SPH Notice - Infratil Limited (Infratil)

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Disclosure of movement of 1% or more in substantial holding
or change in nature of relevant interest, or both
Sections 277 and 278, Financial Markets Conduct Act 2013
To NZX Limited
and
To Contact Energy Limited (CEN)
Relevant event being disclosed: Movement of 1% or more in substantial holding
Date of relevant event: 25 May 2026
Date this disclosure made: 25 May 2026
Date last disclosure made: 20 May 2026
Substantial product holder(s) giving disclosure
Full name(s): Infratil Limited (Infratil) and Infratil Investments Limited (Infratil
Investments)
Summary of substantial holding
Class of quoted voting products: ordinary shares in CEN
Summary for Infratil
For this disclosure,—
(a) total number held in class: 97,227,021
(b) total in class: 1,070,627,153
(c) total percentage held in class: 9.081%
For last disclosure,—
(a) total number held in class: 150,758,379
(b) total in class: 1,070,627,153
(c) total percentage held in class: 14.081%
Summary for Infratil Investments
For this disclosure,—
(a) total number held in class: 97,227,021
(b) total in class: 1,070,627,153
(c) total percentage held in class: 9.081%

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For last disclosure,—
(a) total number held in class: 150,758,379
(b) total in class: 1,070,627,153
(c) total percentage held in class: 14.081%
Details of transactions and events giving rise to relevant event
Details of the transactions or other events requiring disclosure:
As disclosed in a previous notice dated 20 May 2026, on 20 May 2026 Infratil Investments
entered into a letter agreement (Agreement) with Macquarie Securities (NZ) Limited
(Underwriter) under which Infratil Investments appointed the Underwriter to underwrite,
sell and manage the disposal of 53,531,358 ordinary shares in CEN currently held by
Infratil Investments (with the ability to upsize the sale subject to demand). A copy of the
Agreement was attached to Infratil's and Infratil Investment’s substantial product holder
notice to the NZX and CEN dated 20 May 2026. Pursuant to the Agreement, 53,531,358
ordinary shares in CEN held by Infratil Investments have been allocated to investors, at a
sale price of $9.25 per ordinary share. Settlement of this sale occurred on 25 May 2026.
Details after relevant event
Details for Infratil
Nature of relevant interest(s): Relevant interest in CEN ordinary shares held by Infratil
Investments, as Infratil has the power to exercise, or control the exercise of, the right to
vote attached to 20% or more of the voting products of, Infratil Investments and the
power to acquire or dispose of, or to control the acquisition or disposal of, 20% or more of
the voting products of, Infratil Investments.
For that relevant interest,—
(a) number held in class: 97,227,021
(b) percentage held in class: 9.081%
(c) current registered holder(s): Infratil Investments
(d) registered holder(s) once transfers are registered: N/A
Details for Infratil Investments
Nature of relevant interest(s): Registered holder of ordinary shares in CEN.
For that relevant interest,—
(a) number held in class: 97,227,021
(b) percentage held in class: 9.081%
(c) current registered holder(s): Infratil Investments

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(d) registered holder(s) once transfers are registered: N/A
Additional information
Address(es) of substantial product holder(s): 5 Market Lane, Wellington, 6011, New
Zealand
Contact details: Head of Legal
Email: legal@hrlmorrison.com
Phone: +64 27 706 6610
Nature of connection between substantial product holders: Infratil Investments is a
subsidiary (within the meaning of section 5 of the Companies Act 1993) of Infratil and is
therefore a related body corporate and associated person of Infratil (within the meanings
of those terms in sections 12(1) and (2) of the Financial Markets Conduct Act 2013).
Name of any other person believed to have given, or believed to be required to give, a
disclosure under the Financial Markets Conduct Act 2013 in relation to the financial
products to which this disclosure relates: Macquarie Securities (NZ) Limited.
Certification
I, Brendan Kevany, 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.