Amended Capital Change Notice relating to DRP

The Mercury Building, 33 Broadway, Newmarket 1023
PO Box 90399, Auckland 1142





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

NEWS RELEASE

Amended Capital Change Notice relating to
DRP

1 October 2026 – This release replaces the earlier Capital Change Notice released at 2.55pm on 30
September 2026, as it contains the incorrect Total Shares Quoted of 1,436,932,702. The correct
figure is 1,436,932,703 which is contained in this release.

Mercury NZ Limited provides the attached amended Capital Change Notice under NZX Listing Rule
3.13.1. This Notice relates to the issue of 11,891,754 ordinary shares under Mercury’s Dividend
Reinvestment Plan (DRP), announced on 22 February 2022, in respect of the FY2026 final dividend.

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 inquiries, please contact:
Catherine Morab
Communications
09 282 1158
mercurycommunications@mercury.co.nz


ABOUT MERCURY NZ LIMITED

Mercury’s generation assets produce electricity from 100% renewable sources: hydro, geothermal
and wind. We’re 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 of Mercury.

Visit us at: www.mercury.co.nz

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Capital Change Notice
Section 1: Issuer information
Name of issuer Mercury NZ Limited (Mercury)
NZX ticker code MCY
Class of financial product Ordinary Shares
ISIN (If unknown, check on NZX website) NZMRPE0001S2
Currency NZD
Section 2: Capital change details
Number issued/acquired/redeemed 11,891,754 newly issued ordinary shares
Nominal value (if any) Not applicable
Issue/acquisition/redemption price per security $6.5414
Nature of the payment (for example, cash or other
consideration)
Cash, including reinvestment of dividend
proceeds pursuant to the Dividend
Reinvestment Plan
Amount paid up (if not in full) Fully paid ordinary shares
Percentage of total class of Financial Products
issued/acquired/redeemed/ (calculated on the
number of Financial Products of the Class,
excluding any Treasury Stock, in existence)
1

0.83%
For an issue of Convertible Financial Products or
Options, the principal terms of Conversion (for
example the Conversion price and Conversion date
and the ranking of the Financial Product in relation
to other Classes of Financial Product) or the Option
(for example, the exercise price and exercise date)
Not applicable
Reason for issue/acquisition/redemption and
specific authority for issue/acquisition/redemption/
(the reason for change must be identified here)
Issue of 11,891,754 new ordinary shares
to existing shareholders pursuant to the
terms of the Dividend Reinvestment Plan
in respect of the FY2026 final ordinary
dividend payable on 30 September 2026
Total number of Financial Products of the Class
after the issue/acquisition/redemption/Conversion
(excluding Treasury Stock) and the total number of
Financial Products of the Class held as Treasury
Stock after the issue/acquisition/redemption.
1,436,932,703 ordinary shares
0 treasury stock.
In the case of an acquisition of shares, whether
those shares are to be held as treasury stock
Not applicable
Specific authority for the issue, acquisition, or
redemption, including a reference to the rule
pursuant to which the issue, acquisition, or
redemption is made
Directors’ resolutions dated 17 August
2026 pursuant to NZX Listing Rule 4.8.1

Terms or details of the issue, acquisition, or
redemption (for example: restrictions, escrow
arrangements)
The Shares issued are quoted ordinary
shares ranking equally in all respects with
the existing ordinary shares on issue
Date of issue/acquisition/redemption
2
30 September 2026
Section 3: Disclosure required for Placements made under Rule 4.5.1
Details of the approach in identifying investors who
were able to participate in the offer and how their
respective allocations in the offer were determined.
The explanation must set out the key objectives
and criterial the Issuer adopted in the allocation
process, whether one of those objectives was a
best effort to allocate on a pro rata basis to existing
holders of the Issuer’s Equity Securities, and any
significant exceptions or deviations from those
objectives and criteria.
Not applicable
Section 4: Authority for this announcement and contact person
Name of person

authorised to make this
announcement
Howard Thomas, General Counsel &
Company Secretary
Contact person for this announcement Howard Thomas
Contact phone number 09 308 8270
Contact email address Howard.Thomas@mercury.co.nz
Date of release through MAP

1 October 2026