MERCURY NZ LIMITED — Director's Dealing 2023

Apr 30, 2023

STOCK EXCHANGE LISTINGS: NEW ZEALAND (MCY) / AUSTRALIA (MCY)

NEWS RELEASE

Ongoing Disclosure Notices

1 May 2023 - Attached are Ongoing Disclosure Notices for:

• Prudence Flacks

• Scott St John

• Vince Hawksworth

• Lucie Drummond

ENDS

Howard Thomas General Counsel and Company Secretary Mercury NZ Limited

For investor relations queries, please contact: Paul Ruediger Head of Business Performance and Investor Relations 0275 173 470 investor@mercury.co.nz

For media queries, please contact:

Shannon Goldstone Head of Communications Media phone: 027 210 5337 media@mercury.co.nz

ABOUT MERCURY NZ LIMITED

We generate electricity from 100% renewable sources – hydro, geothermal and wind. We also sell utility services to our customers through our retail brands – Mercury, Trustpower and GLOBUG.

We're listed on the New Zealand Stock Exchange and the Australian Stock Exchange with foreign exempt listed status with the ticker symbol 'MCY'. The New Zealand Government holds a legislated 51% shareholding in the Company.

Visit us at: www.mercury.co.nz

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:
Date this disclosure made:
Date of last disclosure:

Mercury NZ Limited
11 May 2023
14 October 2022

Director or senior manager giving disclosure
Full name(s):
Name of listed issuer:
Name of related body corporate (if applicable):
Position held in listed issuer: I

Prudence Mary Flacks
Mercury NZ Limited
Not applicable
Director

Summary of acquisition or disposal of relevant interest (excluding specified derivatives)

I Class of affected quoted financial products:	Ordinary Shares (NZX: MCY)
.	-------------
Nature of the affected relevant interest(s):	IRegistered holder and beneficial owner

For that relevant interest-

$\overline{\phantom{a}}$

Number held in class before acquisition or disposal:
Number held in class after acquisition or disposal:
Current registered holder(s):
Registered holder(s) once transfers are registered:

Summary of acquisition or disposal of specified derivatives relevant interest (if applica ble)

Type of affected derivative:

Class of underlying financial products:

Details of affected derivative-

The notional value of the derivative (if any) or the notional amount of underlying financial products (if any):

A statement as to whether the derivative is cash settled or physically settled:

Maturity date of the derivative (if any):

Expiry date of the derivative(if any):

The price specified in the terms of the derivative (if any):

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:

For that derivative.-

Parties to the derivative:

If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:

Details of transactions giving rise to acquisition or disposal

Total number of transactions to which notice relates:

able)
Not applicable
Not applicable

Prudence Mary Flacks Not applicable

Not applicable
Not applicable
Not applicable
Not applicable
Not applicable

Not applicable

46,437 47,054

Not applicable Not applicable

$\overline{1}$

Date of transaction:	3 April 2023
Nature of transaction:	Transfer 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:
	\$3,759.87
Number of financial products to which the transaction related: 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-	617
Whether relevant interests were acquired or disposed of during a closed period:	No
Whether prior written clearance was provided to allow the acquisition or disposal to
proceed during the closed period: Date of the prior written clearance (if any):	Not applicable
	Not applicable
Summary of other relevant interests after acquisition or disposal:
Class of quoted financial products:	Capital bonds in Mercury NZ Limited (NZX: MCY020)
Nature of relevant interest:	Registered holder and beneficial owner
For that relevant interest.-
Number held in class:	38,000
Current registered holder(s): For a derivative relevant interest,-	Prudence Mary Flacks
Type of derivative:	Not applicable
Class of quoted financial products:	Green bonds in Mercury NZ Limited (NZX: MCY030)
Nature of relevant interest:	Registered holder and beneficial owner
For that relevant interest,-
Number held in class:	69,000
Current registered holder(s):	Prudence Mary Flacks
For a derivative relevant interest,-
Type of derivative:	Not applicable
Class of quoted financial products:	Capital bonds in Mercury NZ Limited (NZX: MCY050) Registered holder and beneficial
Nature of relevant interest:	owner
For that relevant interest.-
Number held in class:	200,000
Current registered holder(s):	Prudence Mary Flacks
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:

Maturity date of the derivative (if any):

Expiry date of the derivative (if any):

The price's specified terms (if any):

Not applicable
Not applicable
Not applicable
Not applicable
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:

For that derivative relevant interest.-

Parties to the derivative:

If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:

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.

$\hat{\mathcal{A}}$

Signature of director or officer:

Date of signature:

$\circ$ r

Signature of person authorised to sign on behalf of director or officer:

Date of signature:

Name and title of authorised person:

Not applicable

Not applicable Not applicable

$O\cup O$ 1 May 2023 Howard Thomas, General Counsel

$\mathbf{I}$

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:
IDate this disclosure made:
Date of last disclosure:

Mercury NZ Limited
11 May 2023
14 October 2022

Director or senior manager giving disclosure
Full name(s):
Name of listed issuer:
Name of related body corporate (if applicable):
l Position held in listed issuer:

Scott Andrew St John
Mercury NZ Limited
Not applicable
Director

Summary of acquisition or disposal of relevant interest (excluding specified derivatives)

I Class of affected quoted financial products:	Ordinary Shares (NZX: MCY)
Nature of the affected relevant interest(s):	Beneficial owner
IFor that relevant interest-

Number held in class before acquisition or disposal:
Number held in class after acquisition or disposal:
Current registered holder(s):
Registered holder(s) once transfers are registered:

46,574
47.239
FNZ Custodians Ltd
Not applicable

Summary of acquisition or disposal of specified derivatives relevant interest (if applicable)

Type of affected derivative: Class of underlying financial products:

Details of affected derivative-

No
No
No
No
N o
No

For that derivative,-

Parties to the derivative:

If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:

Details of transactions giving rise to acquisition or disposal

Total number of transactions to which notice relates:

Not applicable Not applicable

Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable

Not applicable
Not applicable

İ1

IDate of transaction∶
Nature of transaction:
Name of any other party or parties to the transaction (if 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:

Number of financial products to which the transaction related:

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: Whether prior written clearance was provided to allow the acquisition or disposal to proceed during the closed period:

Date of the prior written clearance (if any):

Summary of other relevant interests after acquisition or disposal:

Class of quoted financial products: Nature of relevant interest:

For that relevant interest.-

Number held in class:

Current registered holder(s):

For a derivative relevant interest,-Type of derivative:

Details of derivative,-

The notional value of the derivative (if any) or the notional amount of underlying
financial products (if any):

A statement as to whether the derivative is cash settled or physically settled:

Maturity date of the derivative (if any):

Expiry date of the derivative (if any):

The price's specified terms (if any):

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: For that derivative relevant interest.-

Parties to the derivative:

If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:

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:

Date of signature:

or

Signature of person authorised to sign on behalf of director or officer:

Date of signature:

Name and title of authorised person:

3 April 2023

Transfer of ordinary shares as a result of participation in Mercury's Dividend Reinvestment Plan

Mercury NZ Limited

\$4.052.38 665

No
Not applicable
Not applicable

Not applicable
Not applicable

Not applicable
Not applicable

Not applicable
Not applicable

1 May 2023 Howard Thomas, General
Counsel

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:
Date this disclosure made:
Date of last disclosure:

Director or senior manager giving disclosure

Full name(s): Name of listed issuer:

Name of related body corporate (if applicable):

Position held in listed issuer:

Mercury NZ Limited
11 May 2023
114 October 2022

Vincent James Hawksworth
Mercury NZ Limited
Not applicable
lChief Executive

Summary of acquisition or disposal of relevant interest (excluding specified derivatives)

Class of affected quoted financial products:	Ordinary Shares (NZX: MCY)
Nature of the affected relevant interest(s):	Power to acquire or dispose of, or to control the acquisition or disposal of, and power to exercise, or to control the exercise of, a right to vote attached to, ordinary shares as trustee of the Hawksworth Family │ Trust
For that relevant interest-
Number held in class before acquisition or disposal:	41,050
Number held in class after acquisition or disposal:	41,636
Current registered holder(s):	Investment Custodial Services Limitad

Registered holder(s) once transfers are registered:

	Not applicable
الملماء مللسمية

Limited

Summary of acquisition or disposal of specified derivatives relevant interest (if applicable)

vative vne . . . н ' ب ______ ______ ---------------------------------------	$\mathcal{L}^{\text{max}}{\text{max}}$ and $\mathcal{L}^{\text{max}}{\text{max}}$ and $\mathcal{L}^{\text{max}}_{\text{max}}$ NJ. ноне
---------- ducts. financia mæ - O.L wu ______ ______	N bie a formal particular and an except of the control of the control of the control of the control of the control of

Details of affected derivative-

BULGIO OI GITUOLOG GUITTALITU
The notional value of the derivative (if any) or the notional amount of underlying
financial products (if any):
A statement as to whether the derivative is cash settled or physically settled:
Maturity date of the derivative (if any):
.

Expiry date of the derivative(if any):

The price specified in the terms of the derivative (if any):

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:

For that derivative,-

Parties to the derivative:

If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:

Details of transactions giving rise to acquisition or disposal

Total number of transactions to which notice relates:

Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable

11

Date of transaction:

Nature of transaction:

Name of any other party or parties to the transaction (if 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:

Number of financial products to which the transaction related:

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: Whether prior written clearance was provided to allow the acquisition or disposal to proceed during the closed period: Date of the prior written clearance (if any):

Summary of other relevant interests after acquisition or disposal:

Class of quoted financial products:

Nature of relevant interest:

For that relevant interest.-

Number held in class:

Current registered holder(s):

For a derivative relevant interest,-

Type of derivative:

Class of quoted financial products:

Nature of relevant interest:

For that relevant interest,-

Number held in class:

Current registered holder(s):

For a derivative relevant interest,-

Type of derivative:

Details of derivative,-

The notional value of the derivative (if any) or the notional amount of underlying financial products (if any);

A statement as to whether the derivative is cash settled or physically settled:

Maturity date of the derivative (if any):

Expiry date of the derivative (if any):

The price's specified terms (if any):

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:

For that derivative relevant interest,-

Parties to the derivative:

If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:

3 April 2023
Transfer of ordinary shares as a result of participation in Mercury's Dividend Reinvestment Plan
Mercury NZ Limited
\$3,571.35

lNo
Not applicable
Not applicable

Ordinary Shares (NZX: MCY) Registered holder

2.080 Vincent James Hawksworth

Not applicable

Green Bonds in Mercury NZ Limited (NZX: MCY040) Power to acquire or dispose of, or to control the acquisition or disposal of, bonds as trustee of the Hawksworth Family Trust

100,000 Investment Custodial Services Limited

Not applicable

Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable

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.

$\hat{\mathcal{L}}$

$\bar{\phantom{a}}$

Signature of director or officer:

Date of signature:

$\overline{or}$

Signature of person authorised to sign on behalf of director or officer:

Date of signature:

$\mathcal{A}$

Name and title of authorised person:

1 May 2023
Howard Thomas, General Counsel

$\bar{\mathcal{A}}$

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:
Date this disclosure made:
Date of last disclosure:

Director or senior manager giving disclosure

Full name(s):

Name of listed issuer:

Name of related body corporate (if applicable):

Position held in listed issuer:

Mercury NZ Limited 1 May 2023 14 October 2022

Lucy Drummond (also known as
Lucie)
Mercury NZ Limited
Not applicable
Conoral Manager Suctainability

Summary of acquisition or disposal of relevant interest (excluding specified derivatives)

Class of affected quoted financial products:		Ordinary Shares (NZX: MCY)
Nature of the affected relevant interest(s):		Registered holder and beneficial Iowner
For that relevant interest-

Number held in class before acquisition or disposal:
Number held in class after acquisition or disposal:
Current registered holder(s):

Registered holder(s) once transfers are registered:

Summary of acquisition or disposal of specified derivatives relevant interest (if applicable)

Type of affected derivative: ----------------------	applicable
Class of underlying financial products:	INot applicable.

Details of affected derivative-

The notional value of the derivative (if any) or the notional amount of underlying
financial products (if any):
A statement as to whether the derivative is cash settled or physically settled:

Maturity date of the derivative (if any):

Expiry date of the derivative(if any):

The price specified in the terms of the derivative (if any):

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:

For that derivative,-

Parties to the derivative:

If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:

Details of transactions giving rise to acquisition or disposal

Total number of transactions to which notice relates:

Not applicable

Lucy Drummond and Christopher

$9,107$ $9,228$

Rennie

Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable

Nature of transaction:

Date of transaction:

Name of any other party or parties to the transaction (if 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:

Number of financial products to which the transaction related:

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:
Whether prior written clearance was provided to allow the acquisition or disposal to
proceed during the closed period:
Date of the prior written clearance (if any):

Summary of other relevant interests after acquisition or disposal:

Class of quoted financial products:
Nature of relevant interest:
For that relevant interest.-
Number held in class:

Current registered holder(s):

For a derivative relevant interest,-

Type of derivative:

Details of derivative,-

The notional value of the derivative (if any) or the notional amount of underlying
financial products (if any):

A statement as to whether the derivative is cash settled or physically settled:

Maturity date of the derivative (if any):

Expiry date of the derivative (if any):

The price's specified terms (if any):

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: For that derivative relevant interest,-

Parties to the derivative:

If the director or senior manager is not a party to the derivative, the nature of the relevant interest in the derivative:

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:

Date of signature:

or

Signature of person authorised to sign on behalf of director or officer:

Date of signature:

Name and title of authorised person:

	3 Anril 2023

Transfer of ordinary shares as a result of participation in Mercury's Dividend Reinvestment Plan

Mercury NZ Limited

\$737.35 121

l No
Not applicable
Not applicable

Not applicable
Not applicable

Not applicable
Not applicable

Not applicable

Not applicable
Not applicable
Not applicable
Not applicable
Not applicable

Not applicable
Not applicable

1 May 2023
Howard Thomas, General Counsel