Ongoing Dislcosure Notice

Ongoing Disclosure Notice
Disclosure of Directors and Senior Managers Relevant
Interests
Sections 297(2) and 298(2), Financial Markets Conduct Act
2013
To NZX Limited; and
Name of listed issuer:
Mercury NZ Limited
Date this disclosure made:
8 October 2026
Date of last disclosure:
7 May 2026
Director or senior manager giving disclosure
Full name(s):
Robert David Hamilton
Name of listed issuer:
Mercury NZ Limited
Name of related body corporate (if applicable):
Not applicable
Position held in listed issuer:
Director
Summary of acquisition or disposal of relevant interest (excluding specified derivatives)
Class of affected quoted financial products:
Ordinary Shares (NZXC: MCY)
Nature of the affected relevant interest(s):
Beneficial owner of ordinary shares held
by registered holder and custodian, FNZ
Custodians Limited.
For that relevant interest-
Number held in class before acquisition or disposal:
7,621
Number held in class after acquisition or disposal:
7,819
Current registered holder(s):
FNZ Custodians Limited
Registered holder(s) once transfers are registered:
Not applicable
Summary of acquisition or disposal of specified derivatives relevant interest (if applicable)
Type of affected derivative:
Not applicable
Class of underlying financial products:
Not applicable
Details of affected derivative-
The notional value of the derivative (if any) or the notional amount of
underlying financial products (if any):
Not applicable
A statement as to whether the derivative is cash settled or physically
settled:
Not applicable
Maturity date of the derivative (if any):
Not applicable
Expiry date of the derivative(if any):
Not applicable
The price specified in the terms of the derivative (if any):
Not applicable

Any other details needed to understand how the amount of the
consideration payable under the derivative or the value of the derivative
is affected by the value of the underlying financial products:
Not applicable
For that derivative,-
Parties to the derivative:
Not applicable
If the director or senior manager is not a party to the derivative, the
nature of the relevant interest in the derivative:
Not applicable
Details of transactions giving rise to acquisition or disposal
Total number of transactions to which notice relates: 1
Details of transactions requiring disclosure-
Date of transaction:30 September 2026
Nature of transaction: Issue of ordinary shares as a result of
participation in Mercury's Dividend
Reinvestment Plan.
Name of any other party or parties to the transaction (if known):Mercury NZ Limited
The consideration, expressed in New Zealand dollars, paid or received
for the acquisition or disposal. If the consideration was not in cash and
cannot be readily by converted into a cash value, describe the
consideration:
$1,205.60
Number of financial products to which the transaction related: 198
If the issuer has a financial products trading policy that prohibits
directors or senior managers from trading during any period without
written clearance (a closed period) include the following details—
Whether relevant interests were acquired or disposed of during a closed
period:
Not applicable
Whether prior written clearance was provided to allow the acquisition or
disposal to proceed during the closed period:
Not applicable
Date of the prior written clearance (if any):
Not applicable
Summary of other relevant interests after acquisition or disposal:
Class of quoted financial products:Not applicable
Nature of relevant interest:Not applicable
For that relevant interest,-
Number held in class:Not applicable
Current registered holder(s):Not applicable
For a derivative relevant interest,-
Type of derivative:Not applicable
Details of derivative,-
The notional value of the derivative (if any) or the notional amount of
underlying financial products (if any):
Not applicable

A statement as to whether the derivative is cash settled or physically
settled:
Not applicable
Maturity date of the derivative (if any):Not applicable
Expiry date of the derivative (if any):Not applicable
The price's specified terms (if any):Not applicable
Any other details needed to understand how the amount of the
consideration payable under the derivative or the value of the derivative
is affected by the value of the underlying financial products:
Not applicable
For that derivative relevant interest,-
Not applicable
Parties to the derivative: Not applicable
If the director or senior manager is not a party to the derivative, the
nature of the relevant interest in the derivative:
Not applicable
Certification
I, certify that, to the best of my knowledge and belief, the information
contained in this disclosure is correct and that I am duly authorised to
make this disclosure by all persons for whom it is made.
Signature of director or officer:Not applicable
Date of signature:
or
Signature of person authorised to sign on behalf of director or officer:
Date of signature:
8 October 2026
Name and title of authorised person:
Rebecca Woolacott, Legal & Commercial
Manager

---

Ongoing Disclosure Notice
Disclosure of Directors and Senior Managers
Relevant Interests
Sections 297(2) and 298(2), Financial Markets
Conduct Act 2013
To NZX Limited; and
Name of listed issuer:
Mercury NZ Limited
Date this disclosure made:
8 October 2026
Date of last disclosure:
2 September 2026
Director or senior manager giving disclosure
Full name(s):
Stewart Allan Hamilton
Name of listed issuer:
Mercury NZ Limited
Name of related body corporate (if applicable):
Not applicable
Position held in listed issuer:
Chief Executive
Summary of acquisition or disposal of relevant interest (excluding specified derivatives)
Class of affected quoted financial products:
Ordinary Shares (NZXC: MCY)
Nature of the affected relevant interest(s):
For the first relevant interest, registered holder and
beneficial owner; and for the second relevant
interest, beneficial owner of ordinary shares held via
custodian arrangement with Sharesies Nominee
Limited.
For that relevant interest-
Number held in class before acquisition or disposal:
16,695.27668882 (consisting of the first relevant
interest: 4,486; and the second relevant interest:
12,209.27668882)
Number held in class after acquisition or disposal:
17,098.54177536 (consisting of the first relevant
interest: 4,594; and the second relevant interest:
12,504.54177536)
Current registered holder(s):
First relevant interest held by Stewart Allan
Hamilton, and second relevant interest held by
Sharesies Nominee Limited (as Custodian).
Registered holder(s) once transfers are registered:
Not applicable
Summary of acquisition or disposal of specified derivatives relevant interest (if applicable)
Type of affected derivative:
Not applicable
Class of underlying financial products:
Not applicable
Details of affected derivative-
The notional value of the derivative (if any) or the notional
amount of underlying financial products (if any):
Not applicable
A statement as to whether the derivative is cash settled or
physically settled:
Not applicable

Maturity date of the derivative (if any):
Not applicable
Expiry date of the derivative(if any):
Not applicable
The price specified in the terms of the derivative (if any):
Not applicable
Any other details needed to understand how the amount of the
consideration payable under the derivative or the value of the
derivative is affected by the value of the underlying financial
products:
Not applicable
For that derivative,-
Parties to the derivative:
Not applicable
If the director or senior manager is not a party to the derivative,
the nature of the relevant interest in the derivative:
Not applicable
Details of transactions giving rise to acquisition or
disposal
Total number of transactions to which notice relates: 2
Details of transactions requiring disclosure-
Date of transaction:30 September 2026
Nature of transaction:
Issue of ordinary shares as a result of participation
in Mercury's Dividend Reinvestment Plan by
Stewart Allan Hamilton as registered holder and
beneficial owner.
Name of any other party or parties to the transaction (if known):
Mercury NZ Limited
The consideration, expressed in New Zealand dollars, paid or
received for the acquisition or disposal. If the consideration was
not in cash and cannot be readily by converted into a cash
value, describe the consideration:
$709.66
Number of financial products to which the transaction related:
108
If the issuer has a financial products trading policy that
prohibits directors or senior managers from trading during any
period without written clearance (a closed period) include the
following details—
Whether relevant interests were acquired or disposed of during
a closed period:
Not applicable
Whether prior written clearance was provided to allow the
acquisition or disposal to proceed during the closed period:
Not applicable
Date of the prior written clearance (if any):
Not applicable
Details of transactions requiring disclosure-
Date of transaction:30 September 2026
Nature of transaction:
Issue of ordinary shares as a result of participation
in Mercury's Dividend Reinvestment Plan by
Stewart Allan Hamilton as beneficial owner of
shares held via custodian arrangement with
Sharesies Nominee Limited.
Name of any other party or parties to the transaction (if known):
Mercury NZ Limited
The consideration, expressed in New Zealand dollars, paid or
received for the acquisition or disposal. If the consideration was
not in cash and cannot be readily by converted into a cash
value, describe the consideration:
$1,931.447037

Number of financial products to which the transaction related:
295.26508654
If the issuer has a financial products trading policy that
prohibits directors or senior managers from trading during any
period without written clearance (a closed period) include the
following details—
Whether relevant interests were acquired or disposed of during
a closed period:
Not applicable
Whether prior written clearance was provided to allow the
acquisition or disposal to proceed during the closed period:
Not applicable
Date of the prior written clearance (if any):
Not applicable
Summary of other relevant interests after acquisition or disposal:
Class of quoted financial products:Not applicable
Nature of relevant interest:Not applicable
For that relevant interest,-
Number held in class:Not applicable
Current registered holder(s):Not applicable
For a derivative relevant interest,-
Type of derivative:Not applicable
Details of derivative,-
The notional value of the derivative (if any) or the notional
amount of underlying financial products (if any):
Not applicable
A statement as to whether the derivative is cash settled or
physically settled:
Not applicable
Maturity date of the derivative (if any):Not applicable
Expiry date of the derivative (if any):Not applicable
The price's specified terms (if any):Not applicable
Any other details needed to understand how the amount of the
consideration payable under the derivative or the value of the
derivative is affected by the value of the underlying financial
products:
Not applicable
For that derivative relevant interest,- Not applicable
Parties to the derivative: Not applicable
If the director or senior manager is not a party to the derivative,
the nature of the relevant interest in the derivative:
Not applicable
Certification
I, certify that, to the best of my knowledge and belief, the
information contained in this disclosure is correct and that I am
duly authorised to make this disclosure by all persons for whom
it is made.
Signature of director or officer:
Not applicable
Date of signature:
or
Signature of person authorised to sign on behalf of director or
officer:
Date of signature:
8 October 2026
Name and title of authorised person:Rebecca Woolacott, Legal & Commercial Manager

---

+A1:C81
Ongoing Disclosure Notice
Disclosure of Directors and Senior Managers
Relevant Interests
Sections 297(2) and 298(2), Financial Markets
Conduct Act 2013
To NZX Limited; and
Name of listed issuer:
Mercury NZ Limited
Date this disclosure made:
8 October 2026
Date of last disclosure:
2 October 2026
Director or senior manager giving disclosure
Full name(s):
Craig Bernard John Neustroski
Name of listed issuer:
Mercury NZ Limited
Name of related body corporate (if applicable):
Not applicable
Position held in listed issuer:
Former Chief Strategy and Transformation Officer
Summary of acquisition or disposal of relevant interest (excluding specified derivatives)
Class of affected quoted financial products:
Ordinary Shares (NZXC:MCY)
Nature of the affected relevant interest(s):
Power to acquire or dispose of, or control the
acquisition or disposal of, and power to exercise, or
control the exercise of voting rights attached to
ordinary shares as trustee of the 316 Family Trust.
For that relevant interest-
Number held in class before acquisition or disposal:
0
Number held in class after acquisition or disposal:
0
Current registered holder(s):
C B J Neustroski & Others (316 Family Trust)
Registered holder(s) once transfers are registered:
Not applicable
Summary of acquisition or disposal of specified derivatives relevant interest (if applicable)
Type of affected derivative:
Not applicable
Class of underlying financial products:
Not applicable
Details of affected derivative-
The notional value of the derivative (if any) or the notional
amount of underlying financial products (if any):
Not applicable
A statement as to whether the derivative is cash settled or
physically settled:
Not applicable
Maturity date of the derivative (if any):
Not applicable
Expiry date of the derivative(if any):Not applicable
The price specified in the terms of the derivative (if any):Not applicable

Any other details needed to understand how the amount of
the consideration payable under the derivative or the value
of the derivative is affected by the value of the underlying
financial products:
Not applicable
For that derivative,-
Parties to the derivative:
Not applicable
If the director or senior manager is not a party to the
derivative, the nature of the relevant interest in the
Not applicable
Details of transactions giving rise to acquisition or
disposal
Total number of transactions to which notice relates: 2
Details of transactions requiring disclosure-
Date of transaction:30 September 2026
Nature of transaction: Issue of ordinary shares as a result of participation
in Mercury's Dividend Reinvestment Plan, in
respect of shares held at the dividend record date.
Name of any other party or parties to the transaction (if known): Mercury NZ Limited
The consideration, expressed in New Zealand dollars, paid
or received for the acquisition or disposal. If the
consideration was not in cash and cannot be readily by
converted into a cash value, describe the consideration:
$1,151.34
Number of financial products to which the transaction related: 176 ordinary shares
If the issuer has a financial products trading policy that
prohibits directors or senior managers from trading during
any period without written clearance (a closed period)
include the following details—
Whether relevant interests were acquired or disposed of
during a closed period:
Not applicable
Whether prior written clearance was provided to allow the
acquisition or disposal to proceed during the closed period:
Not applicable
Date of the prior written clearance (if any):
Not applicable
Details of transactions requiring disclosure-
Date of transaction:5 October 2026
Nature of transaction: On-market sale of ordinary shares
Name of any other party or parties to the transaction (if known): Not known
The consideration, expressed in New Zealand dollars, paid
or received for the acquisition or disposal. If the
consideration was not in cash and cannot be readily by
converted into a cash value, describe the consideration:
$1,202.20
Number of financial products to which the transaction related: 176 ordinary shares
If the issuer has a financial products trading policy that
prohibits directors or senior managers from trading during
any period without written clearance (a closed period)
include the following details—
during a closed period:
Not applicable
Whether prior written clearance was provided to allow the
acquisition or disposal to proceed during the closed period:
Not applicable
Date of the prior written clearance (if any):Not applicable

Summary of other relevant interests after acquisition or disposal:
Class of quoted financial products:
Not applicable
Nature of relevant interest:
Not applicable
For that relevant interest,-
Number held in class:
Not applicable
Current registered holder(s):
Not applicable
For a derivative relevant interest,-
Type of derivative:
Not applicable
Expiry date of the derivative (if any):Not applicable
The price's specified terms (if any):Not applicable
Any other details needed to understand how the amount of
the consideration payable under the derivative or the value
of the derivative is affected by the value of the underlying
financial products:
Not applicable
For that derivative relevant interest,- Not applicable
Parties to the derivative: Not applicable
If the director or senior manager is not a party to the
derivative, the nature of the relevant interest in the
derivative:
Not applicable
Certification
I, certify that, to the best of my knowledge and belief, the
information contained in this disclosure is correct and that I
am duly authorised to make this disclosure by all persons
for whom it is made.
Signature of director or officer:
Not applicable
Date of signature:
or
Signature of person authorised to sign on behalf of director
or officer:
Date of signature:8 October 2026
Name and title of authorised person:Rebecca Woolacott, Legal & Commercial Manager

---

O
ngoing Disclosure Notice
Disclosure of Directors and Senior Managers Relevant
Interests
Sections 297(2) and 298(2), Financial Markets Conduct Act
2013
To NZX Limited; and
Name of listed issuer:
Mercury NZ Limited
Date this disclosure made:
8 October 2026
Date of last disclosure:
23 June 2026
Director or senior manager giving disclosure
Full name(s):
Susan Ruth Peterson
Name of listed issuer:
Mercury NZ Limited
Name of related body corporate (if applicable):
Not applicable
Position held in listed issuer:
Director
Summary of acquisition or disposal of relevant interest (excluding specified derivatives)
Class of affected quoted financial products:
Ordinary Shares (NZXC: MCY)
Nature of the affected relevant interest(s):
Registered holder and beneficial owner
For that relevant interest-
Number held in class before acquisition or disposal:
9,991
Number held in class after acquisition or disposal:
10,233
Current registered holder(s):
Susan Ruth Peterson
Registered holder(s) once transfers are registered:
Not applicable
Summary of acquisition or disposal of specified derivatives relevant interest (if applicable)
Type of affected derivative:
Not applicable
Class of underlying financial products:
Not applicable
Details of affected derivative-
The notional value of the derivative (if any) or the notional amount of
underlying financial products (if any):
Not applicable
A statement as to whether the derivative is cash settled or physically
settled:
Not applicable
Maturity date of the derivative (if any):
Not applicable
Expiry date of the derivative(if any):
Not applicable
The price specified in the terms of the derivative (if any):
Not applicable
Any other details needed to understand how the amount of the
consideration payable under the derivative or the value of the derivative
is affected by the value of the underlying financial products:
Not applicable

For that derivative,-
Parties to the derivative:
Not applicable
If the director or senior manager is not a party to the derivative, the
nature of the relevant interest in the derivative:
Not applicable
Details of transactions giving rise to acquisition or disposal
Total number of transactions to which notice relates: 1
Details of transactions requiring disclosure-
Date of transaction:30 September 2026
Nature of transaction: Issue of ordinary shares as a result of
participation in Mercury's Dividend
Reinvestment Plan.
Name of any other party or parties to the transaction (if known):
Mercury NZ Limited
The consideration, expressed in New Zealand dollars, paid or received
for the acquisition or disposal. If the consideration was not in cash and
cannot be readily by converted into a cash value, describe the
consideration:
$1,580.52
Number of financial products to which the transaction related:
242
If the issuer has a financial products trading policy that prohibits
directors or senior managers from trading during any period without
written clearance (a closed period) include the following details—
Whether relevant interests were acquired or disposed of during a closed
period:
Not applicable
Whether prior written clearance was provided to allow the acquisition or
disposal to proceed during the closed period:
Not applicable
Date of the prior written clearance (if any):
Not applicable
Summary of other relevant interests after acquisition or disposal:
Class of quoted financial products:
Not applicable
Nature of relevant interest:
Not applicable
For that relevant interest,-
Number held in class:
Not applicable
Current registered holder(s):
Not applicable
For a derivative relevant interest,-
Type of derivative:
Not applicable
Details of derivative,-
The notional value of the derivative (if any) or the notional amount of
underlying financial products (if any):
Not applicable
A statement as to whether the derivative is cash settled or physically
settled:
Not applicable
Maturity date of the derivative (if any):
Not applicable
Expiry date of the derivative (if any):
Not applicable
The price's specified terms (if any):
Not applicable
Any other details needed to understand how the amount of the
consideration payable under the derivative or the value of the derivative
is affected by the value of the underlying financial products:
Not applicable

For that derivative relevant interest,-
Not applicable
Parties to the derivative: Not applicable
If the director or senior manager is not a party to the derivative, the
nature of the relevant interest in the derivative:
Not applicable
Certification
I, certify that, to the best of my knowledge and belief, the information
contained in this disclosure is correct and that I am duly authorised to
make this disclosure by all persons for whom it is made.
Signature of director or officer:Not applicable
Date of signature:
or
Signature of person authorised to sign on behalf of director or officer:
Date of signature:
8 October 2026
Name and title of authorised person:
Rebecca Woolacott, Legal & Commercial
Manager