August 2023




















































































---

TOGETHER ON THE JOURNEY.
2023 INTEGRATED REPORT.

MERCURY NZ LIMITED

MERCURY INTEGRATED REPORT 2023
MENU

2

Mercury is committed to providing the full picture: transparent

disclosures in easily understood, comparable and engaging ways

so that we meet the expectations of our many stakeholders.

This is an Integrated Report which follows the Integrated

Reporting <IR> framework.

We describe Our Business Model, including inputs, outputs, and

the outcomes of our strategic approach across our five long-term

aspirations that determine how we generate long-term value.

We include a specific Global Reporting Initiative (GRI) Index and

comprehensive climate disclosures, which align with the recently

published Aotearoa New Zealand Climate Standards.

We have grouped our reporting into six sections to help you

find areas of particular interest, but they are all part of who we

are, what we do and why. Across all this, our aim is to report

openly and honestly on our performance in a way that shows

the integrated approach we take.

If you have any comments about this report, including things

we could do better, please email investor@mercury.co.nz

STATEMENT FROM THE DIRECTORS

The directors are pleased to present Mercury NZ Limited’s

Integrated Report and Financial Statements for the year ended

30 June 2023. The Auditor-General is required to be Mercury’s

auditor, and has appointed Lloyd Bunyan of Ernst & Young to

undertake the audit on his behalf.

This Integrated Report is dated 21 August 2023 and is signed

on behalf of the Board by:

PRUE FLACKS // CHAIRJAMES MILLER // DIRECTOR

ABOUT THIS REPORT.

TOGETHER ON THE JOURNEY.

Kia ora and welcome to Mercury’s 2023 Integrated Report. Our theme this year –

Together on the Journey – is a celebration of the power of collaboration, cohesion

and unity.

This reflects the many times we’ve come together with a shared destination in mind

this year. Whether this be bringing together our people and customers under

a single brand, collaborating with community to strengthen our support of customers

or working with the sector to help shape Aotearoa’s future energy landscape.

Beyond the bounds of our organisation, we also recognise our role as part of

a community navigating the challenges of a rapidly changing, complex world:

the ever-pressing issues of climate change, dramatic technological advancement

and demand for a more inclusive and equitable society.

ABOUT THIS REPORT

MERCURY INTEGRATED REPORT 2023
wHO wE

ARE

3

MENU

We generate electricity from 100% renewable sources: hydro,

geothermal and wind. We are also a retailer of electricity, gas,

broadband and mobile services.

Our electricity generation sites are located along the

Waikato River (hydro), the nearby steamfields of the

northern part of the Central Plateau (geothermal)

and in the Manawatū, South Taranaki, Otago and

Southland regions (wind).

This year, we completed construction of New Zealand's

largest wind farm, Turitea, on the Tararua Ranges

in the Manawatū. We have a pipeline of future wind

development sites across the country, and are on track

to complete construction of Stage 1 of a new wind

farm at Kaiwera Downs near Gore in October 2023.

We are committed to building and maintaining,

authentic relationships with iwi/Māori, particularly in the

lands around our generating assets. This will be achieved

through ongoing conversations, and careful listening to

understand where our values and aspirations align.

We sell electricity, gas, broadband and mobile

services through our retail operations to residential

and small to medium-sized business customers.

Our sub-brand GLOBUG is our pre-pay electricity

product. Our Commercial sales team service industrial

and wholesale market customers offering electricity.

04 HOw wE CREATE VALUE.


TE PĒwHEA O TĀ MĀTOU

wHAKAMANA.

05 OUR BUSINESS MODEL

06 PROGRESS TOWARDS OUR OBJECTIVES

07 OUR FY22-24 STRATEGIC FRAMEWORK

08 CHAIR & CHIEF EXECUTIVE UPDATE

11 wHAT MATTERS MOST.

TE MEA NUI.

12 ENGAGING WITH IWI AND STAKEHOLDERS

13 THE RISKS WE FACE

14 PULLING IT ALL TOGETHER

15 HOw wE DELIVER VALUE.

TE PĒwHEA O TĀ MĀTOU TUKU HIRA.


16 DELIVERING VALUE AT A GLANCE

17 KIRITAKI / CUSTOMER

19 KŌTUITANGA / PARTNERSHIPS

21 KAITIAKITANGA / STEWARDSHIP

23 NGĀ TĀNGAGA / PEOPLE

25 ARUMNI / COMMERCIAL

27 LOOKING AT THE NUMBERS.

TE TITIRO KI NGĀ TATAU.

28 FINANCIAL COMMENTARY

29 FINANCIAL TRACK RECORD

30 INDEPENDENT AUDITOR’S REPORT

33 GROUP FINANCIAL STATEMENTS

36 NOTES TO FINANCIAL STATEMENTS

58 CLIMATE STATEMENT.

TE TAUĀKI ĀHUARANGI.

60 INTRODUCTION

61 GOVERNANCE

64 STRATEGY

70 RISK MANAGEMENT

72 METRICS & TARGETS

74 LEADERSHIP & GOVERNANCE.

E TĀTAKI ME TE wHAKAHAERE.


75 YOUR BOARD OF DIRECTORS

78 YOUR EXECUTIVE TEAM

79 GOVERNANCE AT MERCURY

95 REMUNERATION REPORT

104 DIRECTORS’ DISCLOSURES

106 SECURITY HOLDER INFORMATION

112 COMPANY DISCLOSURES

113 OTHER DISCLOSURES

115 GLOBAL REPORTING INITIATVE (GRI) INDEX

118 INFORMATION FOR SHAREHOLDERS

119 DIRECTORY

120 GLOSSARY

121 RĀRANGI INGOA LIST OF NAMES

wHO wE ARE.MENU.

KARĀPIRO

ARAPUNI

wAIPĀPA

MARAETAI I

AND II

wHAKAMARU

ŌHAKURI

ĀTIAMURI

ARATIATIA

NGĀ TAMARIKI

NGĀ AwA

PŪRUA

+

LAKE TAUPŌ

ROTOKAwA

+

MŌKAI

+

KAwERAU

MAHINERANGI

KAIwERA

DOwNS++

TURITEA

TARARUA

wAIPIPI

+ not 100% owned by Mercury

++ under construction

HYDRO STATIONS

GEOTHERMAL STATIONS

wIND FARMS

Turitea wind farm.4
HO

w

wE CREATE VALUE

MENU

MERCURY INTEGRATED REPORT 2023

HOw wE CREATE VALUE.

TE PĒwHEA O TĀ MĀTOU wHAKAMANA.

In this section we highlight factors that affect our ability

to create value over time (Our Business Model), including

outlining our past and current performance and outcomes,

and present our strategic framework. Our Chair, Prue Flacks,

and Chief Executive, Vince Hawksworth, then jointly

summarise our 2023 financial year.

MERCURY INTEGRATED REPORT 2023
HO

w

wE CREATE VALUE

MENU

5

OUR BUSINESS MODEL.

5,209

2,3581,471

6,749

Gwh HYDRO

GENERATION

Gwh GEO

GENERATION

Gwh wIND

GENERATION

Gwh PHYSICAL

SALES

590k electricity

102k gas

151k telecommunications

17k mobile

2 geothermal joint ventures

8 formal iwi relationships

20 community and

commercial partnerships

72

K

SHAREHOLDERS

860

K

CUSTOMER

CONNECTIONS

9 hydro

5 geothermal

6 wind

20

POwER

S TATIONS

763 women

747 men

2 non-binary

518 in Auckland

520 in Tauranga

124 in Hamilton

134 Rest of NZ

74 in Rotorua


42 in Taupō

100 Oamaru

1,512

PERMANENT

EMPLOYEES

3

K

BONDHOLDERS

10

20

FORMAL IwI

RELATIONSHIPS

PARTNERSHIPS

OUR BUSINESS

MODEL EXPLAINED.

Our Business Model shows our key inputs

interacting with our business activities to

create outputs of sustainable, commercial

value. The outcomes of our activity are

measured and take us towards achieving

our long-term aspirations and realising

our purpose.

INPUTSOUR BUSINESS ACTIVITIESOUTPUTS

17

%

CONSUMPTION

MARKET SHARE

22

%

GENERATION

MARKET SHARE

C

U

R

I

O

U

S







C

O

M

M

I

T






C

A

R

E






C

O

N

N

E

C

T

KIRITAKI

/

CUSTOMER

Inspiring, rewarding and making

it easier for our customers.

KAITIAKITANGA

/ STEwARDSHIP

Long-term sustainability of natural

resources and assets.

NGĀ TĀNGATA

/

OUR PEOPLE

Enabling our people to perform

together in a changing environment

and keep each other safe.

KŌTUITANGA

/

PARTNERSHIPS

Providing greater opportunities for New Zealand,

our industry, our partners and our business

through long-term collaboration.

ARUMONI

/

COMMERCIAL

Achieving our commercial goals

through sustainable growth.

MERCURY INTEGRATED REPORT 2023
HO

w

wE CREATE VALUE

MENU

6

THREE-YEAR

OBJECTIVES

PROGRESS AGAINST OUR MEASURESFY23 OUTCOMES

LONG-TERM

ASPIRATIONS

Enhance our licence

to operate through

collaborative work with

our stakeholders


Zero Harm organisation

Refreshed Health, Safety & Wellbeing policy launched. Building culture to grow capability of people and systems enabling safe and healthy outcomes.


No serious injury at Mercury sites or of customers

through our service

No serious injuries in FY23. Total Recordable Injury Frequency Rate 0.49 (down from 0.60 in FY22).


Enhanced engagement with iwi, partners

& stakeholders

Ongoing partnership meetings held with all river iwi. Leadership Tira Hoe with Waikato Tainui, senior engagement with other key iwi leaders. Relationships

progressed with iwi at wind sites. Initiatives to upskill staff in place. Increased use of te reo Māori in company communications.


Collaboration with stakeholders in the Waikato

to improve the catchment

Continued investment in environmental restoration projects within the Waikato catchment via Waikato Catchment Ecological Enhancement Trust annual contestable

fund. Installed real-time water quality monitoring sites in partnership with river iwi. Participating in the BiosecurityNZ golden clam governance group along with river

iwi partners.


Good practice approach to climate risk

Continued to mature our approach to identifying, managing and disclosing our climate risks. Provided a climate statement in accordance with the Aotearoa

New Zealand Climate Standard, adopting this one year earlier than required.


Delivering our customer care plan

Vulnerable customer initiatives refined and delivered with several more in development. Commenced two-year trial with Kāinga Ora on capped electricity options

to understand impact on wellbeing and test new vulnerable consumer solutions.

Increase the value of

our business to $800m

EBITDAF


EBITDAF growth

Turitea South wind farm fully operational. EBITDAF target in FY23 exceeded due to record generation (hydro and wind) and electricity yield growth. FY24 guidance

set at $835m including new generation from Kaiwera Downs Stage 1.


Retail value growth

Consolidation of the Trustpower retail business and Mercury brand completed in June; on track to deliver forecast synergies. Exceeded customer connection

targets, growth across all products (electricity, gas & telco).


Portfolio management

Entered longer term contracts with large commercial and industrial users in elevated electricity spot and futures market. Negotiated long term agreement

with Amazon to purchase 50% of the real time output from Turitea South wind farm.


Generation asset performance

Operational performance for hydro and wind assets on-track based on availability measures. Geothermal impacted by unplanned outages.

Unleash the full potential

of our people through

transforming culture


Improvement in Culture Index

Culture index steady for majority of FY23, then significant lift near year end (73% in FY22 to 78%).


Increase in diverse representation

Diversity increased across a range of measures. Diverse Emerging Leaders programme resulted in large number of secondments and promotions.


Learning opportunities taken up that lift capability

Adopted principles of a learning organisation focusing on learning everyday, everywhere, providing wide range of opportunities for formal and informal learning.

Be an adaptive & resilient

organisation, responsive

to future needs


Our people taking up opportunities through

internal movement

Approx. 46% of roles appointed internally. Adaptive ways of working embedded, resulting in significant learning opportunities and secondments for people.


Our systems are fit for purpose

Significant work underway to review, update or renew fit-for-purpose systems leading to a single technology stack. Artificial Intelligence and Machine Learning

use cases deployed to optimise operations, productivity, and improve customer experiences across the business.

Play a leading role in

New Zealand's successful

transition to a low-carbon

economy


Electricity is viewed as an enabler of the transition

to a low carbon economy

Continued working with others across the sector to develop mechanisms to support collective action (across the sector and between public/private sector participants).


Progress on engagement with new technology

Engaged with industry via the Flex Forum, actively trialling peak demand mechanisms. Also engaged with suppliers on turbine technology developments.


Support for transport decarbonisation

Hikotron and Big Street Bikers partnerships in place. Support in place for two-year transport-on-demand trial with Bay of Plenty Regional Council and Waka Kotahi

NZTA utilising electric transport.


Progress on reducing our own emissions

Committed to set emissions reduction target in line with the Science Based Targets initiative Net Zero guidance and have developed our Climate Transition Action Plan.

Create executable options

for new growth


New opportunities for growth

Significant focus on creating and developing new options, including capacity/flexibility opportunities and exploring solar.


Executable development options

Construction commenced on Kaiwera Downs 1 wind farm, on track to be fully operational by October 2023. Consent gained for additional generating unit (OEC5)

at Ngā Tamariki geothermal station, now nearing Final Investment Decision. Kaiwera Downs 2 and Kaiwaikawe wind farms also in final stages of planning before

moving to Final Investment Decision.

This shows how we are progressing towards our three-year objectives. This helps to identify, based

on how we are tracking, where we will be focusing to achieve these objectives by end of FY24.

See ‘Our Strategic Framework’ on Page 7 to see how our objectives link to each of the categories for our long-term aspirations.

PROGRESS TOwARDS OUR FY22-24 OBJECTIVES.

KE Y:


On track / likely to meet expectation


Minor delay / uncertain will meet expectation


Significant delay / unlikely to meet expectation

THRIVING TODAY

SHAPING TOMORROw

MERCURY INTEGRATED REPORT 2023
HO

w

wE CREATE VALUE

MENU

7

OUR FY22–24 STRATEGIC FRAMEwORK.

O

U

R


2

0

3

5


L

O

N

G

-

T

E

R

M


A

S

P

I

R

A

T

I

O

N

S

KIRITAKI

/

CUSTOMER

We put customers at the heart of our

business, they trust us to deliver


innovative services that provide

value and convenience.

KAITIAKITANGA

/ STEwARDSHIP

We leave our physical assets and


the natural environment thriving

for future generations.

ARUMONI

/

COMMERCIAL

We are leading in sustainable

commercial growth and renewable

generation development


in Aotearoa.

NGĀ TĀNGATA

/

OUR PEOPLE

We learn and adapt


so we all realise our full potential,

driving success and growth.

KŌTUITANGA

/

PARTNERSHIPS

We are the partner of choice;


trusted by communities,

iwi and industry to create

shared value.

TIAKINA TE ANAMATA, MĀ TE

TŪHONO I NGĀ TĀNGATA ME NGĀ

wĀHI O TE INAMATA

TAKING CARE OF TOMORROW:


CONNECTING PEOPLE AND

PLACE TODAY

OUR

PURPOSE

O

U

R


P

U

R

P

O

S

E



S

H

A

P

I

N

G


T

O

M

O

R

R

O

w

O

U

R


T

H

R

E

E

-

Y

E

A

R


O

B

J

E

C

T

I

V

E

S

Be an adaptive and

resilient organisation,

responsive to


future needs.

Play a


leading role

in New Zealand’s

successful transition to

a low-carbon economy.

Enhance our


licence to operate

through collaborative


work with our

stakeholders.

Create executable

options for new

growth.

Unleash the


full potential of our

people through

transforming

culture.

Increase the value

of our business


to $800M

EBITDAF.

T

H

R

I

V

I

N

G


T

O

D

A

Y

S

H

A

P

I

N

G


T

O

M

O

R

R

O

w

C

U

R

I

O

U

S







C

O

M

M

I

T






C

A

R

E






C

O

N

N

E

C

T

2035

Our strategic framework maps why we exist, and what we will need to

focus on over the near and longer term, to continue to grow and create

value over time.

This year we have introduced our new purpose and long-term aspirations.

These are foundational aspects of our strategic framework, providing the

longer-term direction for our organisation. With the change and growth

that our organisation has embarked on over the past few years, we

have updated these to better reflect the business that we are.

Our purpose 'Taking care of tomorrow: Connecting people and

place today' captures our why. It recognises the role we play in using

our unique assets and capabilities to enable everyday living and

connectivity in our communities, and to bring together the people

we work with to care for the natural environment and resources that

we use. Our interconnected long-term aspirations expand on our

purpose and capture what we aspire to achieve.

We are now two years into our three-year objectives and are making

good progress towards achieving these. Next financial year we will

reset our objectives for FY25-27.

MERCURY INTEGRATED REPORT 2023
HO

w

wE CREATE VALUE

MENU

8

CHAIR

& CHIEF

EXECUTIVE

U P DAT E .

KUPU A TE HEAMANA ME TE POU

wHAKAHAERE.

SNAPSHOT.

Kia tiakina te anamata e tātou, mā te tūhono i te

tāngata me te wāhi o te inamata. Together we

are taking care of tomorrow: Connecting people

and place today.

We believe Mercury can help Aotearoa

New Zealand transition to a low carbon future

through our renewable generation assets and

quality renewable generation pipeline, our scale

retail business, our partners and our people.

RESULTS REFLECT SIGNIFICANT

INVESTMENT, STRONG GENERATION

Performance over the period was secured by

significant investment to increase scale and

record generation.

Record inflows in our hydro catchment resulted

in a boost to hydro generation, at 5,209 GWh

compared with an average of 4,056 GWh.

More than 1,000 GWh was spilled over the

period to maintain lakes within consented

operating limits. We acknowledge the

devastating impact rainfall events over the period

have had on our communities, and we have

provided financial assistance and on-the-ground

help for customers most severely impacted.

This financial year we realised the benefits of

a materially larger business. Wind generation

was 1,471 GWh for the year, up from 1,269

GWh in the prior comparable period, including

a significant contribution from our Turitea wind

farm. Our scaled retail business contributed a

full year with 860k customer connections at

the end of the year, reflecting the acquisition of

the Trustpower retail business and broadband

company NOW NZ in 2022.

Results were partially offset by slightly lower

geothermal generation due to outages and

lower wholesale electricity prices. Futures

prices for CY24-26 have moderated from

PRUE FLACKS // CHAIR

VINCE HAwKSwORTH // CHIEF EXECUTIVE

earlier highs, but industry issues such as

high thermal costs and regulatory reform

still pose challenges.

Mercury’s net profit after tax was $103 million,

down $366 million on the previous year, with

FY22's results capturing the one-off net gain

made on the sale of our Tilt Renewables

shareholding. Mercury reported $841 million

EBITDAF

1

, up $260 million on the prior year’s

$581 million. Operating expenditure was $346m,

up $116m on prior year, while stay-in-business

capital expenditure was $119 million (up $51

million on the prior year). Mercury’s FY24

EBITDAF guidance has been set at $835 million.

We acknowledge it is a challenging time for

many New Zealanders, with the rising cost

of living impacting many households.

We recognise we have a role to play in

supporting customers and outline the

actions we are taking further in this report.

1

EBITDAF: Earnings before net interest expense, tax expense, depreciation and amortisation, change in the fair value of financial instruments, gain on sale and impairments.

Vince Hawksworth, Chief Executive and Prue Flacks, Chair.

SIGNIFICANT INVESTMENT

Our performance reflects major investment to

grow our renewable generation portfolio and

retail business.


STRONG GENERATION

The financial year was also characterised

by strong hydro and new wind generation.


QUALITY RENEwABLES PIPELINE

We continue to grow our renewable generation

portfolio and enhance our existing assets.


SCALE RETAIL BUSINESS

We focussed on successfully integrating

our retail business.


PARTNERING FOR CHANGE

We collaborated with others to help

shape meaningful change and support

decarbonisation in New Zealand.


BUILDING RESILIENCE

We are becoming a more adaptive organisation

as we look to thrive in a changeable world.

MERCURY INTEGRATED REPORT 2023
HO

w

wE CREATE VALUE

9

MENU

HIGH-QUALITY GENERATION

PIPELINE BUILDS ON OUR

STRENGTHS

This year saw several key milestones reached

as we continued to grow our wind generation

portfolio. Full operation of our Turitea South wind

farm commenced in July with total project costs

confirmed at $450 million (excluding capitalised

interest). We are also nearing completion of our

$115 million, 43MW Kaiwera Downs 1 wind farm,

and it remains on track to be operational by

October 2023.

Simultaneously, we are enhancing the

resilience and performance of our generation

fleet through our 20-plus year, half-billion

dollar hydro refurbishment programme.

In particular the Karāpiro hydro upgrade project,

currently valued at ~$90m, saw the first of three

units replaced with new and uprated turbines

and generators. When finished this will add

additional capacity of 17MW, additional energy

generation of 32GWh per annum and extend

the 76-year-old station’s life by another 50

years. New turbine and generator rotors were

also installed at our Kawerau geothermal station.

Looking forward, we have a quality renewable

generation pipeline in varying stages of

readiness and continue to focus on identifying

new renewable prospects. We are in the

pre-Final Investment Decision development

stages of Kaiwera Downs 2 and Kaiwaikawe

wind farms and are pleased to have gained

consent for the expansion of an additional

generating unit (OEC5) at our Ngā Tamariki

geothermal station.

We are also working on projects that meet the

capacity needs of an increasingly renewable

future - increasing the resilience of supply to

benefit New Zealand electricity users, as well

as Mercury.

We note that policy changes including

Resource Management Act reform and

the risk of regulatory intervention such as

Lake Onslow continue to create uncertainty.

This, together with global and domestic

inflationary impacts (compounded by

post-COVID supply constraints), are being

factored into future business cases.

VALUE FOR CUSTOMERS ENABLED

BY A SCALE RETAIL BUSINESS

Mercury is New Zealand’s largest electricity

retailer by customer market share following

the acquisition of the Trustpower retail

business more than a year ago. This year,

as part of our focus on successfully

‘interGREATing’, we transitioned our people

and customers to one brand (Mercury) in

June. We are now migrating customers to

a single technology stack, which is key

to unlocking benefits of the acquisition.

We remain on track to deliver the cost

synergies forecast when we announced

the Trustpower retail acquisition.

In parallel we maintained momentum within our

core retail business. We saw connection growth

across all products – electricity, gas and telco

– with a net increase of 61,000 connections.

We capped our average annual price change

to between 3% and 5% in recognition of cost

pressures many households are facing, however

we expect prices will continue to increase over

the medium term.

Turning to support of customers in need,

our joint research into hidden hardship with

Genesis is nearing completion and as part of

this we have co-designed several solutions

with community providers to collaboratively

progress. We also launched a two-year Winter

Energy Study in partnership with Kāinga Ora -

Homes and Communities to offer customers

a capped electricity bill in the winter, to

encourage whānau to use as much electricity

as they need to heat their homes.

Sales to commercial and industrial customers,

both physical and financial, lifted over the period

to 3,592 GWh. This included a significant

long-term agreement with Amazon to purchase

half the real-time output from the southern

section of our Turitea wind farm. Commercial and

industrial (physical and financial) yields increased

by $14/MWh, reflecting the strongly rising

forward curve repricing contract renewals. Longer

dated supply arrangements are becoming more

commonplace as large users look to mitigate

the impact of rising wholesale prices.

PARTNERING wITH OTHERS TO

ACHIEVE MEANINGFUL CHANGE

During the year we actively engaged in the

commissioning of an independent report by

the Boston Consulting Group (BCG) alongside

our sector peers to provide a system-wide

perspective on what might be required for a

successful and stable transition of the energy

sector. We support the report's recommendations

and would like to see this work inputting into key

workstreams like the National Energy Strategy

to help New Zealand move faster on supportive

climate and energy policy.

Building on this report, we are working with

others in the sector to establish mechanisms

that enable collective action and help set

New Zealand up for success.

$841M

o

EBITDAF

NET PROFIT

$103M

p

13.1CPS

o

FINAL DIVIDEND

DECLARED

OPERATING

EXPENDITURE

$346M

o

Blades for the turbines at Kaiwera Downs 1 wind farm unloading at Bluff - credit South Port, Chris Howell.

PERFORMANCE OVER THE PERIOD wAS

SECURED BY SIGNIFICANT INVESTMENT TO

INCREASE SCALE AND RECORD GENERATION.

MERCURY INTEGRATED REPORT 2023
HO

w

wE CREATE VALUE

10

MENU

BUILDING RESILIENCE IN A

CHANGEABLE wORLD

In an increasingly fast-paced, complex and

uncertain world, we are working to become a

more adaptive organisation, placing continuous

learning at our core. This approach enables

our people to effectively navigate the challenges

and opportunities that may arise.

Our focus on building a diverse, equitable and

inclusive workforce resulted in changes to our

leave policies to better support the needs of

our employees. We have made progress on

achieving our gender diversity targets and

have increased leadership representation of

Māori, Pacific Island, and Asian employees

during the year. However, we still have more

to do in this space, as outlined in more detail

further in this report.

Turning to safety, we are pleased to report that our

Total Recordable Injury Frequency Rate (TRIFR)

was 0.49 for FY23 (down from 0.60 the previous

year). We have launched a comprehensive health,

safety and wellbeing policy which moves us away

from a singular focus on "zero harm" towards a

more holistic understanding of the benefits that

an improved safety and wellbeing culture has

on our performance.

FULL-YEAR DIVIDEND

The Board has declared a final dividend

of 13.1 cents per share (cps). This brings the

full-year ordinary dividend to 21.8 cps, up

9% (20.0 cps FY22). We are pleased to be

able to increase the ordinary dividend for the

15th year in a row. We have further extended

our Dividend Reinvestment Plan to allow our

shareholders to support Mercury’s growth.

Our FY24 ordinary dividend guidance is

23.3 cps, representing a 7% increase on FY23

and the 16th consecutive year of ordinary

dividend increases.

CLOSING REMARKS

As we reflect on our progress two years into

our three-year objectives, we are pleased

to be largely on track to meet or in some

cases exceed these targets. We are grateful

for the commitment and dedication of

our people – they are instrumental to our

continued success.

In addition to the achievements outlined

in this update, this report marks another

significant moment for us as we reach

more than a decade since listing.

Both the world and our company have

undergone transformative change over this

period. We have adapted to new challenges,

embraced innovation, and positioned ourselves

for a future that holds immense potential.

The future will likely test us in many ways.

However, we are confident in our ability to

overcome these obstacles and deliver on our

commitments. With a clear vision, a resilient

business, and a talented team, we are well-

equipped to navigate the evolving landscape

and seize the opportunities that lie before us.

Whāia te mātauranga, hei oranga mō koutou,

hei oranga mō tātou katoa. (Seek knowledge

for the sake of your well-being, for the well-

being of all.)

VINCE HAwKSwORTH // CHIEF EXECUTIVE

PRUE FLACKS // CHAIR

Gordon Lindsay at Ōhakuri Dam.

11
wHAT MATTERS MOST

MENU

MERCURY INTEGRATED REPORT 2023

wHAT MATTERS MOST.

TE MEA NUI.

In this section we look at how we have engaged with iwi and stakeholders and

then responded to what we have learned, as well as the trends we have seen

in our key risk areas in FY23. We then cover how these risks and insights, as well

as key opportunities and other external environment insights, combine to form

a view of what's material to our business.

Leah Wyatt (right) and Austrian Federal Minister of Labour and Economy, Martin Kocher. The Minister

was welcomed to Karāpiro station by mana whenua Ngāti Koroki Kahukura, when he came to see the

installation of a new turbine by Austrian contractor Andritz Hydro.

MERCURY INTEGRATED REPORT 2023
wHAT MATTERS MOST

12

MENU

Building and maintaining relationships

with iwi and stakeholders across our

business is fundamental to our ability

to create value and contributes to the

long-term success of our business.

We need to understand what's important to

the people and groups we work with and rely

on for our business. That way we can commit

the right resource to the most relevant business

activities. Our strategy and business plans are

developed with consideration given to the

relevant priorities identified by stakeholders

and iwi/Māori (who we consider partners)

as most important to them. We also

recognise we need to maintain, and potentially

build, stakeholder relationships over time.

During the year we completed a number of

formal and informal engagements with key

groups we work with. For example, we gathered

a wealth of customer feedback through our

ongoing Voice of Customer programme and

strategic pieces of research to understand

what matters most to customers. Further, we

conducted quarterly Employee Voice surveys

as well as extensive employee engagement

to gather input for the creation of our new

purpose. We were also actively involved in

Government initiatives and programmes and

hosted an Investor Day in Palmerston North.

RESPONDING TO wHAT wE HAVE LEARNED

The feedback we have received through these

engagements has helped inform our business

activities. For example, customer research

findings helped us determine which offers

we would provide as we transitioned to a single

brand, while employee feedback helped to

shape our new leave policies.

We also continue to evolve our approach to

iwi engagement following a review of our

relationships with iwi in FY22. Some of the

actions we have taken off the back of this are

outlined in the Ngā Tāngata/People section.

We are eager to gather additional insights

from our partners and stakeholders and will

continue to define the most appropriate and

productive ways to shape our engagement

processes in FY24.

wORKING TOwARDS A SUSTAINABLE

FUTURE

We are focussed on contributing to a

collaborative and thriving cross-sector

ecosystem to help move New Zealand

towards a more sustainable future. In FY23

that has seen us engage on a range of

regulatory processes and support multiple

sector initiatives, which are outlined in the

Kōtuitanga/Partnerships section. This will

be a continued focus for us in FY24 as we

input into the National Energy Strategy and

other key activity.

OPENING OUR DOORS TO

COMMUNITY.

This year we hosted a hui at our

Auckland office for community,

industry, government, and research

representatives as part of our joint

research into hidden hardship.

This was the third and final hui as part

of this research, which sought to include

community perspectives on hidden

hardship challenges and work together

with industry to co-design solutions.

At this hui, attendees ranked potential

solutions earlier identified by the group.

These ranged from ‘easy wins’ to

longer-term, more complex ideas

to implement. We are now working

collaboratively to progress solutions.

ENGAGING wITH IwI AND STAKEHOLDERS.

TE TORO KI NGĀ IwI ME TE HUNGA wHAI PĀNGA.

Participants at the hidden hardship hui

at our Auckland office.

KEY GROUPS wE wORK wITH:

EMPLOYEES

COMMUNITY

IwI

INDUSTRY

PARTICIPANTS

SUPPLIERS

INVESTORS

PARTNERS

GOVERNMENT

& REGULATORS

CUSTOMERS

MERCURY INTEGRATED REPORT 2023
wHAT MATTERS MOST

MENU

13

KEY RISK

AREA

SAFETYCOMPLIANCE

AND REGULATORY

R EPU TAT IO NOPERATIONALFINANCIALPEOPLE

FACTORS

IMPACTING

CURRENT

TRENDS

Safety continues to be

one of the major risks that

could affect the wellbeing

of employees, contractors,

customers, and the public.

Our focus on process safety

continues as a priority at

our generating assets.

The resources in our

Process Safety team have

been increased to grow our

maturity and effectiveness.

We continue a programme

of work in FY23 to improve

our safety critical elements

at our three major hazard

facilities. We also continue

to monitor and meet the

requirements of our safety

cases, collaborating regularly

with WorkSafe.

Managing safety risk is of

primary importance to us,

particularly with large projects,

including our Turitea and

Kaiwera Downs wind farms,

hydro and geothermal

refurbishments, and

maintenance turnarounds.

Compliance with resource

consents and the Electricity

Industry Participation Code

is important for our ability

to operate.

Compliance with internal

policies is an important

tool to assess risks and

deter fraud.

We continue to consider

possible regulatory change,

which can present

significant ongoing risks

to us. During FY23, several

regulatory processes with

the potential for significant

impact to us were progressed

(e.g. Resource Management

Act reform, Aotearoa New

Zealand Climate Standards

(NZ CS), Emissions

Reduction Plan, National

Energy Strategy, NZ Battery

Project, Price discovery

under 100% renewable

electricity supply, wholesale

market review, Transmission

Pricing Methodology

implementation).

Our reputation with

investors, stakeholders and

the broader community is

one of our most significant

assets. Ensuring that our

fuel resources, plants and

systems don’t have negative

impacts on others is critical.

The importance of

stakeholder relationships

and input has continued to

grow across each of our key

stakeholder groups – our

customers, communities,

partners and owners.

The level and sophistication

of cyber-attacks continue to

increase within New Zealand

and globally. We continue to

implement a comprehensive

and multi-faceted security

uplift programme that seeks

to improve the organisation’s

security maturity across our

IT, Operational Technology

and Internet Service

Provider environments.

Operational risks have

a potentially significant

impact on our ability to

generate electricity, provide

telco and ISP services and

create revenue. The key

operational risks include:

asset management and

availability; fuel availability;

market exposure; and

business interruption events

(such as natural disasters or

global pandemics).

In managing these risks in

FY23, we focussed on

our programme of hydro

refurbishments and

geothermal turnarounds;

adding Turitea South into

our generation fleet;

integrating our retail

businesses and actively

balancing the challenges

faced by highly variable

fuel supplies (water, wind

and gas).

Key financial risks include:

climate change impacts,

appropriate insurance

cover and our ability to

execute on projects and

new growth initiatives.

Finance and related

activities have key process

controls that are subject

to regular review and

continuous improvement.

A core element of financial

sustainability is the

opportunity cost related to

our ability to identify and

execute growth options.

In FY23, this risk was

mitigated through the

completion of the southern

section of the Turitea

wind farm, along with the

successful integration of

our retail businesses.

We continue to deal with

the shifting landscape of

today’s work environment

and markets. Attracting,

developing and retaining

capable people who can

contribute to our strategic

priorities and grow with the

business remains our focus.

We also continue to focus

on the physical and mental

wellbeing of our people.

In FY23 we established a

new “One Mercury” team

culture bringing together

all our people.

Alongside this we are

implementing an Adaptive

Leadership programme,

with the aim of ensuring

our people and business

are dynamic, adaptive and

future ready.

Together these initiatives seek

to create a culture and

way-of-working that embraces

learning, challenges

mindsets, lifts capability

and celebrates curiosity.

OUR

LONG-TERM

ASPIRATIONS

A comprehensive summary of our

key risks and how we manage them

is included in the Governance at

Mercury section of the report.

This page provides a summary of

the trends we have seen this year in

our key risk areas. We take these into

account in our view of what matters

most and to shape our focus for how

we create value over time.

THE RISKS wE FACE.

MERCURY INTEGRATED REPORT 2023
wHAT MATTERS MOST

14

MENU

Our five long-term aspiration categories,

established in 2016, represent the key drivers

of material value creation for our business.

They enable us to integrate what matters

most to Mercury and our stakeholders.

They form the framework for our long-term

strategy and near-term business planning

and reflect the six capitals of the Integrated

Reporting <IR> framework.

Each year our view of what is material for us

is informed by reviewing our strategy against

a broad context including:

• the external environment

• feedback from iwi and stakeholders on

what is important to them about Mercury

• insights from our risk assessment, as well

as opportunities to explore

• other items covered in the preceding pages

We keep up to date with changes in these

areas to consider how our approach needs

to evolve to ensure we continue to create value.

These insights are combined to form a view

of what’s material to our business.

In FY23, we reviewed our long-term aspirations,

taking into account the broad context noted

earlier, and the significant changes to our

business from the recent acquisitions of Tilt

Renewables’ New Zealand operations and

the Trustpower retail business.

As part of this process, we reviewed what

is material to our business which has been

grouped under our five long-term aspiration

areas below:

MATERIALITY ASSESSMENT

<IR> CapitalsOur long-term aspiration areaswhat’s important to us and our stakeholders

Social & Relationship Kiritaki / Customer • Building trust

• Customer experience

• Customer loyalty

• Innovative services

Kōtuitanga / Partnerships• Building trust

• Creating shared value

• Forming strong, long-term relationships

with iwi, industry and our communities

Natural

Manufactured

Kaitiakitanga / Stewardship• Optimising our physical assets

• Improving the natural environment

• Resilience to climate change

Human

Intellectual

Ngā Tāngata / People• Being a learning and adaptive organisation

• People and capability development

• Health, safety and wellbeing

Financial

Arumoni / Commercial • Sustainable commercial growth

• Renewable generation development

Reporting on what’s important to us and our stakeholders forms the basis of this Integrated Report. We will continue to engage with iwi and stakeholders to understand what

matters most to them, as well as to us, to inform our views on materiality.

Ngā Tamariki geothermal station.

PULLING IT ALL TOGETHER.

15
HO

w

wE DELIVER VALUE

MENU

MERCURY INTEGRATED REPORT 2023

HOw wE DELIVER VALUE.

TE PĒwHEA O TĀ MĀTOU TUKU HIRA.

In this section, we report on material activity which has

happened over the past year to build towards reaching our

long-term aspirations. We reflect on our progress, share

successes and how we have responded to challenges

we have encountered.

Aratiatia rapids.

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

16

• Integrating Mercury and Trustpower retail

businesses

• Enabling our business to be Future Ready

• Taking a programme approach to

customer care

• Safety

• Reputation

CONNECTIONS

wITH:

KIRITAKI / CUSTOMER

+ KEY TOPICS– KEY RISK AREAS

• Shaping a collective view on decarbonisation

• Supporting customers’ decarbonisation goals

• Playing an active role in sector evolution

• Compliance & regulatory

• Reputation • Operational

CONNECTIONS

wITH:

KŌTUITANGA / PARTNERSHIPS

+ KEY TOPICS– KEY RISK AREAS

• Commitment to Net-Zero

• Enhancing our existing generation assets

• Collaborating to deliver upgrades after the

Kawerau outage

• Reputation

• Operational

CONNECTIONS

wITH:

KAITIAKITANGA / STEWARDSHIP

+ KEY TOPICS– KEY RISK AREAS

• Building an adaptive and resilient Mercury

• Fostering diversity, equity and inclusion

• Lifting health, safety and wellbeing

• Safety

• People

CONNECTIONS

wITH:

N GĀ TĀN GATA / PEOPLE

+ KEY TOPICS– KEY RISK AREAS

• Responding to the high rainfall

• Executing on new generation at pace

• Focus on maximising value of geothermal

operations

• Operational

• Financial

CONNECTIONS

wITH:

ARUMONI / COMMERCIAL

+ KEY TOPICS– KEY RISK AREAS

A

S

P

I

R

A

T

I

O

N

S

O

U

R


L

O

N

G


T

E

R

M

DELIVERING VALUE AT A GLANCE.

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

17

INTEGRATING MERCURY AND

TRUSTPOWER RETAIL BUSINESSES

Following our acquisition of the Trustpower retail

business in May 2022, we have been working at

pace to integrate our two retail businesses and

position Mercury as ‘Future Ready’. Having a

scaled retail offering enables us to add value

for our customers in terms of convenience, cost

efficiencies and delivery of innovative solutions.

We have called the first stop on our journey

to having a Future Ready retail business ‘Fit

For Now’, denoting a focus on moving quickly

and pragmatically onto a common operating

model (people, process and systems), which

is key to unlocking benefits of the acquisition.

We made significant progress over the period,

including transitioning customers, sites and

people to a single brand (Mercury). As part

of the transition to a single brand, we created

a set of customer offers combining the best

of Mercury and Trustpower’s previous offers.

We also enhanced the digital experience for

customers providing insights, flexibility and more

through a new Mercury app, website, chatbot,

customer bill and MyAccount platform. We are

in the process of ensuring all Mercury customers

have access to these benefits, which will be

achieved when we migrate customers onto our

single technology stack in the coming months.

We are now seeing the benefits from the use of

shared services, decommissioning of several

duplicate enterprise technologies and core retail

business activity. We remain on track to deliver

further signalled benefits over the next two years.

Meanwhile in December we completed

our acquisition of NOW NZ, a small

telecommunications provider based in

Hawke’s Bay, which we originally partnered with

to pilot Mercury Broadband. We see an exciting

opportunity to grow our presence in the small

to medium business telecommunications

market with the help of NOW, which continues

to operate as a standalone business.

1. KIRITAKI

/

CUSTOMER.

Fiona Smith, Gina Mackie and Davey Van Gooswilligen in Tauranga.

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

18

ENABLING OUR BUSINESS TO BE

FUTURE READY

Our vision for growth in our retail business

is centred on meeting our customers changing

needs with a range of bundled services.

'Fit For Now' is the springboard for the next

stage of our journey in which we will realise

remaining synergies and use our scale and

evolved operating model to better capitalise

on future opportunities.

TAKING A PROGRAMME APPROACH

TO CUSTOMER CARE

As one of the largest participants in New

Zealand’s electricity sector, we are mindful

of the material role we can play ensuring the

shift to a low-carbon economy is equitable

for all consumers.

We are taking action to help maintain

accessibility and affordability of electricity

supply for our customers. We take a

programme approach to customer care which

at this stage covers areas such as increasing

our knowledge and understanding, directly

supporting individuals and delivering through

partnerships. Central to our approach is a focus

on holistic solutions for those most in need of

extra support.

Our joint research into hidden hardship with

Genesis is nearing completion and as part

of this we have co-designed several solutions

with community providers to collaboratively

progress. Meanwhile, we have launched a

two-year Winter Energy Study in partnership

with Kāinga Ora, which we see as an exciting

opportunity to test and learn whether a

capped proposition might be a sustainable

future product for customers in hardship.

As part of our direct support this year we

provided financial assistance to alleviate

pressure for households affected by

Cyclones Hale and Gabrielle and the

Auckland Anniversary weekend floods.

This included crediting accounts, waiving

bills and field service fees and providing

one-off payments.

We have meanwhile expanded our support

of social electricity provider Nau Mai Rā, helping

to ensure the continuity of their product for

whānau in need. We continue to support several

ERANZ-managed programmes including a

credit scheme for those affected by the low fixed

user charge tariff phase out and a pilot with the

Ministry of Social Development to fast-track

redirections of WINZ payments towards

customers’ electricity bills, broadening

access to post-pay power. We also continue

to evolve our approach to digital inclusion, taking

learnings from programmes previously

delivered by Trustpower.

We recognise maintaining our licence to

operate is critical and so are extremely

disappointed by an incident which occurred

between 2016 and 2020 that saw us incorrectly

apply early termination fees for about 2,000

customers. In May we were fined $279,500

for breaching the Fair Trading Act in respect

of this matter. We focussed on making

things right with affected customers as

quickly as possible, including completing

remediation almost two years ago.

Malakai Fukofuka and Shazreena Shaheem.

wE ARE MINDFUL OF THE MATERIAL ROLE

wE CAN PLAY ENSURING THE SHIFT TO

A LOw CARBON ECONOMY IS EQUITABLE.

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

19

2. KŌTUITANGA

/

PARTNERSHIPS.

SHAPING A COLLECTIVE VIEW ON

DECARBONISATION

The challenge of decarbonising New Zealand's

energy system is complex and requires

widespread collaboration. It is essential we

work together to achieve the best outcomes

for the country in transitioning to a low-carbon

energy system.

During the year we worked with several of our

electricity sector peers to commission Boston

Consulting Group (BCG) to undertake an

independent study on how best to decarbonise

New Zealand’s economy.

The resulting report, 'The Future is Electric', fills

an important gap, providing a whole-of-

sector view on the best route for the electricity

sector to support Aotearoa’s transition to a

low-carbon energy system.

The report identifies there is more than enough

new renewable generation in the project pipeline

across the sector to meet the projected changes,

amplifying the importance of taking a long-

term view of policy, regulatory and market

settings that enable action.

Alongside this, we made a joint commitment

with a diverse group of energy sector

participants to help reduce emissions and build

a more sustainable future for all New Zealanders.

The ‘Powering Change’ initiative kicked off with

the launch of a new website. This initiative sets

out progress by the sector towards New Zealand’s

climate change goals and details the collective

action of members. It aims to help provide

transparency and give the public confidence

that change is occurring.

Moving forward, the sector is working on

further detailing collective action, including

developing targets to evaluate progress.

We see an opportunity for this progress

to be tracked through the Powering Change

platform, maximising our accountability.

We are currently working with the private

and public sector to understand how this

could look.

70% of our fleet is electric or plug-in hybrid.

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

20

SUPPORTING CUSTOMERS’

DECARBONISATION GOALS

During the year we continued to work with

some of our larger customers to support their

decarbonisation goals including developing

significant Power Purchase Agreements (PPA).

A PPA is an electricity supply agreement,

where a price is agreed for a period of supply.

This included agreeing a long-term PPA

with Amazon for renewable energy for their

Auckland data centres, planned for launch in

2024. Amazon will purchase half the real time

output of Turitea South (the southern section

of Mercury’s Turitea wind farm). Mercury has a

strong pipeline of renewable development

opportunities and having a customer who

is able to buy a significant amount of Turitea

South’s generation means that we remain

well positioned to continue developing

renewable projects at pace.

We also arranged to ‘sleeve’ a PPA between our

customer, Ryman Healthcare (New Zealand’s

largest retirement village operator) and

independent generator Solar Bay.

This contractual ‘sleeving’ structure means

that Mercury supplies electricity when solar

output is low and buys solar output above what

the customer needs if output is high. Mercury

manages the difference between what Ryman

needs and Solar Bay can supply. Through this

arrangement Ryman gets a reliable supply of

power to some of its villages and long-term

price certainty through agreements with both

Solar Bay and Mercury. We acknowledge that

smaller, independent generators have a role

to play in New Zealand’s renewable energy

supply and see potential to support this

through collaborative arrangements like this.

In this case, Ryman will be the new solar

farm’s only customer and having a guaranteed

single buyer means Solar Bay can proceed

with development.

Looking forward, we see agreements like these

become more common as large commercial

customers look to directly support renewable

generation development while maintaining

certainty of cost and certainty of supply.

THE CHALLENGE OF DECARBONISING NEw

ZEALAND'S ENERGY SYSTEM IS COMPLEX AND

REQUIRES wIDESPREAD COLLABORATION.

PLAYING AN ACTIVE ROLE IN

SECTOR EVOLUTION

Market and policy frameworks must evolve to

support the low-carbon transition and keep pace

with rapidly changing technology. During the year

we engaged on key regulatory and policy topics

to seek views from stakeholders and share our

own perspectives.

New Zealand’s first three emissions budgets

provide a clear pathway for reducing emissions.

While cost of living concerns have influenced

the first emissions budget (2022 – 2025),

we advocate for balancing these immediate

pressures with the need to uphold a strong

climate change response framework longer

term. This certainty enables investment and

innovation in renewable electricity generation,

which is vital considering the role of electrification

in New Zealand’s second and third emissions

budgets. New Zealand’s renewable electricity

development pipeline must proceed at pace to

meet anticipated growth in demand.

For this reason, Resource Management

reforms have been a significant area of focus

for Mercury, with Bills for the Natural and

Built Environment Act (NBEA) and Spatial

Planning Act (SPA) published over the year.

In addition to individually submitting our views

to government, we worked with peers to provide

a cohesive industry perspective. Mercury believes

the proposed system needs to go further to

enable vital infrastructure development whilst

still protecting the environment.

Maintaining a secure supply of electricity

is a key challenge as we progress towards a

more renewable future. During the year we

engaged constructively with our peers, the

system operator and regulatory bodies on

this shared challenge. This included putting

forward options for a winter peak product and

engaging on key topics that are likely to form

part of New Zealand’s gas transition plan,

reflecting our view that thermal generation

has a critical role to play in managing security

of supply over the medium term. The Ministry

for Business, Innovation and Employment's

work on electricity market measures will be a

key process in confirming the role of thermal

through the transition, and we continue to

watch this closely.

We also engaged on the Commerce

Commission’s retail service quality work

programme aimed at improving information

retailers provide about mobile and broadband

services. Mercury supports proposals that

provide pricing and service quality information

in a transparent and understandable form.

Helping to make customers’ decisions easier and

promoting service innovation and competition is

becoming increasingly important as a result of

rapid and complex technological change. This

will continue to be a focus going forward as the

Commission looks to build on this programme.

Looking forward, we believe it is crucial that

bipartisan support for the climate change

response architecture continues and we will

advocate strongly for this continuity as a key

signal for our trajectory toward 2050.

Vince Hawksworth, Mercury (centre) with Amazon leaders at Turitea.

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

21

COMMITMENT TO NET ZERO

To play a leading role in Aotearoa New Zealand’s

successful transition to a low-carbon economy,

we must demonstrate how our own actions

are consistent with this objective. This year,

we have set an emissions reduction target

in accordance with the Science Based Targets

initiative (SBTi) framework.

This globally recognised framework provides

a comprehensive and science-based approach

to guide companies in setting emission

reduction targets in line with a 1.5º maximum

global temperature increase and with the

goals of the Paris Agreement. The SBTi

recognises the energy sector will be a critical

enabler for others to achieve their emissions

reduction goals so has shortened the target

date for companies operating in this sector to

2040, 10 years earlier than most other sectors.

Our Climate Transition Action Plan outlines our

targets in more detail together with the actions

we can take as a business. Every individual,

organisation and country have a role to play

in collectively addressing climate change, and

we are confident these targets set Mercury

on the path to actively participate in climate

change mitigation.

Mercury’s targets include:

• Reducing scope 1 emissions (emissions

associated with generating electricity) by

70% per MWh* and maintained at 70%

per MWh* by 2030 and 2040 respectively.

• Reduce scope 3 emissions (emissions from

the sale of natural gas) by 42%* and 90%*

by 2030 and 2040 respectively.

Waikato river.

3. KAITIAKITANGA

/

S T E WA R D S H I P.

* from a 2022 base year.

BY 2030

p

70%

*

BY 2030

p

42%

*

BY 2040

p

70%

*

BY 2040

p

90%

*

SCOPE 1

SCOPE 3

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

22

Agreeing a target and actions sends a clear

message to our people, customers, suppliers,

investors, and other stakeholders on our future

trajectory to mitigate impact. It supports us

to explore innovative technologies and practices,

such as carbon reinjection, that can also lead

to operational efficiencies and enhanced

competitiveness. It helps us deepen relationships

with stakeholders, as we seek to collaborate in

a meaningful way on this shared challenge.

Details of the material risks we will likely navigate

are captured in the Climate Transition Action Plan.

ENHANCING OUR EXISTING

GENERATION ASSETS

During the year we continued to execute on our

scheduled hydro refurbishment programme to

maintain and enhance the generation capacity

and resilience of our hydro stations. This builds

on nearly a decade of ongoing significant

investment and will likely continue over the

next 15 years.

Our investment programme at Karāpiro,

currently valued at ~$90m, continues to

progress with significant planning and enabling

works. This year we achieved the successful

replacement of the first of three generating

units (generators, turbines, and governors).

Works were delivered by our contractor partner

Andritz Hydro, a global Austrian company.

The project will enable the Karāpiro station

to generate renewable power for the next 50

years and enhances value by providing an

additional 5MW per unit, increasing capacity

from 96MW to 112.5MW (32GWh/year).

On-site works for the second unit to be

replaced are now underway, with the full

project scheduled for completion April 2025.

Lead-in work has started for the next two

stations to be rehabilitated. An eight-year

project starting in 2027 at Maraetai I will

see all turbines, generators and governors

replaced at a cost of around $140 million.

The upgrades will add around 32 GWh

annual output to the station (an additional

5-8MW per generating unit).

In addition, planning is underway for Ātiamuri,

with works scheduled for FY2028 to upgrade

all turbines, generators, and governors at a

cost of around $90million. These upgrades

will add 1-4MW per unit.

Like our new generation builds, this very

large and complex programme of work is

further challenged by constraints globally

in manufacture of equipment, supplier

availability and inflation and this is being

factored into our planning.

OUR HYDRO REFURBISHMENT

PROGRAMME BUILDS ON NEARLY A

DECADE OF ONGOING SIGNIFICANT

INVESTMENT.

COLLABORATING TO DELIVER

UPGRADES AFTER THE KAWERAU

OUTAGE

Our asset management team is committed

to ongoing comprehensive analysis to build

our understanding of risks and increase the

resilience of our assets.

Following major damage to the 106MW

Kawerau geothermal power station turbine

in 2021, a $36m project has been carried out

to replace the generator and turbine steam

path. We also took the opportunity to replace

the main control system, major pumping

systems, large diameter steam piping and a

range of ancillary equipment. This large piece

of work involved collaboration across many

teams from geothermal and hydro operations

to accommodate the resource required. This

programme of work will ensure that the station

is ready to run efficiently and safely for the next

decade and beyond.

Karāpiro dam: 39-tonne head gate lift as part of refurbishment project.

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

23

BUILDING AN ADAPTIVE AND

RESILIENT MERCURY

The world is increasingly complex and the

challenges materially different. Climate change,

digital transformation and artificial intelligence,

cybersecurity threats, attracting and retaining

the best people cannot be sufficiently

addressed with simple solutions.

Our business must evolve to enable us to

thrive in these less predictable environments,

so we are moving to more adaptive ways of

thinking and working. We have identified six

key dimensions to help us focus our efforts,

outlined in the infographic on this page.

During the year we focussed on lifting our

people’s capability and experience in adaptive

practice. We established a leadership programme

aimed at developing those in formal and informal

leadership roles to grow their leadership skills

and we built out our coaching capabilities.

Both initiatives equip our people to play an

active role shifting Mercury towards a more

adaptive business.

While we lift people's capabilities in adaptive

practices, we are also introducing these ways

of working into some of the complex problems

we are working on.

The integration of Mercury and Trustpower

retail businesses is an example of where this

has worked well. We have established an adaptive

delivery model, with the project primarily building

on the skills and capability of our own people

rather than external providers.

Another example is in evolving our retail

business planning approach, bringing

multiple teams together to collaborate

towards a shared understanding of business

goals through ‘big room planning’ sessions.

Through this, we better understand

dependencies on other teams, identify

risks and uncover impediments early.

Transitioning to an adaptive organisation

requires a thoughtful and deliberate approach

to people as well as the processes and

structures that hinder or help us deliver.

At times it has been challenging shifting

deeply held beliefs, and we recognise this

will be a continuous journey. In the future

we will be better placed to achieve our

ambitions and leverage the opportunities

that come with inevitable disruption.

Participants of our adaptive leadership programme - Dean Han,

together with Kelly Melia and Angela Kennerley.

4. NGĀ TĀNGATA

/

PEOPLE.

ALIGNED TO

A SHARED PURPOSE

& JOINT OUTCOMES

PEOPLE &

CUSTOMER FOCUSSED

SET UP TO COLLABORATE

& DELIVER THE HIGHEST VALUE

EMBRACES

TRANSPARENCY

AUTONOMY

& EMPOWERMENT

GROWTH MINDSET

& LEARNING CULTURE

ADAPTIVE

ORGANISATION

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

24

FOSTERING DIVERSITY, EQUITY,

AND INCLUSION

Having a team of individuals with different

backgrounds, views, experience, and capability

working together makes us stronger and better

as an organisation. During this financial year

we undertook several initiatives to continue

our journey towards fostering greater diversity,

equity and inclusion. You can read our Diversity,

Equity & Inclusion Policy on our website.

Our Diverse Emerging Leaders programme

helps emerging leaders grow their leadership

capability and sense of belonging by

embracing their cultural identity and the

uniqueness they bring. We built on the

success of last year's pilot and doubled the

number of participants in this year’s cohort who

over seven months completed the programme

where they developed and built capabilities.

They explored topics such as resilience,

authenticity, conflict management, courageous

conversations, career development strategies,

and managing the imposter phenomenon.

We are starting to see the impact of this

programme now. The second cohort’s

programme came to an end in May 2023

and 32% of that group have moved into

more senior roles at Mercury since they

started the programme in November

2022. 86% of the pilot cohort have also

experienced internal movement since

their programme started in August 2021.

Given the impact and success of the

programme, a third cohort will start towards

the end of this calendar year. The impacts of

this programme not only directly contribute

to our Diversity, Equity and Inclusion targets

but more broadly we are beginning to see an

increase in our cultural maturity, competence

and confidence - leading to inclusivity and

greater sense of belonging for all our people.

To increase Mercury’s cultural capability, our

understanding of Te Tiriti o Waitangi (Treaty

of Waitangi) and enable our staff to feel more

confident in their knowledge to participate in

te ao Māori, we launched an online self-driven

e-learning programme. This is focussed on

te ao Māori, Aotearoa New Zealand history and

te reo Māori me ōna tikanga. It includes learning

modules covering pronunciation, greetings

and introductions, general etiquette, history of

Aotearoa and more. About 150 Mercury people

including Board, management and operational

levels are enrolled on the programme which will

span approximately 12 months. At completion,

we are hoping our kaimahi will have more

knowledge, feel empowered to grow their use

of te reo Māori and become more confident

to engage with te ao Māori.

During the year we also boosted the

inclusiveness of our leave policies to better

reflect and allow for the various needs and

circumstances of our people. This includes

a significant update to our Parental Leave

offering, the introduction of Gender Affirmation

Leave and an update to our Bereavement

Leave policy to remove any prescriptive

reference to relationships.

LIFTING HEALTH, SAFETY

AND WELLBEING

This year we have lifted the maturity of our

approach to safety, shifting towards a more

holistic and comprehensive view.

Our new Health, Safety & Wellbeing Policy

was launched in April 2023 to reflect this

way of thinking.

While preventing harm still underpins our

culture, in order to continue to improve in

all areas of health, safety and wellbeing it is

important we do not create too narrow a focus

on zero-harm. Our new policy aims to shift

our culture to one where we can learn from

the things that haven’t gone right and are

encouraged to share those learnings widely.

Our refreshed policy reinforces the Mercury

Attitude of "Care” for safety and seeks to go

beyond being a compliance document – by the

nature of its design and language, it is intended

to be a living document which is accessible

and relevant to all our people regardless of role

or physical location. This policy is bought to

life for our employees through safety material

toolkits to support safety conversations, utilising

'Learning Teams' as an inclusive method to

understand events and developing robust

safety leadership routines.

Longer term we anticipate that in addition to

driving better safety outcomes this enhanced

approach will help lift productivity, improve

employee engagement and contribute to a

more sustainable way of supporting our people.

" The Diverse Emerging Leaders

programme allowed me to realise that

I do have a voice, I do deserve more

and most importantly that I was already

doing that, I just needed to give myself

permission to embrace it."


Shaun A Wilson

Team Leader, Sales Success

OUR PROGRAMME HELPS

EMERGING LEADERS GROw

THEIR LEADERSHIP CAPABILITY

BY EMBRACING THEIR

CULTURAL IDENTITY AND THE

UNIQUENESS THEY BRING.

OUR SKILLS PLEDGE

While we remain supportive of the intent behind the Aotearoa Skills Pledge

Mercury has elected to stop disclosing training data as we have broadened our

approach to learning beyond formal training hours to include learning such as

on-the-job and peer-to-peer learning, secondments, communities of practice,

adaptive learning and coaching or mentoring.

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

25

A third consecutive La Ninā weather system

(wetter North Island, drier South Island) drove

persistent North Island rainfall this year, and

Lake Taupō and the catchment had the highest

ever in-flows on record. Full year generation

from the Waikato Hydro System was above

5,200 GWh (compared with about 4,000 GWh

in an average year). The high inflows required

us to spill more than 1,000 GWh (divert water

past the power stations) to help manage lake

levels and protect our assets.

The Taupō Gates and the eight dams that

make up the Waikato Hydro System are a

critical tool to help manage the impact of

floods and droughts in the Waikato catchment

from Taupō to Port Waikato. During the

extreme rainfall in January-February 2023 the

lake level went above our Maximum Control

Level by 2.8cm for eight days. The effects of

extreme weather events are anticipated by

our resource consents, with the probability

of exceeding Maximum Control Level at 1

in 5 years. Prior to the exceedance this year,

the last time the lake level exceeded the

Maximum Control Level was in 2011.

EXECUTING ON NEW GENERATION

AT PACE

Developing more renewable generation remains

a key growth area for Mercury and is one of

the most meaningful ways in which we can

contribute to New Zealand’s decarbonisation

goals. We are well positioned to develop new

generation at the pace required and have

flexibility to respond to changing market

conditions thanks to our diverse suite of options

including onshore wind, geothermal, capacity

and flexibility projects.

wAIKATO HYDRO

GENERATION

5,209Gwh

5. ARUMONI

/

COMMERCIAL.

RESPONDING TO THE

HIGH RAINFALL

Taupō Gates looking south.

wE HAVE A PREMIUM DEVELOPMENT

PIPELINE AT VARYING STAGES

OF READINESS.

We have a premium development pipeline at

varying stages of readiness, and at over 9,000

GWh this is equal in size to our existing fleet

of hydro, geothermal and wind generation.

We remain confident we have the resource

and capability to develop this considerable

pipeline ourselves but also continue to look

for opportunities to accelerate development,

including through partnerships.

MERCURY INTEGRATED REPORT 2023
HO

w

wE DELIVER VALUE

MENU

26

We celebrated the final construction stage of

the $450m Turitea wind farm at a ceremony

attended by the Minister of Energy Dr Megan

Woods, mana whenua Rangitāne o Manawatū,

local government, delivery partners and

community. This considerable project adds

2% additional renewable energy to the national

grid, and over 2,500 people worked to bring

this new electricity to New Zealand over the

course of the project.

We also started construction at our $115m

Kaiwera Downs 1 wind farm which is proceeding

to plan. Once complete in October 2023, this

wind farm will have annualised generation of

147 GWh. We have staged the construction

of this wind farm so that the initial 10 turbines

are constructed now, with the ability to develop

the larger second phase when market

conditions allow.

We continue to develop other projects in our

pipeline. Kaiwera Downs 2 and Kaiwaikawe

wind farms are now at the final stages of

planning, including monitoring post-COVID

market and supply chain pressures as we

move towards final investment decisions.

Looking forward, we are actively developing

further sites, including monitoring wind

at sites where we have options, and actively

engaging with landowners. We are also

working towards consenting further projects,

providing further flexibility to adapt to changing

market conditions.

We are developing a project to add a

fifth generating unit to the Ngā Tamariki

geothermal station, adding ~47MW capacity

to the station. With resource consent now

approved for this additional unit, we are currently

progressing the design and procurement prior

to Final Investment Decision. The project to

add this fifth unit comes after nearly ten

years of operating the current four units,

developing a deep understanding of overall

sustainable development capacity to be

certain that adding the fifth unit will not be

detrimental to the geothermal reservoir’s

ongoing health. The project design will also

consider the re-injection of non-condensable

gases into the reservoir.

FOCUS ON MAXIMISING VALUE OF

GEOTHERMAL OPERATIONS

Geothermal generation is a key supplier of

baseload to the national energy mix. Our

geothermal operations faced a challenging year

with several unplanned outages across the fleet.

A dedicated Optimisation Team is working

to maximise the value of our geothermal

stations, with initiatives underway to improve

performance of the plant machinery and

processes and improve output. This includes

control system optimisation at the Ngā

Tamariki geothermal station, improving

management of non-condensable gas

accumulation in OEC generating units,

reducing inlet pressure on one of the units

at Mōkai, and removal of a restriction in the

reinjection system at Ngā Awa Pūrua.

We have begun our most ambitious drilling

campaign in over a decade, with eight “make

up” wells (to maintain generating capacity) and

one well repair in a campaign that is scheduled

for completion late 2024. The campaign

consists of three wells at Kawerau, two at Ngā

Tamariki, and a further three at Rotokawa

geothermal power stations, with a total

investment of $135m.

Rotokawa geothermal field.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

27

This section explains how our integrated thinking, our decisions and our

actions play out in financial results. We provide commentary on our financial

performance for the year to the end of June 2023 compared with prior years,

as well as our auditor’s report and our financial statements. Segment reporting

has been set out so that you can clearly see the financial dynamics of our

generation operations as distinct from our retail operations.

Whirinaki River.

LOOKING AT THE NUMBERS.

TE TITIRO KI NGĀ TATAU.

28 FINANCIAL COMMENTARY

29 FINANCIAL TRACK RECORD

30 INDEPENDENT AUDITOR'S REPORT

GROUP FINANCIAL STATEMENTS

33 CONSOLIDATED INCOME STATEMENT

33 CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

34 CONSOLIDATED BALANCE SHEET

35 CONSOLIDATED STATEMENT OF CHANGES IN EQUITY

35 CONSOLIDATED STATEMENT OF CASH FLOWS

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

36 GENERAL INFORMATION & SIGNIFICANT MATTERS

A. FINANCIAL PERFORMANCE

38 A1. REVENUE

38 A2. SEGMENT REPORTING

41 A3. TAXATION

B. OPERATING ASSETS

42 B1. PROPERTY, PLANT & EQUIPMENT

44 B2. INTANGIBLE ASSETS

C. WORKING CAPITAL AND PROVISIONS

45 C1. RECEIVABLES

46 C2. INVENTORIES

46 C3. PROVISIONS

D. FUNDING

47 D1. SHARE CAPITAL & DISTRIBUTIONS

47 D2. BORROWINGS

49 D3. COMMITMENTS & CONTINGENCIES

50 D4. CASH & CASH EQUIVALENTS

E. GROUP STRUCTURE

50 E1. ASSOCIATES & JOINT ARRANGEMENTS

51 E2. RELATED PARTY TRANSACTIONS

F. RISK

51 F1. DERIVATIVE FINANCIAL INSTRUMENTS

55 F2. FINANCIAL RISK MANAGEMENT

G. OTHER

57 G1. SHARE BASED PAYMENTS

57 G2. SUBSEQUENT EVENTS & OTHER MATTERS

CONTENTS.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

28

MENU

FINANCIAL COMMENTARY.

Mercury’s FY2023 EBITDAF is $841 million, up more than 40%

on the prior year $581 million. This record high result reflects

the ongoing benefits from the Tilt and Trustpower acquisitions

made during FY2022, a full year of operations for the north

section of Turitea windfarm and commissioning of the south

section, as well as above average hydro generation in a year

of extremely high inflows.

RETAIL INTEGRATION

One team, one brand, one purpose. Significant progress was

made during FY23 “interGREATing” our Trustpower and Mercury

staff, customers, brands, processes, and systems. All Trustpower

customers rebranded to Mercury in mid-June, with a refreshed

Gentrack stack, loyalty programme, new bill, website, and app.

The successful transition was reflected in the strong uptake of the

new Mercury customer app by over 60k customers and continued

connection growth, which lifted to 860k by the end of the year.

OPERATIONAL ACTIVITY

At 5,209GWh, Mercury’s hydro generation was up by almost

1100GWh compared to the group’s long-term average, and

up over 1500GWh compared to the dry prior year. Lake Taupō

started the financial year at 70% storage, ~120GWh above

average, and storage remained above average across the entire

year as extremely wet conditions persisted with 100th percentile

inflows to the Taupō/Waikato catchment. Management of the

lake level also resulted in ~1100GWh of spill during the year, and

the lake ended the year with storage above average by ~80GWh.

Geothermal generation was down 210GWh on the prior year due

to the planned outage at the Kawerau geothermal station to

replace the steam path and generator damaged in the June

2021 outage, as well as various planned and unplanned outages

at other stations.

Wind generation increased 202GWh despite below average

wind conditions with the addition of new generation from the

south section of the Turitea windfarm following completion of

construction in early 2023.

The above average hydro generation meant that net position

increased from neutral last year to 560GWh long for FY2023.

Average spot prices were $60/MWh lower although the impact

on the portfolio was mitigated by hedging through short-dated

sales which achieved prices well above spot outcomes.

In our customer business, we again saw lifts in customer yields

across all customer segments. Yields in the commercial and

industrial segment (physical and financial) increased by $14/

MWh over the period. Average mass market yields increased

$7/MWh. Mass market customer numbers increased across all

products (electricity, gas, telco and mobile) with customers with

2 or more products up 14,000 to 190,000 continuing Mercury’s

transition to a truly multi-product utility provider.

OPERATING EARNINGS (EBITDAF)

Mercury’s EBITDAF of $841 million rose $260 million from the

previous year, as explained below.

Mercury’s trading margin of $1,163 million was up $418 million

from the previous year’s trading margin, driven by above average

hydro generation, new wind generation from Turitea and increased

scale of the retail business following the Trustpower acquisition in

the prior year.

Operating costs increased by $116 million on the prior year,

primarily due to an increase in operational activity resulting

from the Trustpower retail acquisition, including spend on

the Retail Integration as noted above.

PROFIT FOR THE YEAR

Mercury’s net profit after tax of $103 million was down

significantly from the prior year, primarily due to the $367 million

non-taxable gain on disposal of shares in Tilt recognised in

FY2022. In addition to the $260 million increase in EBITDAF

described above, reductions to profit of note were fair

value movements ($126 million), impairments ($12 million),

revaluation loss on generation assets ($41 million),

depreciation ($51 million), and interest costs ($39 million).

CAPITAL STRUCTURE AND DIVIDENDS

Net debt was $1,907 million as at 30 June 2023, a decrease

of $54 million from the prior year. Mercury’s USD 30m tranche

of USPP Notes was repaid in December 2022 and a $25m

wholesale bond was repaid in March 2023. $150m of senior

retail green bonds was issued in June 2023 and tracked

in accordance with Mercury’s Green Financing Framework.

Treasury stock of $28 million was re-issued through FY2023

in relation to Mercury’s dividend reinvestment plan (DRP).

The company’s gearing level is calculated at 2.0 times debt/

EBITDAF after adjusting for Mercury’s subordinated debt.

Gearing is down on the previous year due to the increase in

EBITDFAF and slight decrease in debt. The gearing ratio remains

within Mercury’s target range of 2.0x to 3.0x debt/EBITDAF

supporting our S&P credit rating of BBB+. At year end, Mercury

held 13 million shares as treasury stock, has available debt

headroom of $595 million and held cash and cash equivalents

of $75 million. This continues to provide balance sheet flexibility

for growth over and above current commitments.

A fully imputed final ordinary dividend of 13.1 cents per share

(cps) has been declared. This brings the full-year ordinary dividend

to 21.8 cps, up 9% on prior year (from 20.0 cents per share),

marking our fifteenth consecutive year of ordinary dividend

growth. Under the terms of Mercury’s DRP, dated 22 February

2022, shareholders may elect to receive the dividend either wholly

or partially by receiving Mercury ordinary shares in lieu of cash.

The Board has determined that shares issued under the DRP in

respect of the 2023 final ordinary dividend will be issued at a

discount of 2.0% to the daily volume weighted average share

price calculated in accordance with the DRP terms and conditions.

CASH FLOwS FROM OPERATING ACTIVITIES

Net cash provided by operating activities represents

cashflows from the sale of electricity, gas, broadband, and

telecommunication services, along with the costs associated

with their sale and the cash costs of interest and taxes. Cash

flows from operating activities were up $226 million this year,

largely due to increased EBITDAF.

BALANCE SHEET

Total assets of the company reduced by $212 million, due mainly

to changes in the fair value of financial instruments assets.

Stay in business capital expenditure (CAPEX) increased by $51

million on the prior year at $119 million, with major work including

Retail Integration, the Kawerau turbine and steam path

replacement, the first unit of the Karāpiro rehabilitation, and

preparation for the drilling campaign. Leaving aside the Tilt and

Trustpower retail acquisitions made in FY2022, growth CAPEX was

up $92 million on the prior year to $177 million with completion

of the Turitea windfarm and beginning of the construction of the

first stage of Kaiwera Downs windfarm which is expected to be

operational in the first half of FY2024.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

29

MENU

FINANCIAL PERFORMANCE TRENDS

For the year ended 30 June ($ million)

2023202220212020

1

2019

2

Income statement

Trading margin

1,163745616652667

EBITDAF

841581463490506

Net profit for the year

103469141209357

Balance sheet

Total shareholders’ equity

4,8494,7524,1863,7333,537

Total assets

9,4199,6317,9786,8776,484

Total liabilities

4,5704,8793,7923,1442,947

Cash flow

Operating cash flow

578352338352361

Investing cash flow

(271)(534)(296)(194)63

Financing cash flow

(297)8442(173)(335)

Capital expenditure

Total capital expenditure

2961,420250275115

Growth capital expenditure

1771,35219416526

Stay-in-business capital expenditure

119685611089

Other financial measures

Free cash flow

459284282242272

Ordinary and special declared dividends

302275231215211

Ordinary dividends per share (cents)

21.820.017.015.815.5

Earnings per share

7.4 434.3210.3615.3626.23

Net debt

1,9071,9611,3291,1491,096

Gearing (net debt/net debt + equity, %)

28.229.224.123.523.7

Debt/EBITDAF (x)

3

2.02.92.52.21.9

FINANCIAL TRACK RECORD.

For the year ended 30 June ($ million)

2023202220212020

1

2019

2

Operational measures

Total recordable injury frequency rate (TRIFR)

4

0.490.600.641.260.72

Sales to customers (FPVV, GWh)

6,7495,1054,5224,3614,500

Electricity customers (‘000)

590 574328348373

Electricity generation (GWh)

9,038 7,4996,2056,3316,703

1

Restated for change in accounting policy in relation to configuration and customisation costs incurred in implementing SaaS arrangements.

2

Financial results for the period 30 June 2019 include Metrix which the Group sold on 1 March 2019.

3

Restated and adjusted for S&P treatment.

4

Per 200,000 hours; includes on-site employees and contractors.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

30

MENU

OPINION

We have audited the consolidated financial statements of the

Group on pages 33 to 57, that comprise the consolidated balance

sheet as at 30 June 2023, the consolidated income statement,

consolidated statement of comprehensive income, consolidated

statement of changes in equity and consolidated cash flow

statement for the year then ended on that date, and notes to the

consolidated financial statements that include accounting policies

and other explanatory information.

In our opinion, the consolidated financial statements of the Group

present fairly, in all material respects, the consolidated financial

position of the Group as at 30 June 2023, and its consolidated

financial performance and cash flows for the year then ended

in accordance with New Zealand Equivalents to International

Financial Reporting Standards and International Financial

Reporting Standards.


BASIS FOR OPINION

We conducted our audit in accordance with the Auditor-General’s

Auditing Standards, which incorporate the Professional and

Ethical Standards and the International Standards on Auditing

(New Zealand) issued by the New Zealand Auditing and

Assurance Standards Board. Our responsibilities under those

standards are further described in the

Auditor’s responsibilities

for the audit of the consolidated financial statements

section of

our report. We are independent of the Group in accordance with

the Auditor-General’s Auditing Standards, which incorporate

Professional and Ethical Standard 1:

International Code of Ethics

for Assurance Practitioners

issued by the New Zealand Auditing

and Assurance Standards Board, and we have fulfilled our other

ethical responsibilities in accordance with these requirements.

We believe that the audit evidence we have obtained is sufficient

and appropriate to provide a basis for our opinion.

In addition to the audit, we have carried out engagements in the

areas of a review of the Group’s consolidated financial statements

for the six months ended 31 December 2022, agreed upon

procedures, pre-assurance reviews and other limited assurance

engagements, which are compatible with independence

requirements. Partners and employees of our firm may deal with

the Group on normal terms within the ordinary course of trading

activities of the business of the Group. Other than the audit and

the engagements described, we have no relationship with or

interests in the Group or any of its subsidiaries.

KEY AUDIT MATTERS

Key audit matters are those matters that, in our professional

judgement, were of most significance in our audit of the

consolidated financial statements of the current period.

These matters were addressed in the context of our audit

TO THE SHAREHOLDERS OF MERCURY NZ LIMITED

REPORT ON THE AUDIT OF THE CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEAR

ENDED 30 JUNE 2023

The Auditor-General is the auditor of Mercury NZ Limited (‘the Company’). The Auditor-General has appointed me, Lloyd Bunyan,

using the staff and resources of Ernst & Young, to carry out the audit of the consolidated financial statements of the Group

(comprising the Company, its subsidiaries, and other controlled entities) on his behalf.

of the consolidated financial statements as a whole, and in

forming our opinion thereon, and we do not provide a separate

opinion on these matters.

We have fulfilled the responsibilities described in the

Auditor’s

responsibilities for the audit of the consolidated financial

statements

section of the audit report, including in relation to

these matters. Accordingly, our audit included the performance

of procedures designed to respond to our assessment of the

risks of material misstatement of the consolidated financial

statements. The results of our audit procedures, including the

procedures performed to address the matters below, provide the

basis for our audit opinion on the accompanying consolidated

financial statements.

INDEPENDENT AUDITOR’S REPORT.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

31

MENU

why significantHow our audit addressed the key audit matter


Generation assets were revalued to $7,773 million at 30 June

2023 as set out in note B1 of the consolidated financial

statements. The generation assets represent approximately

83% of the Group’s total assets.

The Group engages an external valuation specialist to estimate

the fair value of generation assets using a discounted cash

flow model. The most significant inputs used to estimate

the fair value of the generation assets include the forecast

wholesale electricity price path, generation volumes and the

discount rate as described in note B1 of the consolidated

financial statements.

The forecast wholesale electricity price path and discount rate

assumptions are estimated by the Group’s external valuation

specialist (“valuer”). Forecast generation volumes are based

on the Group’s own forecast average generation volumes and

are assessed by the valuer.

We consider the valuation of generation assets to be a key

audit matter given the significance of the assets to the

Group and because the inputs to the valuation models

are inherently subjective.


In obtaining sufficient appropriate audit evidence we:

• met with the valuer to understand the valuation methods

adopted and the significant inputs used by the valuer to

estimate the fair value of the generation assets as at

30 June 2023.

• compared forecast generation volumes to historical

generation volumes.

• involved our own valuation specialists to:

- consider the process used to determine the forecast

wholesale electricity price path estimated by the valuer;

and

- assess the appropriateness of the discount rate.

• assessed the competence, capabilities and objectivity of the

valuer;

• assessed whether the valuation adjustments made to the

recorded asset values were in accordance with the Group’s

accounting policy; and

• assessed the adequacy of the related financial statement

disclosures in note B1.

As a result of the above procedures, we considered the

valuation techniques and key assumptions reasonable in

forming our opinion on the financial statements as a whole.

why significantHow our audit addressed the key audit matter


The Group’s activities expose it to certain risks which

are managed using derivative financial instruments.

At 30 June 2023, the fair value of derivative assets total

$444 million and derivative liabilities total $449 million as

set out in note F1 of the consolidated financial statements.

These balances include certain electricity price derivatives

for which the valuation inputs are not readily observable

in active primary or secondary markets and require

the use of more complex valuation assumptions including

the Group’s internal forecast wholesale electricity price

path. Derivatives for which the valuation inputs are not

readily observable are referred to as ‘level 3’ derivatives

as disclosed in note F1 of the consolidated financial statements.

We consider the valuation of level 3 derivatives to be a key

audit matter as the inputs to the valuation models are

inherently subjective.


In obtaining sufficient appropriate audit evidence we:

• involved our valuation specialists to assess the models used

to estimate the fair value of the level 3 derivatives as at

30 June 2023 on a sample basis. Our valuation specialists:

- evaluated the appropriateness of the valuation

methodologies; and

- assessed the Group’s internal forecast wholesale electricity

price path by comparing it to other price path estimates

obtained in performing the generation asset valuation

procedures detailed above.

• together with our internal valuation specialists, challenged

key assumptions and inputs.

• agreed key contract terms, including contract start and

maturity dates and electricity strike prices, to the relevant

contract on a sample basis.

• assessed the adequacy of the related financial statement

disclosures as described in notes F1 and F2.

As a result of the above procedures, we considered the

valuation techniques and key assumptions reasonable in

forming our opinion on the financial statements as a whole.

VALUATION OF GENERATION ASSETSVALUATION OF LEVEL 3 DERIVATIVE FINANCIAL INSTRUMENTS

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

32

MENU

OTHER INFORMATION

The Directors are responsible on behalf of the Group for

the other information. The other information comprises the

information included on pages 1 to 29 and 58 to 121 but does

not include the consolidated financial statements and our

auditor’s report thereon.

Our opinion on the consolidated financial statements does

not cover the other information and we do not express any

form of audit opinion or assurance conclusion thereon.

In connection with our audit of the consolidated financial

statements, our responsibility is to read the other information and,

in doing so, consider whether the other information is materially

inconsistent with the consolidated financial statements, or our

knowledge obtained in the audit or otherwise appears to be

materially misstated. If, based on the work we have performed,

we conclude that there is a material misstatement of this other

information, we are required to report that fact. We have nothing

to report in this regard.

DIRECTORS’ RESPONSIBILITY FOR THE

CONSOLIDATED FINANCIAL STATEMENTS

The Directors are responsible on behalf of the Group for the

preparation and fair presentation of the consolidated financial

statements in accordance with New Zealand Equivalents to

International Financial Reporting Standards and International

Financial Reporting Standards, and for such internal control as

the Directors determine is necessary to enable the preparation

of consolidated financial statements that are free from material

misstatement, whether due to fraud or error.

In preparing the consolidated financial statements, the Directors

are responsible on behalf of the Group for assessing the Group’s

ability to continue as a going concern, disclosing, as applicable,

matters related to going concern and using the going concern

basis of accounting unless the Directors either intend to liquidate

the Group or to cease operations, or have no realistic alternative

but to do so.

The Directors’ responsibilities arise from the Financial Markets

Conduct Act 2013.

AUDITOR’S RESPONSIBILITY FOR THE AUDIT OF THE

CONSOLIDATED FINANCIAL STATEMENTS

Our objectives are to obtain reasonable assurance about

whether the consolidated financial statements as a whole are

free from material misstatement, whether due to fraud or error,

and to issue an auditor’s report that includes our opinion.

Reasonable assurance is a high level of assurance, but is not

a guarantee that an audit conducted in accordance with the

Auditor-General’s Auditing Standards will always detect a

material misstatement when it exists. Misstatements can arise

from fraud or error and are considered material if, individually or

in the aggregate, they could reasonably be expected to influence

the economic decisions of shareholders taken on the basis of

these consolidated financial statements.

As part of an audit in accordance with the Auditor-General’s

Auditing Standards, we exercise professional judgement and

maintain professional scepticism throughout the audit. We also:

• Identify and assess the risks of material misstatement of the

consolidated financial statements, whether due to fraud or

error, design and perform audit procedures responsive to

those risks, and obtain audit evidence that is sufficient and

appropriate to provide a basis for our opinion. The risk of not

detecting a material misstatement resulting from fraud is

higher than for one resulting from error, as fraud may involve

collusion, forgery, intentional omissions, misrepresentations,

or the override of internal control.

• Obtain an understanding of internal control relevant to the

audit in order to design audit procedures that are appropriate

in the circumstances, but not for the purpose of expressing

an opinion on the effectiveness of the Group’s internal control.

• Evaluate the appropriateness of accounting policies used and

the reasonableness of accounting estimates and related

disclosures made by management.

LLOYD BUNYAN // ERNST & YOUNG

ON BEHALF OF THE AUDITOR-GENERAL

AUCKLAND, NEW ZEALAND

21 AUGUST 2023

• Conclude on the appropriateness of the use of the going

concern basis of accounting by the directors and, based on the

audit evidence obtained, whether a material uncertainty exists

related to events or conditions that may cast significant doubt

on the Group’s ability to continue as a going concern. If we

conclude that a material uncertainty exists, we are required to

draw attention in our auditor’s report to the related disclosures

in the consolidated financial statements or, if such disclosures

are inadequate, to modify our opinion. Our conclusions are

based on the audit evidence obtained up to the date of our

auditor’s report. However, future events or conditions may

cause the Group to cease to continue as a going concern.

• Evaluate the overall presentation, structure, and content

of the consolidated financial statements, including the

disclosures, and whether the consolidated financial

statements represent the underlying transactions

and events in a manner that achieves fair presentation.

• Obtain sufficient appropriate audit evidence regarding the

financial information of the entities or business activities

within the Group to express an opinion on the consolidated

financial statements. We are responsible for the direction,

supervision, and performance of the group audit. We remain

solely responsible for our audit opinion.

We communicate with the Directors regarding, among other

matters, the planned scope and timing of the audit and

significant audit findings, including any significant deficiencies

in internal control that we identify during our audit.

We also provide the Directors with a statement that we have

complied with relevant ethical requirements regarding

independence, and to communicate with them all relationships

and other matters that may reasonably be thought to bear on

our independence, and where applicable, related safeguards.

From the matters communicated with the Directors, we

determine those matters that were of most significance in the

audit of the consolidated financial statements of the current

period and are therefore the key audit matters. We describe

these matters in our auditor’s report unless law or regulation

precludes public disclosure about the matter or when, in

extremely rare circumstances, we determine that a matter

should not be communicated in our report because the adverse

consequences of doing so would reasonably be expected to

outweigh the public interest benefits of such communication.

Our responsibilities arise from the Public Audit Act 2001.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

33

CONSOLIDATED INCOME STATEMENT.

For the year ended 30 June 2023

Note

2023

$M

202 2

$M

RevenueA1, A22,7302,188

ExpensesA2(1,900)(1,602)

Depreciation and amortisationB1, B2(344)(293)

ImpairmentA2, B2(12)–

Revaluation loss of generation assetsA2, B1(41)–

Change in the fair value of financial instrumentsF1, F2(172)(85)

Change in the fair value of carbon units held for tradingC2(36)3

Share of profit/(loss) from associates and joint venturesE15 (5)

Gain/(loss) on acquisitions and disposals12 366

Interest incomeA23 2

Interest expenseA2(103)(64)

Profit before tax142 510

Tax exp e nseA3(39)(41)

Profit for the year attributable to owners of the parent103 469

Basic and diluted earnings per share (cents)7.4 434.32

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME.

For the year ended 30 June 2023

Note

2023

$M

202 2

$M

Profit for the year attributable to owners of the parent103 469

Other comprehensive income

Items that will not be reclassified subsequently to profit or loss

Change in asset revaluation reserve 113 298

Change in cash flow hedge reserve transferred to balance sheetF1 2 (1)

Share of movements in associates' and joint ventures' reservesE1 11 1

Tax ef fe c t (31)(83)

Items that may be reclassified subsequently to profit or loss

Change in cash flow hedge reserveF121259

Transfer of share of associate's reserves to profit or loss upon disposal of investment in associateF1 – (21)

Tax ef fe c t(60)(16)

Other comprehensive income for the year, net of taxation247237

Total comprehensive income for the year attributable to owners of the parent350706

The accompanying notes form an integral part of these financial statements.

GROUP FINANCIAL STATEMENTS.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

34

PRUE FLACKS // CHAIR OF

THE BOARD OF DIRECTORS

21 August 2023

JAMES MILLER // CHAIR OF THE RISK

ASSURANCE AND AUDIT COMMITTEE

21 August 2023

CONSOLIDATED BALANCE SHEET.

As at 30 June 2023

Note

2023

$M

Restated 202 2

$M

SHAREHOLDERS’ EQUITY

Issued capital 378 378

Treasury sharesD1 (34) (50)

Reserves 4,505 4,424

Total shareholders’ equity 4,849 4,752

ASSETS

Current assets

Cash and cash equivalentsD4 75 65

Trade and other receivablesC1 440 489

Contract assets and costs 32 20

InventoriesC2 91 94

Derivative financial instrumentsF1 201 311

Total current assets 839 979

Non-current assets

Property, plant and equipmentB1 8,099 8,080

Intangible assetsB2 138 123

Investment in and advances to associates and joint venturesE180 73

Advances to joint operationsE1 4 4

Trade and other receivablesC1 1 3

Contract assets and costs 15 10

Derivative financial instrumentsF1 243 359

Total non-current assets 8,580 8,652

Total assets9,4199,631

Note

2023

$M

Restated 202 2

$M

LIABILITIES

Current liabilities

Payables and accruals 344 383

ProvisionsC33-

BorrowingsD2 375 561

Derivative financial instrumentsF1 186 292

Taxation payableA3 44 14

Total current liabilities 9521,250

Non-current liabilities

ProvisionsC3 81 81

Derivative financial instrumentsF1 263400

BorrowingsD2 1,523 1,395

Deferred taxA3 1,751 1,753

Total non-current liabilities 3,6183,629

Total liabilities 4,570 4,879

Net assets 4,849 4,752

For and on behalf of the Board of Directors who authorised the issue of the Financial Statements on 21 August 2023.

The accompanying notes form an integral part of these financial statements.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

35

CONSOLIDATED STATEMENT OF CHANGES IN EQUITY.

For the year ended 30 June 2023

Note

Issued

capital

$M

Retained

earnings

$M

Asset

revaluation

reserve

$M

Cash flow

hedge

reserve

$M

Other

reserves

$M

Total

equity

$M

BALANCE AS AT 1 JULY 2021 378 2143,959(268)(97)4,186

Recycling of share of associates' reserves to

retained earnings upon disposal–23(21)–(2)–

Transfer of share of associates' reserves to

profit or loss upon disposal –––(20)(1)(21)

Movement in asset revaluation reserve,

net of taxation––215––215

Movement in cash flow hedge reserve,

net of taxation–––22–22

Share of movements in associates’ and joint

ventures’ reserves–––21–21

Other comprehensive income–2319423(3)237

Net profit for the year–469–––469

Total comprehensive income for the year–49219423(3)706

Dividend–(248)–––(248)

Issue of treasury shares–58––50108

Balance as at 30 June 20223785164,153(245)(50)4,752

BALANCE AS AT 1 JULY 2022 378 516 4,153 (245) (50) 4,752

Movement in asset revaluation reserve,

net of taxation––82–– 82

Movement in cash flow hedge reserve,

net of taxation––– 154 – 154

Share of movements in associates’ and joint

ventures’ reserves–––11–11

Other comprehensive income–– 82 165 – 247

Net profit for the year– 103 –––103

Total comprehensive income for the year–10382 165 –350

Dividend– (286)––– (286)

Issue of treasury shares for dividend

reinvestment programmeD1– 15 ––1328

Sale of treasury sharesD1–2––35

Balance as at 30 June 2023378 350 4,235 (80) (34) 4,849

CONSOLIDATED CASH FLOw STATEMENT.

For the year ended 30 June 2023

Note

202 3

$M

202 2

$M

CASH FLOwS FROM OPERATING ACTIVITIES

Receipts from customers 2,620 2,011

Payments to suppliers and related parties (1,687) (1,433)

Payments to employees (147) (93)

Interest received 3 2

Interest paid (104) (61)

Taxes paid (107) ( 74)

Net cash provided by operating activitiesD4 578 352

CASH FLOwS FROM INVESTING ACTIVITIES

Payments for acquisition of property, plant and equipment (250)(114)

Payments for acquisition of intangibles (47)(25)

Proceeds from the disposal of investment in Tilt Renewables Limited–603

Proceeds from receivables recognised from acquisitions –124

Payments for acquisition of NOW New Zealand (17)–

Payments associated with business combinations, net of cash acquired – (1,099)

Distributions received from/(Advances paid to) associates and joint ventures 6 10

(Lodgements)/return of prudential deposits 37 (33)

Net cash (used)/received in investing activities (271)(534)

CASH FLOwS FROM FINANCING ACTIVITIES

Proceeds from borrowings 509 777

Repayment of borrowings (544)(548)

Principal repayment of lease liabilities (9)(6)

Proceeds from the sale of treasury shares 5 93

Dividends paid (258)(232)

Net cash (used)/received in financing activities (297)84

Net increase/(decrease) in cash and cash equivalents held 10 (98)

Cash and cash equivalents at the beginning of the period 65 163

Cash and cash equivalents at the end of the period 75 65

Cash balance comprises:

Cash held at bank at the end of the period7565

The accompanying notes form an integral part of these financial statements.

The 'Other reserves' category includes treasury shares, the foreign currency translation reserve

and the share based payment reserve.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

36

GENERAL INFORMATION AND SIGNIFICANT

MAT T ER S

GENERAL INFORMATION

These consolidated financial statements (“Group financial

statements”) are for Mercury NZ Limited Group (“the Group”).

The Group financial statements comprise Mercury NZ Limited

("the Company") as the parent, and its subsidiaries, including its

investments in associates and interests in joint arrangements.

The Company is incorporated in New Zealand and registered under

the Companies Act 1993. It is listed on the NZX Main Board and on

the ASX, with foreign exempt listed status. It also has bonds quoted

on the NZX Debt Market. The Company is an FMC reporting entity

under the Financial Markets Conduct Act 2013.

The Company is a mixed ownership model company, majority

owned by the Government, bound by the requirements of the Public

Finance Act 1989. The liabilities of the Group are not guaranteed in

any way by the Government or by any other shareholder.

BASIS OF PREPARATION

The Group financial statements have been prepared:

• in accordance with the Financial Markets Conduct Act 2013

and Generally Accepted Accounting Practice in New Zealand

(“GAAP”). They comply with New Zealand equivalents to

International Financial Reporting Standards (“NZ IFRS”)

and International Financial Reporting Standards ("IFRS")

as appropriate for profit-oriented entities

• on a historical cost basis, with the exception of certain fair

value measurements

• using the same accounting policies for all reporting periods

presented, with the exception of a change in the accounting

treatment of unhedged electricity derivatives

(see Significant Matters)

• in millions of New Zealand dollars, unless otherwise stated

• exclusive of GST, with the exception of payables and

receivables that include GST invoiced.

ESTIMATES & JUDGEMENTS

The preparation of financial statements requires judgements

and estimates that impact the application of policies and the

reported amounts of assets and liabilities, income and expenses.

Actual results may differ from these estimates.

The areas of significant estimates and judgements are as follows:

• Purchase price allocation as a result of the acquisition of

Trustpower's retail business and NOW New Zealand Ltd

(refer to Acquisition Accounting and Significant Matters)

• Fair value of generation plant and equipment (refer note B1)

• Valuation of financial instruments (refer notes F1 and F2).

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

ACQUISITION ACCOUNTING AND SIGNIFICANT

MAT T ERS

Acquisition of Trustpower Limited's Retail Business

("Trustpower transaction")

In the previous reporting period the Group completed its acquisition

of Trustpower Limited's retail business and disclosed a provisional

purchase price allocation. The Group has now completed its

purchase price allocation in accordance with NZ IFRS 3

Business

Combinations.

The fair values allocated to the assets and liabilities,

and the linked derivative are disclosed below. The final allocation

differs from the provisional purchase price allocation by

$1 million as a result of a reduction in the contract assets

balance acquired and a corresponding reduction in the acquisition

consideration amount.

Acquisition consideration -

by way of cash ($M)470

Fair value allocated

on 1 May 2022 ($M)

Derivative financial instruments 488

Intangible assets 32

Property, plant and equipment 19

Right-of-use assets 22

Lease liabilities (22)

Contract assets 28

Inventories 3

Receivables 49

Payables and accruals (3)

Deferred tax liabilities (146)

Net assets 470

The Group previously recognised a bargain purchase gain of

$1m from the transaction.

Acquisition of remaining shares in NOw New Zealand Ltd

In the 2021 financial year Mercury acquired a 48% interest in

NOW New Zealand ("NOW"). On 15 December 2022, the Group

paid $16.7m in cash to acquire the remaining 52% of shares in

NOW. After considering the acquisition date fair value of the

existing 48% interest, this resulted in the entire investment being

valued at $32.4m and a gain of $12m being recognised in the

income statement. The Group has prepared a purchase price

allocation in accordance with NZ IFRS 3

Business Combinations.

The fair value allocated to the asset and liability classes upon

acquisition are disclosed below.

Fair value allocated on

15 December 2022 ($M)

Customer assets 30

Property, plant and equipment 4

Receivables 3

Payables and accruals (6)

Borrowings (3)

Deferred tax liabilities (6)

Goodwill 10

Net assets acquired 32

In the December 2022 interim report, the Group recognised $9m

goodwill from the transaction based on the preliminary acquisition

accounting. The valuation of the assets and liabilities acquired has

now been completed as above and total goodwill of $10m has

been recognised.

Since acquisition, revenue and net loss after tax attributable to

NOW within the consolidated statement of profit and loss totalled

$20m and $(1)m respectively. If the acquisition had occurred as

of the beginning of the reporting period, the total revenue and net

loss after tax attributable to NOW would have been $45m and

$(6)m respectively.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

37 Kawerau geothermal station.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

Change in accounting treatment of unhedged

electricity derivatives

Following the IFRS Interpretations Committee (IFRIC) Agenda

Decision on Physical Settlement of Contracts to Buy or Sell a

Non-Financial Item (IFRS 9

Financial Instruments), the Group has

reassessed the accounting treatment of realised gains and losses on

unhedged electricity derivatives. In 2023, realised gains and losses

on unhedged derivative contracts will not be reclassified to revenue

or expenses and will continue to be recognised within the change in

fair value of financial instruments in the statement of profit and loss.

Settlements of unhedged derivatives that occurred in 2022 have not

been reclassified or restated in the financial statements as the overall

impact is not considered material.

Management reporting continues to reclassify realised gains

or losses on unhedged derivatives to revenue or expenses which

means the gains and losses are included within the non-GAAP

measure of EBITDAF (Earnings before net interest expense, tax

expense, depreciation, amortistion, change in the fair value of

financial instruments, gain/(loss) on disposal and impairments).

This measure is reported in Note A2 and includes a reconciliation

of realised and unrealised changes in fair value between the

statement of profit and loss and EBITDAF.

Restatement on presentation of Financial Transmission

Rights (FTRs):

An error has been identified in the presentation of Financial

Transmission Rights (FTRs). FTRs are Level 1 electricity derivatives

used to manage locational price risk. The Group previously disclosed

FTRs gross with acquisition cost as a liability in Payables and accruals

and its hedge value separately as an asset in Derivative financial

instruments. As these are net settled, the Group has changed

presentation on the consolidated balance sheet in 2023 and

restated the prior year. The effects of this change in presentation

on the consolidated balance sheet are shown in the following table:

Audited year

ended 30 June

2022

$M

Adjustments

$M

Restated audited

year ended 30

June 2022

$M

CONSOLIDATED BALANCE SHEET

Current Assets

Derivative financial instruments328(17)311

Non-Current Assets

Derivative financial instruments371(12)359

Current Liabilities

Payables and accruals(400)17(383)

Non-Current Liabilities

Payables and accruals(12)12–

Accounting standards, interpretations and amendments

not yet effective

In December 2022, the External Reporting Board ("XRB") of

New Zealand released the Aotearoa New Zealand Climate Standards

("NZ CS") setting the requirements for the reporting of climate risks.

The NZ CS are mandatory for periods beginning on and from


1 January 2023, so Mercury will apply the standards for the period

ending 30 June 2024.

As with previous years, the Group has prepared separate voluntary

Climate-related disclosures which can be found in the Climate

Statement section of the Integrated Report. These disclosures do not

form part of the consolidated financial statements.

The potential impacts of climate change and the environmental

policies of the New Zealand Government have been considered


by the Group when determining its strategy. This has potential

impacts on the financial statements in the following areas:

• Generation assets and energy derivatives are revalued to fair value

at the end of each reporting period. A key input for the valuations

is the wholesale electricity price path. This price path reflects the

impact of environmental policies on the supply and demand


of power which could affect future prices. Refer to note B1.

• The Group is an active participant in New Zealand's Emissions

Trading Scheme (ETS) and began trading in surplus carbon units

in 2022. The market value of carbon units impacts the fair value

of units held for trading and the cost of meeting the Group's ETS

compliance obligations.

There are no other accounting standards that are not yet effective

that will have a material impact on the Group's financial statements.

RESTATEMENT ON PRESENTATION OF FTRS

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

38

NOTE A1. REVENUE

Mercury earns revenue from the following sources:

Revenue streamDescription & Revenue Recognition

Electricity generation,

net of hedging

Revenue is received from:

- Electricity generated and sold through the wholesale markets, and power purchase agreements

(PPAs). Revenue is recognised at the time of generation.

- net settlement of hedged energy contracts sold or bought on the futures market, and to generators,

retailers and commercial & industrial customers and recognised at the time of hedge settlement.

Electricity and gas

sales to customers

- Electricity and gas sales to customers are recognised when the energy is supplied for customer consumption.

- Acquisition incentives such as credits and appliances are offered to new customers and treated as

individual performance obligations and a portion of the expected revenue over the life of the total

contract is allocated to the performance obligation based on their standalone selling price and

recognised immediately. Corresponding contract assets are recognised on the balance sheet and

amortised to the income statement over the contract period as the future consideration is billed.

Incremental costs to obtain and retain customers are recognised on the balance sheet as contract

costs and amortised to the income statement on a straight-line basis over the expected average

mass market customer tenure.

Telco revenueCustomers consume mobile and broadband services which are measured and billed according to

monthly billing cycles and are recognised when the service has been provided. Acquisition incentives

are treated the same as above.

Other revenueRevenue is received from:

- Insurance proceeds and external management management fees. Revenue is recognised at the time

the insurance proceeds are received and the services have been delivered.

- Sale of emission units sold to third parties. The net gain on sale is recognised at the point in time that

the emission unit is confirmed as being transferred into the acquirer's emission unit account.

NOTE A2. SEGMENT REPORTING

IDENTIFICATION OF REPORTABLE SEGMENTS

The operating segments are identified by management based

on the nature of the products and services provided. Discrete

financial information about each of these operating segments is

reported to the Chief Executive, being the chief operating decision-

maker, on a monthly basis, who assesses the performance of

the operating segments on a measure of EBITDAF. EBITDAF is a

non-GAAP measure that is used internally to assess the operating

performance of the Group without the impact of non-cash and

one-off or infrequent transactions. Segment EBITDAF represents

earnings before net interest expense, tax expense, depreciation,

amortisation, change in the fair value of financial instruments,

gain/(loss) on disposal and impairments by each segment inclusive

of an allocation of central operating revenue and costs. Operating

segments are aggregated into reportable segments only if they

share similar economic characteristics. Realised gains or losses on

unhedged electricity swaps are reported within Electricity margin

for the purposes of EBITDAF, but are reported within the change

in fair value of financial instruments in the income statement.

Realised gains or losses (settlements) on hedged electricity

swaps are reported within Electricity margin for the purposes

of EBITDAF, and within revenue or expenses as appropriate

in the income statement. Unrealised gains or losses, recognised

in profit and loss, on both hedged and unhedged electricity swaps

are not included in EBITDAF and are reported in the change in

fair value of financial instruments in the income statement.

A reconciliation of EBITDAF to profit before tax can be found

in the summary table of the note.

The presentation of segment EBITDAF has been split out in more

detail than previous disclosures to provide more transparency on

the revenue of products and services provided by the Group.

IDENTIFIED SEGMENTS

Generation/wholesale

The generation/wholesale market segment encompasses activity

associated with the electricity production, electricity trading,

generation development activities and the company's share of

associates earnings in TPC Holdings Limited (see Note E1). It also

includes revenue from the sale of electricity, to both commercial

& industrial customers and the retail segment, net settlement of

energy hedges and sale of trading emissions units to third parties.

Retail

The retail market segment encompasses activity associated with

sale of electricity, gas, telecommunication products/services and

other related products and services to mass market customers in

New Zealand.

Other Segments

Represents corporate support services which are not directly

attributable to the generation/wholesale or retail segments and the

company's share of associates earnings in EnergySource LLC and

EnergySource Minerals LLC.

Inter-segment

Transactions between segments represent transfer charges by

generation/wholesale to retail for the purchase of electricity.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

39

NOTE A2. SEGMENT REPORTING (CONTINUED)

SEGMENT RESULTS

YEAR ENDED 30 JUNE 202 3

Generation/

wholesale

$M

Retail

$M

Other

Segments

$M

Inter–

segment

$M

Total

$M

Generation, net of economic hedging825 - –– 825

Sales to customers442 1,206 –– 1,648

Inter-segment sales529 - – (529) –

Electricity Revenue 1,796 1,206 – (529) 2,473

Purchases, net of economic hedging (656) (529) –529 (656)

Transmission & distribution (115) (468) –– (583)

Metering (4) (63) –– (67)

ELECTRICITY MARGIN 1,021 146 –– 1,167

Gas Revenue–89 –– 89

Purchases– (29) –– (29)

Transmission & distribution– (33) –– (33)

Metering– (8) –– (8)

GAS MARGIN– 19 –– 19

Telco Revenue– 155 –– 155

Cost of sales– (105) –– (105)

TELCO MARGIN– 50 –– 50

Other direct cost of sales (35) (38) –– (73)

TRADING MARGIN 986 177 –– 1,163

OTHER INCOME2112–24

Employee compensation and benefits (46) (84) (18) – (148)

Maintenance expenses (54) (16) – – (70)

Other expenses (54) (62) (12) – (128)

Allocation of corporate overheads (9) (21) 30 ––

Total operating expenses (163) (183)–– (346)

Segment EBITDAF844(5)2–841

Summary and reconciliation

to net profit before tax

Generation/

wholesale

$M

Retail

$M

Other

Segments

$M

Inter–

segment

$M

Total

$M

Revenue1,809 1,450 – (529) 2,730

Expenses (973) (1,456) –529 (1,900)

Realised gain/(loss) on unhedged

electricity swaps

6 –––6

Share of profit/(loss) from associates

and joint ventures

2 1 2–5

Segment EBITDAF844(5)2–841

Gain / (loss) on acquisition and disposal–12–– 12

Impairment–(12)–– (12)

Revaluation loss of generation assets(41)––– (41)

Change in fair value of carbon

units held for trading(36)––– (36)

Unrealised change in the fair

value of financial instruments (178)

Interest income3

Interest expense (103)

Depreciation and amortisation (344)

Profit before tax 142

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

40

NOTE A2. SEGMENT REPORTING (CONTINUED)

YEAR ENDED 30 JUNE 2022

Generation/

wholesale

$M

Retail

$M

Other

Segments

$M

Inter–

segment

$M

Total

$M

Generation, net of economic hedging929 ––– 929

Sales to customers377 748 –– 1,125

Inter-segment sales300 –– (300) –

Electricity Revenue 1,606 748 – (300) 2,054

Purchases (851) (300) –300 (851)

Transmission & distribution (101) (288) –– (389)

Metering (4) (39) –– (43)

ELECTRICITY MARGIN 650 121––771

Gas Revenue–46 –– 46

Purchases– (13) –– (13)

Transmission & distribution– (19) –– (19)

Metering– (5) –– (5)

GAS MARGIN– 9 –– 9

Telco Revenue–21––21

Cost of sales– (17) –– (17)

TELCO MARGIN–4––4

Other direct cost of sales (30) (10) –– (40)

TRADING MARGIN 620 124 ––74 4

OTHER INCOME645(2)–67

Employee compensation and benefits (41) (37) (16) – (94)

Maintenance expenses (41) (10) –– (51)

Other expenses (43) (30) (12) – (85)

Allocation of corporate overheads (14) (14) 28 ––

Total operating expenses (139) (91)–– (230)

Segment EBITDAF54538(2)–581

Generation/

wholesale

$M

Retail

$M

Other

Segments

$M

Inter–

segment

$M

Total

$M

Summary and reconciliation to net profit

before tax

Revenue1,670 820 (2) (300) 2,188

Expenses(1,120)(782)–300(1,602)

Share of profit/(loss) from associates

and joint ventures

(5) ––– (5)

Segment EBITDAF54538(2)–581

Gain / (loss) on disposal366–––366

Revaluation of carbon trading units3–––3

Change in the fair value of financial

instruments (85)

Interest income2

Interest expense (64)

Depreciation and amortisation (293)

Profit before tax510

Audit Fees

Mercury NZ Limited (the Company) is a public entity as defined in the Public Audit Act 2001 and the Auditor-General is the auditor

of every public entity. The Auditor-General has appointed Lloyd Bunyan of EY to carry out the audit on his behalf. NZX listing rules

and Mercury's Audit Independence Policy requires that the signing partner performing the audit to rotate every five years.

2023

$000

2022

$000

Audit of the financial statements668742

Review of interim financial statements7575

Other assurance related services1873

Non-audit services26

Foreign tax services–28

Total fees paid to auditors932854

Other assurance-related services include a pre-issuance review of climate-related disclosures, and limited assurance engagements

relating to Mercury's greenhouse gas emissions inventory ($184k) and Mercury's Master Trust Deed ($3k).

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

41

N OT E A 3. TA X AT IO N

2023

$M

202 2

$M

Income Tax

(i) Tax expense

Profit before tax142510

Prima facie tax expense at 28% on the profit before tax(40)(143)

Adjusted for the tax effect of the following items:

• share of associates’ and joint ventures’ tax paid earnings 11

• capital gain3106

• impairment of NOW goodwill(3)–

• other differences–(5)

Tax expense attributable to profit from ordinary activities(39)(41)

Represented by:

Current tax expense(140)(91)

Deferred tax recognised in the income statement10150

The effective tax rate for the financial year is 28% (30 June 2022: 8% due to the non-taxable gain on disposal of shares in Tilt

Renewables Limited, 29% after adjustment for the gain).

The income tax expense charged to the income statement includes both the current year’s provision and the income tax effect of:

• taxable temporary differences, except those arising from initial recognition of goodwill; and

• deductible temporary differences to the extent that it is probable that they will be utilised.

Deferred Tax

Deferred tax is provided in full, using the liability method, on temporary differences arising between the tax and accounting bases

of the assets and liabilities. A deferred tax asset is only recognised to the extent that there will be future taxable profit to utilise the

temporary difference.

Property, plant and equipment is held on capital account for income tax purposes. Where assets are revalued, with no similar

adjustment to the tax base, a taxable temporary difference is created that is recognised in deferred tax.

Property,

plant and

equipment

$M

Financial

instruments

$M

Employee

entitlements

$M

Other

$M

Total

$M

(ii) Movement in deferred tax

Asset/(Liability) Balance as at 1 July 2021 (1,498) 97 3 35 (1,363)

Charged/(credited) to the income statement 25 28 – (3) 50

Charged/(credited) to other

comprehensive income (80) (16)– (3) (99)

Deferred tax associated with the acquisition

of Tilt and Trustpower retail businesses (206) (125)– (7) (338)

Other movements––– (3) (3)

Asset/(Liability) Balance as at 30 June 2022 (1,759)(16)319 (1,753)

Asset/(Liability) Balance as at 1 July 2022 (1,759) (16)3 19 (1,753)

Charged/(credited) to the income statement 34 53 113101

Charged/(credited) to other

comprehensive income (31) (60)–– (91)

Deferred tax associated with

the acquisition of NOW––– (8) (8)

Asset/(Liability) Balance as at 30 June 2023 (1,756) (23)424 (1,751)

'Other' deferred tax balances comprises temporary differences relating to the acquisition of NOW and the use of carried forward

losses from Waverley Wind Farm Ltd.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

42

NOTE B1. PROPERTY, PLANT AND EQUIPMENT

Generation

assets at

fair value

$M

Other assets

at cost

$M

Right-of-use

assets

$M

Capital work in

progress at cost

$M

Total

$M

YEAR ENDED 30 JUNE 2022

Opening net book value 6,362 39 40 387 6,828

Additions–– 26 128 154

Additions in relation to the acquisition

of Tilt New Zealand assets 1,026 – 16 – 1,042

Additions in relation to the acquisition

of Trustpower retail business– 18 22 1 41

Transfers 302 5 – (307)–

Disposals (5) (2)–– (7)

Net revaluation movement 293 ––– 293

Depreciation charge for the year (255) (9) (7)– (271)

Closing net book value 7,723 51 97 209 8,080

Balance at 30 June 2022

Cost or valuation 7,723 137 120 209 8,189

Accumulated depreciation– (86) (23)– (109)

Net book value 7,723 51 97 209 8,080

Generation

assets at fair

value

$M

Other assets

at cost

$M

Right-of-use

assets

$M

Capital work in

progress at cost

$M

Total

$M

YEAR ENDED 30 JUNE 2023

Opening net book value 7,723 51 97 209 8,080

Additions 1 1 – 244 246

Additions in relation to the acquisition

of Now New Zealand– 4 –– 4

Transfers 257 4 – (261)–

Disposals (7)––– (7)

Gain on revaluation 110 ––– 110

Loss on revaluation (41)––– (41)

Depreciation charge for the year (270) (13) (10)– (293)

Closing net book value 7,7 73 47 87 192 8,099

Balance at 30 June 2023

Cost or valuation 7,7 73 146 120 192 8,231

Accumulated depreciation– (99) (33) – (132)

Net book value 7,7 73 47 87 192 8,099

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

43

NOTE B1. PROPERTY, PLANT AND

EQUIPMENT (CONTINUED)

ASSETS CARRYING VALUES

All assets, except Generation plant and equipment, are recognised at

cost less accumulated depreciation. Fixed assets, excluding land, are

depreciated on a straight line basis over their expected useful lives.

Generation plant and equipment is originally recognised at cost and

subsequently measured at fair value less accumulated depreciation.

An independent valuation is completed annually to determine the

fair value of these assets. Any surplus on revaluation is recognised

in the asset revaluation reserve, except where it offsets a previous

decrease in value that was recognised in the income statement.

Any accumulated depreciation or impairment recognised between

revaluations is eliminated against the gross carrying amount of the

asset at the date of the revaluation and the net amount is restated to

the revaluated amount of the asset.

The Group's leases relate to properties, geothermal steam royalties,

office equipment, and transmission equipment. These leases are

recognised as a right-of-use asset and a corresponding liability.

The initial value of the asset and liability represent the present value

of all reasonably expected future lease payments. Lease payments

are recorded as a repayment of the lease obligation and interest

expense. Lease assets are depreciated on a straight-line basis

over the term of the lease. The most significant leases relate to

office buildings in Auckland and Tauranga. The weighted average

incremental borrowing rate applied to lease liabilities in 2023 was

5.36% (2022: 5.27%). The Group's lease interest was $6m (2022:

$5m) and lease liability is disclosed in note D2.

As at 30 June 2023, the capital work in progress balance is

largely made up of the following:

- Karāpiro hydro station rehabilitation project

- Geothermal drilling with expected completion in 2026

- Kaiwera Downs windfarm with stage one of the windfarm project

expected to be operational in the first quarter of financial year

2024, and its second stage will remain under development.

Depreciation

Depreciation is calculated on a straight-line basis on all property,

plant and equipment other than freehold land, capital work in

progress and exploration, so as to write down the assets to their

estimated residual value over their expected useful lives.

The annual depreciation rates are as follows:

202 32022

Office fixture and fittings,

including fit-out2-33%2-33%

Generation assets1-20%1-20%

Computer hardware and

tangible software5-33%5-33%

Other plant and equipment2-33%2-33%

Vehicles5-33%5-33%

Right of use assets2-50%2-50%

ASSETS CARRIED AT FAIR VALUE

All generation assets shown at valuation were revalued using

a net present value methodology by PricewaterhouseCoopers,

an independent valuer, as at 30 June 2023. This resulted in an

increase of $110.3 million to the carrying value of the Turitea wind

farm, a decrease to the carrying value of Tararua and Waipipi

wind farms of $4.5 million and $36.8 million respectively and

no change in the carrying values of hydro and geothermal assets

in the current year.

The revaluation decreases of Tararua and Waipipi result in

a revaluation loss of carrying value, which is recognised in the

statement of profit and loss, as the assets have no existing

revaluation reserve. As a consequence of the revaluation,

accumulated depreciation on these generation assets has

been reset to nil.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

SensitivityValuation impact

202 3

$M

2022

$M

Future wholesale electricity price path+/- 10%$1,091 / ($1,087)$1,201 / ($1,201)

Discount rate+/- 0.5%($489) / $573($733) / $894

Operational expenditure+/- 10%($336) / $336($341) / $341

The carrying amount of revalued generation assets, had they been recognised at cost, would have been $2,654 million

(2022: $2,514 million).

AREA OF KEY JUDGEMENT

GENERATION ASSET VALUATION

The key assumptions used in the valuation include the forecast of the future wholesale electricity price path, generation volumes, projected

operational and capital expenditure and asset life assumptions and discount rates. In all cases there is an element of judgement required

as valuations make use of unobservable inputs including wholesale electricity prices over time of between $99/MWh and $179/MWh (2022:

$74/MWh and $145/MWh), average operational expenditure of $224 million p.a. (2022: $204 million p.a.), net average production volumes

of 8,771 GWh p.a. (2022: 8,362 GWh p.a.), a post-tax discount rate of between 6.6% and 7.0% for wind assets backed by long-term Power

Purchase Agreements (2022: 5.6% to 6.0%) and between 7.5% and 7.9% for other assets (2022: 6.5% to 6.9%). The valuation also assumes

the on-going operation of New Zealand Aluminium Smelter Limited at Tiwai Point, no material changes to the wholesale market regulatory

regime, hydro and geothermal fuel supply being sustained over the modelled horizon and no material changes to generation consent

conditions. The discounted cash flow valuation approach assumes 100% control and consequently a control premium should be applied

if using an equity valuation technique to derive comparative asset values.

Generation assets are classified as level three in the fair value hierarchy due to the use of non-market observable inputs in the valuation.

Changes in the level three category during the period relates to transfers from cost measurement (capital work in progress), depreciation

and impairment (recognised in profit and loss) and revaluation movements (recognised in other comprehensive income). The following table

outlines the valuation impact of changes to assumptions, keeping all other valuation inputs constant, that the valuation is most sensitive to.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

44

NOTE B2. INTANGIBLE ASSETS

Intangible

software

$M

Acquired

brand

$M

Rights

$M

Emissions

units

$M

work in

progress

$M

Total

$M

YEAR ENDED 30 JUNE 2022

Opening net book value24–16607107

Additions–––92635

Additions in relation to the Trustpower

retail acquisition1118––231

Transfers17––(27)(17)(27)

Disposals––––––

Surrendered Units–––(1)–(1)

Amortisation for the year(20)(1)(1)––(22)

Closing net book amount3217154118123

BALANCE AT 30 JUNE 2022

Cost16318344118274

Accumulated amortisation(131)(1)(19) – – (151)

Net book value3217154118123

YEAR ENDED 30 JUNE 2023

Opening net book value 32 17 15 41 18 123

Additions––– 10 37 47

Additions in relation to the

Now New Zealand acquisition– 41 ––– 41

Transfers45––– (45)–

Impairment– (13)––– (13)

Disposals––––––

Surrendered Units––– (9)– (9)

Amortisation for the year (27) (23) (1)–– (51)

Closing net book amount 50 22 14 42 10 138

BALANCE AT 30 JUNE 2023

Cost 208 46 34 4210340

Accumulated amortisation (158) (24) (20)–– (202)

Net book value 50 22 14 4210138

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

Software

Acquired computer software licenses are recognised at cost

and amortised over their estimated useful lives of 1 - 15 years

(2022: 1 - 15 years). As these assets are deemed to have a finite

life, impairment testing will only be performed when there is an

indication that the intangible asset may be impaired.

Acquired Intangible Assets

As part of the acquisition of the Trustpower retail business in

2022, the Group allocated part of the purchase price to the

Trustpower brand acquired ($19m). At the time of acquisition,

the brand acquired was assessed to have a useful life of 2 years.

With the retirement of the Trustpower brand in June 2023,

amortisation of the brand asset has been accelerated to reflect

the reduced useful life of the brand.

As part of the acquisition of NOW (refer Significant Matters) the

Group allocated part of the purchase price to the customer list

acquired ($30m, assessed useful life of 2.5 years) and goodwill

($10m). The goodwill was allocated to the NOW cash generating

unit (CGU) within the Retail segment and the unit was tested

for impairment at year end. The recoverable amount of the CGU

has been determined from an estimate of fair value less costs

of disposal. The customer list was tested for impairment before

the goodwill. The customer list had a carrying amount of $24m

and a recoverable amount of $22m. The CGU had a carrying

amount of $29m and a recoverable amount of $16m. The result

of the tests is an impairment loss of $2m on the customer list

and $10m on the goodwill. The CGU is currently loss making

due to customer acquisition combined with manual processes.

It is management’s expectation that that CGU can be integrated

within the wider Retail business to achieve scale and synergies

that are not reflected in the current value.

The impairment losses have been recognised in the statement of

profit and loss in the current period. The customer list asset fair

value was estimated using measurements in Level 3 of the fair

value hierarchy. The valuation is an estimate of average margin per

customer over the expected 2.5 year useful life. The key assumption

is the expected useful life which has been assigned based on past

experience. For the recoverable amount of the CGU to equal the

carrying amount the useful life would need to increase to 4.5 years.

The remaining assets in the CGU are not considered material

and include fixed assets, receivables, payables and borrowings.

For these assets their fair value was estimated to be the same

as their carrying value.

Rights

Rights, of which land access rights are the most significant,

acquired to further the Group's generation development

programme are stated at cost less accumulated amortisation

and any accumulated impairment losses. Rights, which have

a finite life, are amortised over the life of the rights, which range

from 5 to 60 years (2022: 5 to 60 years). Testing for impairment

will only arise when there is an indication that the asset may

be impaired.

Carbon Units & Emissions Obligations

Purchased carbon units are recorded at cost (purchase price).

At 30 June 2023, the Group held a total of 1,568,674 units

within intangible assets (2022: 1,676,497 units). Carbon units,

when allocated or purchased for purposes other than trading

units, are recorded as intangible assets and are not revalued

subsequent to initial recognition.

Carbon units that are surrendered to the government in

compensation for the Group's emissions obligations are

recognised as an expense in the income statement and a

reduction to intangible assets in the balance sheet, based

on the weighted average cost of the units surrendered.

Emissions obligations are recognised as a current liability as the

obligation is incurred. Up to the level of units held, the liability is

recorded at the carrying value of those units intended to settle

the liability. Contracts for the purchase of carbon units are

recognised when they are settled.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

45

NOTE C1. RECEIVABLES

202 3

$M

202 2

$M

RECEIVABLES

Trade receivables and accruals360379

Allowance for credit loss (7)(5)

Net trade receivables and accruals353374

ASX prudential deposits6097

Prepayments2821

441 492

Trade receivables are measured at amortised cost using the effective

interest method. Customers are typically invoiced on a monthly

basis. Large commercial and industrial customers are billed on a

calendar month basis, while for most mass market customers billing

occurs on a rolling cycle each month and over the year. Revenue

accruals for unbilled telecommunication services and unread gas

and electricity meters at balance date involves an estimate of

consumption for each unread meter based on past consumption

history. Generation revenue accruals are derived mostly from

generation sales to the New Zealand wholesale market at the

prevailing spot price at the grid injection point. Revenue is invoiced

by the Wholesale Market Clearing Manager on a calendar month

basis reflecting actual metered generation at the stations.

Trade receivables are non-interest bearing and are generally on 30

day terms for large commercial and industrial customers and mass

market customers are on 18 day terms. For terms and conditions of

related party receivables refer to note E1.

The Group recognises an allowance for impairment loss when

there is an indication that the Group will not be able to collect

amounts due according to the original terms of the receivable.

An additional allowance for credit loss of $8 million (2022: $1

million) was recognised during the year. Receivables of $6 million

(2022: $1 million) which were deemed uncollectable were written

off. The increase from 2022 is due to the Trustpower acquisition

resulting in a larger retail business with higher trade receivables,

as well as adjustments for tighter economic conditions.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

The Company applies the simplified approach to measuring

expected credit losses, which uses a lifetime expected loss

allowance for all trade receivables, with impairment being

recognised in the income statement and a corresponding

provision on the balance sheet at the time of billing.

To measure the expected credit losses, trade receivables have

been grouped based on days past due. The expected loss rates

are based on the historical credit losses in prior periods, adjusted

for any significant known amounts that are not receivable.

Separate loss rate models are maintained for Mercury and

Trustpower customer bases and the table below is consolidated

to show combined losses.

The following table details the loss allowance at 30 June 2023:

1-30 days

past due

31-60 days

past due

>60 days

past dueTotal

Expected loss

rate%4%24%84%

Gross carrying

amount

– trade

receivables$M242632

Expected

credit loss$M1157

2023

$M

2022

$M

Movements in the allowance for

impairment loss were as follows:

Balance at the beginning of the year 5 1

Allowance recognised on acquisition of

Trustpower retail business–4

Charge for the year 8 1

Amounts written off (6)(1)

Balance at the end of the year 7 5

Prudential deposits act as security to cover mark-to-market

movement in the ASX futures position.

Turitea wind farm.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

46

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

NOTE C2. INVENTORIES

Cost of consumable stores are determined on a weighted average basis and includes expenditure incurred in acquiring consumable

stores and bringing them to their final condition and location. Consumable stores include consumables held to service and repair

operating plants and finished goods relating to the retail business.

Inventories also include carbon units (NZUs) which management has identified as held for trading. These are measured at fair value

less cost to sell. A change in fair value is recognised in the income statement. Fair value is calculated based on the CommTrade spot

price at the valuation date. As a result, the units are classified as level one in the fair value hierarchy. The change in fair value in carbon

units held for trading in 2023 is a result of uncertainty in the carbon market driving the spot price of carbon down.

2023

$M

2022

$M

Consumable Stores 51 29

Carbon Units - at fair value less cost to sell 40 65

Inventories 91 94

CARBON UNITS - AT FAIR VALUE LESS COST TO SELL

2023

Units

000

2023

Value

$M

2022

Units

000

2022

Value

$M

Opening Balance 854 65 ––

Transferred from Intangibles Assets–– 685 26

Purchases 321 27 1,284 88

Amounts recognised in profit or loss (221) (16) (1,115) (52)

Change in fair value– (36)–3

Closing Balance954 40 85465

NOTE C3. PROVISIONS

2023

$M

2022

$M

Balance at the beginning of the year8186

Provisions made/(used) during the year––

Provisions reversed during the year–(8)

Discounting movement33

Balance at the end of the year8481

Current3 –

Non-current8181

8481

Provisions have been recognised for the abandonment and subsequent restoration of areas from which geothermal resources have

been utilised. The provision is calculated based on the present value of management's best estimate of the expenditure required,

and the likely timing of settlement. Changes in these estimates made during the year are reported as an increase in provisions and a

reduction in revaluation reserves. The increase in provision resulting from the passage of time (the discount effect) is recognised as

an interest expense. The provision will be utilised when the individual wells are abandoned. The wells are estimated to have an average

useful life of 19 years.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

47

NOTE D1. SHARE CAPITAL AND DISTRIBUTION

The share capital of the Company is represented by 1,400,012,517 ordinary shares (2022: 1,400,012,517) issued and fully paid. The weighted

average number of shares on issue during the year, on both a basic and diluted basis, was 1,385,131,962 (2022: 1,366,520,442). These

shares do not have a par value, have equal voting rights and share equally in dividends and any surplus on winding up.

2023

Number

of shares

(M)

2023

$M

2022

Number

of shares

(M)

2022

$M

Treasury shares

Balance at the beginning of the year1950 39 100

Issue of treasury shares for dividend

reinvestment programme(5)(13) (20) (50)

Sale of treasury shares(1)(3)––

Balance at the end of the year1334 19 50

Treasury shares were issued during 2023 for the following purposes:

• The dividend reinvestment programme (DRP) continued in 2023 with the transfer of 4,734,460 shares to shareholders that

elected to reinvest the net proceeds of cash dividends payable; and

• A trust holding treasury shares for executive long term incentive (LTI) payments was wound up during the year and 860,139

shares were sold in November 2022 for $4.7m.

Cents per share

2023

$M

2022

$M

Dividends declared and paid

Final dividend for 2021 10.2 – 139

Interim dividend for 2022 8.0 – 109

Final dividend for 2022 12.0 166–

Interim dividend for 2023 8.7 120 –

286 248

The imputation credit account was in a surplus balance at 31 March 2023, as legally required. At 30 June 2023, no imputation credits

were available (2022: $nil) as the imputation credit account had a deficit of $39 million (2022: deficit of $39 million) due to the

timing of the interim dividend payment.

20232022

Earnings per share

Profit for the year attributable to owners of the parent ($m)103469

Weighted average ordinary shares 1,400 1,400

less weighted average treasury shares (15) (33)

Weighted average ordinary shares for earnings per share (millions) 1,385 1,367

Basic and diluted earnings per share (cents)7.4 434.32

NOTE D2. BORROwINGS

Borrowing currency

denominationMaturity Coupon

2023

$M

2022

$M

Debt measured at amortised cost

Bank facilitiesNZDVariousFloating57 226

Commercial paper programmeNZD< 3 monthsFloating300 255

Capital bonds - MCY020NZDJul-20493.60%302302

Debt in fair value hedge relationships

USPP – US$30mUSDDec-20224.35%–48

Wholesale bondsNZDMar-20235.79%– 25

USPP – US$45mUSDDec-20254.60%70 71

Green retail bonds - MCY040NZDSep-20262.16%179 180

Green retail bonds - MCY030NZDSep-20271.56%172 172

Green retail bonds - MCY060NZDJun-20285.64%156 –

Green wholesale bondsAUDNov-20282.92%193 195

Green wholesale bondsNZDOct-20301.92%119 119

Capital bonds - MCY050NZDMay-20525.73%245 252

Lease liabilities113 120

Deferred financing costs(8)(9)

Total carrying value of loans1,898 1,956

Current375561

Non-current1,5231,395

1,8981,956

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

48

NOTE D2. BORROwINGS (CONTINUED)

Current borrowings include all drawn bank facilities, borrowings with a contractual maturity of less than one year, accrued interest and

current lease liabilities. Undrawn borrowing facilities at 30 June 2023 totalled $295m, net of Commercial Paper on issue.

Borrowings are recognised initially at fair value, net of transaction costs incurred. Borrowings are subsequently measured at amortised

cost, with the exception of the USPP, capital bond (MC050) and Green bonds. When the group applies fair value hedges to borrowings,

the carrying value of the borrowings are adjusted for fair value changes attributable to the risk being hedged. Fair value is calculated

using the discounted cashflow method, with applicable market yield curves adjusted for the Group's credit rating.

CHANGES IN BORROwINGS FROM FINANCING ACTIVITIES

2023

$M

2022

$M

Borrowings at the start of the year1,956 1,491

Net cash borrowed/(repaid)(35) 229

Cash paid on principal of lease liability(9)(6)

Debt acquired from Tilt–251

Non-cash change in lease obligations263

Non-cash change in fair value adjustment(17) (69)

Non-cash change in deferred financing costs1 (3)

Borrowings at the end of the year1,898 1,956

BANK FACILITIES

The Group has $650 million of committed and unsecured bank

loan facilities as at 30 June 2023 (30 June 2022: $750 million).

COMMERCIAL PAPER PROGRAMME

The Group has a $400 million Commercial Paper programme

which is fully backed by committed and undrawn bank facilities.

Notes issued under the programme are short-term money

market instruments, unsecured and unsubordinated and

targeted at professional investors. The programme is rated

A2 by S&P Global.

GREEN BONDS

The Group has $908 million of green bonds as at 30 June 2023

(30 June 2022: $757 million). The green bond proceeds have been

tracked in accordance with the Green Financing Framework. On 19

June 2023 Mercury issued $150 million of new 5-year unsecured,

unsubordinated, fixed rate green bonds (MCY060). The MCY060

bonds are due to expire on 19 June 2028 and have fixed interest

rate of 5.64% per annum.

USPP

The group has $59 million of United States Private Placement

(USPP). The group uses a cross currency interest rate swaps

(CCIRS) to manage foreign exchange and interest rate risks on

the notes. While the NZ dollar amount required to repay the

USPP is fixed as a result of the CCIRS, the USPP is required to

be translated to NZD at the spot rate at the reporting date.

Any revaluation of the USPP as a result of this translation is

offset by the change in the value of the CCIRS.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

DEEDS

The Group has entered into a Master Trust Deed and Supplementary

Trust Deeds for all its NZD denominated Senior Fixed and Floating

Rate Bonds with the New Zealand Guardian Trust Company Limited,

acting as trustee for the holders. The Group has agreed, subject to

certain exceptions, not to create or permit to exist a security interest

over or affecting its assets to secure indebtedness, and to maintain

certain financial covenants. There has been no breach of the terms

of these deeds.

The Group has entered into a negative pledge deed in favour of its

bank financiers in which the Group has agreed, subject to certain

exceptions, not to create or permit to exist a security interest over

or affecting its assets to secure its indebtedness, and to maintain

certain financial ratios in relation to the Group. These undertakings

and covenants also apply to the US Private Placement terms and

conditions. There was no breach of the terms of this deed or the

terms and conditions of the US Private Placement.

LEASE LIABILITIES

The Group has entered into various lease contracts for the

right to use land & buildings and office equipment and is

also deemed to be a lessee of transmission equipment. The

most significant leases relate to office buildings in Auckland

and Tauranga. Lease payments of $15m were made in 2023,

including lease interest expense of $6m (2022: payments of

$11m, lease interest expense of $5m).

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

49

NOTE D3. COMMITMENTS AND

CONTINGENCIES

Capital

Commitments

2023

$M

2022

$M

Within one year 134 157

One to five years 67 85

Later than five years –3

201 245

Capital commitments include purchases of both property, plant

and equipment (PP&E) and intangibles. PP&E commitments

include contracts for construction of wind generation assets

at Kaiwera Downs, refurbishment of hydro generation assets

at Karāpiro and well drilling campaigns in 2024 and 2025.

Intangible commitments are contracts to purchase New Zealand

emissions trading scheme (NZ ETS) units. In the event the NZ

ETS is terminated the existing forward purchase agreements,

which cover the five year period from the end of the reporting

period, will also terminate.

Contingencies

On 7 June 2021, the Kawerau geothermal power station experienced

an unplanned outage as a result of a mechanical failure. An outage

was completed in June 2023 to install replacement equipment.

The Group received an initial payment of $26m recorded as income

in 2022, and expects to receive additional insurance proceeds in

the 2024 financial year once the total loss to the Group as a result

of the incident has been confirmed. It is not currently practical

to estimate the value of additional insurance receipts, therefore

no additional revenue is recognised.

The Group holds land and has interests in fresh water and

geothermal resources that are subject to claims that have

been brought against the Group and the Crown.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

The Pouakani Claims Trust No 2 and a group of kaumatua have

filed a claim in the Māori Land Court seeking a declaration that

certain parts of the Waikato riverbed on which Mercury operates

hydro assets are Māori customary land, including the riverbed

beneath the Whakamaru, Maraetai I and II and Waipapa dams

and certain related powerstations. The claim has been amended

to include interests in the water flowing over the riverbed. Mercury

holds the fee simple or beneficial title to those parts of Waikato

riverbed beneath the Whakamaru, Maraetai I and II and Waipapa

dams and has received advice that if the outcome of the claim

adversely affects the Group’s title to, or ability to access or operate

its hydro assets, Mercury may bring a claim seeking compensation

against the Crown. The claim is currently subject to a judicial review

challenge to the Māori Land Court’s decision to decline Mercury’s

application to strike out parts of the claim. Mercury’s judicial

review was partially successful in the High Court. The High Court

decision is now subject to appeals by the applicants, the Crown

and Mercury. The applicants have also filed a related claim in the

Waitangi Tribunal pursuant to the Treaty of Waitangi Acy 1975, but

have not yet taken any further steps in relation to that claim.

The Group holds land at Maraetai, Waikato that was subject

to a remedies hearing brought against the Government in the

Waitangi Tribunal. The remedies hearing related to an application

seeking binding recommendations for the resumption of land at

Pouakani, including the Group’s land at Maraetai. The Crown and

Ngāti Kahungunu ki Wairarapa Tāmaki nui-ā-Rua Settlement

Trust signed a settlement deed addressing the resumption claim,

and settlement legislation has now been enacted to bring this

claim to an end. Wairarapa Moana Incorporation has issued a

further claim against the Crown claiming the Ngāti Kahungunu

ki Wairarapa Tāmaki nui-ā-Rua settlement breaches the New

Zealand Bill of Rights Act 1990. Mercury is not a party to this

claim. Mercury has received advice that if a resumption claim

succeeded, Mercury would have rights of recourse against the

Crown for compensation as if the property had been taken under

the Public Works Act 1981.

A separate claim by the New Zealand Māori Council relating to

fresh water and geothermal resources was lodged in 2012 with

the Waitangi Tribunal. The Tribunal concluded that Māori have

residual (but as yet undefined) proprietary rights in fresh water

and geothermal resources and it will be for the Government

to determine how any such rights and interests may best be

addressed. The Tribunal has recently indicated its intention to

progress to stage three of that inquiry, and the inquiry is currently

at the interlocutory (pre-hearing) phase. The impact of this claim

on the Group’s operations, and consequently the amount of any

claim or recourse the Group may have should that impact be

adverse to the Group’s interests, are unknown at this time.

From time to time the Group will issue letters of credit and

guarantees to various suppliers in the normal course of business.

However, there is no expectation that any outflow of resource

relating to these letters of credit or guarantees will be required

as a consequence.

The Group has no other material contingent assets or liabilities.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

50

NOTE D4. CASH & CASH EQUIVALENTS

2023

$M

2022

$M

Profit for the year103469

Items classified as investing or financing activities:

• Dividend income from Tilt Renewables Limited–(5)

Adjustments for non-cash movements:

• Change in interest accrual (6) 1

• Gain on revaluation of NOW New Zealand shares (12)–

• Gain on disposal of shares in Tilt Renewables Limited– (367)

• Depreciation and amortisation 344 293

• Impairment 12 –

• Loss on revaluation of generation assets41–

• Amortisation of contract assets and costs to profit or loss 41 8

• Net gain/(loss) on sale of property, plant and equipment– 2

• Change in the fair value of unrealised financial instruments 178 85

• Change in the fair value of carbon units held for trading36(3)

• Movement in effect of discounting on long-term provisions 3 5

• Share of earnings of associate and joint venture companies (5) 5

• Close-out of electricity swap and non-cash amortisation of acquired swap value– 43

• Increase in deferred tax (61) (50)

Net cash provided by operating activities before change in assets and liabilities 674 486

Change in assets and liabilities during the year:

• Increase in trade receivables and prepayments (48)(141)

• (Decrease)/increase in inventories 3 (67)

• Increase in contract assets and costs, net of amortisation (58)–

• (Decrease)/increase in trade payables and accruals (23)61

• Increase/(decrease) in provision for tax 30 13

Net cash inflow from operating activities 578 352

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

NOTE E1. INVESTMENT IN AND ADVANCES TO ASSOCIATES AND JOINT ARRANGEMENTS

(JOINT VENTURES AND JOINT OPERATIONS)

The Group financial statements include the following:

Interest held

Name of entityPrincipal activityType

Accounting

Method20232022Country

TPC Holdings LimitedInvestment holdingAssociateEquity25.00%25.00%New Zealand

NOW New Zealand LimitedBroadband ISPAssociateEquityN/A48.46%New Zealand

RotokawaSteamfield operationJoint operationFair value64.80%64.80%New Zealand

Ngā Awa PūruaElectricity generationJoint operationFair value65.00%65.00%New Zealand

EnergySource LLCInvestment holdingJoint ventureEquity20.86%20.86%United States

EnergySource Minerals LLCMineral extractionJoint ventureEquity18.41%18.99%United States

In December 2022 the Group acquired the remaining 51.54% shareholding in NOW New Zealand Limited. In accordance with NZ

IFRS 3

Business Combinations, the Group's existing stake was remeasured to fair value (from $4m to $16m) resulting in a gain of

$12m reported in the income statement with the entire investment subsequently being reclassified as a wholly owned subsidiary.

Further detail on the acquisition can be found in the General Information and Significant Matters note.

AssociatesJoint ventures

2023

$M

2022

$M

2023

$M

2022

$M

Balance at the beginning of the year 67 77 6 9

Additional investment during the year–– 3 –

Share of earnings 4 (2) 2 (3)

Share of movement in other comprehensive income and reserves 11 (2)––

Distributions received during the year (6) (6) (3)–

Reclassification of NOW to subsidiary (16)–––

Fair value revaluation of NOW during the year 12 –––

Balance at the end of the year 72 67 8 6

At the end of the year the Group had outstanding advances to its Rotokawa joint venture partner in the amount of $4 million

(2022: $4 million) and its associate TPC Holdings Limited of $4 million (2022: $4 million).

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

51

The long-term advance to our Rotokawa Joint Venture partner

of $3 million (2022: $4 million) carries a floating interest rate.

Repayments under the advance are linked to the level of receipts

under the geothermal energy supply agreement. There is no fixed

repayment date; the agreement will terminate on receipt of any

outstanding balances.

No related party debts have been written off, forgiven, or any

impairment charge booked.

Transaction value

2023

$000

2022

$000

Key management personnel

compensation (paid and payable)

comprised:

• Directors’ fees1,1011,030

• Benefits for the Chief Executive

and Senior Management:

Salary and other short-term

benefits 7,04 46,564

Termination benefits––

Share-based payments680561

8,8258,155

The increase in Director’s fees is due to the addition of two new

directors in the current financial year. The total shareholder approved

director fee pool has been increased pro-rata to accommodate

the new directors in accordance with the NZX Listing Rules.

Other transactions with key management personnel

Key management personnel are those people with responsibility

and authority for planning, directing and controlling the activities

of the Group. Key management personnel for the Group are

considered to be the Directors and Senior Management.

A number of Directors also provide directorship services to other

third party entities.

A number of key management personnel provide directorship

services to subsidiaries and other third party entities as part of

their employment without receiving any additional remuneration.

A number of these entities transacted with the Group.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

NOTE E2. RELATED PARTY TRANSACTIONS

MAJORITY SHAREHOLDER

The majority shareholder of Mercury NZ Limited is the Government.

Transactions cover a variety of services including energy, postal,

travel and tax.

TRANSACTIONS wITH RELATED PARTIES

The Group entered into a number of contracts with other Crown-

controlled entities to hedge against wholesale electricity price

risk, the most significant being a virtual asset swap with Meridian

Energy Limited which has a remaining life of 2.5 years and a

contract for difference with Genesis Energy Limited for generation

produced at the Waipipi wind farm.

Mercury NZ Limited also has investments in subsidiaries, associates

and joint arrangements, all of which are considered related parties.

As these are consolidated financial statements, transactions

between related parties within the Group have been eliminated.

Consequently, only those transactions between entities which have

some owners external to the Group have been reported below:

Transaction value

2023

$M

2022

$M

Associates

• Management fees and service

fees received 18 13

• Energy contract settlements

received 2 21

• Service fees paid 7 4

Joint operations

• Management fees and service

agreements received and paid 21 18

• Energy contract settlements

received–10

• Interest Income 1 –

An advance to TPC Holdings Limited of $4 million (2022: $4 million)

is interest free and is repayable on demand subject to certain

conditions being met.

The Group purchases directors and officers insurance for the

benefit of key management personnel in relation to the services

they provide to the Group.

NOTE F1. DERIVATIVE FINANCIAL

INSTRUMENTS

The Group uses a range of derivative contracts in order to manage

risk and hedge against cash flow and fair value volatility. It is the

Group's policy to apply hedge accounting to reduce volatility in

profit or loss, and where possible, derivatives are hedge accounted

under NZ IFRS 9 as either cash flow or fair value hedges.

Interest rate and cross currency interest rate derivatives

Interest rate swaps and cross currency derivatives are used

to managed interest rate risks. Interest rate swaps where we

pay-fixed, and receive-floating interest rates are designated

as cash flow hedges in a relationship with a portion of floating

rate debt exposure. Interest rate swaps where we receive-fixed,

pay-floating interest rate are designated as fair value hedges in

a relationship with the swap rate on fixed rate bonds. Cross-

currency swaps are designated as both fair value and cash flow

hedge relationships with the USPP and Australian denominated

Green wholesale bond (refer note D2), depending on the

component of the debt being hedged: the risk free (swap) rate

as a fair value hedge; and the credit margin as cash flow hedge.

Foreign exchange derivatives

Foreign exchange forward contracts are designated as cash flow

hedges in a relationship with forecast purchases of inventory and

capital equipment, mainly for maintenance and construction of

generation assets.

Electricity contracts

Where possible, electricity price derivatives are designated as cash

flow hedges in a relationship with forecast electricity sales and

purchases. Exceptions are swaps and options used for trading

(electricity futures, options and financial transmission rights)

as well as other contracts that have been deemed not eligible for

hedge accounting due to price reset mechanisms (e.g. Manawa

contract) or contracts with variable volume structures (e.g. wind

and solar power purchase agreements).

The fair values of derivative financial instruments are

summarised below:

2023

$M

Restated

2022

$M

CURRENT ASSETS

Electricity price derivative 190276

Interest rate derivative 11 23

Cross currency interest rate

derivative –9

Foreign exchange derivative–3

201 311

CURRENT LIABILITIES

Electricity price derivative 133 259

Interest rate derivative 44 28

Cross currency interest rate

derivative 9 4

Foreign exchange derivative–1

186 292

NON-CURRENT ASSETS

Electricity price derivative 224 335

Interest rate derivative 6 11

Cross currency interest rate

derivative 13 13

243 359

NON-CURRENT

LIABILITIES

Electricity price derivative 180 285

Interest rate derivative 73 104

Cross currency interest rate

derivative 10 10

263 400

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

52

NOTE F1. DERIVATIVE FINANCIAL INSTRUMENTS (CONTINUED)


Change in fair value of financial instruments2023

$M

2022

$M

Realised gain/(loss) on unhedged electricity swaps 6–

Unrealised change in the fair value of financial instruments through income statements (178) (85)

Change in fair value of derivative financial instruments per income statement (172)(85)

The unrealised changes in fair values of financial instruments recognised in the income statement and other comprehensive income

are summarised below:

Income statement

Other comprehensive

income

2023

$M

2022

$M

2023

$M

2022

$M

Cross currency interest rate derivatives (14) (8) – –

USPP bond & AUD Green Bond in fair value hedge relationship 13 8 – –

Movement in fair value of borrowing derivatives (1)– – –

Electricity price derivatives (188)(68) 211 (8)

Interest rate derivatives (including Green bond fair value change) (6)(15) 2 66

Foreign exchange rate derivatives–1 (1)1

Ineffectiveness of cash flow hedges recognised in the income statement 17 (3)––

Total change in fair value of derivative financial instruments (178)(85) 212 59

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

MOVEMENT IN CASH FLOw HEDGE RESERVE ON HEDGED UNREALISED GAINS/LOSSES

2023

$M

2022

$M

Opening balance (245)(268)

Effective portion of cash flow hedges recognised in the reserve 212 59

Amount transferred to balance sheet 2 (1)

Equity accounted share of associates’ movement in other comprehensive income 11 1

Transfer of share of associates' reserves to profit or loss upon disposal–(20)

Tax effect of movements (60)(16)

Closing balance (80)(245)

Unrealised gains and losses on hedged derivatives are recognised in the cash flow hedge reserve and other comprehensive income.

When the gains or losses are realised, they are released from the cash flow hedge reserve to the balance sheet or profit and loss

in line with the underlying hedged item.

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

53

NOTE F1. DERIVATIVE FINANCIAL INSTRUMENTS (CONTINUED)

Restated 30 June 2022

Quoted

market price

Market

observable

inputs

Non-market

observable

inputsTotal

Valuation technique

Level 1

$M

Level 2

$M

Level 3

$M$M

Financial assets

Derivative instruments

• Electricity price derivatives19– 592611

• Interest rate derivatives–34–34

• Cross currency interest rate derivatives–22–22

• Foreign exchange rate derivatives–3–3

1959 592 670

Financial liabilities

Derivative instruments

• Electricity price derivatives46–498544

• Interest rate derivatives–133–133

• Cross currency interest rate derivatives–14–14

• Foreign exchange rate derivatives–1–1

46 148 498 692

Net financial asset/(liability)(27)(89)94(22)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

AREA OF KEY JUDGEMENT

FAIR VALUE ESTIMATION

Valuation Techniques

All fair value balances are assigned to a fair value hierarchy levels as defined by NZ IFRS 13 Fair Value Measurement.

No transfers occurred between hierarchy levels in 2023.

The following table provides a breakdown of the fair value of derivatives by the source of key valuation inputs:

30 June 2023

Quoted

market price

Market

observable

inputs

Non-market

observable

inputsTotal

Valuation technique

Level 1

$M

Level 2

$M

Level 3

$M$M

Financial assets

Derivative instruments

• Electricity price derivatives33–381414

• Interest rate derivatives–17–17

• Cross currency interest rate derivatives–13–13

33 30 381 444

Financial liabilities

Derivative instruments

• Electricity price derivatives45–268313

• Interest rate derivatives–117– 117

• Cross currency interest rate derivatives–19–19

45 136 268 449

Net financial asset/(liability)(12)(106)113(6)

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

54

NOTE F1. DERIVATIVE FINANCIAL INSTRUMENTS (CONTINUED)

Valuation of Level 1 Financial Instruments

Level 1 financial derivatives includes ASX futures and financial transmission rights with fair values

determined using quoted prices. These prices represent regularly occurring market transactions on an

orderly basis.

Valuation of Level 2 Financial Instruments

The fair values of level two derivatives are determined using discounted cash flow models. Listed below

are the Level 2 derivatives and the key inputs to the valuation model.

DerivativeValuation Input

Cross Currency Interest Rate Swaps (CCIRS)Forward interest rate price curve and foreign

exchange rate curve

Interest Rate SwapsForward interest rate curve

Foreign Exchange ContractForward foreign exchange rate curves

VALUATION PROCESS OF LEVEL 3 FINANCIAL INSTRUMENTS

The Group uses various methods in estimating the fair value of a financial instrument. Where the fair

value of a derivative is calculated as the present value of the estimated future cash flows of the instrument

there are two key inputs being used:

20232022

Price path $73/MWh to $153/MWh$76/MWh to $194/MWh

Discount factor0.31 to 0.930.21 to 0.97

The wide range in discount factors are driven by entering into longer term derivative contracts.

The selection of valuation inputs requires significant judgement, and therefore there is a range of

reasonably possible assumptions in respect of these inputs that could be used in estimating the fair

values of these derivatives. Maximum use is made of observable market data when selecting inputs and

developing assumptions for the valuation technique.

Reconciliation of level 3 unrealised fair value movements

The unrealised Level 3 fair value movements in the Group's income statement are recognised within 'change

in the fair value of financial instruments', along with realised gains/losses on financial instruments not in a

hedging relationship.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

Fair value through other

comprehensive income

Fair value through

profit or lossTotal

2023

$M

2022

$M

2023

$M

2022

$M

2023

$M

2022

$M

Opening balance (257)(284) 351 2594(259)

Acquired contracts–––345–345

New contracts 23 (76)10(12)32(88)

Matured contracts 66 30 17 68336

Gains and losses

• Through the income statement–– (188)(13)(188)(13)

• Through other comprehensive income 91 73––9173

Closing balance (78)(257) 191 35111394

Level 3 Sensitivity Analysis

The following summarises the potential impact of increases or decreases in

price risk exposures of the Group on post tax profit. Sensitivity analysis is based

on an assessment of the reasonably possible movements in forward price.

The electricity sensitivities disclosed below do not include level 1 electricity

derivatives. Refer to note F2 for sensitivity analysis on all electricity derivatives.

Impact on post tax profit

2023

$M

2022

$M

Group

Electricity forward price increased by 10%4850

Electricity forward price decreased by 10%(36)(45)

Deferred ‘inception’ gains/(losses)

There is a presumption that when derivative contracts are entered into at an

arm's length basis that the fair value at inception is zero. The contract price of

non exchange traded electricity derivative contracts are agreed on a bilateral

basis, the pricing for which may differ from the prevailing derived market price

curve for a variety of reasons. In these circumstances an inception adjustment

is made to bring the initial fair value of the contract to zero at inception. This

inception adjustment is amortised over the life of the contract by adjusting

the future price path used to determine the fair value of the derivatives by a

constant amount to return the initial fair value to zero.

The table below details the movements in inception value gains/(losses)

included in the fair value of derivative financial assets and liabilities as at

30 June.

2023

$M

2022

$M

Electricity price derivatives

Opening deferred inception gains / (losses)2627

Deferred inception gains on new hedges1710

Deferred inception (losses)/gains realised

during the year(4)(11)

Closing inception gains3926

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

55

NOTE F2. FINANCIAL RISK MANAGEMENT

The Group's overall risk management programme focuses on the unpredictability of financial markets and seeks to proactively manage

these risks with the aim of protecting shareholder wealth. Exposure to price, credit, foreign exchange, liquidity and interest rate risks

arise in the normal course of the Group's business. The Group's principal financial instruments comprise cash and cash equivalents,

trade receivables and accruals (not prepayments), advances, payables and accruals, borrowings and derivative financial instruments.

(A) MARKET RISK

Nature of risk exposureRisk Management Policy

Electricity price

The Group is exposed to movements in the spot price of electricity

arising from the sale and purchase of electricity in the market.

The Group enters into electricity derivative contracts, including

swaps, futures, options and PPAs that establish a fixed price

at which future quantities of electricity are purchased and

sold. The electricity contracts are periodically settled with any

difference between the contract price and the electricity spot

price settled between the parties. Cash flow hedge accounting

is applied.

Foreign exchange

The Group is exposed to foreign exchange risk as a result of

transactions denominated in a currency other than the Group's

functional currency. The currencies giving rise to this risk are

primarily US Dollar, Japanese Yen, Euro, Yuan and AU Dollar.

The Group's policy is to enter into forward exchange

contracts to hedge its committed foreign denominated

expenditure programme.

Interest rate

The Group has exposure to interest rate risk to the extent that

it borrows for fixed terms at floating interest rates.

The Group uses mostly interest rate swaps and rarely interest

rate options to manage this exposure.

Derivatives in designated

hedging relationships

ElectricityForeign ExchangeInterest Rate

2023

$M

2022

$M

2023

$M

2022

$M

2023

$M

2022

$M

Notional amount3,613 3,367 31 49 2,061 2,067

Maturity1- 16 years1- 31 years1 year1 year0- 10 years0- 10 years

Carrying amount - asset414 611 – 3 17 166

Carrying amount - liability (313) (544)– (1) (117) (133)

Recognised in OCI (188) (68)– 1 (7) (15)

Ineffectiveness 9 (6)–– 7 3

Hedge Ratio*1:11:11:11:11:11:1

At inception, each hedge relationship is formalised in hedge documentation. Hedge accounting is discontinued when the hedge instrument

expires or is terminated, exercised or no longer qualifies for hedge accounting. The Group determines the existence of an economic

relationship between the hedging instrument and the hedged item based on the amount and timing of respective cashflows, reference

interest rates, currency, maturities and notional amounts. The Group assesses whether the derivative designated in each hedging relationship

is expected to be, and has been, effective in offsetting the changes in cash flows of the hedged item using the hypothetical derivative method.

The Group’s policy is to designate derivatives in hedge relationships on inception when their fair value is zero, applying a hedge ratio of

1:1. The main source of ineffectiveness for electricity contracts relates to the difference between the market price and the strike price at

inception of the contracts.

For interest rate derivatives, the weighted average hedge rate for cashflow hedges (receive floating, pay fixed rate) is 3.6% (2022:

3.6%) and for fair value hedges (pay fixed, receive floating) is 2.5% (2022: 1.8%)

Market risk sensitivity analysis

The following summarises the potential impact of increases or decreases in the relevant market risk exposures of the Group on post

tax profit (unhedged derivatives) and on other components of equity (hedged derivatives) from the change in the derivative valuation.

The analysis does not take into account dynamic market response over time, which could be material. The electricity sensitivities

disclosed below include level 1 derivatives.

Impact on post tax profitImpact on equity

2023

$M

2022

$M

2023

$M

2022

$M

Group

Electricity forward price increased by 10%5045(62)(69)

Electricity forward price decreased by 10%(34)(40)6270

Forward foreign exchange rates increased by 10%––(2)(3)

Forward foreign exchange rates decreased by 10%––24

Interest rates higher by 100 bps (28)(31)614

Interest rates lower by 100 bps2933(6)(15)

(B) CREDIT RISK

Nature of risk exposureRisk Management Policy

The carrying amounts of financial assets

recognised in the balance sheet best represent

the Group's maximum exposure to credit risk

at the reporting date without taking account

of any collateral held by way of customer bonds.

The Group manages its exposure to credit risk under policies approved by the Board of

Directors. The Group performs credit assessments on all electricity customers and normally

requires a bond from commercial customers who have yet to establish a suitable credit

history. In the event of a failure by a retailer to settle its obligations to the Energy Clearing

House, following the exhaustion of its prudential security, a proportionate share of the

shortfall will be assumed by all generator class market participants. The Group would be

impacted in the event that this occurs. It is the Group's policy to only enter into derivative

transactions with banks that it has signed an ISDA master agreement with, and which have

a minimum long-term Moody's (or equivalent) credit rating of A- or higher.

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

56

NOTE F2. FINANCIAL RISK MANAGEMENT (CONTINUED)

(C) LIQUIDITY RISK

Nature of risk exposureRisk Management Policy

Liquidity risk is the risk

that the Group will not be

able to meet its financial

obligations as they fall

due.

The Group manages its exposure to liquidity risk

under policies approved by the Board of Directors.

Policies require that prescribed headroom is

available in undrawn and committed facilities

to cover unplanned needs and that a limited

amount of facilities mature over the immediate

12 month forward-looking period. The Group's

objective is to maintain a balance between

continuity of funding and flexibility through the

use of various funding sources.

The following liquidity risk disclosures reflect all contractually fixed payoffs,

repayments and interest from recognised non-derivative financial liabilities.

The timing of cash flows for non-derivative financial liabilities is based

on the contractual terms of the underlying contract.

The information on contractual cashflows are presented on an undiscounted

basis, consequently the totals will not reconcile with the amounts recognised

in the balance sheet.

• Net settled derivatives include interest rate derivatives and electricity

price derivatives.

• Gross settled derivatives relate to foreign exchange derivatives

that are used to hedge future purchase commitments.

• Foreign exchange derivatives may be rolled on an instalment basis until the

underlying transaction occurs. While the maturity of these derivatives are short-

term the underlying expenditure is forecast to occur over different time periods.

The Group also expects to receive funds relating to derivative asset settlements.

While the following table gives the impression of a liquidity shortfall, the

analysis does not take into account expected future operating cash flows

or committed and undrawn debt facilities that will provide additional liquidity

support. The expectation of cash receipts in relation to derivative assets

should also be considered when assessing the ability of the Group to

meet its obligations.

Less than 6 months

$M

6 to 12 months

$M

1 to 5 years

$M

Later than 5 years

$M

Total

$M

30 JUNE 2023

Liquid financial assets

Cash and cash equivalents 75 – – – 75

Receivables 440 – 1 – 441

Non derivative financial liabilities

Payables and accruals (344) – – – (344)

Borrowings (383) (28) (840)(1,793) (3,044)

Lease liabilities (7) (7) (55)(88) (157)

Derivative financial liabilities

Derivative liabilities - net settled

Electricity price derivatives(30)(48)(163)4(238)

Interest rate derivatives(23)(23)(69)(12)(128)

Cross currency interest rate derivative(5)(5)(7)8(9)

Derivative liabilities - gross settled

Foreign exchange derivatives inflows 31 – – – 31

Foreign exchange derivatives outflows (31) – – – (31)

Net outflows(276)(112) (1,134)(1,881)(3,403)

Less than 6 months

$M

6 to 12 months

$M

1 to 5 years

$M

Later than 5 years

$M

Total

$M

RESTATED 30 JUNE 2022

Liquid financial assets

Cash and cash equivalents 65 – – – 65

Receivables 489 – 3 – 492

Non derivative financial liabilities

Payables and accruals (383) – – – (383)

Borrowings (545)(49)(454)(1,918)(2,966)

Lease liabilities (7)(7)(58)(99)(171)

Derivative financial liabilities

Derivative liabilities - net settled

Electricity price derivatives(121)(120)(281)5(516)

Interest rate derivatives(12)(16)(88)(18)(135)

Cross currency interest rate derivative(1)(3)(19)7(16)

Derivative liabilities - gross settled

Foreign exchange derivatives inflows 51 – – – 51

Foreign exchange derivatives outflows (49) – – – (49)

Net outflows(514)(195)(897)(2,023)(3,629)

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

MERCURY INTEGRATED REPORT 2023
LOOKING AT THE NUMBERS

MENU

57

NOTE F2. FINANCIAL RISK MANAGEMENT

(CONTINUED)

(D) CAPITAL RISK MANAGEMENT

Management seeks to maintain a sustainable financial structure

for the Group having regard to the risks from predicted short and

medium-term economic, market and hydrological conditions

along with estimated financial performance. Capital is managed

to provide sufficient funds to undertake required asset reinvestment

as well as to finance new generation development projects and

other growth opportunities to increase shareholder value at a rate

similar to comparable private sector companies.

In order to maintain or adjust the capital structure, changes can be

made to the amount paid as dividends to shareholders, capital can

be returned or injected or assets sold to reduce borrowings.

Consistent with other companies in the industry, the Group

monitors capital on the basis of its gearing ratio. This ratio

is calculated as net debt divided by total capital. Net debt is

calculated as total borrowings (both current and non-current)

less cash and cash equivalents. Total capital is calculated

as shareholders' equity plus net debt. The gearing ratio is

calculated below:

2023

$M

2022

$M

Borrowings at carrying value1,8981,956

Fair value adjustments8470

Less cash and cash equivalents(75)(65)

Net debt1,9071,961

Total equity4,8494,752

Total capital6,756 6,713

Gearing ratio28.2%29.2%

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS.

For the year ended 30 June 2023

Under the negative pledge deed in favour of its bank financiers

the Group must, in addition to not exceeding its maximum gearing

ratio, exceed minimum interest cover ratios and a minimum

shareholder equity threshold.

The Group seeks to maintain a debt to EBITDAF ratio of less

than 3.0 times, on average through time, to maintain credit

metrics sufficient to support its credit rating on an on-going

basis. For the purpose of calculating this ratio and consistent

with the rating agency treatment, adjustments are made to net

debt and EBITDAF based on the definitions provided by the

rating agency. For the year ended 30 June 2023, the Group

had a debt to EBITDAF ratio of 2.0 times (2022: 2.9 times).

NOTE G1. SHARE-BASED PAYMENTS

Long-term Incentive Plan

The Group operates an equity-settled share based long-term

incentive (LTI) plan for senior executives. The plan is designed

to enhance the alignment between shareholders and those

executives most able to influence the performance of the Group.

Under the plan executives are granted the shares at nil cost if certain

total shareholder return targets are met. Performance is measured

against a combination of: i) other electricity generators who are listed

on the NZX; and (ii) out performance against the Group's internal

return on capital hurdles. The plan is due to vest in July 2024 and

July 2025.

Each LTI plan provides the board with a level of discretion and

represents the grant of in-substance nil-price options to executives.

During the year the Group expensed $680,022 in relation to equity-

settled share based payment transactions (2022: $561,274).

The cost of the share-based payment is recognised over the

period in which the performance or service conditions are

fulfilled. The total amount expensed is based on the Group’s

best estimate of the number of equity instruments that will

ultimately vest, taking into consideration the likelihood that

service conditions will be met, multiplied by the initial fair value

of each share.

Movements in the number of share options are as follows:

20232022

Balance at the beginning of the year 863,879 709,603

Options granted 348,101 256,152

Options expired (57,009)–

Options exercised (224,730) (101,876)

Balance at the end of the year930,241 863,879

358,528 options were exercisable at the end of the year (2022:

224,730) with the remaining options under the plan having a

weighted average life of 1 year (2022: 1.0 year).

NOTE G2. SUBSEQUENT EVENTS & OTHER

MAT T ER S

The Board of Directors has approved a fully imputed final dividend

of 13.1 cents per share to be paid on 29 September 2023.

The Company plans to continue with the DRP announced in the

last financial year, with a DRP strike price to be determined by the

average of daily volume weighted average sale price for a share,

calculated on all price setting trades of shares that took place

through the NZX Main Board over a period of five trading days

starting on 18 September 2023, less a 2% discount.

There are no other material events subsequent to balance date that

would affect the fair presentation of these financial statements.

58
CLIMATE STATEMENT

MENU

MERCURY INTEGRATED REPORT 2023

CLIMATE STATEMENT.

TE TAUĀKI ĀHUARANGI.

In this section we cover how we consider and respond to climate-related risks

and opportunities as we pursue our long-term objective of playing a leading

role in New Zealand's successful transition to a low-carbon future.

Ōhakuri substation, downstream of the hydro station.

MERCURY INTEGRATED REPORT 2023
CLIMATE STATEMENT

MENU

59

CONTENTS.

60 INTRODUCTION

61 GOVERNANCE

64 STRATEGY

70 RISK MANAGEMENT

72 METRICS & TARGETS

MERCURY AND

CLIMATE CHANGE.

Impacts from climate change, actions to reduce

emissions and the transition to a low carbon

economy are shaping the world around us.

Our strategy anticipates that our business will

encounter both climate-related opportunities

and risks as we pursue our objective of playing

a leading role in New Zealand's successful

transition to a low-carbon future.

This climate statement has been prepared

in alignment with the incoming Aotearoa

New Zealand Climate Standards

1

(NZ CS).

These standards were published in December

1

www.xrb.govt.nz/standards/climate-related-disclosures/aotearoa-new-zealand-

climate-standards/aotearoa-new-zealand-climate-standard-1/

Turitea wind farm.

2022 by the External Reporting Board, a NZ

Government agency, and are aligned with the

internationally recognised TCFD framework.

These standards provide a consistent framework

for entities to consider and disclose information

on their climate-related risks and opportunities

with the objective of enabling the users of this

statement to assess and make decisions on

how Mercury is responding to the risks and

opportunities of climate change.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

60

Over the past six years we have improved

our capability to identify, assess and manage

climate-related risks and opportunities.

Our governance approach and disclosure of

these risks and opportunities has evolved over

this period. Our integrated strategy considers

climate-related risks and opportunities, and

we have made changes to our governance

frameworks and remuneration models to ensure

that Mercury's Executive Management Team

(EMT) have appropriate oversight of, and are

actively assessing and managing, these climate-

related risks and opportunities. A summary of

key points in this climate statement are:

• Material climate-related risks and

opportunities are regularly discussed by

our Board and EMT

• Scenario analysis was completed in FY23,

with three scenarios created based on:

– (1) a 1.5-degree future

– (2) a 1.5-2 degree future and

– (3) a greater than 4-degree future

• Based on these scenarios, we have updated

our view of material climate-related

opportunities and risks that could affect

our business

• Material climate-related opportunities have

been identified as those arising from:

– Increase in electricity demand from

decarbonisation

– Investor desire for renewable generation

• Material climate-related risks have been

identified as those arising from:

– Greater variability in weather patterns

leading to changes in generation profile

– Growing intensity of atmospheric conditions

(including storm events) leading to damage

to assets or damage to transmission and

distribution assets

– Government Policy settings failing

to balance the energy trilemma and

leading to a decline in electricity demand

growth, a loss of investor confidence in

the electricity sector, increased costs for

the sector and/or delays in generation

development

– Supply chain constraints driven by rising

global demand for renewable electricity

generation equipment.

We are currently considering the further

actions we can take to reduce our own

emissions to ensure we are doing our part

to mitigate climate change. Further details

of these actions are outlined in our Climate

Transition Action Plan.

DISCLAIMER

Mercury has used best efforts in the preparation of this

Climate-Related Disclosure to provide accurate information

as at 21 August 2023, but cautions reliance being placed on

representations that are necessarily subject to significant

risks, uncertainties or assumptions.

This report contains forward-looking statements, including

climate-related metrics, climate scenarios, estimated climate

projections, targets, assumptions, forecasts and statements

of Mercury’s future intentions. These statements necessarily

involve assumptions, forecasts and projections about

Mercury’s present and future strategies and the environment

in which Mercury will operate in the future, which are

inherently uncertain and subject to limitations, particularly

as to inputs, available data and information which is likely

to change. Mercury has used its best efforts to provide a

reasonable basis for forward-looking statements but is

constrained by the novel and developing nature


of this subject matter. Climate-related forward-looking

statements may therefore be less reliable than other

statements Mercury may make in its annual reporting.

Descriptions of the qualitative and quantitative current

and anticipated impacts and financial impacts of climate

change draw on and/or represent estimated figures only.

In particular, the risks and opportunities described in this

report, and the forecast emissions reductions,


may not eventuate or may be more or less significant

than anticipated. There are many factors that could cause

Mercury’s actual results, performance or achievement

of climate-related metrics (including targets) to differ

materially from that described, including climatic,

government, consumer, and market factors outside of

Mercury’s control.

Nothing in this report should be interpreted as capital

growth, earnings or any other legal, financial tax or other

advice or guidance.

INTRODUCTION.

Aratiatia rapids.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

61

BOARD

Our Board is responsible for overseeing the

management of risks and opportunities for

Mercury including those related to climate

change. Responsibilities are set out in the

Board Charter, and include:

• establishing clear strategic goals with

appropriate supporting business plans

and resources

• monitoring strategy implementation,

financial performance and the integrity

of reporting

• ensuring that effective audit, risk

management and compliance systems

are in place and monitored.

A committee of the Board - the People and

Performance Committee – supports the

Board to set the approach to remuneration,

including incorporating climate-related

matters in the Short-Term incentive

component of remuneration.

RISK ASSURANCE AND AUDIT COMMITTEE

(RAAC)

A committee of the Board – The Risk Assurance

and Audit Committee (RAAC) supports the

Board in overseeing climate-related risks.

The Board itself has responsibility for climate-

related opportunities. Members of the EMT also

attend RAAC meetings to ensure appropriate

support for the RAAC and facilitate feedback

and discussion. The RAAC meets at least

quarterly and is responsible for overseeing,

reviewing and making recommendations to

the Board on our risk management policy and

processes, including climate-related risks and

opportunities. The Committee reviews progress

against our risk management framework.

In FY23, the relevant RAAC meetings were

as follows:

• July and August 2022; review and

endorsement of FY22 TCFD report

• February 2023; update on climate-related

disclosures pre-assurance review by EY

• May 2023; update on FY23 climate scenario

analysis and risk and opportunity identification

- including updated climate scenarios for

meeting the requirements of NZ CS1

And in FY24:

• July and August 2023; review and

endorsement of the FY23 Climate Statement

The RAAC provides feedback to management

and back up to the wider Board. At each Board

meeting that follows a RAAC meeting the RAAC

Chair updates the Board on discussions that

took place and decisions reached. Mercury does

not currently consider it necessary to establish

a separate sustainability sub-committee of

the board as sustainability and Kaitiakitanga/

Stewardship are inherent in Mercury’s business

operating model and strategy and are therefore

addressed within existing governance structures.

RISK MANAGEMENT FRAMEwORK

Our risk management framework meets New

Zealand standard AS/NZS ISO 31000 Risk

Management – Principles and guidelines.

Our risk management framework helps us to

identify different categories of risk – compliance

risks, operational risks, reputational risks, financial

risks and people risks. Climate-related risks show

up across many of these categories and are

treated in the same way as other risks across

these categories. More information on our risk

management framework can be found in the

Corporate Governance Statement.

SKILLS AND COMPETENCIES TO PROVIDE

OVERSIGHT OF CLIMATE-RELATED RISKS

AND OPPORTUNITIES

The Board skills matrix specifically includes

climate change. In FY20 the Board reviewed

whether our risk management framework

supported our integrated business planning

process and whether climate-related risks

were adequately captured within this risk

management framework. Given the potential

impact of climate change across Mercury, the

Board amplified climate-related risks within

our consolidated risk register.

In FY21, the Board held an externally

facilitated deep dive into regulatory, economic

and legal aspects of climate-related risks and

opportunities. In May 2021, management

presented its first climate change scenario

analysis report and the outcome of its review

of climate-related risks and opportunities to

the RAAC.

In FY22 and FY23, a cross-functional team

from across the business conducted more in-

depth scenario analysis to highlight emerging

risks and opportunities.

GOVERNANCE.

Ngā Awa Pūrua geothermal station.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

62

The Board seeks internal and external expertise

and advice relating to climate change as required

to ensure that it has up to date information and

can provide appropriate oversight of climate-

related risks and opportunities.

MANAGEMENT’S ROLE IN ASSESSING

AND MANAGING CLIMATE-RELATED RISKS

AND OPPORTUNITIES

The Board delegates to the Chief Executive

and the EMT, responsibility for developing, and

recommending to the Board, strategies to

identify, assess and manage climate-related

risks and opportunities (refer to the Leadership

and Governance section of the FY23 Integrated

Report for further detail). The EMT is also

charged with fostering improved reporting

and disclosure of these risks and opportunities

including the identification of metrics and

targets. Mercury’s management is responsible

for ensuring the business is identifying,

assessing and managing climate-related risks

and opportunities. Mercury’s annual climate-

related risk disclosure process is prepared

by Management with a primary governance

pathway via the RAAC to the Board.

RISK MANAGEMENT COMMITTEE

Our management operates a Risk Management

Committee (RMC) whose mandate is (1) to

promote risk awareness and appropriate risk

management to all Mercury people; and (2) to

monitor and review risk activities as required.

Membership of the RMC is the EMT and is

chaired by the Chief Executive.

The RMC meets prior to every RAAC meeting

and reviews Mercury's risks. This includes

reviewing its approach to climate-related risks

and opportunities which is carried out at least

annually. In FY23 the RMC met six times with

climate-related risks being considered at the

following meetings:

• Twice in July 22 to review FY22 climate risk

disclosures

• Jan 23 to discuss outcomes of a third-

party pre-assurance review of Mercury’s

FY22 climate-related disclosures, and

• April and June 23 to review FY23 climate-

related risks, opportunities and disclosures

In FY23, the RMC endorsed updates to the

company’s climate change scenarios, and

subsequent updates to the climate-related

risks and opportunities.

(Please refer to table on the following page for

more information on specific responsibilities.)

CLIMATE-RELATED RISKS AND

OPPORTUNITIES ARE INCORPORATED INTO

COMPANY STRATEGY DEVELOPMENT

Climate-related risks and opportunities are

also actively considered in the context of

management’s periodic reviews of Mercury’s

strategic framework. The reviews form a

key element of regular stock takes of any

significant market context changes that could

result in either identification of new risks and

opportunities or re-assessment of existing

risks and opportunities, that is, a change in the

likelihood and/or consequence of their impact.

A cross functional business team co-ordinates

contributions from across the business led by the

Sustainability Team reporting through the GM

Sustainability. This work feeds into our updates

to our future scenarios which provide context

when setting our 3-year objectives and long-term

aspirations. These scenarios are reviewed each

quarter by the EMT and the Board. The EMT

undertook these reviews in Aug and Oct 2022

and in Jan, April and May 2023.

MANAGEMENT REMUNERATION IS LINKED

TO MANAGEMENT OF CLIMATE-RELATED

RISKS AND OPPORTUNITIES

The remuneration of the Chief Executive and the

EMT is linked to Mercury’s strategic objectives,

purpose and goals. The Short-Term Incentive

(STI) component of remuneration is set as a

percentage of the executive’s base salary and for

FY23 was set at 60% for the Chief Executive and

up to 35% for other EMT members.

A proportion (70% for the Chief Executive and

50% for other EMT members) of the STI is

related to a shared set of Group Key Performance

Indicators (KPIs) which are aligned to our three

year objectives. The climate-related objectives

and their related KPIs are shown below.

F Y22 & 23

CROSS-FUNCTIONAL TEAM

CONDUCTS FURTHER IN-

DEPTH SCENARIO ANALYSIS TO

HIGHLIGHT EMERGING CLIMATE

RISKS AND OPPORTUNITIES

F Y21 (MAY)

FIRST CLIMATE CHANGE

SCENARIO ANALYSIS REPORT

PRESENTED TO BOARD

FY21

MERCURY BOARD ENGAGES IN

DEEP DIVE ON REGULATORY,

ECONOMIC AND LEGAL ASPECTS

OF CLIMATE-RELATED RISKS AND

OPPORTUNITIES

Ngā Tamariki geothermal station.

More information on the responsibilities and

remuneration of the Chief Executive and the

Executive Management Team can be found

in our Corporate Governance Statement and

Remuneration Report.

Three-Year ObjectiveFY23 KPI FY24 KPI

Play a leading role in New

Zealand’s successful transition

to a low carbon economy

Progress on future

development pipeline

Role in electricity sector

transition progress

Create executable options

for new growth

Clear path to carbon reduction Progress non-condensable

gas reinjection

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

63

BOARD

MERCURY BOARD

Establishes the purpose and strategic direction, oversees and approves risk management strategy and risk appetite and monitors progress against climate-related risks, metrics and targets. Climate-related risks

and opportunities form an integral part of Mercury’s overall risk management framework. All key climate-related risks and opportunities are approved by the Board. In addition to reporting from the

Risk Assurance and Audit Committee (RAAC), the Board receives quarterly updates on key sustainability trends and issues.

RISK ASSURANCE AND AUDIT COMMITTEE

A sub-committee of the Board, the RAAC supports the Board in overseeing risks and opportunities including climate-related risks and opportunities and on the assurance of the CRDs in relation to compliance with the NZ Climate Standards.

Periodically reviews Mercury’s Risk Management Policy and Framework,

to ensure these remain fit for purpose, with appropriate and

effective risk management strategies in place.

Quarterly review of risk reports from management. Each year, the May quarter review

includes climate-related risk assessments and endorsing updated scenarios used in

Mercury’s identification of key climate-related risks and opportunities.

Reports to the Board on the outcomes of RAAC meetings, including discussion

concerning risks and making recommendations to the Board.

EXECUTIVE

CHIEF EXECUTIVE AND EXECUTIVE MANAGEMENT TEAM

Overall accountability for actions and commitments to embed climate change into risk management, business strategy and planning, budgeting processes and frameworks.

Includes identifying, considering and monitoring climate-related risks and opportunities and reporting to the RAAC and the Board.

RISK MANAGEMENT COMMITTEE

The Risk Management Committee (RMC) is a committee of the Executive Management Team (EMT) chaired by the Chief Executive. It meets quarterly.

Promotes risk awareness and appropriate risk management to staff. Monitors

and reviews risk activities at its quarterly meetings.

Reporting is primarily developed by Mercury’s internal experts through the

Risk Assurance Team which includes a Risk Assurance Officer to co-ordinate

management of all company risks. Climate-related risks and opportunities are

reported to the RMC through facilitation by the Sustainability Team.

When appropriate, management engages third-party experts for services

such as auditing, specific climate research or strategic

management consultants.

EXECUTIVE

Ensures the risks in each business area are identified, understood and managed and monitored and escalated appropriately.

Implements risk mitigation strategies approved by

the RMC and RAAC, and where applicable the Board.

Reviews quarterly sustainability updates.

Monitors emerging and developing risks.

For climate-related risks and opportunities this is

facilitated by Mercury’s Sustainability Team which reports

to the General Manager Sustainability. Oversight of risk

reporting is performed by the risk assurance team which

reports to the Chief Financial Officer.

Preparation and presentation of climate-related risk

reports to the RAAC. These reports include action taken to

mitigate risks previously disclosed.

Management remuneration includes incentives tied to climate-related risks and opportunities.

OPERATIONS

At an operational level the identification and day-to-day management of climate-related risks is dispersed throughout Mercury.

OVERVIEw AND RELATIONSHIP BETwEEN RESPONSIBILITIES OF MERCURY BOARD, SUB-COMMITTEES AND MANAGEMENT.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

64

wHAT wE ARE SEEING

Mercury recognises that climate change is currently impacting the way we operate in the following ways:

CURRENT PHYSICAL CLIMATE IMPACTS

PHYSICAL IMPACTS

Extreme weather events in FY23, such as the Auckland Anniversary weekend floods and Cyclone Gabrielle,

caused widespread flooding and property damage. Over 225,000 homes lost power including ~25,000

Mercury customers. The financial impact on Mercury was immaterial from this event but the impact on

some of our customers lives was significant. Recognising these circumstances we elected to delay the

implementation of customer price changes and also issued customer credits of ~$200,000.

Extremely wet weather events throughout the year have resulted in the Taupō catchment receiving inflows of

6,243GWh, the highest aggregated inflows for any 12 month period ending 30 June since records began

in 1927. Hydro generation across the Waikato Hydro Scheme over the same period was 5,209 GWh, the

third highest since records began in 1980. It has not been possible to quantify the impact the changing

climate has played in this outcome.

CURRENT TRANSITION CLIMATE IMPACTS

TRANSITION IMPACTS

Stakeholder desire for greater clarity and understanding of climate impacts on business has led to

increasing climate-related disclosure standards

Mercury engages with regulators and other stakeholders on climate-related initiatives, such as the NZ

Battery Project

1

(sometimes referred to as discussions on Onslow or pumped hydro), seeking to enable

the best pathway for New Zealand to transition to a low-carbon economy

As a participant in the New Zealand Emissions Trading Scheme (ETS), Mercury surrenders emissions

credits for its geothermal fugitive emissions and natural gas sales

Mercury is currently sequestering ~8,000tCO2e p.a. of fugitive geothermal greenhouse gas emissions by

reinjecting non condensable gases from one unit at our Ngā Tamariki geothermal station (about 25% of

the total).

2

We are investigating further opportunities at Ngā Tamariki and other geothermal sites.

As part of its asset management programme, Mercury reviews the capabilities of its hydro structures

against future changes in flood levels due to climate-induced changes in weather patterns

LOOKING FORwARD

SCENARIO ANALYSIS

To help improve our understanding of climate-

related risks and opportunities over the current,

short, medium and long-term and to test the

resilience of our strategy, we undertake scenario

analysis on a regular basis and will continue

to refine and adapt our processes as things

continue to change.

Mercury has previously used external third-party

consultants for guidance, however in FY23 no

external partners or stakeholders were involved

in the scenario analysis process. This was

internally-led as a standalone process developed

by management to comply with NZ CS1 where

a cross-functional workgroup consisting of

representatives from across each of Mercury’s

business units was formed to update and

refresh our climate scenarios. Once complete,

the climate scenarios we developed were closely

aligned to three of our company strategic

scenarios so we amended those strategic

scenarios to incorporate climate-related drivers.

In following this process, Mercury developed a

single set of company scenarios that are used

to identify both strategic and climate-related

risks and opportunities and inform our strategic

decision-making.

The RAAC and the RMC provided governance

oversight of the scenario analysis process

through receiving updates from management

at meetings in February and May 23. These

included reviews of the selected scenarios and

material climate-related risks and opportunities

where feedback was sought by management

and provided.

The Board was also updated on scenario analysis

development and the identification of material

climate-related risks and opportunities as,

after each RAAC meeting, the Chair of the

RAAC provided updates at subsequent Board

meetings.

In accordance with NZ CS1, three scenarios

were analysed – one where global temperature

increase is limited to 1.5 ̊C (with an emissions

reductions pathway aligned to RCP1.5), another

where the temperature rise is greater than 4 ̊C

(aligned to RCP8.5) and a third scenario where

global temperature increase was limited to

1.5-2 ̊C (aligned to RCP2.0). These scenarios

and their associated pathways were chosen to

fulfil the NZ CS1 requirement for a 1.5 degrees

Celsius climate-related scenario, a 3 degrees

Celsius or greater climate-related scenario, and

a third climate-related scenario. In Mercury’s

case, the third scenario was chosen for its

alignment with Mercury’s strategic scenarios.

It provides an alternative view of how New

Zealand could successfully transition to a low-

carbon economy in order to assess the resilience

of Mercury’s business model and strategy to

climate-related risks and opportunities.

Data sources including Transpower demand

forecasts, NIWA

3

temperature and rainfall

forecasts and global predictions of carbon price

rises were used in the creation of these scenarios.

We also considered advice from the Climate

Change Commission and the government’s

Emissions Reduction Plan in shaping our view

of how the economy and the energy sector

could transition towards Net-Zero carbon.

Mercury did not undertake its own modelling

in the construction of its scenarios.

In FY23 Mercury has chosen not to financially quantify the current financial impacts of climate change due to the significant

uncertainty in apportioning impacts to climate but will look to do so in future years where practical.

1

The NZ Battery Project is a climate change initiative being led by the NZ Government to investigate the ability of pumped

hydro, and alternative technologies, to address New Zealand’s dry year electricity problem.

2

Please refer to our GHG Emissions Inventory Report for details on calculation of our emissions.

3

NIWA is the National Institute of Water and Atmospheric Research, a Crown Research Institute of New Zealand.

The boundary for Mercury’s scenario analysis

was the whole of the organisation, including our

subsidiaries. We also considered the impacts on

the upstream and downstream phases of our value

chain, e.g. key suppliers, partners and customers.

Our scenario analysis was framed using the

focal question: “What climate-related risks and

opportunities are affecting Mercury now and could

plausibly affect Mercury over the short, medium

and long terms?”. Our time frames were defined,

in alignment with Mercury’s business planning, as

current: <1 year, short-term: 1 to 3 years, medium-

term: 3 to 10 years, and long-term: 10-30 years.

The endpoint of these time frames are aligned with:

• Current and short-term: Mercury’s 3-year

objectives

• Medium-term: Mercury’s long-term strategy

and strategic scenarios

• Long-term: The expected useful life of new

generation development

Following the establishment of the focal question

and timeframes, the STEEP (Social / Technological

/ Economic / Environmental / Political) framework

was used to build out our climate scenarios and

draft our scenario narratives described on the

following page.

As noted above, the climate scenario narratives

were closely aligned to three of our company

strategic scenarios so we incorporated these

together into a single set of company scenarios that

are used to identify both strategic and climate-

related risks and opportunities and inform our

strategic decision-making.

STRATEGY.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

65

CLIMATE

SCENARIOS

ORDERLY TRANSITION SCENARIO (TEAL SCENARIO)

Global temperature increases are limited to 1.5 degrees.

DISORDERLY TRANSITION SCENARIO (AMBER SCENARIO)

Global temperature increases are limited to 1.5-2 degrees.

4+ DEGREE wARMING SCENARIO (MAROON SCENARIO)

Global temperature increases by 4+ degrees.

CLIMATE IMPACTSLowest to medium physical climate risk. We are able to navigate to

a 1.5 future and new technologies have emerged to help adapt and

largely mitigate any disruption caused. Extreme weather events are only

moderately higher than historical norms.

We are able to navigate to a 1.5 to 2 future, however when climate events

do occur, they are expensive and disruptive as technological solutions are

not adequate to help adapt and mitigate the disruption caused.

Highest physical climate risk. We have been unable to navigate to a 1.5

future, with warming on track to realise a 4+ degree future. Incidents

of disruptive and expensive damage to infrastructure are growing in

frequency. The retreat from the ocean has begun.

ENERGY PATHwAYS:

Grid Demand

High demand driven from industry and decarbonisation. Peak shaving and

smart demand response are used efficiently to help manage the grid.

High demand driven from industry and decarbonisation. Demand side

flexibility is minimal and only used in emergencies (much like today).

Most fossil gas has been displaced by electricity.

Electricity demand has been stagnant to declining. Gas is still used quite

extensively.

ENERGY PATHwAYS:

Grid Supply

Fossil fuels have been retired. Demand growth has been met by grid-scale

renewable generation. Wholesale prices decrease.

100% renewable has been achieved through deployment of grid scale

wind and other renewable solutions.

Fossil Fuels remain with limited growth in renewables.

MACROECONOMIC TRENDS:

Resource and technology

constraints

Goods and knowledge are affordable, and flow freely. Technology allows

a high degree of sustainable use of natural resources. New Zealand is

attractive for investment.

Physical resources were challenging to access due to global demand,

however, are now readily available from global sources.

Access to knowledge and technology is difficult and expensive.

POLICY AND

SOCIOECONOMIC

ASSUMPTIONS:

Consumer needs

AI powered digital assistants enrich consumers lives. Consumers have

a high work/life balance and discretionary spend on entertainment and

other luxuries.

Many are struggling and looking for deals on the basics.

This is mixed with an expanding older wealthy segment looking for

entertainment and life’s comforts.

Financial hardship has created a large price sensitive segment focussed

on the basics. There is a culture of conserving, repairing, and reusing

limited resources.

In contrast to the majority, there is a small segment seeking luxury,

who have created off-grid sanctuaries.

POLICY & SOCIOECONOMIC

ASSUMPTIONS:

Competition / new entrants /

disrupters

Benign wholesale conditions drive retail competition in the energy

sector. Retail is sophisticated providing innovative products and services.

Incumbents are delivering efficiently to meet growth. Successful new

entrants exist in niches.

Competition in retail and wholesale is strong with competitive prices. New

entrants and novel business models emerge.

Competition in energy is very limited. The market is easy to enter and

new entrants with a novel bundle appear from time to time but typically

struggle to compete with the scale of the incumbents.

POLICY AND

SOCIOECONOMIC

ASSUMPTIONS:

Future of work

Industry is adapting to shorter working weeks, and an ageing workforce.

Employers value employees with attitude and aptitude to keep up with the

pace of change. Young employees want to work for businesses that have

embraced these changes and are leading further advancements.

New Zealand has suffered from a “brain drain” making talent hard to

secure. Young employees have for the most part gone overseas where

wages are higher and the cost of living lower. Those that remain have

secured senior high-paying jobs.

The highly skilled enjoy flexible working conditions. The majority work hard

for low wages. Young employees are looking for the opportunity that will

give them a leg up to better job prospects.

CARBON SEQUESTRATION

FROM AFFORESTATION

Carbon sequestration from afforestation has been utilised for emissions

reduction to a limited extent, being displaced by technological and nature-

based solutions as they become available.

Carbon sequestration from afforestation has been widely deployed, being

gradually superseded by technological and nature-based solutions.

Carbon sequestration from afforestation is utilised at a local level, without

effective global coordination and certification.

NATURE-BASED SOLUTIONSNature-based solutions have been developed and form part of a broad

portfolio of emissions reductions solutions.

Nature-based solutions have been developed and form part of a broad

portfolio of emissions reductions solutions.

Nature-based solutions have been developed but have had limited impact

on reducing emissions.

NEGATIVE EMISSIONS

TECHNOLOGY

Effective negative emissions technology has been developed and

widely deployed.

The development of negative emissions technology was slower than

expected, leading to its delayed deployment.

Negative emissions reductions technology has been developed but has

had a limited impact on removing emissions.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

66

Climate-related risks and opportunities were then identified from the scenario

narratives and assessed. To assess which of these were material, the climate

scenario workgroup used Mercury’s risk matrix, which required consideration of

both quantitative impacts, e.g. loss of revenue or increases in costs, and qualitative

impacts, e.g. loss of social license to operate or reputational impacts.

Inclusion of non-financial impacts in assessing materiality aligns with the

materiality principles described in the NZ CS. These principles recognise

CLIMATE-RELATED RISKS

AND OPPORTUNITIES.

SML

SML

RISKRISK TYPE:

Time Horizons

TIME HORIZON OVER wHICH

RISK BECOMES MATERIAL,

LIKELIHOOD AND CONSEQUENCE

IMPLICATIONSASSESSMENT METHODOLOGY MANAGEMENT RESPONSE

GREATER VARIABILITY IN wEATHER

PATTERNS (INCLUDING MORE

FREQUENT HIGH INFLOw EVENTS

AND DROUGHTS) REDUCES HYDRO

GENERATION FLEXIBILITY AND

PROFITABILITY

Chronic Physical:

Current, Short, Medium, Long-term

In the long-term, i.e. in 10-30 years’ time,

this risk is assessed as being highly likely

(10-30% probability in any given year) to

materialise and may have a significant

financial impact, i.e. between $7.5m and

$75m.

Changing weather profile could lead to

reduced energy margin during droughts,

(as Mercury may have to buy from

competitors to supplement its own hydro

generation output), and also during high

inflow events because abundant supply

results in low market prices.

Assess changes in average rainfall and

min/max inflow profiles to determine

decrease in long-run hydro generation

earnings and profile factor.

• Mercury manages its peak customer

sales commitments by taking a portfolio

approach to generation development,

existing and operations and financial

hedging. We look to balance sales with

our physical generation and financial

contract purchases.

• Mercury’s environmental and planning

teams engage with governing and

consenting bodies to manage the

operational impacts of lake storage levels

and preserve operational flexibility on the

Waikato Hydro System.

• Lake Taupō may be held at lower average

storage levels to provide buffer for large

inflow events.

GROwING INTENSITY OF

ATMOSPHERIC CONDITIONS

(INCLUDING STORM EVENTS)

THAT CAUSE ASSET DAMAGE

Acute Physical:

Current, Short, Medium, Long-term

In the long-term, i.e. in 10-30 years’

time, this risk is assessed as being likely

(1-10% probability in any given year)

to materialise and may have a major

financial impact, i.e. between $75m and

$750m.

Increasing intensity of storm events,

floods and high wind events may lead to

physical damage to generation assets

resulting in costs to repair and lost

generation revenue.

Increasing storm intensities and/or higher

likelihood of heating and fires and/or

other extreme atmospheric conditions

may lead to severe damage to electricity

transmission and distribution systems

resulting in Mercury being unable to

export from stations.

Greater of estimate of cost to repair

generation assets or lost generation

revenue from transmission outages.

• Mercury regularly assesses physical

risks to generating plant and assets as

a reasonable and prudent asset owner/

operator and will mitigate risks of

damage as they arise.

• Mercury has a dam safety programme,

including annual and 5-yearly reviews,

and is working to gain insight into the

impacts of climate change on flood risks.

• Mercury maintains a geographically

dispersed and fuel diverse generation

fleet which reduces impacts arising from

locational-specific storm events that

could cause asset damage.

• Mercury carries insurance cover that

mitigates the financial impact of

replacing damaged assets and for

business interruption.

that quantitative assessment of climate-related risks and opportunities is not

always possible and thus broader judgement is required in assessing whether risks and

opportunities are material.

A description of the identified material climate risks and opportunities and their

current and anticipated impacts (both financial and non-financial) are shown

in the tables below.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

67

CLIMATE-RELATED RISKS

AND OPPORTUNITIES.

LHHH

SML

HM

SML

RISKRISK TYPE:

Time Horizons

TIME HORIZON OVER wHICH

RISK BECOMES MATERIAL,

LIKELIHOOD AND CONSEQUENCE

IMPLICATIONSASSESSMENT METHODOLOGY MANAGEMENT RESPONSE

SUPPLY CHAIN CONSTRAINTSAcute Transition:

Short, Medium, Long-term

In the medium-term, i.e. in 3-10 years’ time,

this risk is assessed as being almost certain

(>30% probability in any given year) to

materialise and may have a major financial

impact, i.e. between $75m and $750m.

Constrained global supply of renewable

generation technology (i.e. wind turbines

and solar panels) may cause construction

delays and capital cost overruns.

Estimated cost increases between 20-50%

in generation development.

Longer lead times result in

commissioning delays.

• Mercury manages its supplier

relationships to support its generation

development pipeline including executing

procurement processes with sufficient

lead time to minimise construction delays.

GOVERNMENT POLICY SETTINGS

FAIL TO BALANCE THE ENERGY

TRILEMMA AND LEAD TO A DECLINE

IN ELECTRICITY DEMAND GROwTH

AND/OR A LOSS OF INVESTOR

CONFIDENCE IN THE ELECTRICITY

SECTOR, INCREASED COSTS FOR

THE SECTOR, AND/OR DELAYED

DEVELOPMENT OF RENEwABLE

ELECTRICITY GENERATION CAPACITY

Chronic Transition:

Medium, Long-term

In the medium-term, i.e. in 3-10 years’

time, this risk is assessed as being likely

(1-10% probability in any given year) to

materialise and may have a major financial

impact, i.e. between $75m and $750m.

Without clear and considered government

policy setting, the rate of electrification

of industrial process heat and transport

could fall behind projections, resulting

in a reduced need for new investment

in renewable generation developments.

Government response to climate change

leads to market intervention which

negatively impacts asset valuations.

Resource Management Act reforms may

favour environmental protection over

mitigating climate impacts and renewable

electricity generation consents could be

declined or delayed, constraining and

adversely impacting Mercury’s generation

development pipeline.

Reduction in average wholesale price for

Mercury’s generation;

Reduced revenue from delays in

supplying renewable electricity

generation to the NZ market.

Reduced enterprise value of the company.

• Engage on policy settings that will support

a successful transition for Aotearoa.

• Maintain a pipeline of potential large

commercial and industrial customers

including new forms of demand

(e.g. hydrogen, data centres).

• Maintain a broad range of renewable

electricity generation development

options that can be brought to market

in different demand scenarios.

• Mercury actively engages with regulators

and other external stakeholders to

increase the understanding that

renewable electricity is a key enabler of the

transition to a low-carbon economy and

promote regulatory settings that support

the development of renewable electricity.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

68

CLIMATE-RELATED RISKS

AND OPPORTUNITIES.

LHHH

SML

HM

SML

OPPORTUNITYOPPORTUNITY TYPE:

Opportunity Time Horizons

TIME HORIZON OVER wHICH

OPPORTUNITY BECOMES

MATERIAL, LIKELIHOOD AND

CONSEQUENCE

IMPLICATIONSASSESSMENT METHODOLOGY MANAGEMENT RESPONSE

LOw-CARBON TRANSITION LIFTS

ELECTRICITY DEMAND

Chronic Transition:

Medium, Long-term

In the medium and long-terms, i.e.

in 3-30 years’ time, this opportunity

is assessed as being almost certain

(>30% probability in any given year) to

materialise and may have a significant

financial impact, i.e. between $7.5m

and $75m.

Increased demand for renewable

electricity due to decarbonisation of

transport and process heat may provide

greater opportunities to build renewable

generation capacity and increase

sales volumes.

Increased generation revenue from new

generation development.

• Mercury looks to secure resource consents

for generation development projects

ahead of expected increases in demand.

• Ensure a broad pipeline of

development opportunities and

maintain strong relationships with

generation equipment suppliers.

CAPITAL MARKETS TILT TOwARDS

INVESTING IN LOw-CARBON

GENERATION

Chronic Transition:

Short, Medium, Long-term

In the long-term, i.e. in 10-30 years’ time,

this opportunity is assessed as being

likely (1-10% probability in any given year)

to materialise and may have a major

reputational impact.

Mercury’s profile as a renewable electricity

generator may lead to reduced capital costs

through increased share price support and

cheaper borrowing costs as equity investors

and debt issuers seek exposure to climate-

resilient investments, reflecting societal

desire to invest in the transition to a low

carbon economy.

Impact of reduced cost of borrowing.• Mercury has looked to leverage its

renewable profile in issuing Green

Bonds and promotes its low-carbon

generation profile to research analysts

and sustainability rating agencies.

In FY23 Mercury has chosen not to undertake financial quantification of the material risks and

opportunities from climate change due to the uncertainty associated with estimating modelling

parameters across the medium and long-terms but will look to do so in future years where practical.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

69

RESILIENCE OF STRATEGY.

Actions described above for each of these

climate-related risks and opportunities are

reflected in our planning processes through:

• the setting of strategic objectives and

performance incentives in the Executive

Scorecard each financial year;

• the application of our Risk Management

Framework to assess physical risks to

generating plant and assets and prioritising

any required mitigation work in business plans;

• the deployment of capital and funding for

the development of new renewable

generation; and

• the consideration of portfolio risks when

progressing new generation development.

When making capital allocation decisions we

consider climate-related transition impacts, such

as decarbonisation initiatives and emissions

reductions pathways, given the significance

these have on future electricity demand growth.

We also consider the impacts of climate-related

risks and opportunities over different time

horizons in developing our capital investment

plans. In FY23, over 90% of Mercury’s growth

capital expenditure was allocated to renewable

generation development.

TRANSITION PLAN ASPECTS

OF STRATEGY

Our business model and strategy are described

in our FY23 Integrated Report. We test the

resilience of our strategy through the lens of our

material climate-related risks and opportunities.

TRANSITION TO A LOw-CARBON

ECONOMY

As the Climate Change Commission recognised

in its draft advice to inform the strategic direction

of the Government’s second emission reduction

plan, the largest share of emissions reductions

in the second emissions reduction period is

expected to come from energy and industry.

Therefore, getting the settings right to support

electrification is crucial. The Commission

recommendations include prioritising and

accelerating renewable electricity generation

build. Aotearoa has one of the lowest emissions

electricity sectors in the world. This electricity

can be used to reduce emissions economy-wide

through electrifying transport, industrial process

heat and space heating. The Commission

recommended setting a target so that 50% of

all energy consumed comes from renewable

sources by 2035, and this has now been

adopted by the government in its Emissions

Reduction Plan. For context, in CY2022,

Aotearoa’s renewable share of final energy

consumption was 30%.

As a fundamental element of our strategy, we

consider the role that we can play in supporting

this decarbonisation of New Zealand. In addition

to significant investments made in renewable

generation development (to help reduce

emissions from the electricity sector itself and

other sectors), we also consider the role we can

play in supporting the decarbonisation of

other sectors.

We are also working on how we can reduce our

own emissions. We are currently sequestering

~8,000 tonnes per annum of CO2e at Ngā

Tamariki and are looking to expand CO2

capture and reinjection across this and other

geothermal sites.

DEMAND

Electricity demand is a fundamental value driver

for our business. Ensuring ongoing resilience

of our business model requires an approach to

strategy that takes into account an increasingly

uncertain future. We improve the resilience of

our strategy by ensuring that we are positioned

for a range of different outcomes related to

demand and taking action to attract new

sources of demand to New Zealand such as

offering Power Purchase Agreements (PPAs)

for new infrastructure such as Data Centres.

PORTFOLIO APPROACH

The rapid growth of new renewable electricity

generation development is key to Mercury’s

contribution to New Zealand’s transition to a

low-carbon economy. We recognise the risks

involved in bringing large-scale, complex projects

to market while balancing the energy trilemma

needs of security, affordability and renewability.

In addition to ensuring new generation is

delivered on time to meet demand for electricity,

the intermittency of new renewable generation

sources such as wind and solar, also provides a

challenge in balancing day-to-day peak loads.

Mercury approaches these risks using a portfolio

approach to its generation fleet, utilising the

flexibility provided by its existing assets to enable

the integration of intermittent new generation

and looking towards market-based solutions

through offtake agreements. A portfolio

approach to new generation development,

looking at both fuel types and locational risks

(considering the vulnerabilities caused by the co-

location of generation assets) is also employed

when prioritising new development.

PHYSICAL ASSETS

Underpinning our strategy is a long-term

approach to the management of our physical

assets. One element of this is that our

management of dam safety risks assumes a

value for Probable Maximum Flood (PMF).

This is a measure of the possible volume and

flow rate of the Waikato River in the event of an

extreme flood. Our PMF values are prudently

conservative. We are mindful that it is possible

that in a changing climate PMF values may need

to be increased over time. Based on currently

available data and analysis, our risk management

practices and mitigants are appropriate. Through

our ongoing dam safety work programme and

hydrological studies, we continue to seek out

additional information to ensure resilience of

our strategy. We are currently working alongside

other dam infrastructure owners in New Zealand

to review the PMF assumptions including

considering if these need to be updated to reflect

the changing climate.

We have also reinvested hundreds of millions of

dollars into a hydro refurbishment programme

over the past 10+ years to ensure the assets can

continue to generate renewable energy for many

years to come. For example, we are currently

working on a

~$90 million refurbishment

of the Karāpiro Hydro Power Station that will

extend the asset’s life by a further 50 years

and make it more efficient.

Ōhakuri hydro station.
MERCURY INTEGRATED REPORT 2023

CLIMATE S

TATEMENT

70

MENU

PROCESSES FOR IDENTIFYING AND

ASSESSING CLIMATE-RELATED RISKS

Risk management is an integral part of Mercury’s

business. We have an overarching Risk Management

Policy supported by a suite of risk management

policies appropriate for our business.

The purpose of the Risk Management Policy is

to embed a comprehensive capability in risk

management which provides a consistent

method for identification, assessment, control,

monitoring and reporting of existing and

potential risks to our business and to the

achievement of its plans.

Our risk management framework meets New

Zealand standard AS/NZS ISO 31000 Risk

Management – Principles and guidelines and

applies to all risks at Mercury and is used across

the organisation. This framework provides for

the integration of risk across our material value

drivers– including financial, non-financial, social,

environmental and climate-related risks.

A cross-functional group consisting of

representatives from the relevant business

functions supports the identification of climate-

related risks through scenario analysis (see

Scenario Analysis section in this Climate

Statement). This group utilises information and

data to understand whether potential risks are

real, and to inform our view of the likelihood and

impact of these risks.

Climate-related risks and opportunities are

then classified and assessed relative to other

types of risks using a common methodology

(the risk matrix – shown below). Mercury’s risk

matrix requires consideration of both estimated

quantitative impacts, e.g. loss of revenue or

increases in costs, and qualitative impacts,

e.g. loss of license to operate or reputational

impacts to classify and assess the materiality

of climate-related risks and opportunities.

Material climate-related risks and opportunities

are assessed as falling within the red and black

portions of the risk matrix. From FY23, following

assessment under our risk management

framework, the RMC and RAAC review climate-

related risks which will be incorporated into our

existing risk framework through being recorded

in our risk register system and assigned to

relevant business units.

The climate-related risks and opportunities

included in this year’s climate statement have

been identified by considering our three climate

change scenarios over a 30-year time horizon.

In doing so, we considered all phases of our value

chain (without any exclusions).

MANAGING CLIMATE-RELATED RISKS

The day-to-day management of climate-related

risks, opportunities occurs across Sustainability,

Finance, Generation, Portfolio, Customer

Operations and Commercial Operations with

cascading responsibilities up to the RMC and

the RAAC. The RAAC provides an assessment

of whether the business is managing our

climate risks and responsibilities appropriately

and ensures there are effective policies and

procedures in place.

As an example, when the dam safety team

considers the risks faced by their business

function, potential impacts from climate

change are one of the factors that they take into

account. The dam safety team work with the

GM Generation to build an approach to manage

these risks and develop their forward plans.

Where material, issues are escalated to the RMC,

the RAAC and the Board. The responsibilities

of business functions, the RMC, and the RAAC

are described in more detail in the Governance

section in this Climate Statement.

In relation to markets, our Portfolio

and Finance teams manage risks and

opportunities presented by:

• the electricity market – we continually

model scenarios of resource availability,

electricity market supply and demand

and adjust our approach accordingly

• the carbon market – we are involved in

forest carbon investments and have long-

term contracts in place

RISK MANAGEMENT.

IMPACT

InsignificantMinorModerateSignificantMajorFundamental

PROBABILITY

Almost Certain

Highly Likely

Likely

Possibly

Unlikely

Rare

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

71

MENU

RISK MANAGEMENT.

Regulatory risks and opportunities are managed

by our Government and Industry Relations team

in conjunction with External Communications.

Submissions have been made recently on the

Climate Change Commission’s 2023 draft

advice to inform the strategic direction of the

government’s second Emissions Reduction Plan.

Physical risks and opportunities from climate

change fall into acute (already impacting the

business, e.g. extended periods of drought

and likely to increase in the medium term)

and chronic (not currently impacting the

business but likely to impact over the medium

to long-term). We have continued to monitor

proposed methodologies for climate change

risk assessment and adaptation planning, both

nationally and internationally.

We have models of storm events experienced

within the Waikato hydro catchment and we

work in partnership with the Waikato Regional

Council to engage in training exercises and flood

simulations to educate and familiarise Mercury

and council staff on the management of storms

and flood risks.

We continue to refine and mature our climate-

related scenario analysis to assess the impacts of

our changing climate on our assets and business

and are working with a research organisation,

Bodeker Scientific, to improve the quality of our

climate data including potential future inflows to

the Waikato Hydro Scheme. Currently available

regional level datasets are too high level to

provide the robust and detailed outputs required

for long-term investment decisions for

hydro assets.

DATASETS & MODELS USED

Modelling has been undertaken by the National

Institute of Water and Atmospheric Research

(NIWA) for many of the physical risks associated

with a changing climate. The outputs from this

NIWA modelling, and other specific studies

related to impacts on the electricity sector, have

informed this Statement.

We have drawn on the Climate Change

Commission's advice to the government

and the government’s Emissions Reduction

Plan to better understand how the economy,

the broader energy system and the electricity

sector will likely evolve towards Net-Zero carbon.

In particular, the Commission’s modelling of

its “demonstration path” has influenced our

expectations of future electricity demand.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

MENU

72

METRICS & TARGETS.

MEASURING OUR IMPACT - EMISSIONS

Mercury produces an annual GHG Emissions Inventory Report in accordance

with the Greenhouse Gas Protocol which is available on our website.

A summary of our FY23 and prior years GHG emissions and emissions

intensity is shown below:

FY23 (tCO2e)FY2022 (tCO2e)

Scope 1213,645222,736

Scope 2 (location-based)6321,108

Scope 3 134,77884,909

As can be seen from the table and graphics above, our gross emissions

are dominated by Scope 1 emissions, which account for 61% of the entire

emissions profile currently and have reduced by 60% over the past eight years.

This is due to the elimination of our emissions from thermal electricity power

generation by decommissioning the Southdown gas-fired power station in

FY16, the natural decline in fugitive geothermal emissions over time and our

investment in geothermal greenhouse gas reinjection.

Our Scope 3 emissions from the sale of gas to our domestic dual fuel

customers now represent 38% of our total gross emissions and increased

by 58% (on an annual basis) over the past year due to the acquisition

of Trustpower’s gas customer base.

The emissions intensity calculation uses gross Scope 1 emissions and total

generation output figures from all our power stations. No adjustments have

been made to reflect Mercury’s part-ownership of two of our geothermal

power stations nor have any adjustments been made in relation to carbon

credit surrenders or trading conducted under the NZ ETS.

Note:

Under the NZ ETS, Mercury surrenders certified forestry-backed carbon

units, purchased under long-term agreements with forest owners, to the


NZ Government which cover all of our geothermal emissions and,

to the NZ Government or to our gas supplier, for gas sales related emissions.

Consistent with a reduction in our gross emissions over time, our emission

intensity has also reduced including over the past two years where the

impact of our increase in wind generation from both new builds and

acquisitions is having measurable impacts.

Our Climate Transition Action Plan outlines in detail the actions that we are

taking to ensure we are acting consistently with a 1.5 degree future and

are playing our part in reducing greenhouse gas emissions.

0

100,000

200,000

300,000

400,000

500,000

600,000

T

o

nne

s


C

O

2

e

Financial Year

201520162017201820192020

20212022

Scope 1Scope 2Scope 3

2023

201520162017201820192020

E

m

i

s

s

i

o

n

s


i

n

t

e

n

s

i

t

y

(kg C

O

2

e

/kWh)

Financial Year

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

Generation (GWh)

0

4,000

2,000

6,000

8,000

12,000

202120222023

Emissions IntensityNZ Grid AverageGeneration (RHS)

10,000

wE ARE RELEASING OUR CLIMATE

TRANSITION ACTION PLAN wHICH SETS


OUT HOw wE ARE PLAYING OUR PART

IN REDUCING OUR GHG EMISSIONS.

MEASURING OUR IMPACT –

wATER USE AND OTHER ACTIVITY METRICS

In addition to emissions metrics, Mercury has looked to the International

Sustainability Standards Board (ISSB) sector metrics for Electric Utilities & Power

Generators for general and industry-based metrics for the management

of climate-related risks and opportunities. These metrics have been assessed

for their materiality to Mercury and the relevant metrics are disclosed below.

wATER USEFY23FY2022

Geothermal

Water extracted (Mm3)2425

Water reinjected at source (Mm3)1313

Hydro

Non-consumptive water use (Mm3)11,5296,465

Mercury extracts and reinjects geothermal water for geothermal generation

and is a non-consumptive user of water through its hydro power stations.

Mercury does not extract any water from regions with High or Extremely

High Baseline Water Stress and in FY23 did not have any incidents

of non-compliance with water quantity and/or quality permits, standards,

and regulations.

Other material Activity Metrics are described in the Our Business

Model section of our FY23 Integrated Report and disclosed in our

Operating Statistics.

MERCURY INTEGRATED REPORT 2023
CLIMATE S

TATEMENT

73

MENU

METRICS & TARGETS.

IMPACTS OF THE CHANGING CLIMATE ON

OUR ASSETS AND BUSINESS ACTIVITIES

Mercury’s assets and business activities are vulnerable

to transition risks as described below:

• Our geothermal generation assets, comprising

~27% of Mercury’s equity-weighted generation

in FY23, produce fugitive emissions which are

vulnerable to transition risks in the form of rising

NZU prices in the event that geothermal emissions

are unable to be captured and/or reinjected.

• Our entire generation portfolio is vulnerable to

climate transition risk from regulatory settings

impacting the energy trilemma, e.g. through

influencing carbon pricing in the NZ ETS which

directly impacts the spot price of electricity.

• Our generation development portfolio is vulnerable

to risks arising from regulatory settings constraining

renewable electricity development.

• Our gas sales activities, comprising 1% of FY23

revenue, are vulnerable to changes in regulatory

settings and/or changes in consumer preferences

away from fossil fuels.

Mercury considers all, i.e. 100%, of its generation

assets are vulnerable to the physical risks of climate

change such as extreme wind, floods and fires, with

detail on identified material risks disclosed earlier in

this Climate Statement.

All, i.e. 100%, of Mercury’s existing electricity

generation assets are considered aligned with

climate-related opportunities as enablers in

New Zealand’s low carbon transition. Increasing

demand for renewable electricity due to

decarbonisation of transport and process heat

has been identified as a material climate-related

opportunity from which 100% of Mercury’s

renewable generation assets stand to benefit.

The majority of Mercury’s capital deployment is

also aligned with climate-related opportunities

as in FY23 $155m of growth capital expenditure

was allocated to new renewable generation

development. Mercury is also pursuing climate-

related opportunities to reduce emissions through

developing reinjection of geothermal non-

condensable gases. In assessing and valuing these

opportunities, Mercury does not use a fixed internal

emissions price but assesses a range of outcomes

under various emissions pricing scenarios.

The alignment of management remuneration

to these climate-related risks and opportunities

is discussed in the Governance section of this

Climate Statement.

CLIMATE TARGETS

Mercury has committed to set the following near

and long-term company-wide emission reduction

targets in line with science-based Net-Zero with

the Science Based Targets Initiative (SBTi). These

targets have been developed using tools provided

by the SBTi. The SBTi framework uses a sectoral

decarbonisation approach to align emissions

reductions in each industry to a global emissions

reductions pathway consistent with limiting

global warming to 1.5 degrees Celsius compared

to pre-industrial revolution times. The base year for

these targets is FY2022 and they are described

to the right:

Near-Term / Interim TargetLong-Term Target

Scope 1Target Year: FY2030

70% reduction in emissions

intensity (in kgCO2e/kWh) from

base year

Target Year: FY2040

70% reduction in emissions

intensity (in kgCO2e/kWh) from

base year

Scope 2Target Year: FY2030

42% absolute reduction from base

year

Target Year: FY2040

90% absolute reduction from

base year

Scope 3 – Use of Sold

Products (Natural Gas Sales)

Target Year: FY2030

42% absolute reduction from base

year

Target Year: FY2040

90% absolute reduction from

base year

Note: These targets are subject to change through the validation process with SBTi.

Mercury does not currently use emissions offsets and, in alignment with the SBTi framework, does not

intend to use offsets to achieve interim targets. Offsets may be used for persistent emissions that are

unable to be abated for final targets, or for broader purposes outside of achieving interim targets.

In FY23, Mercury’s progress against these targets was:

FY23

Scope 118% decrease in emissions intensity

Scope 2476 tCO2e decrease

Scope 3 – Use of Sold Products48,932 tCO2e increase

The reduction in the Scope 1 emissions intensity between the FY22 base year and FY23 was due to a

significant increase in the amount of renewable electricity we generated over the base year. This was

achieved through the commissioning of the Turitea Wind Farm and a significant increase in the amount

of hydro electricity generated on the Waikato Hydro Scheme.

As noted earlier, the increase in Scope 3 gross emissions was primarily due to the acquisition of the

Trustpower retail business which included ~44,000 new natural gas connections.

74
LEADERSHIP & GOVERNANCE

MENU

MERCURY INTEGRATED REPORT 2023

LEADERSHIP

& GOVERNANCE.

TE TĀTAKI ME TE wHAKAHAERE.

In this section we introduce our Board and Executive Management Team and

present our corporate governance statement. We also share our remuneration

policy and report, directors’ disclosures and other disclosures, information for

security holders, sustainability index, directory information and a glossary.

Craig Lusty and Katy Scoullar.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

75

MENU

YOUR BOARD OF DIRECTORS.

PRUE FLACKS CHAIR

Tenure:First Appointed: 1 May 2010

(Chair since Sep 2019)

Last Elected: 28 Sep 2021

Key Skills*: Governance; commercial experience;

stakeholder relationships; people leadership.

Prue is a professional director with experience across a

range of industries. Formerly a commercial lawyer and

partner in the national law firm Russell McVeagh for 20

years, her expertise included corporate and regulatory

matters, corporate finance, capital markets and business

restructuring. Prue is a chartered member of the Institute

of Directors, and was formerly a director of Chorus Limited,

Bank of New Zealand and chair of Queenstown

Airport Corporation.

JAMES MILLER DIRECTOR

Tenure:First Appointed: 2 May 2012

Last Elected: 22 Sep 2022

Key Skills*: M&A and capital structure; investment

analysis; audit and risk management; energy industry.

James is an experienced company director and

Chair of company Audit and Risk Committees. He has

specialist expertise in utility economics and 15 years'

experience in capital markets. He is currently Chair of

Channel Infrastructure NZ Limited and is a director of

Vista Group and Ryman Healthcare. James' prior roles

have included Chair of NZX, Deputy Chair of Accident

Compensation Corporation and board positions with

Auckland International Airport, the Financial Markets

Authority and Vector.

James is a qualified Chartered Accountant and is a

Fellow of the Institute of Chartered Accountants and

Institute of Finance Professionals.

HANNAH HAMLING DIRECTOR

Tenure:First Appointed: 1 Feb 2020

Last Elected: 24 Sep 2020

Key Skills*: Natural resource management (including

water and climate change); health & safety; risk

management.

Hannah is an environmental scientist with a particular

interest in sustainable development and resilience.

Until January 2020, she was President of the Asia

Pacific Region and Global Sustainable Development

Leader for Golder, a Canadian global ground

engineering and environmental science company.

Before joining Golder, Hannah was Managing Director

of New Zealand environmental consultancy firm

Kingett Mitchell. Hannah has extensive background

in consulting, management and board roles across

various sectors including electricity, construction

and water management.

SUSAN PETERSON DIRECTOR

Te nure:First Appointed: 1 Sep 2022

Last Elected: 22 Sep 2022

Key Skills*: Commercial experience; AI; automation

and digitisation; customer relationships; large

organisation and cultural leadership experience.

Susan is an experienced director and business leader with

a particular interest in helping companies drive growth

through technology, innovative customer solutions and

organisational culture. She currently chairs Vista Group,

is an independent director of Xero, Arvida and Craigs

Investment Partners and is a Trustee on the Board of

Global Women. Susan is a past director of Trustpower,

ASB Bank, The New Zealand Merino Company, Compaq

Sorting and Property for Industry.

Susan is a lawyer whose professional career primarily

involved several senior roles in the ANZ Bank group.

* Key Skills are defined as the particular skills each director

brings to the Mercury Board, and which we consider in our

succession planning.

RP

NRRN

P

Committee Membership Key:

N


Nominations Committee

P


People and Performance Committee

R


Risk Assurance and Audit Committee


Chair of the committee

Tenure Key:


< 3 years


3-6 years


6

+

years

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

76

MENU

YOUR BOARD OF DIRECTORS.

MIKE TAITOKO DIRECTOR

Tenure:First Appointed: 28 Aug 2015

Last Elected: 23 Sep 2021

Key Skills*: Iwi and other stakeholder relationships;

natural resource management (including water and

climate change); digitisation.

Mike is a leading advisor on Māori economic development

and has well-established networks in Māoridom.

Mike has strong commercial skills in the application of

digital technologies. He is the co-founder and CEO of

Takiwa Limited and a co-founder and director of Toha

Foundry Limited, technology companies commercialising

cloud-based geospatial analytics services. He was

formerly a Director of Auckland Tourism Events and

Economic Development (ATEED).

PATRICK STRANGE DIRECTOR

Tenure:First Appointed: 1 Feb 2014

Last Elected: 24 Sep 2020

Key Skills*: Energy industry; major project investment;

health and safety.

Patrick was previously a Mercury director in 2006-2007

before being appointed Chief Executive of New Zealand’s

transmission owner and operator, Transpower, a position

he held for more than six years. Patrick currently chairs

Auckland International Airport and is a director of

Transgrid. He was previously a Director of NZX Limited

and Essential Energy, Australia. Patrick has announced

his retirement from Mercury after the September 2023

Annual Shareholders’ meeting.

LORRAINE wITTEN DIRECTOR

Tenure:First Appointed: 1 Sep 2022

Last Elected: 22 Sep 2022

Key Skills*: Governance; commercial experience; audit

and risk management; innovation.

Lorraine is an experienced director and business leader

with an extensive background in the telco, technology

and ICT sectors. Lorraine currently chairs MOVe Logistics

Group and Rakon, and is a director of VWORK. Lorraine

has energy sector experience, having been a director of

Horizon Energy Group.

Lorraine’s previous appointments include as an Advisory

Board Member and Audit Committee Chair of the

Department of Corrections, Board member WREDA,

director of Pushpay Holdings and director and chair of

Kordia Group for several years.

N

PR

P

R

Committee Membership Key:

N


Nominations Committee

P


People and Performance Committee

R


Risk Assurance and Audit Committee


Chair of the committee

SCOTT ST JOHN DIRECTOR

Tenure:First Appointed: 1 Sep 2017

Last Elected: 24 Sep 2020

Key Skills*: M&A and capital structure; stakeholder

relationships; commercial experience; people leadership.

Scott has an extensive background in investment

advisory and capital markets. Scott is Chair of Fisher

& Paykel Healthcare Corporation and a director of

Fonterra Cooperative Group, ANZ Bank New Zealand,

and Next Foundation. He was formerly a member of

the Capital Markets Development Taskforce and the

Financial Markets Authority Establishment Board, and

was Chancellor of the University of Auckland. He was the

Chief Executive of First NZ Capital from 2002 to 2017.

* Key Skills are defined as the particular skills each director

brings to the Mercury Board, and which we consider in our

succession planning.

Tenure Key:


< 3 years


3-6 years


6

+

years

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

77

MENU

YOUR BOARD OF DIRECTORS.

DENNIS BARNES DIRECTOR

1

Tenure:First Appointed: 1 Sep 2021

Last Elected: 23 Sep 2021

Resigned: 16 May 2023

Key Skills*: Energy industry; people leadership; major

project investment.

Dennis was most recently Chief Executive of Contact

Energy, a nine year role during which he led Contact

Energy’s investment in renewable energy and flexible

generation (including construction of the Te Mihi

geothermal power station, the development of the

Tauhara field and the introduction in 2011 of the

Ahuroa gas storage facility and Stratford peaking

plant). Dennis retired from the Mercury Board on 16

May 2023 to take up a chief executive role in Australia.

MARK BINNS DIRECTOR

3

Tenure:First Appointed: With effect

from 1 Sep 2023

Key Skills*: Energy industry; wholesale markets trading;

commercial experience; major project investment.

Mark brings significant energy experience to Mercury.

Mark was CEO of Meridian Energy from 2012 – 2017 and

before that spent 22 years with Fletcher Building, including

15 years as CEO of the Construction and Infrastructure

division. He currently chairs Crown Infrastructure Partners

and Hynds Limited and is a director of Auckland

International Airport.

ADRIAN LITTLEwOOD DIRECTOR

2

Tenure:First Appointed: 1 Aug 2023

Key Skills*: Commercial experience; large organisation

and cultural leadership experience; major project

investment; stakeholder relationships.

Adrian brings deep executive experience to Mercury’s

board. Adrian’s executive career included 12 years

at Auckland International Airport, nine of these as

CEO. Before that he held senior roles across strategy,

operations, product and marketing with Telecom New

Zealand. Previous governance roles include acting as

the New Zealand chair of the Australia/New Zealand

Leadership Forum, chair of the NZ Airports Association,

a director of North Queensland Airports and Tourism

Industry Aotearoa.

* Key Skills are defined as the particular skills each director

brings to the Mercury Board, and which we consider in our

succession planning.

1

Dennis was a director of Mercury from 1 September 2021

until 16 May 2023.

R

2

Adrian was not a director during the reporting period. Adrian

joined the Board on 1 August 2023 and will stand for election

at the 2023 ASM in September.

3

Mark was not a director during the reporting period. Mark

joins the Board on 1 September 2023 and will stand for

election at the 2023 ASM in September.

Committee Membership Key:

N


Nominations Committee

P


People and Performance Committee

R


Risk Assurance and Audit Committee


Chair of the committee

Tenure Key:


< 3 years


3-6 years


6

+

years

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

78

MENU

YOUR EXECUTIVE

MANAGEMENT TEAM.

VINCE HAwKSwORTH //

CHIEF EXECUTIVE

LUCIE DRUMMOND //

GENERAL MANAGER

SUSTAINABILITY

PHIL GIBSON //

GENERAL MANAGER

PORTFOLIO

FIONA SMITH //

GENERAL MANAGER

CUSTOMER OPERATIONS

MARLENE STRAwSON //

GENERAL MANAGER

PEOPLE & PERFORMANCE

STEwART HAMILTON //

GENERAL MANAGER GENERATION

wILLIAM MEEK //

CHIEF FINANCIAL OFFICER

CRAIG NEUSTROSKI //

GENERAL MANAGER

COMMERCIAL OPERATIONS

The Executive Management Team leads our business

to deliver on strategy, ensuring we continue to succeed

while also positioning us for future opportunities and

challenges. The team bring enterprise-wide leadership

capability, together with deep subject knowledge

expertise. Together, they provide leadership for our

people and more widely in a changing environment.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

MENU

79

Dear Shareholder

It is my pleasure to present our corporate

governance statement for the year ended

30 June 2023.

This corporate governance statement outlines Mercury’s Corporate

Governance Framework, including information about the composition,

characteristics and function of Mercury’s Board, the ways in which we ensure

that we act ethically and responsibly at Mercury, our approach to risk,

and inclusion and diversity.

FY23 has been another year of significant activity for Mercury and

consequently for Mercury’s Board. This letter highlights some of

that activity.

The Board has overseen: the advancement of Mercury’s generation

development pipeline including approving investment decisions for

the Kaiwera Downs I wind farm and the expansion of the Ngā Tamariki

geothermal power station; completion of the Turitea North and

South projects; and delivery of the next phase of the Trustpower retail

acquisition by the integration of the Mercury and Trustpower brands.

In May, Mercury committed to the new purpose that is showcased

in this report, Taking care of tomorrow; connecting people and place

today, which further drives our long-term ambitions.

We have made significant progress with another of our strategic

convictions which is how Mercury ensures it will be a great partner with iwi.

This has included feedback from our iwi partners as to how they view their

relationships with us, and reflection on who we are and what we stand for,

with the objective of establishing some key principles to underpin how we

approach our relationships with iwi, hapū, whānau and landowners.

PRUE FLACKS

CHAIR

CLIMAT E

In FY23, Mercury published climate related disclosure in accordance with

the NZ climate standards, and updated its Climate Change Management

Plan. In August 2023, Mercury is publishing its first Climate Transition

Action Plan. This has involved aligning our climate scenarios with our

strategic scenarios and has been an important focus for the Board,

supported by the Risk Assurance and Audit Committee. During the

year Mercury issued a further $150m green bonds to assist in financing

projects and expenditure relating to renewable energy and other eligible

projects. The bond issue was fully subscribed, and the strong response

from the market demonstrates continued confidence in Mercury’s

business performance and long term outlook.

BOARD CHANGES AND SUCCESSION PLANNING

Last year I highlighted the importance of Board succession planning. Susan

Peterson and Lorraine Witten joined the Board on 1 September 2022. Andy

Lark stepped down from the Board on 22 September 2022 after 8 years’

service. Dennis Barnes also stepped down from the Board on 16 May 2023

to take up a full-time executive role in Australia. We are grateful for Dennis

and Andy’s contributions.

Patrick Strange will retire at the Annual Shareholders’ Meeting (ASM) this

year after a total of 11 years of service. Patrick’s operational experience

and deep industry knowledge has been invaluable to the continued

progress of Mercury. His inputs into large projects, health and safety,

and the development of robust risk management strategies have been

deeply appreciated by the Board and management. On behalf of the

Board, I would like to thank Patrick for his outstanding service to the

Board and to Mercury.

Adrian Littlewood joined the Board on 1 August and Mark Binns will

be joining the Board from 1 September. Adrian and Mark bring broad

executive experience to the Mercury Board, including capital management,

risk management, major project investment and large organisation

leadership. Mark also has the deep operational experience in the energy

industry previously provided by Patrick Strange and Dennis Barnes.

The appointment of Adrian and Mark in 2023, Susan and Lorraine in 2022,

and Hannah in 2020, gives the Board refreshed perspectives and ensures

the Mercury Board has a strong cohort of directors to take the business

forward over the medium to longer term.

Mercury continues to take part in the Future Directors programme

established by the Institute of Directors. The process for appointing

the next “Future Director” is currently underway.

ANNUAL SHAREHOLDERS' MEETING

Our ASM will be held in a hybrid format again this year, with shareholders

being able to join in person or remotely via video link. This approach

was successful in 2022 and Mercury is aligned with the New Zealand

Shareholders' Association’s principles of maximising meaningful shareholder

participation and quality engagement. I look forward to seeing you there.

LETTER FROM OUR CHAIR.

GOVERNANCE AT MERCURY.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

80

MENU

GOVERNANCE AT MERCURY.

At Mercury, we are committed to the highest standards of corporate governance,

business behaviour and transparency to protect and enhance the interests

of our owners. Our corporate governance framework includes robust policies

and processes which are fundamental to all of Mercury’s foundational pillars.

Our corporate governance framework underpins the maintenance of strong

relationships with our stakeholders and our ability to create long-term value.

It also ensures Board accountability to our shareholders and provides for an

appropriate delegation of responsibilities to our people.

The Board regularly reviews our corporate governance policies and practices to

ensure compliance with NZX and ASX standards (Mercury is an ASX Foreign

Exempt Listed company) as well as reflecting positive contemporary corporate

governance trends in New Zealand and Australia.

Over the reporting period, our corporate governance practices were in

substantial compliance with the NZX Corporate Governance Code. The only

exceptions relate to Recommendation 3.3 (Remuneration Committee), where

the governance of remuneration at Mercury is split between the People and

Performance Committee and the Nominations Committee (see the Board

Committees section of this report for a full explanation of this exception); and

Recommendation 5.1 (Director Remuneration), where Mercury does not have

a specific policy for director remuneration (see the Remuneration Report for

a full explanation of this exception).

While not required due to our ASX foreign exempt listing status, we also endeavour

to comply with ASX Corporate Governance Principles and Recommendations

(fourth edition).

We consider that governance at Mercury generally aligns with the BlackRock

Investment Stewardship Global Principles published in January 2023.

We consider our practices and procedures substantially reflect the guidelines

and principles from the International Corporate Governance Network (ICGN)

Global Governance Principles and the Organisation for Economic Cooperation

and Development (OECD).

CORPORATE GOVERNANCE FRAMEwORK.

This corporate governance statement (comprising pages 75 to 94 of this

report) has been prepared in accordance with NZX Listing Rule 3.8.1 and

was approved by the Board of Mercury NZ Limited on 21 August 2023.

The information contained in this corporate governance statement is current

as at that date. Some information in the corporate governance statement is

expressed to be current at another date, for example the FY23 balance date

of 30 June 2023. This corporate governance statement reports against the

NZX Corporate Governance Code dated 1 April 2023.

SHAREHOLDERS

CHIEF EXECUTIVE

EXECUTIVE

MANAGEMENT TEAM

RISK ASSURANCE &

AUDIT COMMITTEE

PEOPLE & PERFORMANCE

COMMITTEE

NOMINATIONS

COMMITTEE

MERCURY PEOPLE

MERCURY BOARD

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

81

MENU

BOARD COMPOSITION & CHARACTERISTICS

Structure of the Board

The Board typically comprises eight directors although this number

may vary as required to ensure effective succession.

To enable Mercury to achieve its strategic goals, the Board strives to

include an effective combination and diversity of skills, backgrounds

and experiences. The Board also focuses on ensuring that its culture

reflects Mercury’s values, to foster alignment with the wider business.

There is a brief bio of each director at the beginning of this section.

Chair

Prue Flacks is the Chair of the Board. First appointed as a director in

2010, she was appointed as Chair in 2019. Prue is an independent,

non-executive director. The Chair’s overarching responsibilities are

to provide leadership to the Board and to ensure the Board is well

informed and effective. More information about the role of the Chair

is contained in the Mercury Board Charter (found on the Corporate

Governance section of our website).

Future Director

The Institute of Directors’ Future Directors Programme provides

people with governance potential and ambition with mentorship and

the opportunity to participate on a board. It aims to increase the next

generation of board- ready directors in New Zealand. The Mercury

Board is a supporter and active participant in the programme having

welcomed four future directors. Mercury is currently undertaking

a future director search.

Future Directors are invited to attend Mercury Board meetings

and Committee meetings, although they do not participate in

decision making.

The Board is structured to ensure that as a collective group it has

the skills, experience, knowledge, diversity and perspective to fulfil

its purpose and responsibilities.

INDEPENDENCE

All of Mercury’s directors, including the Chair, are considered by the

Board to be “independent” directors, in that they are non-executive

directors who are not substantial shareholders and who are free

of any interest, business or other relationship that would materially

interfere with, or could reasonably be seen to materially interfere with,

the independent exercise of their judgement.

The Mercury Board takes director tenure into account in considering

independence. The NZX recommends that issuers consider the

effect of tenure on independence after 12 years’ service. The Board

has determined Prue Flacks to be independent. Mercury values the

experience and deep understanding of Mercury’s business and the

industry which Prue brings to the Board. While Prue has been on the

Board since 2010, she has been Chair only since 2019. Considering

these factors, the Board has determined that Prue’s independence

is not affected by her tenure.

CONFLICTS

Mercury maintains a directors’ interests register. The interests’ register

is reviewed at each Board meeting to ensure it is up to date and to

determine if any directors are interested in any current or proposed

transaction in which Mercury is or may become involved. If a director

is interested in a transaction, this is discussed with the Chair and

the Company Secretary and actively managed. A management

plan is established and periodically reviewed as necessary. More

details on the Board’s approach to conflicts of interest can

be found in Mercury’s Board Charter. Information on current

directors’ interests can be found under Directors’ Disclosures.

RESPONSIBILITIES

The Board is responsible for Mercury’s strategic direction and

operation and has delegated certain responsibilities to the

Chief Executive and the Executive Management Team (EMT).

The Board’s responsibilities are set out in the Board Charter, which

is reviewed at least every two years, and include:

Strategy and Planning• establishing clear strategic

goals with appropriate

supporting business plans and

resources

• monitoring strategy

implementation

Environmental and Health

& Safety

• ensuring Mercury’s environmental

and health and safety culture

and practices comply with all

legal requirements, reflect best

practice in New Zealand and

are recognised by employees

and other stakeholders as key

priorities

Financial Performance and

Integrity

• monitoring financial

performance and the integrity

of reporting

Executive Authority • setting delegated authority levels

for the Chief Executive and EMT

Risk and Audit• ensuring that effective audit, risk

management and compliance

systems are in place and

monitored to protect Mercury’s

assets and to minimise the

possibility of Mercury operating

beyond legal or regulatory

requirements or beyond

acceptable risk parameters as

determined by the Board

Ethics and Corporate

Behaviour

• ensuring Mercury adheres to

high standards of corporate

behaviour, responsibility and

ethics

The Chief Executive and EMT are responsible for:

• developing and making recommendations to the

Board on Mercury strategies and associated initiatives

• managing and implementing strategies approved by

the Board

• formulating and implementing policies and reporting

procedures for management

• decision making compatible with Mercury’s

Delegations Policy

• managing business risk

• the day-to-day management of Mercury

The Chief Executive and EMT have appropriate employment

agreements setting out their roles and conditions of

employment.

Chief Executive and EMT performance are reviewed regularly

against objectives and measures set by the Board in annual

performance scorecards. The Chief Executive’s and each EMT

member’s performance were evaluated during the reporting

period on this basis. Further details are contained in the

Remuneration Report.

GOVERNANCE AT MERCURY.

MERCURY’S BOARD.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

82

MENU

ACCESS TO ADVICE &

COMPANY SECRETARY

Directors may access such information and

seek such independent advice as they consider

necessary or desirable, individually or collectively,

to fulfil their responsibilities and permit independent

judgement in decision making. They are entitled

to have access to internal and external auditors

without management present and, with the Chair’s

consent, seek independent professional advice

at Mercury’s expense.

All directors have access to the advice and services

of the Company Secretary for the purposes of the

Board’s affairs. The Company Secretary is appointed

on the recommendation of the Chief Executive and

must be approved by the Board. The Company

Secretary is accountable to the Board, through the

Chair, on all governance matters. As at the date of this

Corporate Governance Statement, Howard Thomas

is the Company Secretary.

SELECTION, NOMINATION

& APPOINTMENT

All directors are elected by Mercury’s shareholders

(other than directors appointed by the Board to fill

casual vacancies, who must retire and stand for

election at the next meeting of shareholders) with

rotation and retirement determined in line with

the NZX Listing Rules. The Board is responsible

for considering and appointing directors to the

Board after candidates have been identified by the

Nominations Committee (see Board Committees).

Mercury notifies shareholders of their right to

nominate a candidate for election as a director

by notice on the NZX and ASX.

Where any director election or re-election is to occur

at a shareholder meeting, the Notice of Meeting

includes all information on candidates for director

election or re-election that the Board considers may

be useful to shareholders. Directors must retire every

three years and, if desired, seek re-election.

Hannah Hamling and Scott St John, having served

for three years since their last re-elections, will retire at

the September 2023 annual shareholders’ meeting

and stand for re-election in accordance with the NZX

Listing Rules. Patrick Strange will step down from

the Board on 19 September 2023 after more than

nine years of service.

The Board and Nominations Committee carry out

appropriate due diligence before appointing a director

or nominating a candidate for election as a director in

accordance with our governance processes.

Mercury has a written agreement with each director

set out in a letter of appointment containing the

terms and conditions of their appointment. A copy

of the standard form of this letter is available in

the Corporate Governance section of our website.

In addition, Mercury also enters into deeds of

indemnity and insurance with each director, in

terms of which Mercury indemnifies and provides

insurance to, directors in accordance with the

Companies Act 1993.

INDUCTION & DEVELOPMENT

All new directors participate in a comprehensive

induction programme to familiarise them with

Mercury’s business and the energy and

telecommunications industries. The induction

programme covers key Mercury policies and

GOVERNANCE AT MERCURY.

internal frameworks and includes sessions run

by EMT members on their business areas and

important projects happening within Mercury.

New directors may request further induction

training as needed.

The Board receives regular briefings on Mercury’s

business operations from senior managers. Regular

Board strategy days are held to consider matters

of strategic importance to Mercury, and Board and

management run scenario thinking sessions for key

issues. Visits to Mercury’s facilities keep the Board

informed of Mercury’s assets and operations and

in particular with respect to health and safety and

wellness matters.

The Board has an ongoing programme to enhance

the effectiveness of directors. This involves both

deep-dives into aspects of Mercury’s business,

and sessions focusing on the broader environment

including future trends and innovation. Sessions

run during FY23 included dam safety, process

safety, and climate. Directors are also encouraged

and supported to continue their own professional

development through individual learning

opportunities.

It is essential to Mercury that directors commit

sufficient time to prepare and perform their duties

properly and effectively. The Board has considered

this issue during the reporting period and is satisfied

that, taking into account all of their commitments,

each director had sufficient time to perform their

duties for Mercury.

KEY BOARD STATS

1

:

6

+

YEARS

5/9

FEMALE

4/9

3-6 YEARS

1/9

MALE

5/9

< 3 YEARS

3/9

GENDER DIVERSE

0/9

56%

44%

11%

56%

33%

0%

TENURE

GENDER

1

Dennis Barnes is included in this data for FY23 as he was a director for the majority of the year.

Adrian Littlewood and Mark Binns are not included in this data.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

83

MENU

GOVERNANCE AT MERCURY.

BOARD SKILLS MATRIX

Through the Nominations Committee, the Board regularly

assesses its skills and competencies in the context of key

outputs required, including:

• setting risk parameters for both value

creation and value protection;

• cultural leadership to reflect our values, environmental

kaitiakitanga and social licence to operate; and

• strategy development in an environment of

disruption, requiring courage to challenge,

resilience and agility to respond.

During the reporting period, the Nominations Committee has

considered and reviewed the skills of the Board and updated the

Board skills matrix

4

. Recognising that how well the Board performs

is a function of the skills and experience of individual directors and

how the directors work together as a whole, we consider that

addressing the level of skills and experience collectively is a

better indicator of overall Board capability.

Although the Board fosters collaborative and open discussion

and each director is expected to contribute broadly, the key skills

which individual directors contribute to the Mercury Board are

indicated in the director profiles. The purpose of identifying key

skills at an individual level is to signal the skills which would need

to be considered when a director retires. This is important for

succession planning purposes.

SKILL & EXPERIENCE CATEGORYCOMBINED BOARDSKILL & EXPERIENCE CATEGORYCOMBINED BOARDSKILL & EXPERIENCE CATEGORYCOMBINED BOARD

STRATEGY & RISK SETTINGSSTAKEHOLDERSGOVERNANCE & RISK MANAGEMENT

Significant commercial

experience across

different industries and

economic cycles

Customer relationships

across market segments and

demographics

Governance experience,

including listed companies

Major project investment

and experience

Government relationships

Finance/accounting/audit

committee experience

M&A and capital

structure experience

Shareholder/investment

community relationships

Risk management process

and experience, including

cyber security, climate related,

structural asset integrity

AI, automation, digitisation,

disruption and innovation in

energy and other sectors

Iwi relationships/connectivity

Hononga ā-iwi/hononga

PEOPLE LEADERSHIP

Health and safety

experience

ENERGY INDUSTRY

Climate Change and natural

resource management

(including water)

Energy industry experience

Large organisation and cultural

leadership experience

RE TAIL

Understanding key drivers of

value in a customer facing

business, through governance

or operational experience

Wholesale markets

trading (energy and/or

other commodities)

Medium

Some

Substantial

4

The skills matrix presented here includes data for all current directors as at

the date of this Integrated Report as well as Adrian Littlewood (joined the

Board on 1 August 2023) and Mark Binns (to join the Board on 1 September

2023). It does not include data for Dennis Barnes (left the Board on 16 May

2023) or Andy Lark (left the Board on 22 September 2022).

KEY

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

84

MENU

REVIEwING PERFORMANCE

The performance of the directors (individually and

collectively), and the effectiveness of Board processes

and committees, are regularly evaluated using a

variety of techniques including external consultants,

questionnaires and Board discussion. A performance

review led by the Chair was carried out during the

reporting period. A performance review by an external

facilitator will be carried out during FY24.

DIRECTORS’ MERCURY

SHAREHOLDINGS

The Board encourages the alignment of directors’

interests with those of shareholders and with

Mercury’s strategic aims. To improve this alignment,

the Board encourages directors to accumulate

meaningful shareholdings in Mercury. Further details

of directors’ shareholdings in Mercury are set out in

Directors’ Disclosures.

BOARD COMMITTEES

The Board has three standing committees: the Risk

Assurance and Audit Committee (RAAC), the People

and Performance Committee and the Nominations

Committee. Each Committee focuses on specific

areas of governance. Together, they strengthen the

Board’s oversight of Mercury. Committee meetings

are scheduled to coordinate with the Board meeting

cycle. Each Committee reports to the Board

at the subsequent Board meeting and makes

recommendations to the Board for consideration

as appropriate.

As an exception to the NZX Corporate

Governance Code, Mercury does not comply with

Recommendation 3.3 because it does not have a

separate remuneration committee. This exception

has been approved by the Board. The functions

that would ordinarily be allocated to a remuneration

committee are shared between the People and

Performance Committee in respect of the Chief

Executive and the EMT, and the Nominations

Committee in respect of the directors.

Each standing Committee operates in accordance

with a written Charter approved by the Board and

reviewed as required and at least every two years.

The Committee Charters are available in the

Corporate Governance section of our website.

GOVERNANCE AT MERCURY.

ADDITIONAL COMMITTEES

Mercury assesses on a regular basis whether

additional standing or ad hoc committees are

required. Additional temporary committees are

established from time to time, including as required

to provide governance oversight on short-term

projects. As at the date of this statement, Mercury

has considered that no other standing committees

are required.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

85

MENU


People and Performance Committee


Risk Assurance and Audit Committee


Nominations Committee

Membership & Meetings

Members as at

30 June 2023:

At least three

directors, majority

independent.

Meetings in FY23:

At least 3 annually

Aug 22Nov 22Apr 23Jun 23

Scott St John (Chair)

Mike Taitoko

Susan Peterson

5

N/A

Andy Lark

6

N/AN/AN/A

Prue Flacks

7

Apology

Members as at

30 June 2023:

At least three

directors, each

independent non-

executives. At least

one with accounting /

financial background.

Board Chair not

eligible to be RAAC

Chair.

Meetings in FY23:

At least 3 annually

Aug 22Nov 22Feb 23May 23

James Miller (Chair)

Hannah Hamling

Patrick Strange

Lorraine Witten

8

N/AApology

Dennis Barnes

9

ObserverApology

Prue Flacks

7

Members as at

30 June 2023:

At least three directors, majority

independent.

Meetings in FY23:

At least annually

Jun 23

Prue Flacks (Chair)

James Miller

Scott St John

Patrick Strange

10

N/A

Due to the nature of the Nominations Committee's role, its activity varies each reporting

period depending on the requirements of the Board. While the Nominations Committee

Charter only requires one formal meeting annually, the Committee meets more

frequently as required. In addition to the minimum annual meeting, the Committee

convened on several occasions during FY23 to discuss necessary matters.

Purpose

Assisting the Board to fulfil its people and performance responsibilities relating to:

• Mercury’s People and Performance strategy and plan

• review of inclusion and diversity objectives and progress against objectives

• the remuneration and performance of the Chief Executive and EMT

• People and performance policies and practices

Monitoring and providing guidance to management on people and performance

related matters.

Overseeing, reviewing and advising the Board on Mercury’s:

• risk management policy and processes (which include oversight of Health &

Safety assurance and climate-related risks and opportunities)

• internal control mechanisms and internal and external audit functions

• compliance with legislation and regulation

• financial information prepared by management for publication

Management retains responsibility for the implementation and operation of

adequate risk assurance, internal control and audit systems. Management only

attend RAAC meetings by invitation. The Board has delegated to the RAAC the

authority to oversee and monitor these activities.

Ensuring the Board and its committees are structured appropriately and composed

of suitably qualified individuals to support the Board’s effectiveness in discharging its

duties and responsibilities and adding value through good governance.

The Nominations Committee plays an important role in identifying, for the Board to

consider, people with the necessary expertise, experience, diversity and perspectives

for selection as potential directors to be nominated for election at the next annual

shareholder meeting or to fill a casual vacancy on the Board.

GOVERNANCE AT MERCURY.

5

Susan Peterson became a member of the People and Performance Committee following her

appointment as a director on 1 September 2022.

6

Andy Lark was a member of the People and Performance Committee until he ceased to be a director

on 22 September 2022.

7

Prue Flacks is a member of both the People and Performance and Risk Assurance and Audit

Committees by virtue of her position as Board Chair.

8

Lorraine Witten became a member of the Risk Assurance and Audit Committee following her

appointment as a director on 1 September 2022.

9

Dennis Barnes was a member of the Risk Assurance and Audit Committee until he ceased to be a

director on 16 May 2023.

10

Patrick Strange was a member of the Nominations Committee until 1 October 2022.

PNR

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

86

MENU

AUDIT PLAN & ROLE OF AUDITOR

As a public entity under the Public Audit Act 2001,

the Auditor General is the independent auditor of

Mercury and each of our subsidiaries (together, the

‘Group’). The Auditor-General appointed Lloyd

Bunyan of Ernst & Young to carry out the FY23 audit

on his behalf. The NZX Listing Rules require rotation

of the key audit partner at least every five years.

The provision of external audit services is guided

by the Audit Independence Policy available on the

Corporate Governance section of our website.

The external auditor attends the Annual Shareholders’

Meeting and is available to shareholders to answer

questions relevant to the audit.

INTERNAL AUDIT

& RISK ASSURANCE

Mercury has a comprehensive internal audit and

risk assurance plan, which take a holistic view of

Mercury’s culture, practices and procedures

and include periodic reviews of relevant areas of

Mercury’s operations. The internal audit plan is

designed, updated and approved by the RAAC in

consultation with the Risk Assurance Officer and

the Internal Auditor (currently made up of an internal

team, Deloitte and other internal audit and process

specialists appointed on an outsourced basis) who

report on progress and the results of internal audit

reviews at each RAAC meeting. The Internal Auditor

has access to management and the right to seek

information and explanations.

The RAAC meets with the Internal Auditor at least

once each year without management present.

During FY23, the focus of the RAAC was compliance

(regulatory), reputation, financial (including climate),

operational and health & safety, which were trending

or elevated risks for the Group.

TIMELY & BALANCED

DISCLOSURE

Shareholders & Markets

Mercury is committed to maintaining a fully

informed market through effective communication

with the NZX and ASX, our shareholders and

investors, analysts, media and other interested

parties. Mercury provides all stakeholders with

equal and timely access to material information

that is accurate, balanced, meaningful and

consistent. Where Mercury provides a new and

substantive investor or analyst presentation, it

ensures the presentation materials are released

to the NZX and ASX ahead of the presentation.

The Market Disclosure Policy is designed to ensure

this occurs in compliance with Mercury’s continuous

disclosure obligations under the NZX Listing Rules.

The Policy is available in the Corporate Governance

section of our website.

The Board has appointed the Company Secretary

as the Disclosure Officer who is responsible for

administering the Policy. The Disclosure Committee

(made up of the Board Chair, RAAC Chair, Chief

Executive, Chief Financial Officer and Disclosure

Officer) is responsible for ensuring that Mercury

complies with its disclosure obligations.

The Chief Executive and EMT are responsible for

providing the Disclosure Officer with all material

information relating to their areas of responsibility.

Information which, in the opinion of the Disclosure

Officer, may require disclosure is provided to the

Disclosure Committee for decision.

Disclosures relating to the annual and interim financial

statements must be reviewed by the RAAC before

being approved by the Board. Once approved for

disclosure, the Disclosure Officer is responsible

for releasing material information to the market.

Directors consider at each Board meeting whether

there is any material information which should be

disclosed to the market.

Integrity of Reporting

The Chief Executive and the Chief Financial Officer

are required each half year and full year to provide

a letter of representation to the Board confirming

that the financial statements have been prepared

in accordance with legal requirements, comply with

generally accepted accounting practice, and present

fairly, in all material respects, the financial position

of Mercury and the results of its operations and its

cash flows.

A letter of representation confirming those

matters was received by the Board with respect

to the Group’s FY23 financial statements.

We report on non-financial information in our

Integrated Report. Material environmental, social

and governance matters are covered in this report,

corporate governance statement and the Climate

Statement. To provide this information in a format

accessible to our stakeholders we take guidance from

both the Global Reporting Initiative (GRI) standards

and the International Integrated Reporting Council

(IIRC) Integrated Reporting <IR> framework.

We obtain independent limited assurance from

EY on our Greenhouse Gas Emissions Inventory.

OUR KEY RISKS

Safety Risks

Mercury undertakes activities that potentially

involve significant safety risks including electrified

equipment, handling of iso-pentane, steam field

operations, well drilling, operating large generation

equipment, dam safety, power station construction

and medically dependent customer management.

A key risk for Mercury is that an incident occurs

causing a fatality or serious injury to our staff,

contractors, customers or the public.

Compliance Risks

Legislative & regulatory changes

Regulatory changes to the current wholesale and

retail market structure and pricing regimes may affect

how Mercury manages its integrated business

model of generation and retailing electricity, gas and

telco and could adversely impact on Mercury’s ability

to create value. Legislative or regulatory changes,

including Treaty of Waitangi claims, changes to

consent conditions, or levies on the use of natural

resources, may result in Mercury facing direct or

indirect restrictions, conditions or additional costs

on Mercury’s access to freshwater or geothermal

resources and its hydro, wind and geothermal

generation activities.

Operational Risks

Fuel security & supply

Mercury’s generation depends upon the availability

of water for hydro generation, wind for wind

generation, and geothermal fluid for geothermal

generation. The principal risks include the inability

to generate expected levels of electricity due to

either temporarily or permanently reduced fuel

supplies, loss of access to supply, or increased

costs to secure the necessary fuel, all of which

may adversely affect Mercury’s earnings.

GOVERNANCE AT MERCURY.

ASSURANCE & MANAGING RISK.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

87

MENU

Electricity market exposure

In the short run, our ability to manage our electricity

portfolio risk depends upon our ability to purchase

and sell electricity in the wholesale electricity market

which could be impacted by:

• short-term changes in supply and demand

• national fuel availability based on hydrological

and thermal conditions (including extended

national drought)

• competitor behaviour

• significant reduction or ceasing of electricity

consumption (for example the New Zealand

Aluminium Smelter or other large

industrial companies)

• constrained transmission and distribution

of electricity

In the long run, wholesale prices are determined

by the level of national demand relative to supply

from power generation and can be affected by

levels of activity in the industrial sector, population

size, economic conditions, competitor behaviour,

generation build or retirement, technological changes

or new sources of energy, and regulatory changes.

We could also be adversely affected if a large

group of customers, one or more major customers,

or a New Zealand market participant were to

default on payment for electricity provided or

for hedge settlements.

Broadband and Mobile services

Mercury now retails broadband and mobile

telecommunication services to residential and

commercial customers. Broadband and mobile

both introduce different operational challenges

(e.g. network availability, cyber-security) that if not

well managed can jeopardise Mercury's capacity

to supply telecommunication services to customers.

Power station availability

Our ability to generate electricity depends upon the

continued efficient operation of our power stations.

The viability, efficiency or operability of our power

stations could be adversely affected by a range of

factors including:

• catastrophic events such as a major earthquake,

volcanic eruption, or other natural perils that could

cause failure of one or more of our power stations

• material failure of turbines, transformers, key

infrastructure, or geothermal wells that results in

unplanned power station outages that necessitate

replacement or repair and could be influenced by

supply chain delays

• unexpected events impacting on the short-term

availability of key people required to operate

stations, provide hydro control or trading oversight

• cyberattacks upon our power stations that

could result in a plant failure or sustained loss

of control.

Information security

We depend on many computer systems for our

continued operations. There is a risk that the security

of critical systems may be compromised and/or

information accessed, copied, deleted or corrupted,

impacting on our ability to operate critical systems.

Such an event could result in costs to resolve or repair;

potential downtime of operations; potential breaches

of our customers’ privacy, including unauthorised

access and disclosure of their personal information;

and reputational impacts from any loss of service,

or resulting impacts on safety, our environment

or community.

Financial Risks

Insurance

Mercury is insured through a comprehensive

programme including cover for generation property,

plant and equipment and business interruption with a

combined limit of $1 billion. Some catastrophic events

are uninsurable, or we have chosen not to insure

against them as the cost of cover is prohibitive.

In the event of a severe catastrophic event, it is

possible that the insurance portfolio will not provide

sufficient cover, impacting future operational

performance and the financial condition of Mercury.

We estimate that the maximum foreseeable loss

to which the Group could potentially be exposed

(cascade dam failure causing significant flooding,

business interruption, direct reinstatement costs and

potential loss of life) is approximately $13 billion

with an assessed likelihood of occurrence of 1

in 100,000 years.

We review the level and nature of our insurance

cover annually. Following a third-party risk tolerance

analysis which considered several key financial metrics

specific to Mercury, the decision was previously made

to retain additional financial risk in the event of an

insurable loss to our generation assets. Side C cover,

which insures the company against liabilities arising

out of securities market conduct breaches, was also

removed from our directors’ and officers’

insurance policy.

Climate Change Risks

For details of our key climate-related risks and

how we manage them – please see our Climate

Statement.

Growth & Development

Growth and development projects are subject to

risks that may affect expected financial returns or

outcomes:

• major generation development projects during

construction give rise to risks including cost

over-runs, commissioning delays, environmental

impacts and employee/ contractor safety

• political and regulatory uncertainty, high interest

rates and poor economic conditions may limit

our development choices or adversely affect the

viability or costs of future developments.

Liquidity and Earnings

A deterioration of our financial condition or

instability in capital markets could increase our cost

of capital, affect our ability to raise debt, or reduce

our cash liquidity thereby impacting our financial

performance, pursuit of our strategic objectives or

result in insolvency.

The Crown’s shareholding and the provisions of

the Public Finance Act may limit our ability to raise

equity capital.

There is a risk that foreign currency or interest rate

movements may impact our earnings by increasing

the cost for imported goods and services and the

cost of debt.

Reputational Risks

Our reputation with investors, partners, customers

and the broader community is one of our most

significant assets. In addition to the risks mentioned

elsewhere in this statement, the following events

could threaten that reputation and could lead to

negative publicity resulting in the loss of business

revenues or reduction in Mercury’s value:

• errors in customer connections, billing or general

customer communications

• errors by directors, management, contractors or

related industry operators negatively reflecting

on Mercury

• adverse environmental impact caused by, or

perceived to be caused by, Mercury’s operations

• health and safety incidents under the operational

control of Mercury

• a reduction in standards of how we treat the

communities that we operate in.

GOVERNANCE AT MERCURY.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

88

MENU

RISK MANAGEMENT FRAMEwORK

& RAAC RESPONSIBILITIES

Risk management is an integral part of our business.

We have an overarching Risk Management Policy in place

(see the Corporate Governance section of our website)

supported by a suite of risk management tools appropriate

for our business, including our Risk Appetite Statement,

the Mercury Code, an Energy Markets Risk Management

Policy, a Treasury Policy and a Delegations Policy.

The purpose of the Risk Management Policy is to embed

a comprehensive, holistic, Group-wide capability in risk

management which provides a consistent method

of identifying, assessing, controlling, monitoring and

reporting existing and potential risks to our business

and to the achievement of its plans. The Policy sets out

the risk management objectives and requirements of

Mercury within which management is expected to operate.

The Policy applies to all business activities of the Group

including Mercury-controlled joint ventures and is reviewed

annually by the RAAC and approved by the Board.

The risk management framework supports a

comprehensive approach to risk, encompassing

financial, strategic, environmental, operational, regulatory,

reputational, social and governance risks. This includes

assessing and managing climate-related risks.

The framework involves actively identifying and managing

risk and taking measures to reduce the likelihood of risk,

contain potential hazards and take mitigating action to

reduce impacts in line with risk tolerances. This approach

is consistent with the precautionary principle.

We must accept some risks to achieve our strategic

objectives and to deliver shareholder value. Our tolerance

for risks is embodied in our Risk Appetite Statement

which are set and regularly reviewed by the Board. As part

of the current Risk Appetite Statement, Mercury targets

a long-term credit profile of BBB+ (bbb on a stand-alone

basis) from S&P Global (or its equivalent).

GOVERNANCE AT MERCURY.

We have a Risk Assurance Officer who has the

independence to determine the effectiveness of risk

management, assurance and internal audit. The Risk

Assurance Officer has a dual reporting line to the Chief

Financial Officer and the RAAC Chair. The RAAC tasks

the Risk Assurance Officer to ensure healthy and robust

debate and interaction between management, risk

assurance and audit providers.

Our management operates a Risk Management

Committee, whose mandate is to raise risk awareness

and adequate risk management among all employees,

as well as to monitor and review risk actions as

circumstances and our strategic and operational

goals change. Membership of the Risk Management

Committee is made up of representatives from the

Executive Management Team and is chaired by the

Chief Executive. The Risk Management Committee

meets at least four times each year.

In addition to these risk management processes several

measures are employed to manage risks, including

employee awareness, incident training, due diligence,

financial risk mitigation tools, active involvement in the

regulatory environment and established whistle blower

policy and procedures.

As noted above, the RAAC is responsible for overseeing,

reviewing and providing advice to the Board on Mercury’s

risk management policies and processes. The Risk

Assurance Officer reports regularly to the RAAC on the

effectiveness of our management of material business

risks. In addition, the RAAC annually reviews the risk

management framework. The last review of the risk

management framework took place in August 2023.

Mercury’s Constitution, and relevant Charters and

Policies are available in the Corporate Governance

section of Mercury’s website.

GOVERNANCE

RISK MANAGEMENT FRAMEwORK

BUSINESS FUNCTIONS

GOVERNANCE

RISK MANAGEMENT

COMMITTEE

Establishes, promotes

and implements risk

management (controls

and systems)

RISK ASSURANCE

& AUDIT COMMITTEE

Oversees and monitors risk

management framework

BOARD

Accountable for

managing risk

CHIEF EXECUTIVE

Responsible for

managing risk

Consolidated

Risk Report

Risk Matrix

Risk Appetite


Statements

Risk Management


Policy

RISK ASSURANCE OFFICER

Monitors implementation

of risk management

framework, promotes risk

awareness and mitigations,

and tests controls

ALL BUSINESS UNITS

Owns and manages day to

day risks and controls

REPORTS

DELEGATES

MANAGEMENT COMMITTEE

ENDORSES

APPROVES

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

89

MENU

OUR INVESTOR RELATIONS

PROGRAMME

We are committed to open and effective

communication with our stakeholders and owners

by providing comprehensive relevant information.

Mercury takes the steps set out in our Market

Disclosure Policy to achieve this.

We communicate with our investors in various ways,

including the Investor section of our website, annual

shareholders’ meetings (ASM) and webcasts, our

annual and interim reports, regular information

disclosures, and analyst and investor briefings

and road shows. Mercury aims to provide clear

communication of our strategic direction, including

articulating our strategic priorities and how these

leverage Mercury’s competitive advantages.

We also run a programme to build understanding

and appropriate measurement of Mercury’s

performance among investors and research

analysts. That programme aims to be responsive,

clear, timely, consistent, even-handed and accurate,

and is designed to ensure appropriate access to

management and directors.

Summary records of matters discussed at meetings

with investors and analysts are kept for internal use,

unless a recording or transcript of the presentation

is published on our website.

wEBSITE

Mercury’s website contains a comprehensive set of

investor-related information and data including stock

exchange and media releases, interim and annual

reports, investor presentations and webcasts, and

shareholder meeting materials. Mercury will continue

to build environmental, social and governance (ESG)

website content to meet the increasing demand for

transparent disclosures of its performance across

these areas and the management of long-term risks

and opportunities.

Shareholders can direct questions and comments

to Mercury through the website or contact

investor@mercury.co.nz.

ANNUAL SHAREHOLDERS’

MEETINGS & wEBCASTS

An ASM is held in New Zealand at a time and

location which aims to maximise participation by

shareholders. Mercury’s eleventh ASM since listing

on the NZX Main Board and ASX will be held in

Auckland on 19 September 2023 and once again

will be held in a hybrid format (in person and online).

This approach was successful at the 2022 ASM and

is considered by the New Zealand Shareholders’

Association as the most effective approach to

enable meaningful shareholder participation.

GOVERNANCE AT MERCURY.

ENGAGING wITH INVESTORS.

ELECTRONIC COMMUNICATIONS

We encourage shareholders to provide email

addresses to enable them to receive shareholder

materials electronically. Communicating electronically

is faster and more cost- effective. Most of our

shareholders receive information electronically.

However, we understand that this does not suit

everyone and we also provide hard copy reports

to shareholders who wish to receive them.

MERCURY INVESTOR DAY 2023

Mercury hosted an Investor Day in Palmerston

North on 15 March 2023.

The day included presentations on generation

asset management, energy transition and

climate, future ready retail and integration

and Mercury’s portfolio and generation

development. Feedback from the day was

positive and Mercury intends to hold another

Investor Day in FY24.

GOVERNANCE ROADSHOwS

Mercury held a series of investor meetings

during July 2022 and again during August

2023, primarily with institutional investors.

The governance roadshows aim to provide

an overview of Mercury’s activities and

significant governance matters during the

year. Materials from the roadshows can be

found on our website.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

90

MENU

GOVERNANCE AT MERCURY.

ACTING ETHICALLY & RESPONSIBLY.

TE NGĀKAU TAPATAHI ME TE HAEPAPA.

Mercury people strive to do what’s right.

We have put in place the Mercury Code to ensure

that our people know what the ‘right thing to do’

is. The Mercury Code documents the behaviours

we require to embed and sustain our culture to

successfully deliver our strategy and achieve our

Purpose of taking care of tomorrow: connecting

people and place today.

MERCURY ATTITUDE

A Mercury employee is expected to apply the

Mercury Attitude. This attitude shapes our decisions,

our actions and our interactions with each other.

Our Mercury Attitude aligns our direction to achieve

our Purpose.

THE MERCURY CODE & OUR

POLICY FRAMEwORK

The Mercury Code, which is reviewed by our Board

at least every 2 years, is our version of a code of

conduct and ethics. The Mercury Code underpins

everything we do. It requires all Mercury people,

including directors and employees, to act honestly

and with integrity and fairness at all times, and

to strive to foster those standards within Mercury.

The Mercury Code is available in the Corporate

Governance section of our website. Mercury

employees are required to complete training

on the Mercury Code at least annually.

The Mercury Code and the policy framework described

below support our promises to each other and define

our commitment to our customers, our people and

community and our investors.

Directors are required, in the performance of their

duties, to give proper attention to the matters before

them and to act in the best interests of Mercury at

all times.

We also want to ensure that we work with suppliers

who share our commitment to acting ethically and

doing the right thing. Our Supplier Code of Conduct

describes the way we work with our suppliers and what

we expect in return. The Supplier Code of Conduct

includes our commitments and our expectations

in relation to social responsibility, health and safety,

compliance with all applicable modern slavery laws,

environmental responsibility, and business integrity.

The Supplier Code of Conduct is available in the

Corporate Governance section of our website.

Mercury acknowledges the importance of assessing

and addressing the risk of modern slavery in our

operations and supply chain. We continue to publish

a modern slavery statement, consistent with our

obligations under the Australian Modern Slavery

Act 2018.

The areas set out in the table on the next page are

of fundamental importance to Mercury to ensure

good governance and responsible business practices

are followed.

CARE / TAURIMA

Doing what's right.


Te mahi i te mea tika.

COMMIT / KĪ TAUR ANGI

Taking ownership.

Rangatiratanga.

CONNECT / HONONGA

Working together.

Te mahi tahi.

CURIOUS / PĀKIKI

Exploring possibilities.

Te wherawhera i ngā āheinga.

C

U

R

I

O

U

S







C

O

M

M

I

T






C

A

R

E






C

O

N

N

E

C

T

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

91

MENU

Our Governance & Responsible Business Practices

ConflictsConflicts of interest must be avoided, except with the prior consent of Mercury. Mercury people are encouraged

to discuss possible conflicts with their manager. Mercury takes practical, preventative action wherever possible, for

example by substituting project managers in circumstances of possible conflict with contractors and suppliers.

Our directors declare all potential conflicts of interest prior to appointment and if applicable, at each Board

meeting in relation to specific agenda items.

BriberyThe acceptance of bribes, including gifts or personal benefits of material value which could reasonably be

perceived as influencing decisions, is prohibited under the Mercury Code. Under Mercury’s Delegations Policy,

donations to political parties are prohibited.

Use of

Mercury Assets

The Mercury Code places restrictions on the use of corporate information, assets and property. All persons

covered by the Mercury Code are encouraged to report any breach or suspected breach of the Code.

whistleblowingWe provide a framework for the protection of employees wishing to disclose serious wrongdoing. This is described

in Mercury’s Whistleblowing Policy.

Employees are also encouraged to voice with their manager, the HR team, the General Counsel, other

managers or directors any concern over ethical or irresponsible behaviour, even if not reaching the threshold

of serious wrongdoing.

During FY23, the Whistleblowing Policy was updated to reflect legislative changes and to provide a third-party

whistleblowing hotline.

Trading In

Company Securities

Mercury’s Trading in Company Securities Policy sets out the rules and restrictions relating to trading in Mercury

securities by directors and employees and contractors, including the prohibition on insider trading. The Policy is

closely monitored by the Company Secretary and is overseen by the RAAC.

The Chief Executive and EMT members are prohibited, by the Trading in Company Securities Policy, from

entering into transactions in associated products which limit the economic risk of participating in unvested

entitlements under Mercury’s Long-Term Incentive Plans.

During FY23, the Trading in Company Securities Policy was updated to reflect the Company Secretary’s ability

to “call in” additional classes of restricted persons.

Market DisclosuresOur Market Disclosure Policy ensures we maintain a fully informed market through communication with the

markets, investors and stakeholders and by giving them equal and timely access to material information.

During FY23, the Market Disclosure Policy was updated to reflect who is authorised to speak on behalf of

Mercury when dealing with non-material information.

GOVERNANCE AT MERCURY.

Our Governance & Responsible Business Practices

SustainabilityOur Sustainability Policy sets out the core principles and values that promote ethical and responsible

decision-making.

We recognise that our reputation, our operational and financial results, and success in creating long-term value

for our shareholders depend on maintaining confidence in: how the Company acts and conducts its business; our

approach to managing natural resources, meeting environmental standards, responding and adapting to climate

change and playing a leading role in the decarbonisation of Aotearoa New Zealand; our health and safety and

wellbeing culture and practices; the service we provide for our customers; the employment experience we

offer our people; the relationships we have with our business partners and the communities within which we

operate; and broader measures of economic, environmental and social performance.

Under the Policy, we commit to integrating sustainability through principles relating to our five-pillar strategy:

Customers, Partnerships, Kaitiakitanga, People, Commercial.

During FY23, the Sustainability Policy (previously the Integrated Sustainability Policy) was updated to simplify

the name, clarify the purpose of the policy, reflect changes made to our strategic framework and include iwi

and stakeholder engagement provisions.

PrivacyWe are committed to the safeguarding and proper use of personal information. We have a comprehensive

Privacy Policy, which is reviewed every two years, and a robust privacy framework. Privacy is afforded significant

consideration within Mercury and is managed in accordance with our risk management framework.

Our General Counsel is Mercury’s Privacy Officer and is responsible for implementing our Privacy Policy, promoting

awareness of privacy matters, monitoring matters on a day-to-day basis, and escalating matters as required

to our Chief Executive, with notification to our Risk Management Committee. Privacy issues are reported to the

Risk Management Committee on a quarterly basis. We also have a Group Information Security Manager who

is responsible for ensuring that appropriate systems and processes are in place for the storage and security of

personal information.

Environmental Our Environmental Policy recognises that our generation activities rely on access to natural resources that

we know are highly valued by our communities. We strive to maintain this trust by working with partners to

deliver renewable electricity and make a long-term difference New Zealand’s environmental health.

We work responsibly to deliver today and sustainably for future generations and will achieve this by focussing

on: Kaitiakitanga, challenging our performance, promoting awareness, complying with requirements, and

setting objectives and targets.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

92

MENU

Our Governance & Responsible Business Practices

Modern SlaveryDuring the reporting period we prepared and reported our Modern Slavery Statement in line with our obligations

under the Australian Modern Slavery Act 2018.

Our statement outlines the work undertaken during FY22 to assess and address the risk of modern slavery in

our operations and supply chain and identified the following key focus areas for FY23: integrating supply chain

data from the Trustpower retail business and reviewing specific Trustpower suppliers, working with maintenance

suppliers to assess modern slavery risks in their supply chains, looking at Energy Source Minerals, a

California-based company in which Mercury holds an equity interest, and a continued focus on improving

our spend visibility.

Climate-related

Disclosures and

Carbon Emissions

Reporting

Since 2018, Mercury has been publishing reports outlining climate-related risks and opportunities faced by the

business. In previous years, we have reported in line with the framework set out by the Financial Stability Board

Taskforce on Climate Related Financial Disclosures (TCFD). In FY23, we have prepared a Climate Statement in

accordance with the Aotearoa New Zealand Climate Standards, which are aligned with the TCFD framework.

The Climate Statement includes disclosure of the potential impacts of climate-related risks and opportunities

on Mercury’s business and details about Mercury’s carbon emissions profile. Refer to the Climate Statement.

We have also prepared a Greenhouse Gas Emissions Inventory report which outlines in detail each of Mercury’s

main emissions sources and how these have tracked over time.

Takeover Response

Policy

We have a Takeover Response Policy to guide the Board and management if the Company receives a takeover

notice or the Company becomes aware that a takeover offer in respect of the Company (or an analogous

scheme of arrangement) is, or is likely to be, proposed by another person.

The Mercury Code, Modern Slavery Statement, and all Policies referred to in the table above are available on the Corporate

Governance section of our website.

GOVERNANCE AT MERCURY.

Mercury, Newmarket, Auckland.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

93

MENU

Being inclusive of individuals with different

backgrounds, views, experience and capability

working together makes us stronger and better

as an organisation. We are committed to recruiting

and retaining people who respect each other, our

customers, our stakeholders and our partners

and have a broad range of skills, experiences and

frames of reference to drive innovation, deliver

improved financial performance and help us

to achieve our ambition.

Our commitment to diversity, equity and inclusion

starts with our Diversity, Equity and Inclusion Policy

and framework. A copy of this policy is available in

the Corporate Governance section of our website.

Our approach takes a strategic view that to build

diversity, equity and inclusion at Mercury, we must

align a variety of initiatives that enable and involve

our people, build external partnerships, grow

capability, and ensure our work environment and

structure support a diverse, equitable and inclusive

culture. The activity we undertake across these

areas of focus is aligned to the following principles:

• pursue diversity of our people at all levels,

• create a flexible and inclusive work

environment that values difference

and enhances business outcomes,

• harness diversity of thought and capitalise

on individual differences,

• embrace leadership behaviours that reflect our

belief in the value of diversity, equity and inclusion,

• attract and retain a talented workforce through

increasing the diversity of the candidate pool and

maintaining a recruitment strategy that is attractive

to all candidates, and

• recognise the importance of investing in creating

a greater sense of belonging for our people.

This approach will be practically achieved across

our business by:

• providing learning opportunities that raise

awareness of the benefits of diversity, equity

and inclusion, improve understanding of the

biases that hinder progress, and support leaders

to create safe, supportive, and equitable spaces

where team members of all backgrounds and

experiences belong,

• ensuring our recruitment and selection,

development and talent management

approaches are equitable and enable inclusion

and diversity at all levels,

• regularly reviewing and enhancing processes

and policies to encourage greater flexibility and

diversity and enable an inclusive and equitable

environment where everyone can belong,

• embedding diversity, equity and inclusion in our

culture through engaging internal communications

and events, active employee led network groups

that promote awareness, and seeking diverse

perspectives on issues that matter to our people,

• regularly tracking progress towards a diverse

workforce at all levels against specific targets,

• engaging with educational institutions and partners

in our communities to address inequity and promote

and encourage wide talent pools for the industry.

In addition to the actions we undertake, we also support

a diverse, equitable and inclusive workplace through not

permitting or condoning any harassment, discrimination

or victimisation. Our Anti Bullying, Harassment and

Discrimination Policy outlines our approach to this.

Our progress against diversity and inclusion goals

is measured against objectives set by the Board.

These objectives are made up of a mixture of targets

and benchmarks. Generally, targets exist where we

believe that achieving diversity in that area is aided by

us working towards a specific measure. In other areas,

we use benchmarks where comparison against those

identified data points will help inform our view of how our

work towards diversity in that area is progressing. Diversity,

Equity and Inclusion is also covered in the Ngā Tāngata/

People section, with details of specific initiatives underway.


GOVERNANCE AT MERCURY.

Mercury embraces and celebrates diversity in all its forms.

When we care, commit, connect and bring our curiosity,

we make a real difference.

DIVERSITY, EQUITY & INCLUSION.

REREKĒTANGA, MANA ŌRITE ME TE wHAKAURU.

Lucie Drummond, GM Sustainability

together with Diverse Emerging

Leader participants Nico Lumangtad,

Commercial Services Specialist and

Nickkita Lau, Internal Communications

and Engagement Manager.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

94

MENU

GOVERNANCE AT MERCURY.

ObjectivesFuture years - targetsPrior years - actuals and targets

Gender

We have clear and simple targets for gender diversity of 40:40:20 at all levels.

This means we aim for a minimum of 40% female and 40% male, with the balance

being any gender.

Pay Equity

We ensure that everyone is rewarded fairly for their work.

Employee GroupFY24FY25FY26

June 2022

Target

(Female)

June 2022

Actuals

(Female/Male)

June 2023

Target

(Female)

June 2023

Actuals

(Female/Male)

All Employees40:40:2040:40:2040:40:2045%39% / 61%45%51% / 49%

People Leaders40:40:2040:40:2040:40:2035%35% / 65%35%47% / 53%

EMT40:40:2040:40:2040:40:20>40%44% / 56%>40%37.5% / 62.5%

Board40:40:2040:40:2040:40:20>40%25% / 75%>40%50% / 50%

Pay EquityOur target is 100% Pay Equity.100%94.9%100%97.1%

Ethnicity

Aligned to our goal of having clear & simple targets, we have simplified long-term

targets for ethnicity of 15:15:10. This means we aim for a minimum of 15% Māori,

15% Asian and 10% Pasifika at all levels (these are closely aligned to our population

demographics and are minimums).

EthnicityFY24FY25FY26

June 2022

Target

June 2022

Actuals

June 2023

Target

June 2023

Actuals*

Māori

Employees

People Leaders


15%

15%


15%

15%


15%

15%


7%

6%


4%

2%


15%

15%


7%

6%

Asian

Employees

People Leaders


15%

15%


15%

15%


15%

15%


23%

13%


23%

14%


15%

15%


17%

10%

Pasifika

Employees

People Leaders


10%

10%


10%

10%


10%

10%


10%

5%


5%

1%


10%

10%


5%

2%

Age

To ensure our business is diverse in a range of ways, we monitor our age profile to

check that we are aligned to the national median.The median age of the NZ workforce is 41.8 years

(National Labour Force projections, 2023)

Benchmark against

national median

age of the labour

force in New Zealand

National Labour

Force projections

41.7, consistent with

national labour force

projections

Benchmark against

national median

age of the labour

force in New Zealand

National Labour

Force projections

41.2, slightly below

national labour force

projections

At 30 June 2023, the proportion of women on the EMT (including the Chief Executive)

was 37.5%, or three out of eight (as at 30 June 2022 this was 44% or four out of nine).

The proportion of women on the Board at balance date was 50%, or four out of eight,

including the Chair (as at 30 June 2022 this was 25%, or two out of eight). At 30 June

2023, no Directors or EMT self-identify as gender diverse (as was the case as at 30

June 2022).

During FY23 we have improved our collection of ethnicity information by expanding from

one to three ethnicity fields. In order to maintain consistency of measurement against our

targets, we have adopted the Stats NZ prioritised ethnic groups.

This involves each person being allocated to a single ethnic group based on the groups they

have identified with, which are, in order of priority: Māori, Pacific, Asian and European/Other.

At 30 June 2023, our gender pay equity was 97.1% (as at 30 June 2022 this was 94.9%).

Gender pay equity is calculated as the average position in range (relative to the role’s band

midpoint) of female fixed remuneration compared with the average position in range of male

fixed remuneration. Our gender pay gap which compares the median hourly rate between

males and females was 41.9% (as at 30 June 2022 this was 21.7%).

Pay equity by ethnicity compared to “other” ethnicity was Māori 99.9%; Asian 98.6% and Pasifika

97.6%. The ethnicity pay gap which compares the median hourly rate between each ethnicity and

“other” ethnicity was Māori 32%; Asian -2.7% and 37.7% for Pasifika.

The Board believes that for this reporting period Mercury has continued to make progress towards

achieving our inclusiveness, equity, and diversity objectives and against our Diversity, Equity and

Inclusion Policy generally. However, the Board notes that continued focus is required for us to

achieve our FY24 diversity target.

* We acknowledge there are gaps and we are addressing these through programmes such as the Diverse

Emerging Leaders programme

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

95

MENU

SCOTT ST JOHN

CHAIR, PEOPLE & PERFORMANCE COMMITTEE

Executive Remuneration Governance

Mercury’s Board is committed to a remuneration

framework that promotes a high-performance

culture and that aligns executive reward to the

achievement of strategies and objectives to create

sustainable value for our shareholders. The Board

is committed to demonstrating transparency in its

remuneration policy and practice.

The purpose of the PPC is to assist Mercury’s Board

in fulfilling its responsibilities relating to Mercury’s

People and Performance strategy and plan, People

and Performance policies and practices and the

remuneration of the Chief Executive.

Dear Shareholder

As Chair of the People and Performance Committee

(PPC) of the Board, it is my pleasure to present

our Remuneration Report for the year ended

30 June 2023.

This report outlines Mercury’s strategy and approach

to remuneration, in particular for its executives. It sets

out remuneration information for the Chief Executive,

Chief Financial Officer and directors.

The Board reviewed management performance

against the short-term incentives (STIs) Key

Performance Indicators (KPIs). The Board determined

that stretch targets were met for Commercial, Retail

and Climate KPIs, that the Adapative Organisation

and Relationships KPIs were partially met and the

Generation KPIs were not met. The Company STI

was awarded at 82% of maximum. This year we

have provided more details on our FY23 STI Group

scorecard assessment on page 96.

In FY23, we extended the Long-term performance

incentives policy to be available to four senior

managers who were deemed to have the potential

to succeed into a general management position

within Mercury.

With the increase in inflation and living costs for

New Zealanders, this year we focussed on higher

salary movements for those employees on

lower salaries.

Our continued focus on diversity, equity and

inclusiveness has resulted in some positive shifts

towards achieving our objectives. We have increased

female representation across our employees, in our

People Leadership group and our Board and have

reached our gender diversity targets this year.

We saw an increase in our gender pay gap this

year to 41.9%, which was not unexpected with

the higher number of female employees coming

across in customer service, sales representative

and administration positions from Trustpower into

Mercury. However, when comparing comparable roles

across the business we were able to close our pay

equity gap by 2.2% this year, taking this up to 97.1%.

Moreover, we are pleased that considerable progress

was made in closing ethnicity pay equity gaps this

year across all our ethnicity groups of Māori (99.9%),

Asian (98.6%) and Pasifika (97.6%). As part of the

FY23 remuneration review, we identified and

addressed gender or ethnicity salary gaps with 24

employees salaries being uplifted to further close

those gaps.

Our commitment to providing equitable opportunities

for growth and development is reflected in our high

employee internal appointments and our ongoing

commitment to pay equity.

I want to acknowledge our Executive Management

Team (EMT) in the way they looked after employees

and customers through the severe weather events

that New Zealander’s faced this year. Not only did they

support financially those employees and customers

impacted by events, but also thanked employees

for their hard mahi by giving them an additional

“Thank you day” off. In addition, to recognise the

outstanding contribution of our employees in

delivering this year’s performance, we are awarding

all of our part-time and full-time permanent

employees with a $1,000 one off payment.

REMUNERATION REPORT.

The PPC reviews the annual performance appraisal

outcomes for all members of the EMT and approves

the outcomes for all EMT members other than the

Chief Executive. The Chief Executive’s remuneration

is approved by the Board on the recommendation

of the PPC. Annual remuneration reviews take into

account external benchmarking to ensure

competitiveness with comparable market peers, along

with consideration of an individual’s performance,

skills, expertise and experience.

Executive remuneration

Mercury’s Executive remuneration policy is founded on three guiding principles:

Sustainable shareholder valueAlignment to performanceSimplicity

Remuneration is aligned to

long-term sustainable

shareholder value

Remuneration for EMT reflects

the level of performance and

delivery of successful outcomes

Design is kept simple and easy

to understand

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

96

MENU

REMUNERATION REPORT.

Executive remuneration components

Total remuneration for all EMT is made up of three components: fixed remuneration, short-term performance incentives and long-term

performance incentives. Mercury’s remuneration philosophy is to pay for performance and there is an opportunity for executives to

receive, where performance has been exceptional, a total remuneration package in the upper quartile for equivalent market-matched roles.

Fixed RemunerationShort-term IncentivesLong-Term Incentives

PurposeAttract and retain Executives of a

high calibre and experience to deliver

our strategy.

To motivate and reward employees for

performance over the financial year.

Reward the achievement of

performance measured over the

longer term aligning Executive reward

with shareholder returns.

FY23

and FY24

approach

Fixed remuneration consists of base

salary and benefits. Mercury’s policy

is to pay fixed remuneration with

reference to the fixed pay market

median.

Performance assessed against a

Company scorecard of predetermined

financial and non-financial objectives

over the course of the financial year.

Criteria closely aligned with Mercury’s

strategic objectives, purpose and goals.

Performance measured by total

shareholder return against (1) an

industry peer group and (2) the

cost of equity, in each case over the

vesting period.

Short-term performance incentives

Short-term incentives (STIs) are at-risk payments designed to motivate and reward for performance fairly in that financial year.

The target value of an STI payment is set annually as a percentage of the executive’s base salary. For FY23 the relevant target

percentage for the Chief Executive was 60% and up to 35% for other EMT members.

A proportion (70% for the Chief Executive and 50% for other EMT members) of the STI is related to a shared set of Group Key

Performance Indicators (KPIs) based on business priorities for the next 12 months, with the objective of aligning the EMT’s focus

with the company’s priorities. The balance of the STI for the Chief Executive is related to individual performance measures set

by the Board. In the case of other EMT members, the balance is related to business unit and individual performance measures.

The target STI opportunity for all Executives is 100% and maximum STI opportunity is 160%.

Breakdown of STI performance (KPI) measures for FY23


0%10%20%30%40%50%60%70%80%90%100%

Chief Executive

Other EMT

Business Unit

Group ScorecardIndividual

FY23 STI Group scorecard assessment

Aligning to our three year goals, 12 Key Performance Indicators (KPIs) were selected for the FY23 Group Scorecard. The Scorecard

consisted of on-target KPIs (aligned to 100% of the KPI) and stretch KPIs (aligned to 160% of the KPI) and appropriately weighted in

terms of value. In assessing overall performance the Board carefully considers delivery and achievement against each KPI and where

the Board deems necessary, applies discretion both upwards and downwards to agree the final outcome.

FY23

Scorecard

KPIsAlignment to 3 year ObjectivesKPI outcome

Commercial

40%

1. EBITDAF

1

target achieved

2. EBITDAF target exceeded

• Increase the value of our business to

$800m EBITDAF

1. EBITDAF target of $720m

exceeded by $17m

2. EBITDAF target of $727m

exceeded by $10m

Retail

12.5%

3. Retail consolidation of

Trustpower and Mercury

4. Lift in total connections

• Enhance our licence to operate through

collaborative work with our stakeholders

• Increase the value of our business to

$800m EBITDAF

3. Achieved. Required

milestones met

4. Achieved. Target of 20,000

connections exceeded by 16,000

Adaptive

Organisation

10%

5. Lift in safety majority

and culture

6. Increased ethnicity

in leadership roles

• Unleash the full potential of our people

through transforming culture

• Be adaptive and resilient organisation,

responsive to future needs

5. Part achieved. Overall very

positive progress made

6. Part achieved. Good progress

made, not all milestones met

Generation

Growth

10%

7. Successful execution of

the Karāpiro rehab project

8. Lift in drilling capability

• Enhance our licence to operate through

collaborative work with our stakeholders

• Increase the value of our business to

$800m EBITDAF

7. Not achieved. Milestones not met

8. Not achieved. Milestones not met

Relationships

12.5%

9. Deepening of partner

relationships

10. Growth in cultural knowledge

and capability

• Enhance our licence to operate through

collaborative work with our stakeholders

• Unleash the full potential of our people

through transforming culture

9. Part achieved. Positive

progress made which will

be built on in FY24

10. Part achieved. Good progress

made

Climate

15%

11. Progress on future

development pipeline

12. Clear path to carbon

reduction

• Play a leading role in New Zealand’s

successful transition to a low carbon

economy

• Create executable options for new growth

11. Achieved. Required

milestones met

12. Achieved. Required

milestones met

1

EBITDAF normalised for positive and negative annual variations in hydrology. For FY23 normalised EBITDAF was $737m.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

97

MENU

REMUNERATION REPORT.

The Board assessed and awarded the Group

Scorecard outcome for FY23 at 82% of maximum.

This recognises achievement of a mix of ‘on-target’,

‘stretch’ performance and those KPIs that were not

achieved.

The Board determined that stretch targets were

met for Commercial, Retail and Climate KPIs.

The Board agreed that the Adapative Organisation

and Relationships were partially met and therefore

was reduced. For the Generation KPIs the target

was not met.

FY24 Group Scorecard

The FY24 Group Scorecard aligns to our three year

goals, with 12 Key Performance Indicators (KPIs).

The Scorecard consists of on-target KPIs and

stretch KPIs and appropriately weighted in terms

of value.

ScorecardKPI’sAlignment to 3 year ObjectivesPerformance levelsMaximum amount payable

FY24

On-target and Stretch EBITDAF worth 40%

On-target and Stretch non-financial goals worth 10-15% each

Commercial1. EBITDAF target achieved

2. EBITDAF target exceeded

• Increase the value of our business to $800m

EBITDAF

6 KPIs were set at an ‘on-target’ level

and 6 KPIs were set at a ‘stretch’ level.

On-target aligned to 100% of the KPI

achieved and Stretch aligned to 160%

of the KPI achieved.

160% of the STI on-target

Retail3. New propositions piloted

4. Successful retail integration delivery

• Create executable options for new growth

• Increase the value of our business to $800m

EBITDAF

Adaptive Organisation5. Increased internal movement

6. Safety critical element verification completion

• Unleash the full potential of our people through

transforming culture

• Be adaptive and resilient organisation, responsive

to future needs

Generation Growth7. Pipeline of new renewables options

8. Reduce unplanned/forced outages

• Increase the value of our business to $800m

EBITDAF

• Create executable options for new growth

Relationships9. Deepening of partner relationships

10. Work closely with iwi partners

• Enhance our licence to operate through

collaborative work with our stakeholders

• Be adaptive and resilient organisation, responsive

to future needs

Climate11. Role in electricity sector transition progress

12. Progress non-condensable gas reinjection

• Play a leading role in New Zealand’s successful

transition to a low carbon economy

• Enhance our licence to operate through

collaborative work with our stakeholders

For FY23 and FY24 Group Scorecards, the

Commercial goal is normalised for positive and

negative annual variations in hydrology as these

are beyond management’s control.

The stretch performance levels within each goal

allowed employees to be rewarded for exceptional

performance. The maximum amount of an STI

payment for an EMT member for the shared KPIs

was 160% of the STI on-target amount.

In the event all on-target KPIs are not met on

the Scorecard, no STI payment will be made.

The Board retains discretion to ensure the

final outcome of STI payments fairly reflects

performance over the relevant financial year.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

98

MENU

Long-term performance incentives

Long-term performance incentives (LTIs) are at-risk

payments designed to align the reward of executives with the

enhancement of shareholder value over a multi-year period.

Under the LTI plan, grants are made annually with performance

measured over a three-year period. The LTI plan is a dividend

protected share rights plan and executives are granted a number

of share rights determined by dividing the face value of the

grant by the value of one Mercury share at the date of the grant.

At vesting, subject to meeting the performance hurdles, each

share right is converted to one ordinary share. The LTI outcome

opportunity is capped at 100%, though executives may also

receive additional shares representing the value of dividends

paid over the vesting period. The executive is liable for tax on

the shares received at this point.

Each grant under the LTI plan has two tranches with different

performance hurdles:

TranchePerformance hurdle

Tranche 150% of the grant is based on Mercury’s

Total Shareholder Return (TSR) relative to

the performance of an industry peer group

comprising Meridian Energy, Genesis Energy,

Contact Energy and Manawa Energy. There

is no positive TSR performance gate on this

tranche but Mercury’s TSR must be at the

50th percentile of the comparator group for

any award to be made on this component.

Tranche 250% of the grant is based on Mercury’s absolute

TSR against the company’s cost of equity over

the vesting period, plus 1%.

For the FY23 grant period commencing 1 July 2022, the

value represented 75% of the Chief Executive base salary and

between 25% to 35% of base salary for other EMT members.

The Board retains discretion over the final outcome of the LTI

plan, to allow appropriate adjustments where unanticipated

circumstances may impact performance, positively or negatively,

over a three-year period.

REMUNERATION REPORT.

Geothermal pipeline, Rotokawa power station.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

99

MENU

Chief Executive's remuneration (FY23 & FY22)

Salary

2

$Benefits

3

$Subtotal $Pay for performance $

Total remuneration

$

STILTISubtotal

Chief Executive – Vince Hawksworth

FY231,391,38573,0111,464,396993,588899,997

4

1,893,5853, 357,981

FY221,263,97657,5 431,321,519750,924N/A750,9242,072,443

2

Actual salary paid includes holiday pay paid as per NZ legislation. The base salary for Vince Hawksworth for FY22 was $1,224,000 and $1,285,200 for FY23.

3

Benefits include KiwiSaver and insurance.

4

The LTI value relates to the grant for the FY21-FY23 performance period ending 30 June 2023. The value shown is the total value of the share rights issued to

Vince at the time of the grant on 7 October 2020. 100% of the share rights for the FY21-FY23 grant will transfer to Vince after this integrated report is published.

The market value of the vested share rights will be calculated at transfer date and will be reported in our FY24 integrated report.

Five-year summary – Chief Executive's remuneration

Total

remuneration

paid

5

$

Percentage

STI against

maximum

6

%

Percentage

vested LTI against

maximum %

Span of LTI

performance

period

Chief Executive –

Vince HawksworthFY233, 357,981811002020 - 2023

FY222,072,44377Not eligibleNot eligible

FY211,799,51550Not eligibleNot eligible

FY20513,94051Not eligibleNot eligible

Chief Executive –

Fraser WhinerayFY201,653,47669872017 – 2020

FY191,975,71565502016 – 2019

5

Total remuneration paid including Salary, Benefits, STI and LTI payments.

6

For FY23 and FY22 the Maximum STI was 160% of ‘on-target’ performance pay. All other years the Maximum STI was 178% of ‘on-target’ performance pay.

Breakdown of Chief Executive's pay for performance (FY23)

DescriptionPerformance measures

Percentage

achieved by

Vince Hawksworth

STI

7

Set at 60% of base salary. Based

on a combination of key financial

and non-financial performance

measures

70% based on the six Company Shared goals

(weighted 10-40%)

82%

30% based on individual measures78%

LTI

8

FY21-FY23 grant set at 75% of

base salary. Share rights issued at

7 October 2020 with value of

$899,997. Volume weighted average

price (V WAP)

9

of 4.6997.

50% relative TSR performance against Peer Group100%

50% absolute TSR against the company’s cost of

equity over the vesting period, plus 1%.

100%

7

The above STI percentages achieved by Vince is the percentage STI against the maximum STI percentage of 160%.

The above STI for FY23 will be paid in FY24.

8

The above LTI outcome for FY21-FY23 will be issued in shares in FY24.

9

The volume weighted average price calculated across the 10 trading days including and after the Commencement Date of 1 July 2020.

Chief Executive’s long-term performance incentives

LTI TranchePerformance

Period

Grant yearNumber of share

rights issued on

grant

Value of share

rights on grant

date

Number of

share rights

vested including

dividend shares

10

Value of shares

transferred

FY21-FY23

1 July 2020 to

30 June 2023FY21191,501$899,997214,805

To be determined

on transfer date

FY22-FY24

1 July 2021 to

30 June 2024FY22137,014$917,994

To be determined

after vesting date

To be determined

on transfer date

FY23-FY25

1 July 2022 to

30 June 2025FY23167,111$963,896

To be determined

after vesting date

To be determined

on transfer date

FY24-FY26

1 July 2023 to

30 June 2026F Y2483,178$539,784

To be determined

after vesting date

To be determined

on transfer date

10

Vesting is subject to the performance hurdles being met. See page 98 for the performance hurdles.

CHIEF EXECUTIVE’S REMUNERATION.

REMUNERATION REPORT.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

100

MENU

KiwiSaver

The Chief Executive is a member of KiwiSaver. As a member of this scheme, the Chief Executive is eligible to contribute and receive

a company contribution of 3% of gross taxable earnings (including short- and long-term incentives). For FY23, the company’s

contribution for Vince Hawksworth was $64,269.

FY24 CHIEF EXECUTIVE’S REMUNERATION STRUCTURE

The Board has elected, in the interests of transparency, to disclose in advance the structure and package that will apply for FY24.

FY24Base Salary $Benefits

11

$Subtotal $Pay for performance 'on-target' $Total remuneration $

STILTI granted

12

Subtotal

Chief Executive1,349,46049, 2261,398,686809,676539,7841,349,4602,748,146

11

Benefits include KiwiSaver and insurance.

12

This LTI will be granted in FY24 and, if hurdles are met, paid in shares in 2026.

REMUNERATION REPORT.

$0

$500

$1,000

$1,500

$2,000

$2,500

$3,000

$3,500

$000

FixedOn-planMaximum

Long-term Incentives Granted (2026 vesting)

Annual Variable

Base Salary & Benefits

Chief Executive’s remuneration performance pay for FY24

CHIEF FINANCIAL OFFICER’S REMUNERATION

In the interests of providing greater transparency of executive remuneration, the Board has elected to provide details regarding total

remuneration paid to the Chief Financial Officer in FY23.

FY23Base Salary

13

$Benefits

14

$Subtotal $Pay for performance $

15

Total remuneration $

STILTISubtotal

Chief Financial

Officer539,43129,607569,038211,772169,998381,770950,808

13

Actual salary paid includes holiday pay paid as per NZ legislation.

14

Benefits include superannuation and insurance.

15

The STI payment relates to FY23 but to be paid in FY24. The LTI value above relates to the grant for the FY21-FY23 performance period ending

30 June 2023. The value shown is the total value of the share rights issued to the Chief Financial Officer (CFO) at the time of the grant on

7 October 2020. 100% of the share rights for the FY21-FY23 grant will transfer to the CFO after this integrated report is published. The market

value of the vested share rights will be calculated at transfer date.

0.00%

10.00%

20.00%

30.00%

40.00%

50.00%

60.00%

30 June 201930 June 202030 June 202130 June 202230 June 2023

Peer

MCY

-20.00%

-10.00%

TSR %

Five-year summary – TSR Performance (company vs peer group)

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

101

MENU

SHARE OwNERSHIP

The Chief Executive and Chief Financial Officer’s ownership of Mercury shares as at 30 June 2023 are:

Executive

Number of shares owned (excludes shares

held in trust for the LTI scheme)

Change in shares owned

since 30 June 2022

Chief Executive43,716

16

11,205

Chief Financial Officer042,182

17

Balance of EMT223,716

18

59, 319

16

Chief Executive shares include shares held in personal capacity as well as those held in trust. The Chief Executive also has a beneficial interest in 100,000

MCY040 bonds and 30,000 MCY060 bonds held in trust.

17

The Chief Financial Officer disclosed in an Ongoing Disclosure Notice to the market dated 8 September 2022 a transfer of 42,182 shares to Tracey Meek,

the Chief Financial Officer’s wife. The Chief Financial Officer ceased to have a relevant interest in these shares upon transfer to Tracey Meek.

18

Balance of shares owned by other EMT members as at 30 June 2023, excluding shares owned by the Chief Executive and Chief Financial Officer.

This includes shares in which a beneficial interest is held. This includes shares owned by Julia Jack who left Mercury in April 2023.

EMPLOYEE REMUNERATION

During the FY23 year the Group paid remuneration in excess of $100,000 including benefits to 602 employees (not including directors) in

the following remuneration bands:

Remuneration band

19


Currently employed No longer

employed

Total

$100,001-$110,00074680

$110,001-$120,00074478

$120,001-$130,00079483

$130,001-$140,00067471

$140,001-$150,00048351

$150,001-$160,00044-44

$160,001-$170,00045550

$170,001-$180,00022224

$180,001-$190,00014317

$190,001-$200,00021-21

$200,001-$210,00012214

$210,001-$220,00015-15

$220,001-$230,0006-6

$230,001-$240,000617

$250,001-$260,000314

Remuneration band

19


Currently employed No longer

employed

Total

$260,001-$270,000415

$270,001-$280,0003-3

$300,001-$310,0003-3

$320,001-$330,000112

$330,001-$340,0003-3

$340,001-$350,000314

$370,001-$380,0001-1

$420,001-$430,000112

$430,001-$440,0001-1

$580,001-$590,0001-1

$590,001-$600,0001-1

$660,001-$670,0001-1

$680,001-$690,0001-1

$710,001-$720,0001-1

$770,001-$780,000-11

$880,001-$890,0001-1

$1,040,001-$1,050,0001-1

$2,210,001-$2,220,0001-1

Total56240602

19

The remuneration bands above include 13 employees who received redundancy payments in FY23.

REMUNERATION REPORT.

TOTAL REMUNERATION RATIO

The total remuneration ratio for FY23 between employee (median) and Chief Executive was

1:48. This is based on, for employees, actual remuneration paid in FY23 (employee median was

$70,501) and for the Chief Executive, the amount specified in the table on page 99, $3,357,981.

1:48

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

102

MENU

DirectorBoard

Risk Assurance &

Audit Committee

People &

Performance

Committee

Nominations

CommitteeTotal

4

No. of meetings9441

2

18

Fees $

Meetings

Attended Fees $

Meetings

Attended Fees $

Meetings

Attended Fees $

Meetings

Attended Fees $

Prue Flacks

205,000

3


(Chair)

9431205,000

Dennis Barnes

6

60,08387,5833

5

2

5

67,666

Hannah Hamling

103,000

913,0004116,000

Andy Lark

7

25,750

22,500128,250

James Miller

103,000

9

28,000

(Chair)

46,0001137,000

Scott St John

103,000

94

5

20,400

(Chair)

44,5001127,900

Patrick Strange

103,000

913,00041,500

9

117,500

Mike Taitoko

103,000

910,0004113,000

Lorraine Witten

8

85,833

9

5

9,750295,583

Susan Peterson

8

85,833

81

5

7,500393,333

Total97 7,49971,33340,40012,0001,101,232

1

1

The total directors’ fee pool as at 30 June 2023 was $1,085,400. Under Rule 2.11.3 of the NZX Listing Rules, the Board may, without shareholder approval, proportionately increase the total pool of

directors’ fees to accommodate an increase in the number of directors from the number of directors in office when the fee pool was last approved by shareholders. During FY23, the number of

directors on the Board increased from eight to 10 when Lorraine Witten and Susan Peterson became directors, decreased to nine following Andy Lark’s retirement and then decreased to eight

again following Dennis Barnes’ retirement. The total directors’ fee pool, as adjusted for the changing number of directors throughout the FY23, was not fully exhausted.

2

Due to the nature of the Nominations Committee's role, its activity varies each reporting period depending on the requirements of the Board. While the Nominations Committee Charter only

requires one formal meeting annually, the Committee meets more frequently as required. In addition to the minimum annual meeting, the Committee convened on several occasions during

FY23 to discuss necessary matters.

3

Prue Flacks’ fees cover attendance at all Committee meetings.

4

Disclosure Committee is not reported on as these occur as ad-hoc and on an as required basis.

5

Dennis Barnes attended one Risk Assurance and Audit Committee meeting and two People and Performance Committee meetings as an observer. Scott St John attended four Risk Assurance

and Audit Committee meetings as an observer. Lorraine Witten attended one Board meeting as an observer. Susan Peterson attended one Risk Assurance and Audit Committee meeting as an

observer.

6

Dennis Barnes retired as a director on 16 May 2023. The fees paid are representative of part-year payments.

7

Andy Lark retired as a director on 22 September 2022. The fees paid are representative of part-year payments

8

Lorraine Witten and Susan Peterson became directors on 1 September 2022. The fees paid are representative of part-year payments.

9

Patrick Strange was a member of the Nominations Committee until 1 October 2022. This payment in FY23 relates to his membership in the period from July to September 2022.

For reference: Future Director Kim Gordon was paid $8,333 in relation to her role as future director in FY23. Kim Gordon’s position as future director ended on 1 November 2022.

DIRECTOR REMUNERATION

The directors’ remuneration is paid in the form of directors’ fees. Additional fees are

paid to the Chair and in respect of work carried out by directors on various Board

committees to reflect the additional time involved and responsibilities of these

positions. As an exception to the NZX Corporate Governance Code, Mercury does

not fully comply with Recommendation 5.1 because it does not have a director

remuneration policy. Instead, the components of director remuneration are set out

in the Board Charter (found on the Corporate Governance section of our website)

and described in this section.

The total pool of fees able to be paid to directors is subject to shareholder approval

and currently stands at $1,085,400 for a Board of eight directors. Directors’ fees

were last reviewed in 2021, with the increase taking effect from 1 October 2021.

These fees are set following consultation with key stakeholders and having

considered independent remuneration benchmarking advice. Under the NZX

Listing Rules, the size of the total pool of directors’ fees may increase from time to

time as the number of directors on the Board increases. Mercury meets directors’

reasonable travel and other costs associated with Mercury business. Mercury does

not pay any retirement benefits to non-executive directors. The following people

held office as directors during the year to 30 June 2023 and the remuneration set

out in the following table was approved during the period. The number of meetings

and attendance rate by directors during the year to 30 June 2023 was as follows:

REMUNERATION REPORT.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

MENU

103

NZX CORPORATE GOVERNANCE CODE INDEX.

NXZ CGC RecommendationSection titleLocation

PRINCIPLE 1 – ETHICAL STANDARDS

1.1 Code of ethicsActing Ethically & Responsibly

The Mercury Code & Our Policy Framework, p90-92

1.2 Financial product dealing policyActing Ethically & Responsibly

The Mercury Code & Our Policy Framework, p91

PRINCIPLE 2 – BOARD COMPOSITION & PERFORMANCE

2.1 Board charterMercury’s Board

Responsibilities, p81

2.2 Board nomination and

appointment

Mercury’s Board

Selection, Nomination & Appointment, p82

2.3 Director agreementsMercury’s Board

Selection, Nomination & Appointment, p82

2.4 a. Director profiles, tenure and

ownership interests

Your Board of Directors

Directors’ Disclosures

p75-77

Interests register, p104

b. Director meeting attendanceRemuneration Report

Director Remuneration, p102

c. Director independenceMercury’s Board

Independence, p81

2.5 Diversity policyDiversity & Inclusion

p93-94

2.6 Director trainingMercury’s Board

Induction & Development, p82

2.7 Director performanceMercury’s Board

Board Skills Matrix, p83

Reviewing Performance, p84

2.8 Majority independent directorsMercury’s Board

Independence, p81

2.9 Independent chairMercury’s Board

Independence, p81

2.10 Chair / CEO separationYour Board of Directors

Your Executive Management Team

p75-77

p78

PRINCIPLE 3 – BOARD COMMITTEES

3.1 Audit committeeMercury’s Board

Board Committees, p84-85

3.2 Attendance at audit committee

by employees by invitation

Mercury’s Board

Board Committees, p85

3.3 Remuneration committeeMercury’s Board

Board Committees, p84

As an exception to the NZX Corporate Governance Code, Mercury does not comply with

Recommendation 3.3 because it does not have a separate remuneration committee.


See the Board Committees section of this report for a full explanation of this exception.

3.4 Nomination committeeMercury’s BoardBoard Committees, p85

3.5 Other standing committeesMercury’s Board

Board Committees, p84-85

3.6 Takeover protocolActing Ethically & Responsibly

The Mercury Code & Our Policy Framework, p92

NXZ CGC RecommendationSection titleLocation

PRINCIPLE 4 – REPORTING & DISCLOSURE

4.1 Continuous disclosure policyActing Ethically & Responsibly

The Mercury Code & Our Policy Framework, p91

4.2 Code of ethics, charters and

policies on website

Acting Ethically & Responsibly

www.mercury.co.nz/investors/corporate-

governance

The Mercury Code & Our Policy Framework, p90

4.3 Balanced, clear and objective

financial reporting

Notes to the Consolidated Financial Statements

p36-57

4.4 Non-financial disclosureClimate Statement

p58-73

PRINCIPLE 5 - REMUNERATION

5.1 Director remuneration policyRemuneration Report

Director Remuneration, p102

As an exception to the NZX Corporate Governance Code, Mercury does not fully comply with

Recommendation 5.1 because it does not have a specific policy for director remuneration.


See the Remuneration Report for a full explanation of this exception.

5.2 Executive remuneration policyRemuneration ReportExecutive Remuneration, p95-101

5.3 CEO remunerationRemuneration Report

Chief Executive’s Remuneration, p99-101

PRINCIPLE 6 – RISK MANAGEMENT

6.1 Risk managementAssurance & Managing Risk

The Risks We Face

Risk Management Framework & RAAC

Responsibilities, p86-88

Our Key Risks, p13

6.2 Health and safety risksThe Risks We Face

4. Ngā Tāngata / People

Our Key Risks, p13

Lifting Health, Safety and wellbeing, p24

PRINCIPLE 7 - AUDITORS

7.1 Audit frameworkAssurance & Managing Risk

Audit Plan & Role of Auditor, p86

7.2 External auditor attends annual

meeting

Assurance & Managing Risk

Audit Plan & Role of Auditor, p86

7.3 Internal auditAssurance & Managing Risk

Internal Audit & Risk Assurance, p86

PRINCIPLE 8 – SHAREHOLDER RIGHTS & RELATIONS

8.1 Investor website

www.mercury.co.nz/investors

8.2 Shareholder communicationsEngaging With Investors

p89

8.3 Right to voteOther Disclosures

Information About Mercury NZ Limited Ordinary

Shares, p113

8.4 Pro rata offersN/A during the reporting period

8.5 Notice of meetingSee the Notice of Meeting for 2023 released

on NZX and posted on our website

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

104

MENU

INTERESTS REGISTER

Disclosure of Directors’ Interests

Section 140(1) of the New Zealand Companies Act 1993 requires a

director of a company to disclose certain interests. Under subsection

(2) a director can make disclosure by giving a general notice in

writing to the Company of a position held by a director in another

named company or entity. The following are particulars included

in the Company’s Interests Register as at 30 June 2023:

Prue Flacks

None

Hannah Hamling

Burgundy Holdco LimitedDirector

1

ArcActive LimitedShareholder

1

James Miller

Channel Infrastructure NZ Limited Chair

1

(previously

Director)

Vista Group International LimitedDirector

Ryman Healthcare LimitedDirector

1

NZX LimitedChair

2

Scott St John

Fisher & Paykel Healthcare Corporation

Limited

Chair /

Shareholder

Fonterra Co-operative Group LimitedDirector

Next Foundation (and associated vehicles)Director

ANZ Bank New Zealand LimitedDirector

Patrick Strange

Auckland International Airport Limited Chair

TransgridDirector

1

Chorus LimitedChair

2

Mike Taitoko

Takiw a L imi te d Director /

Shareholder

Waiora Consulting LimitedDirector /

Shareholder

Toha Foundry LimitedDirector /

Shareholder

Takiwā NZ LimitedDirector /

Shareholder

Maratini Holdings LimitedDirector /

Shareholder

2

Canvasland Holdings LimitedDirector /

Shareholder

2

Susan Peterson

Vista Group International LimitedChair /

Shareholder

1

Craigs Investment Partners LimitedDirector

1

CIP Holdings LimitedDirector /

Shareholder

1

Arvida Group LimitedDirector /

Shareholder

1

Xero LimitedDirector /

Shareholder

1

Lorraine witten

VWORK LimitedDirector /

Shareholder

1

Move Investments Limited

Move Logistics Group Limited

Chair /

Shareholder

1

Rakon LimitedChair /

Shareholder

1

Rakon ESOP Trustee Limited

Rakon PPS Trustee Limited

Director /

Shareholder

1

Pushpay Limited

Pushpay (New Zealand) Limited

Pushpay IP Limited

Pushpay Holdings Limited

Director /

Shareholder

1,2

Simply Security LimitedDirector /

Shareholder

1,2

Nelson Property Group LimitedDirector /

Shareholder

1,2

1

Entries added by notices given by the directors during the year ended

30 June 2023

2

Entries removed by notices given by the directors during the year ended

30 June 2023

Retired during the reporting period

Andy Lark retired as a director during the period on 22 September

2022 and Dennis Barnes retired as a director during the period on

16 May 2023. The following are particulars included against their

names in the Company’s Interest Register during the period.

Andy Lark

Group Lark Pty LimitedChair

Dubber Pty LimitedChief

Marketing

and Strategy

Officer

Dennis Barnes

Contact Energy LimitedShareholder

Snowy Hydro Ltd and associated companiesManaging

Director

1

Tilt Renewables (Australia) and subsidiariesDirector

2

PARF Company 1 - 10 Pty Ltd (multiple)Director

2

PARF FinCo 1 Pty LtdDirector

2

PARF Silverton FinCo Pty LtdDirector

2

PARF Coopers Gap FinCo Pty LtdDirector

2

PISA Acquisition Finance Company Pty LtdDirector

2

PISA Hold Co 1 Pty LtdDirector

2

PARF Company 2 Pty LtdDirector

2

DIRECTORS’ DISCLOSURES.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

105

MENU

DIRECTORS’ DISCLOSURES.

Directors’ and Officers’ Indemnities

Indemnities have been given to and insurance has been effected for, directors and senior managers of the Group to cover acts

or omissions of those persons in carrying out their duties and responsibilities as directors and senior managers.

Disclosure of Directors’ Interests in Share and Bond Transactions

Directors disclosed, pursuant to section 148 of the New Zealand Companies Act 1993, the following acquisitions and disposals

of relevant interests in shares and bonds during the period to 30 June 2023:

Name of director

Date of acquisition/

disposal of relevant

interestNature of relevant interestConsideration (NZD)

Securities

in which

a relevant

interest was

acquired/

(disposed)

Prue Flacks30 September 2022Transfer of ordinary shares as a

result of participation in Mercury’s

Dividend Reinvestment Plan

$5,086.21862

Scott St John 30 September 2022Transfer of ordinary shares as a

result of participation in Mercury’s

Dividend Reinvestment Plan

$5,476.41928

Susan Peterson7 October 2022On-market acquisition of ordinary

shares in Mercury NZ Limited

$29,830.145,400

Prue Flacks3 April 2023Transfer of ordinary shares as a

result of participation in Mercury’s

Dividend Reinvestment Plan

$3,759.87617

Scott St John3 April 2023Transfer of ordinary shares as a

result of participation in Mercury’s

Dividend Reinvestment Plan

$4,052.38665

Disclosure of Directors’ Interests in Shares and Bonds

Directors disclosed the following relevant interests in shares and bonds as at 30 June 2023:

Director

Number of Shares in which

a relevant interest is heldNumber of bondsChange since 30 June 2022

Prue Flacks47,05 438,000 MCY020 Capital Bonds

69,000 MCY030 Green Bonds

200,000 MCY050 Capital Bonds

1,479 shares

Hannah Hamling16,300––

James Miller40,320––

Scott St John 47, 239–1,593 shares

Patrick Strange39,160––

Mike Taitoko2,200––

Dennis Barnes50,000––

Susan Peterson5,400–5,400 shares

Disclosure of Subsidiary Directors’ Interests

The following are particulars included in the Interests Register for Mercury’s subsidiary companies as at 30 June 2023:

DirectorInterest Entity

Prue Flacks

1

Phil GibsonNil

Stewart HamiltonNil

Vincent Hawksworth

2

Chief Executive DirectorMercury NZ Limited

Julia JackShareholderPower to the Pedal Limited

James Miller

1

William Meek

2

Chief Financial OfficerMercury NZ Limited

Mike Taitoko

1

Marlene StrawsonNil

Howard Thomas

2

Nil

Tim AynsleyNil

1

Refer to Disclosure of Directors’ Interests.

2

This person is a Director of more than one subsidiary of Mercury NZ Limited, please refer to Company Disclosures.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

106

MENU

Twenty largest registered shareholders as at 30 June 2023

1

Name

Number

of shares

% of shares

2

The Sovereign in Right of New Zealand 716,140,52851.15

HSBC Nominees (New Zealand) Limited60,162,8524.30

HSBC Nominees (New Zealand) Limited A/C State Street 59,356,8254.24

JPMorgan Chase Bank N.A. NZ Branch-Segregated Clients ACCT 44,285,0783.16

Citibank Nominees (New Zealand) Limited 40,131,5382.87

Custodial Services Limited37,361,6222.67

BNP Paribas Nominees (NZ) Limited 32,291,2362.31

Accident Compensation Corporation 23,022,6341.64

National Nominees Limited 19,6 45, 2911.40

FNZ Custodians Limited15,462,1851.10

New Zealand Depository Nominee Limited 13,846,9070.99

Mercury NZ Limited

3

13, 219,6370.94

JBWere (NZ) Nominees Limited 13,147,5590.94

BNP Paribas Nominees (NZ) Limited 9,261,4260.66

Generate KiwiSaver Public Trust Nominees Limited 9,220,4690.66

HSBC Nominees A/C NZ Superannuation Fund Nominees Limited 9,104, 3800.65

Forsyth Barr Custodians Limited 7,718,7230.55

Tea Custodians Limited Client Property Trust Account 7,152,4980.51

ANZ Wholesale Australasian Share Fund 7,090,2180.51

Simplicity Nominees Limited 5,666,4200.40

Total1,143,288,02681.66

1

As required by the NZX Listing Rules, New Zealand Central Securities Depository (NZCSD) holdings are included above and not detailed separately.

2

Percentage calculated on the basis of Mercury having 1,400,012,517 ordinary shares on issue as at 30 June 2023, which included 13,219,637 ordinary shares held

as treasury shares.

3

Held as treasury shares.

Distribution of shareholders & holdings as at 30 June 2023

Size of holding

Number of

shareholders

% of

shareholders

1

Number of

shares

Holding

quantity %

1

1 to 1,00027,98138.9318,770,3041.34

1,001 to 5,00034,90748.5680,554,3985.75

5,001 to 10,0005,7287.9741,922,2812.99

10,001 to 100,0003,1524.3965,510,1844.68

100,001 and above 1100.151,193,255,35085.23

Total71,8781001,400,012,517100

1

Rounding applied.

Substantial product holders as at 30 June 2023

Class of Securities

Number of Securities

in Substantial Holding

Total Number of

Securities in Class

The Sovereign in Right of New ZealandOrdinary shares725,581,340

1

1,400,012,517

2

1

This comprises (a) 716,140,528 shares held by the Crown on its own account; (b) 9,372,812 shares forming part of the New Zealand Superannuation Fund which

are the property of the Crown; and (c) 68,000 shares held by Public Trust on trust for the Crown and certain iwi.

2

As at 30 June 2023, Mercury had 1,400,012,517 ordinary shares on issue, which included 13,219,637 ordinary shares held as treasury shares.

SHAREHOLDER INFORMATION

SECURITY HOLDER INFORMATION.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

107

MENU

Twenty largest registered holders of MCY020 capital bonds (3.60%) as at 30 June 2023

1

Name

Number of

MCY020

capital bonds

% of MCY020

capital bonds

2

Forsyth Barr Custodians Limited 96,141,00032.05

Custodial Services Limited 55,873,00018.62

JBWere (NZ) Nominees Limited 33,846,00011.28

Hobson Wealth Custodian Limited 21,110,0007.0 4

FNZ Custodians Limited14,419,0004.81

Forsyth Barr Custodians Limited 7,373,0002.46

Generate KiwiSaver Public Trust Nominees Limited 3,387,0001.13

Forsyth Barr Custodians Limited 3,300,0001.10

Public Trus t 3,000,0001.00

Best Farm Limited2,900,0000.97

Citibank Nominees (New Zealand) Limited 2,815,0000.94

The Tindall Foundation Inc1,800,0000.60

CML Shares Limited1,700,0000.57

Hobson Wealth Custodian Limited 1,436,0000.48

Masfen Securities Limited1,200,0000.40

Robert Murray Solloway1,025,0000.34

Richard Barton Adams & Allison Ruth Adams 1,000,0000.33

Hobson Wealth Custodian Limited 986,0000.33

JBWere (NZ) Nominees Limited 750,0000.25

Custodial Services Limited 737,0000.25

Total254,798,00084.93

1

As required by the NZX Listing Rules, New Zealand Central Securities Depository (NZCSD) holdings are included above and not detailed separately.

2

Percentage calculated on the basis of Mercury having 300,000,000 MCY020 capital bonds on issue as at 30 June 2023.

Distribution of MCY020 (3.60%) capital bondholders and holdings as at 30 June 2023

Size of holding

Number of MCY020

capital bondholders

% of MCY020 capital

bondholders

1

Number of MCY020

capital bonds

Holding

quantity %

1

1,001 to 5,000775.97385,0000.13

5,001 to 10,00024819.222,404,0000.80

10,001 to 100,00089068.9930,023,00010.01

100,001 and above755.81267,188,00089.06

Total1,290100300,000,000100

1

Rounding applied.

BONDHOLDER INFORMATION

SECURITY HOLDER INFORMATION.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

108

MENU

Twenty largest registered holders of MCY030 green bonds (1.56%) as at 30 June 2023

1

Name

Number of

MCY030

green bonds

% of MCY030

green bonds

2

Custodial Services Limited 36,838,00018.42

Forsyth Barr Custodians Limited 14,198,0007.10

BNP Paribas Nominees (NZ) Limited 13,260,0006.63

Tea Custodians Limited Client Property Trust Account 12,900,0006.45

ANZ Wholesale NZ Fixed Interest Fund 12,250,0006.13

FNZ Custodians Limited11,362,0005.68

HSBC Nominees (New Zealand) Limited8,500,0004.25

JBWere (NZ) Nominees Limited 8,397,0004.20

National Nominees Limited 7,967,0003.98

Adminis Custodial Nominees Limited6,000,0003.00

Mint Nominees Limited 5,937,0002.97

BNP Paribas Nominees (NZ) Limited 5,600,0002.80

Queen Street Nominees ACF PIE Funds 5,487,0002.74

Generate Kiwisaver Public Trust Nominees Limited 5,410,0002.7 1

MT Nominees Limited 4,448,0002.22

ANZ Custodial Services New Zealand Limited 4,417,0002.21

HSBC Nominees (New Zealand) Limited A/C State Street 3,715,0001.86

FNZ Custodians Limited 3,467,0001.73

Citibank Nominees (New Zealand) Limited 2,416,0001.21

BGLIR Trustee Limited 2,000,0001.00

Total174,569,00087. 28

1

As required by the NZX Listing Rules, New Zealand Central Securities Depository (NZCSD) holdings are included above and not detailed separately.

2

Percentage calculated on the basis of Mercury having 200,000,000 MCY030 green bonds on issue as at 30 June 2023.

Distribution of MCY030 (1.56%) green bondholders and holdings as at 30 June 2023

Size of holding

Number of MCY030

green bondholders

% of MCY030 green

bondholders

1

Number of MCY030

green bonds

Holding

quantity %

1

1,001 to 5,000175.2385,0000.04

5,001 to 10,0006219.08569,0000.28

10,001 to 100,00019359.387,130,0003.57

100,001 and above5316.31192,216,00096.11

Total325100200,000,000100

1

Rounding applied.

SECURITY HOLDER INFORMATION.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

109

MENU

Twenty largest registered holders of MCY040 green bonds (2.16%) as at 30 June 2023

1

Name

Number of

MCY040

green bonds

% of MCY040

green bonds

2

Custodial Services Limited 46,359,00023.18

FNZ Custodians Limited31,026,00015.51

BNP Paribas Nominees (NZ) Limited 16,996,0008.50

Forsyth Barr Custodians Limited 15,720,0007.86

HSBC Nominees (New Zealand) Limited 11,875,0005.94

Southland Building Society 9,250,0004.63

Pin Twenty Limited 7,178,0003.59

Citibank Nominees (New Zealand) Limited 6,705,0003.35

NZX WT Nominees Limited 4,167,0002.08

Tea Custodians Limited Client Property Trust Account 3,334,0001.67

FNZ Custodians Limited 3,329,0001.66

Dunedin City Council3,000,0001.50

MT Nominees Limited 3,000,000 1.50

Hobson Wealth Custodian Limited 2,995,0001.50

Mint Nominees Limited 2,800,0001.40

Forsyth Barr Custodians Limited 2,565,0001.28

BNP Paribas Nominees (NZ) Limited 2,500,0001.25

JBWere (NZ) Nominees Limited 2,013,0001.01

Investment Custodial Services Limited 1,964,0000.98

Forsyth Barr Custodians Limited 1,861,0000.93

Total178,637,00089.32

1

As required by the NZX Listing Rules, New Zealand Central Securities Depository (NZCSD) holdings are included above and not detailed separately.

2

Percentage calculated on the basis of Mercury having 200,000,000 MCY040 green bonds on issue as at 30 June 2023.

Distribution of MCY040 (2.16%) green bondholders and holdings as at 30 June 2023

Size of holding

Number of MCY040

green bondholders

% of MCY040 green

bondholders

1

Number of MCY040

green bonds

Holding

quantity %

1

1,001 to 5,000217.12105,0000.05

5,001 to 10,0006421.69619,0000.31

10,001 to 100,00016455.596,522,0003.26

100,001 and above4615.59192,754,00096.38

Total295100200,000,000100

1

Rounding applied.

SECURITY HOLDER INFORMATION.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

110

MENU

Twenty largest registered holders of MCY050 capital bonds (5.73%) as at 30 June 2023

1,3

Name

Number of

MCY050

capital bonds

% of MCY050

capital bonds

2

Forsyth Barr Custodians Limited 66,853,00026.74

JBWere (NZ) Nominees Limited 31,744,00012.70

National Nominees Limited 22,108,0008.84

Custodial Services Limited 18,916,0007.57

Hobson Wealth Custodian Limited 17,736,0007.09

Citibank Nominees (New Zealand) Limited 11,550,0004.62

Generate KiwiSaver Public Trust Nominees Limited 7, 337,0002.93

FNZ Custodians Limited5,692,0002.28

Forsyth Barr Custodians Limited 4,059,0001.62

Adminis Custodial Nominees Limited3,800,0001.52

CML Shares Limited3,655,0001.46

Forsyth Barr Custodians Limited 3,010,0001.20

Millar Capital Fund Limited3,000,0001.20

Investment Custodial Services Limited 2,306,0000.92

Masfen Securities Limited2,000,0000.80

Best Farm Limited1,500,0000.60

Bank of New Zealand – Treasury Support 1,219,0000.49

Hobson Wealth Custodian Limited 1,186,0000.47

Fletcher Building Educational Fund Limited1,000,0000.40

JBWere (NZ) Nominees Limited 1,000,0000.40

Robert William Bentley Morrison & Andrew James Stewart & Anthony James

William Howard

1,000,0000.40

Total210,671,00084.27

1

As required by the NZX Listing Rules, New Zealand Central Securities Depository (NZCSD) holdings are included above and not detailed separately.

2

Percentage calculated on the basis of Mercury having 250,000,000 MCY050 capital bonds on issue as at 30 June 2023.

3

The table above reports the top 21 bondholders as there are three holders sharing the 19th position.

Distribution of MCY050 (5.73%) capital bondholders and holdings as at 30 June 2023

Size of holding

Number of MCY050

capital bondholders

% of MCY050 capital

bondholders

1

Number of MCY050

capital bonds

Holding

quantity %

1

1,001 to 5,00012111.17605,0000.24

5,001 to 10,00023221.422,204,0000.88

10,001 to 100,00065060.0221,197,0008.48

100,001 and above807. 39225,994,00090.40

Total1083100250,000,000100

1

Rounding applied.

SECURITY HOLDER INFORMATION.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

111

MENU

Twenty largest registered holders of MCY060 green bonds (5.64%) as at 30 June 2023

1,3

Name

Number of

MCY060

green bonds

% of MCY060

green bonds

2

Custodial Services Limited 62,059,00041.37

National Nominees Limited 16,350,00010.90

Forsyth Barr Custodians Limited 12,942,0008.63

BNP Paribas Nominees (NZ) Limited 7,110,0004.74

FNZ Custodians Limited6,833,0004.56

Queen Street Nominees ACF PIE Funds 5,900,0003.93

Generate Kiwisaver Public Trust Nominees Limited5,890,0003.93

JBWere (NZ) Nominees Limited 4,335,0002.89

HSBC Nominees (New Zealand) Limited 4,250,0002.83

ANZ Fixed Interest Fund 2,950,0001.97

NZPT Custodians (Grosvenor) Limited 2,500,0001.67

Forsyth Barr Custodians 2,254,0001.50

Investment Custodial Services Limited 1,826,0001.22

Hobson Wealth Custodian Limited 840,0000.56

Fletcher Building Educational Fund Limited670,0000.45

HSBC Nominees (New Zealand) Limited A/C State Street 600,0000.40

ANZ Custodial Services New Zealand Limited 582,0000.39

Omega Investments Limited550,0000.37

Tea Custodians Limited Client Property Trust Account540,0000.36

BNP Paribas Nominees (NZ) Limited 500,0000.33

Citibank Nominees (New Zealand) Limited 500,0000.33

Lee Paterson Family Trust Company Limited500,0000.33

Total140,481,00093.65

1

As required by the NZX Listing Rules, New Zealand Central Securities Depository (NZCSD) holdings are included above and not detailed separately.

2

Percentage calculated on the basis of Mercury having 150,000,000 MCY060 green bonds on issue as at 30 June 2023.

3

The table above reports the top 22 bondholders as there are three holders sharing the 20th position.

Distribution of MCY060 (5.64%) green bondholders and holdings as at 30 June 2023

Size of holding

Number of MCY060

green bondholders

% of MCY060 green

bondholders

1

Number of MCY060

green bonds

Holding

quantity %

1

1,001 to 5,000279.34135,0000.09

5,001 to 10,0005418.69512,0000.34

10,001 to 100,00017058.825,098,0003.40

100,001 and above3813.15144,255,00096.17

Total289100150,000,000100

1

Rounding applied.


SECURITY HOLDER INFORMATION.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

112

MENU

STOCK EXCHANGE LISTINGS

Mercury NZ Limited (referred to in this section as “Mercury”

or “the Company”) is listed on the New Zealand stock exchange

and as an ASX Foreign Exempt Listing on the Australian stock

exchange.

In New Zealand, Mercury is listed with a “non-standard” (NS)

designation. This is due to particular provisions of the Constitution,

including the requirements regulating ownership and transfer of

Ordinary Shares.

ASX approved a change in Mercury NZ Limited’s ASX admission

category from an ASX Listing to an ASX Foreign Exempt Listing,

effective from the commencement of trading on 19 February 2016.

The Company continues to have a full listing on the NZX Main

Board, and the Company’s shares are still quoted on the ASX.

The Company is primarily regulated by the NZX, complies with

the NZX Listing Rules, and is exempt from complying with most

of the ASX Listing Rules (based on the principle of substituted

compliance).

MERCURY NZ LIMITED

The following persons held office as Directors of Mercury NZ

Limited during the 2023 financial year and as at the end of the

2023 financial year, being 30 June 2023: Prue Flacks (Chair),

Hannah Hamling, Andy Lark

1

, James Miller, Scott St John, Patrick

Strange, Mike Taitoko, Lorraine Witten

2

, Susan Peterson

2

and

Dennis Barnes

1

.

SUBSIDIARY COMPANIES

The following persons held office as directors of subsidiaries

of Mercury NZ Limited during FY23:

Company nameDirectors

Mercury SPV Limited Vincent Hawksworth

William Meek

Howard Thomas

Mercury Wind Limited Vincent Hawksworth

William Meek

Howard Thomas

Mighty Geothermal Power

International Limited

Vincent Hawksworth

William Meek

Howard Thomas

Mighty Geothermal Power Limited Vincent Hawksworth

William Meek

Howard Thomas

Mighty River Power Limited Vincent Hawksworth

William Meek

Howard Thomas

Ngātamariki Geothermal Limited Vincent Hawksworth

William Meek

Howard Thomas

NOW New Zealand Limited

3

Timothy Aynsley

Vincent Hawksworth

Paul Callow

Hamish White

Rotokawa Generation LimitedWilliam Meek

Phil Gibson

Stewart Hamilton

Rotokawa Geothermal Limited Vincent Hawksworth

William Meek

Howard Thomas

Special General Partner Limited Vincent Hawksworth

William Meek

Howard Thomas

Tararua Wind Power Limited Vincent Hawksworth

William Meek

Howard Thomas

Company nameDirectors

Blockchain Energy Limited Vincent Hawksworth

William Meek

Howard Thomas

Bosco Connect LimitedVincent Hawksworth

William Meek

Howard Thomas

Glo-Bug LimitedVincent Hawksworth

William Meek

Howard Thomas

Kawerau Geothermal LimitedVincent Hawksworth

William Meek

Howard Thomas

Mercury Drive LimitedVincent Hawksworth

2


William Meek

2

Howard Thomas

2


Julia Jack

1

Mercury Energy LimitedVincent Hawksworth

William Meek

Howard Thomas

Mercury ESPP LimitedWilliam Meek

Marlene Strawson

Howard Thomas

Mercury Geothermal LimitedVincent Hawksworth

William Meek

Howard Thomas

Mercury Insurance

Captive Limited

4

James Miller

Vincent Hawksworth

William Meek

Howard Thomas

Mercury LTI Limited Prue Flacks

Mike Taitoko

Howard Thomas

Mercury Solar LimitedVincent Hawksworth

William Meek

Howard Thomas

Company nameDirectors

Waverley Wind Farm (NZ) Holding

Limited

Vincent Hawksworth

William Meek

Howard Thomas

Waverley Wind Farm Limited Vincent Hawksworth

William Meek

Howard Thomas

What Power Crisis (2016) Limited Vincent Hawksworth

William Meek

Howard Thomas

1

Directors who resigned during FY23.

2

Directors appointed during FY23.

3

New Subsidiaries added during FY23

4

Subsidiaries removed during FY23. Mercury Insurance Captive Limited

amalgamated with What Power Crisis (2016) Limited on 28 October

2022 and has been removed from the companies register.

COMPANY DISCLOSURES.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

113

MENU

wAIVERS FROM THE NEw

ZEALAND AND AUSTRALIAN

STOCK EXCHANGES

NZX

Mercury NZ Limited (referred to in this section

as “Mercury” or “the Company”) has a waiver

in respect of NZX Listing Rule 8.1.5. This waiver

permits Mercury’s Constitution (“Constitution”)

to contain provisions allowing:

• the Crown and Mercury to enforce the

10% limit; and

• Mercury to suspend dividend and voting rights

attached to Mercury ordinary shares where the

10% limit is breached.

ASX

ASX has granted the Company waivers in respect

of the ASX Listing Rules to allow the Constitution

to contain provisions reflecting the ownership

restrictions imposed by the New Zealand Public

Finance Act 1989 (“Public Finance Act”) and to allow

the Crown to cancel the sale of shares to applicants

who acquire shares under the General Offer and are

not New Zealand applicants.

The majority of the waivers that ASX previously

granted to Mercury are no longer relevant following

the change of the Company’s admission category to

an ASX Foreign Exempt Listing in February 2016.

The waivers from ASX Listing Rules 8.10 and 8.11

continue to apply. These waivers permit the

Constitution to contain provisions:

• allowing the Crown and Mercury to enforce the

10% limit; and

• enabling Mercury to prevent shareholders who

acquired shares under the General Offer and are

not New Zealand applicants from transferring those

shares and to enable Mercury to sell those shares.

Restrictions on ownership and

transfer

The Public Finance Act includes restrictions on the

ownership of certain types of securities issued by

Mercury and consequences for breaching those

restrictions. The Constitution incorporates these

restrictions and mechanisms for monitoring and

enforcing them.

A summary of the restrictions on the ownership

of shares under the Public Finance Act and the

Constitution is set out below. If Mercury issues

any other class of shares, or other securities which

confer voting rights, in the future, the restrictions

summarised below would also apply to those

other classes of shares or voting securities.

51% Holding

The Crown must hold at least 51% of the shares

on issue.

The Company must not issue, acquire or redeem any

shares if such issue, acquisition or redemption would

result in the Crown falling below this 51% holding.

On 10 December 2018, Mercury entered into an

agreement with the Crown, under which the Crown

agrees to participate in any future dividend

reinvestment plan or share buyback of the Company,

in each case only to the extent required to maintain

the Crown’s proportionate shareholding following the

dividend reinvestment plan or share buyback. A copy

of the Crown Participation Agreement is available

on the Treasury’s website.

10% Limit

No person (other than the Crown) may have a

‘relevant interest’ in more than 10% of the shares

on issue (“10% Limit”).

INFORMATION ABOUT

MERCURY NZ LIMITED

ORDINARY SHARES

This statement sets out information about the

rights, privileges, conditions, and limitations,

including restrictions on transfer, that attach

to shares in Mercury.

Rights and privileges

Under the Constitution and the New Zealand

Companies Act 1993 (“Companies Act”), each

share gives the holder a right to:

• attend and vote at a meeting of shareholders,

including the right to cast one vote per share on

a poll on any resolution, such as a resolution to:

–appoint or remove a director;

–adopt, revoke or alter the Constitution;

–approve a major transaction (as that

term is defined in the Companies Act);

–approve the amalgamation of the

Company under section 221 of the

Companies Act; or

–place the Company in liquidation;

• receive an equal share in any distribution, including

dividends, if any, authorised by the Board and

declared and paid by the Company in respect of

that share;

• receive an equal share with other shareholders in

the distribution of surplus assets in any liquidation

of the Company;

• be sent certain information, including notices

of meeting and the Company reports sent to

shareholders generally; and

• exercise the other rights conferred upon

a shareholder by the Companies Act and

the Constitution.

The Company must not issue, acquire or redeem any

shares if it has actual knowledge that such issue,

acquisition or redemption will result in any person

other than the Crown exceeding the 10% Limit.

Ascertaining whether a breach has

occurred

If a holder of shares breaches the 10% Limit or knows

or believes that a person who has a relevant interest in

shares held by that holder may have a relevant interest

in shares in breach of the 10% Limit, the holder must

notify Mercury of the breach or potential breach.

Mercury may require a holder of shares to provide

it with a statutory declaration if the Board knows or

believes that a person is, or is likely to be, in breach of

the 10% Limit. That statutory declaration is required

to include, where applicable, details of all persons who

have a relevant interest in any shares held by

that holder.

Determining whether a breach has

occurred

Mercury has the power to determine whether a

breach of the 10% Limit has occurred and, if so,

to enforce the 10% Limit. In broad terms, if:

• Mercury considers that a person may be in

breach of the 10% Limit; or

• a holder of shares fails to lodge a statutory

declaration when required to do so or lodges


a declaration that has not been completed to

the reasonable satisfaction of the Company,

then Mercury is required to determine whether or

not the 10% Limit has been breached and, if so,

whether or not that breach was inadvertent. Mercury

must give the affected shareholder the opportunity

to make representations to the Company before it

makes a determination on these matters.

OTHER DISCLOSURES.

Effect of exceeding the 10% Limit

A person who is in breach of the 10% Limit must:

• comply with any notice received from Mercury

requiring them to dispose of shares or their

relevant interest in shares, or take any other

steps that are specified in the notice, for the

purpose of remedying the breach; and

• ensure that they are no longer in breach within 60

days after the date on which they became aware,

or ought to have been aware, of the breach. If the

breach is not remedied within that timeframe,

Mercury may arrange for the sale of the relevant

number of shares on behalf of the relevant holder.

In those circumstances, the Company will pay the

net proceeds of sale, after the deduction of any

other costs incurred by the Company in connection

with the sale (including brokerage and the costs of

investigating the breach of the 10% Limit), to the

relevant holder as soon as practicable after the sale

has been completed.

If a relevant interest is held in any shares in breach

of the 10% Limit then, for so long as that breach

continues:

• no votes may be cast in respect of any of the

shares in which a relevant interest is held in

excess of the 10% Limit; and

• the registered holder(s) of shares in which a

relevant interest is held in breach of the 10%

Limit will not be entitled to receive, in respect of

the shares in which a relevant interest is held in

excess of the 10% Limit, any dividend or other

distribution authorised by the Board in respect

of the shares.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

114

MENU

However, if the Board determines that a breach

of the 10% Limit was not inadvertent, or that it

does not have sufficient information to determine

that the breach was not inadvertent, the registered

holder may not exercise the votes attached to, and

will not be entitled to receive any dividends or other

distributions in respect of, any of its shares.

An exercise of a voting right attached to a share held

in breach of the 10% Limit must be disregarded in

counting the votes concerned. However, a resolution

passed at a meeting is not invalid where votes

exercised in breach of the voting restriction were

counted by the Company in good faith and without

knowledge of the breach.

The Board may refuse to register a transfer of shares

if it knows or believes that the transfer will result in a

breach of the 10% Limit or where the transferee has

failed to lodge a statutory declaration requested from

it by the Board within the prescribed timeframe.

Crown directions

The Crown has the power to direct the Board to

exercise certain of the powers conferred on it under

the Constitution (for example, where the Crown

suspects that the 10% Limit has been breached

but the Board has not taken steps to investigate

the suspected breach).

Trustee corporations and nominee

companies

Trustee corporations and nominee companies

(that hold securities on behalf of a large number of

separate underlying beneficial holders) are exempt

from the 10% Limit provided that certain conditions

are satisfied.

• The residue, if any, must be paid to the person

who was the holder immediately before the sale

or his or her executors, administrators or assigns.

Cancellation of sale of shares

The Crown may cancel the sale of shares to an

applicant under the offer of shares by the Crown

(“the Offer”) in the Mighty River Power Share Offer

Investment Statement and Prospectus if the applicant

misrepresented its entitlement to be allocated shares

under the Offer as a ‘New Zealand Applicant’

(as that term is defined in the Share Offer Investment

Statement and Prospectus). If the Crown cancels a

sale of shares on those grounds:

• Mercury must sell shares held by that applicant, up

to the number of shares sold to it under the Offer,

irrespective of whether or not those shares were

acquired by the applicant under the Offer (unless

the applicant had previously sold, transferred or

disposed of all of its shares to a person who was

not an associated person of the applicant); and

• the applicant will receive from the sale the lesser of:

–the sale price for the shares less the costs

incurred by the Crown and the Company; and

–the aggregate price paid for the shares less

those costs, with any excess amount being

payable to the Crown.

If an applicant who misrepresented their entitlement

to shares has sold, transferred or otherwise disposed

of shares to an associated person, then the power

of sale will extend to shares held by that associated

person, up to the number of shares transferred, sold

or otherwise disposed of to the associated person by

the relevant applicant.

Share cancellation

In certain circumstances, shares could be

cancelled by the Company through a reduction

of capital, share buy-back or other form of capital

reconstruction approved by the Board and, where

applicable, the shareholders.

Sale of less than a Minimum Holding

Mercury may, at any time, give notice to a

shareholder holding less than a Minimum Holding

of shares (as that term is defined in the NZX Listing

Rules) that if, at the end of three months after the

date the notice is given, shares then registered in

the name of the holder are less than a Minimum

Holding, Mercury may sell those shares on market

(including through a broker acting on Mercury’s

behalf), and the holder is deemed to have authorised

Mercury to act on behalf of the holder and to sign all

necessary documents relating to the sale.

For the purposes of the sale and of Rule 5.12 of

the ASX Settlement Operating Rules, where the

Company has given a notice that complies with Rule

5.12.2 of the ASX Settlement Operating Rules, the

Company may, after the end of the time specified

in the notice, initiate a Holding Adjustment to move

the relevant shares from that CHESS Holding to

an Issuer Sponsored Holding (as those terms are

defined in the ASX Settlement Operating Rules)

or to take any other action the Company considers

necessary or desirable to effect the sale.

The proceeds of the sale of any shares sold for

being less than a Minimum Holding will be applied

as follows:

• First, in payment of any reasonable sale expenses.

• Second, in satisfaction of any unpaid calls or

any other amounts owing to the Company in

respect of the shares.

PUBLIC ENTITY

Mercury is a public entity under the Public Audit

Act 2001, and the Group's independent auditor is

the Auditor-General.

DONATIONS

Donations of $228,125 were made by the Group

during the year ended 30 June 2023 ($79,199

during the year ended 30 June 2022). Under

Mercury’s Delegations Policy, donations to political

parties are prohibited.

OTHER DISCLOSURES

Mercury NZ Limited is incorporated in New Zealand

and is not subject to Chapters 6, 6A, 6B and 6C of

the Corporations Act 2001 (Australia). Mercury will

not acquire any classified assets in circumstances in

which the ASX Listing Rules would require the issue

of restricted securities, without the written consent

of ASX.

On 21 August 2023 the Board declared a fully

imputed final dividend of 13.1 cents per share to

all shareholders who are on the Company’s share

register at 5pm on the record date of 14 September

2023. The dividends will be imputed at a corporate

tax rate of 28%, which amounts to an imputation

credit of 5.1 cents per share for the final dividend.

Mercury will also pay a supplementary dividend of

2.3 cents per share relating to the final dividend to

non-resident shareholders. The Company will receive

from the New Zealand Inland Revenue Department

a tax credit equivalent to supplementary dividends.

These dividends, together with the interim dividend of

$120 million (8.7 cents per share) paid to shareholders

on 3 April 2023, brings the total declared dividends to

$302 million (or 21.8 cents per share).

OTHER DISCLOSURES.

As at the date of this annual report, the Company has

a S&P Global BBB+ rating with a stable outlook.

The Company benefits from a one-notch uplift due

to the Crown’s majority ownership.

Mercury’s Net Tangible Assets per Share

(excluding treasury stock) as at 30 June 2023

was $3.40, compared with $3.35 at 30 June 2022.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

115

MENU

STANDARD CORE REPORTING

GRI standardDisclosure title LocationComments

GENERAL DISCLOSURES

ORGANISATIONAL PROFILE

GRI 2: General Disclosures 2021

2-1Organisational detailsFront cover, Company Disclosures (p112),

Directory (p119), Who We are & Our

Business Model (p3, 5)

2-2Entities included in the organisation's

sustainability reporting

Notes to the Consolidated Financial

Statements p36

2-3Reporting period, frequency and

contact point

Front Cover, Directory (p119)

2-4Restatements of informationRestatements of greenhouse gas

emissions in prior years are described

in our FY23 GHG Emissions Inventory

Report

2-5External assuranceOur FY2023 Climate Statement has

not been externally assured

2-6Activities, value chain and other

business relationships

Who We Are & Our Business Model pp3,

5-6

2-7EmployeesOur Business Model p5

2-8Workers who are not employeesInformation unavailable

2-9Governance structure and

composition

Climate Statement p58-73

Governance at Mercury p79-92

2-10Nomination and selection of the

highest governance body

Governance at Mercury p79-92

2-11Chair of the highest governance bodyYour Board of Directors p75-77

2-12, 2-13, 2-14Role of the highest governance body

in overseeing the management of

impacts

Delegation of responsibility for

managing impacts

Role of the highest governance body

in sustainability reporting

Climate Statement p58-73

GRI standardDisclosure title LocationComments

2-15Conflicts of interestDirectors' Disclosures p104-105

2-16Communication of critical concernsThe Risks We Face p13

Climate Statement p58-73

Governance At Mercury p86-88

2-17Collective knowledge of the highest

governance body

Governance at Mercury p83

2-18Evaluation of the performance of the

highest governance body

Governance at Mercury p81-85

2-19, 2-20, 2-21Remuneration policies

Process to determine remuneration

Annual total compensation ratio

Remuneration Report p95-102

2-22Statement on sustainable

development practices

Chair and Chief Executive Update p8-10

Governance at Mercury p90-92

2-23Policy commitmentsGovernance at Mercury p90-92

The Mercury Code

Supplier Code of Conduct

Sustainability Policy

These policies can be found in the

Corporate Governance section of our

company website

2-24Embedding policy commitmentsGovernance at Mercury p90-92

2-25Processes to remediate negative

impacts

Governance at Mercury p90-91

2-26Mechanisms for seeking advice and

raising concerns

Governance at Mercury p91

2-27Compliance with laws and regulationsHow We Deliver Value p18

Climate Statement p72

2-28Membership associationsCompany website - Partnerships

2-29Approach to stakeholder

engagement

What Matters Most p12-14

2-30Collective bargaining agreements Information unavailable

GRI 3: Material Topics 2021

3-1Process to determine material topicsWhat Matters Most p12-14

3-2List of material topicsWhat Matters Most p12-14

Climate Statement p66-68

3-3Management of material topicsWhat Matters Most p12-14

Climate Statement p66-73

GLOBAL REPORTING INITIATIVE (GRI) INDEX.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

116

MENU

TOPIC STANDARDS

GRI StandardDescriptionLocationComments

GRI 201: Economic Performance 2016

201-1Direct economic value generated

and distributed

Our Business Model p4-5

Looking At The Numbers p28-29

201-2Financial implications and other

risks and opportunities due to

climate change

Climate Statement p61-68

GRI 204: Procurement Practices 2016

204-1

Proportion of spending on local

suppliers

Company website - Corporate Governance

- Modern Slavery Statement

GRI 207: Tax 2019

2 07-1

Approach to taxLooking At The Numbers, Note A3: Taxation

p41

GRI 303: Water and Effluents 2018

303-3, 303-4, 303-5Water withdrawal

Water discharge

Water consumption

Climate Statement p67Mercury extracts and

reinjects geothermal

water for geothermal

generation (some of

which is consumed

during the generation

process) and is a

non-consumptive user

of water through its

hydro power stations.

GRI 305: Emissions 2016

305-1Direct (Scope 1) GHG emissionsClimate Statement p72For further detail, see

our FY23 GHG

Emissions Inventory

Report available from

our company website

305-2Energy indirect (Scope 2)

GHG emissions

Climate Statement p72

305-3Other indirect (Scope 3)

GHG emissions

Climate Statement p72

305-4Emissions intensityClimate Statement p72

GRI StandardDescriptionLocationComments

GRI 401: Employment 2016

401-1New employee hires and

employee turnover

Progress Towards Our FY22-24 Objectives p6Mercury had 454 new

permanent staff

commence

employment in FY23.

Voluntary turnover for

permanent staff was

14.6%.

401-2Benefits provided to full-time

employees that are not provided

to temporary or part-time

employees

Company website - Careers

GRI 403: Occupational Health and

Safety 2018

403-1Occupational health and safety

management system

Company website - Health, Safety &

Wellbeing

403-4Worker participation, consultation,

and communication on

occupational health and safety

Workers' representatives hold a range of

positions on health and safety committees

including joint chair of the generation

committee

403-9Work-related injuriesProgress Towards Our FY22-24 Objectives p6

Chair and CE Update p10

GRI 405: Diversity and Equal

Opportunity 2016

405-1Diversity of governance bodies

and employees

Diversity & Inclusion p94

405-2Ratio of basic salary and

remuneration of women to men

Diversity & Inclusion p94

GLOBAL REPORTING INITIATIVE (GRI) INDEX.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

117

MENU

SECTOR SPECIFIC: ELECTRIC UTILITIES

GRI StandardDescriptionLocationComments

Sector Specific Generation

Standard Disclosures

EU1Installed capacityOur Business Model p5Mercury owns or has

interests in power

stations with installed

capacity of: Hydro

1,115MW, Geothermal

470MW, Wind 552MW

EU2Net energy outputOur Business Model p5

EU3Number of residential, industrial,

institutional and commercial

customer accounts

Our Business Model p5

EU5Allocation of CO

2

e allowancesClimate Statement p72-73

Access

EU27Number of disconnections

for non-payment

There were a total of

452 residential

disconnections in FY23

due to non-payment.

GLOBAL REPORTING INITIATIVE (GRI) INDEX.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

118

MENU

Shareholder enquiries

You can view your investment portfolio, change your

address, supply your email, update your details or

payment instructions online:

www.investorcentre.com/nz.

You will need your CSN and FIN to access this service.

Enquiries may also be addressed to the Share

Registrar (see Directory for contact details).

Investor information

Our website at mercury.co.nz is an excellent

source of information about what’s happening

within the company.

Our Investor Centre allows you to view all regular

investor communications, information on our latest

operating and financial results, dividend payments,

news and share price history.

Electronic shareholder

communication

It is quick and easy to make the change to receiving

your reports electronically. This can be done either:

• Online at www.investorcentre.com/nz by using

your CSN and FIN (when you log in for the first

time). Select ‘My Profile’ and ‘Communication

Preferences’ to update your details; or

• By contacting Computershare Investor Services

Limited (see Directory for contact details).

Paper & ink information

Our Integrated Report is printed on Eco-100

Natural paper. This environmentally-responsible,

carbon-neutral paper is produced using FSC®

(Forest Stewardship Council) certified 100%

Post Consumer Recycled, Process Chlorine

Free (PCF) pulp from Responsible Sources -

and manufactured under the strict ISO14001

Environmental Management System. It carries

the internationally-recognised Blue Angel, Nordic

Swan, Austrian Environmental Label and the

NAPM (National Association of Paper Merchants)

Recycled Mark.

The inks used are mineral-oil-free and are

manufactured from vegetable oils and fatty

acid alkyl-esters (modified vegetable oils) which

are all derived from renewable resources. They

all conform to the EuPIA (European Printing Ink

Association) exclusion list, so do not contain any

carcinogenic, mutagenic, or toxic substances

according to the Dangerous substances directive

67/548/EEC. They therefore are biodegradable

and will break down when disposed of in suitable

waste streams with extremely minimal effect on

the environment.

As you’re reading, you may notice some specks

and imperfections - these are natural attributes of

non-chlorine-bleached, recycled paper. When you’re

finished with this report, please recycle it responsibly.

INFORMATION FOR SHAREHOLDERS.

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

119

MENU

Board of Directors

Prue Flacks, Chair

Mark Binns

1

Hannah Hamling

Adrian Littlewood

James Miller

Susan Peterson

Scott St John

Patrick Strange

Mike Taitoko

Lorraine Witten

Executive Management Team

Vince Hawksworth,

Chief Executive

Lucie Drummond,

General Manager Sustainability

Phil Gibson,

General Manager Portfolio

Stewart Hamilton,

General Manager Generation

William Meek,

Chief Financial Officer

Craig Neustroski,

General Manager Commercial

Operations

Fiona Smith,

General Manager Customer Operations

Marlene Strawson,

General Manager People & Performance

Company Secretary

Howard Thomas,

General Counsel and Company Secretary

Investor Relations & Sustainability Enquiries

Paul Ruediger,

Head of Business Performance &

Investor Relations

Phone: +64 27 517 3470

Email: investor@mercury.co.nz

Registered Office in New Zealand

Mercury NZ Limited

33 Broadway, Newmarket, Auckland 1023

P O Box 90399

Auckland 1142

New Zealand

Registered Office in Australia

c/– TMF Corporate Services (Australia) Pty Limited

Suite 1, Level 11, 66 Goulburn Street,

Sydney, NSW 2000

Phone: +61 2 8988 5800

Legal Advisors

Chapman Tripp

Level 34

PwC Tower at Commercial Bay

15 Customs Street West

Auckland 1010

PO Box 2206

Auckland 1140

Phone: +64 9 357 9000

Bankers

ANZ Bank

ASB Bank

Bank of China

Bank of New Zealand

China Construction Bank

Commonwealth Bank of Australia

Industrial and Commercial Bank of China

MUFG Bank

Mizuho Bank

Westpac

Credit Rating (re-affirmed April 2023)

Long-term: BBB+

Outlook: Stable

Share Registrar – New Zealand

Computershare Investor Services Limited

Level 2, 159 Hurstmere Road, Takapuna,

Auckland 0622

Private Bag 92119

Victoria Street West

Auckland 1142, New Zealand

Phone: +64 9 488 8777

Email: enquiry@computershare.co.nz

Web: www.investorcentre.com/nz

Share Registrar – Australia

Computershare Investor Services Pty Limited

Yarra Falls, 452 Johnston Street, Abbotsford,

VIC 3067

GPO Box 3329, Melbourne, VIC 3001, Australia

Phone: 1 800 501 366 (within Australia)

Phone: +61 3 9415 4083 (outside Australia)

Email: enquiry@computershare.co.nz

DIRECTORY.

1

Appointment is effective 1 September 2023

MERCURY INTEGRATED REPORT 2023
LEADERSHIP & GOVERNANCE

MENU

CO

2

E

The universal unit of measurement to indicate the

global warming potential of each greenhouse gas

(GWP), expressed in terms of the GWP of one unit

of carbon dioxide.

CPS

Cents per share.

EBITDAF (or Operating Earnings)

Earnings before net interest expense, tax expense,

depreciation, amortisation, change in the fair value

of financial instruments, gain/(loss) on disposal

and impairments.

Free Cash Flow

Net cash flow from operating activities less

stay-in business capital expenditure.

Fugitive Emissions

Direct discharges of greenhouse gases that occur

during geothermal electricity generation processes.

Growth Capital Expenditure (CAPEX)

Capital expenditure incurred by the company

to create new assets and revenue.

Gwh

Gigawatt hour. One gigawatt hour is equal to

one million kilowatt hours.

Mwh

Megawatt hour. One megawatt hour is equal

to one thousand kilowatt hours.

Net Debt

Total borrowings (both current and non-current)

less cash and cash equivalents.

Operating Costs

Represents employee compensation and benefits,

maintenance expenses and other expenses.

Other Income

Earnings of associates and other revenue,

less direct costs of other revenue.

Stay-in-Business (SIB) Capital Expenditure

(CAPEX)

Capital expenditure incurred by the company

to maintain its assets in good working order.

Total Recordable Injury Frequency Rate (TRIFR)

A record of the number of reported medical

treatment, restricted work, lost time and serious

harm injuries per 200,000 hours, including

employees and on-site contractors.

Total Shareholder Return (TSR)

The financial gain or loss resulting from the change

in share price plus any dividends paid expressed as

a percentage of the initial share price.

Trading Margin

Sales from electricity generation, derivatives

and sales of electricity, gas and telco services

to customers, less energy costs, lines charges,

telco and other direct costs of sales and third

party metering.

Mercury presents certain non-GAAP

(Generally Accepted Accounting

Practice) financial information

throughout this integrated report.

This is provided where we believe it

will provide greater clarity to users

of the information. It also provides

consistency across reporting periods

and comparability amongst

industry peers.

GLOSSARY.

120

KARĀPIRO
ARAPUNI

wAIPĀPA

MARAETAI I

AND II

wHAKAMARU

ŌHAKURI

ĀTIAMURI

ARATIATIA

NGĀ TAMARIKI

NGĀ AwA

PŪRUA

+

LAKE TAUPŌ

ROTOKAwA

+

MŌKAI

+

KAwERAU

MAHINERANGI

KAIwERA

DOwNS++

TURITEA

TARARUA

wAIPIPI

+ not 100% owned by Mercury

++ under construction

HYDRO STATIONS

GEOTHERMAL STATIONS

wIND FARMS

MERCURY INTEGRATED REPORT 2023

LEADERSHIP & GOVERNANCE

121

MENU

Arapuni

“Ara” means path and “puni” means either

blocked up or campsite. The meaning may be

either “pathway to campsite” or “blocked path”.

Aratiatia

Aratiatia means a series of pegs stuck into a steep

ascent in a zig-zag pattern to make climbing easier.

It may also refer to the travels of the ancestral explorer

Tia of the Arawa canoe who made his way to these

rapids while exploring the Waikato River.

Ātiamuri

A-Tia-Muri literally means turned back and refers

to Tia of the Arawa canoe. This intrepid traveller had

to turn back at the Ātiamuri Rapids in his early

explorations of the Waikato River. Legend also

says that Tia was petrified into a large stone in

the river rapids.

Karāpiro

The name Karāpiro is ‘karā’ meaning rock, and ‘piro’

meaning putrid smell. In the 1820s the Ngāti Maru

tribe from the Hauraki Gulf were driven south by

Northland’s Ngāpuhi tribe. Ngāti Maru were given

refuge in the Waikato by the Ngāti Haua tribe, but

tensions mounted between them. This culminated

in the battle of Taumatawīwī in 1830. The cremation

of dead warriors took place on rocks beside the

Waikato River.

Kaiwera Downs

Named for nearby Kaiwera Downs farmland.

Kawerau

The name Kawerau means "carrier of leaves"

(and was the name of an ancient Māori chief).

Mahinerangi

Named after Lake Mahinerangi, the adjacent

Manawa hydro asset lake.

Maraetai

The name means meeting place by the sea, from

"Marae” (meeting place) and “Tai” (tide or shore).

This name was possibly transplanted from

somewhere on the coast.

Mōkai

Meaning slave or captive (i.e. captured in battle).

Nga Awa Pūrua

The station was named after the rapids, located

nearby on the Waikato River. Ngā Awa Pūrua

means "where the waters meet".

Ngā Tamariki

“The children”.

Ōhakuri

“Oha” means keepsake or relic and “kuri” means

dog. This name may refer to a prized dogskin cloak.

Rotokawa

From “kawa” meaning bitter and “roto” meaning

lake or wetlands/swamp.

Tararua

The name is taken from the range where the

wind farm is located. The metaphorical union

between people and the land, Papatūānuku, is

seen in places named after parts of the human

body. The Tararua Range was declared to be Te

Tuarātapu-o-Te Rangihaeata (the sacred back

of Te Rangihaeata) to commemorate a peace

arrangement between Ngāti Toa and Ngāti

Kahungunu. The range became a dividing line

between Ngāti Toa on the west side and Ngāti

Kahungunu on the east.

Turitea

“Bright clear water."

waipāpa

“Wai” means water, “papa” means flat or flat

rock. The name possibly means the “stream

across the plain” or “stream of the flat rock”.

waipipi

Waipipi Stream runs through the site and the

Iwi land is known as Waipipi.

whakamaru

Whakamaru means to give shelter to, or safeguard.

The power stations and wind farms generating renewable energy for New Zealand

homes and businesses have names reflecting past stories and histories.

OUR POwER STATIONS AND wIND FARMS.

RĀRANGI INGOA LIST OF NAMES.

Turitea wind farm.

ELECTRICITY, GAS,
BROADBAND...


YOU’LL FEEL RIGHT

AT HOME.

---

Distribution Notice







Section 1: Issuer information

Name of issuer Mercury NZ Limited

Financial product name/description Mercury NZ Limited ordinary shares

NZX ticker code MCY

ISIN (If unknown, check on NZX

website)

NZMRPE0001S2

Type of distribution

(Please mark with an X in the

relevant box/es)

Full Year X Quarterly

Half Year Special

DRP applies X

Record date 14/09/2023

Ex-Date (one business day before the

Record Date)

13/09/2023

Payment date (and allotment date for

DRP)

29/09/2023

Total monies associated with the

distribution

$ 181,669,867

Source of distribution (for example,

retained earnings)

Income available for distribution

Currency NZD

Section 2: Distribution amounts per financial product

Gross distribution $ 0.18194444

Gross taxable amount $ 0.18194444

Total cash distribution $ 0.13100000

Excluded amount (applicable to listed

PIEs)

N/A

Supplementary distribution amount $ 0.02311765

Section 3: Imputation credits and Resident Withholding Tax

Is the distribution imputed Fully imputed

If fully or partially imputed, please

state imputation rate as % applied

28%

Imputation tax credits per financial

product

$ 0.05094444

Resident Withholding Tax per

financial product

$ 0.00909722



Section 4: Distribution re-investment plan

DRP % discount (if any)

2.0%

Start date and end date for

determining market price for DRP

18/09/2023 22/09/2023

Date strike price to be announced (if

not available at this time)

25/09/2023

Specify source of financial products

to be issued under DRP programme

(new issue or to be bought on

market)

Treasury Stock

DRP strike price per financial product

TBC

Last date to submit a participation

notice for this distribution in

accordance with DRP participation

terms

15/09/2023

Section 5: Authority for this announcement

Name of person


authorised to make

this announcement

Howard Thomas, Company Secretary

Contact person for this

announcement

Howard Thomas, Company Secretary

Contact phone number +64 9 308 8200

Contact email address Howard.Thomas@Mercury.co.nz

Date of release through MAP


21/08/2023

Data sourced from publicly available filings. Our datasets may not be complete. Automated analysis can produce errors. If you believe any data on this page is incorrect, please contact us at hello@nzxplorer.co.nz. For informational purposes only. Not investment advice.

Other issuers discussed similar conditions around this time

Matched by meaning across NZX announcement text, not keywords — based on our semantic index of announcement bodies.