AGL ENERGY LIMITED. — Proxy Solicitation & Information Statement 2022

May 24, 2022

AGL Energy Limited ABN 74 115 061 375

Locked Bag 3013 Australia Square NSW 1215 Australia

Level 24, 200 George St Sydney NSW 2000 Australia

T: +61 2 9921 2999 F: +61 2 9921 2552 www.agl.com.au

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ASX & Media Release

Shareholder letter in relation to AGL Energy’s proposed demerger

25 May 2022

In accordance with ASX Listing Rule 3.17, please see the attached copy of a letter being sent to shareholders today in relation to AGL Energy’s proposed demerger.

Authorised for release by AGL Energy’s Company Secretary, John Fitzgerald.

Further enquiries

James Thompson Brett Cox Head of Investor Relations Head of Media Relations M: +61 403 183 563 M: +61 498 074 613 E: JThompson5@agl.com.au E: Bcox@agl.com.au

About AGL Energy

Proudly Australian for more than 180 years, AGL Energy supplies around 4.5 million energy and telecommunications customer services[1.] We’re committed to becoming a leading multi-product retailer, making energy and other essential services simple, fair and transparent. AGL Energy operates Australia’s largest private electricity generation portfolio within the National Electricity Market, comprising coal and gas-fired generation, renewable energy sources such as wind, hydro and solar, batteries and other firming technology, and gas production and storage assets. We are building on our history as Australia’s leading private investor in renewable energy to now lead the business of transition to a low emissions, affordable and smart energy future in line with the goals of our Climate Statement. We have a passionate belief in progress and a relentless determination to make things better for our communities, customers, the Australian economy and our planet.

1 Services to customers number is as at 31 December 2021 and includes Click Energy and 100% of approximately 300,000 services to customers of ActewAGL, in which AGL owns a 50% equity stake of the retail operations.

1

VOTE IN FAVOUR

Dear Shareholder,

AGL Energy’s Demerger will create two industry leading companies – AGL Australia and ������������ – that will unlock shareholder value, advance Australia’s new energy future and enable a responsible transition of Australia’s energy system towards decarbonisation.

Distinct dividend policies, capital structures, and financial policies for each company will support future growth and returns for shareholders.

We recommend that you read the Demerger Scheme Booklet and Notices of Meetings in full as it sets out important information about the Demerger, including the advantages, disadvantages and risks associated with the Demerger, and will assist you to make an informed decision on how to vote on the Demerger.

Peter Botten

Chairman, AGL Energy

Proxy voting closes ��������������������������������� . Shareholders attending the AGL Energy General & Scheme Meetings in person or via the online platform have the opportunity to vote on the day.

Vote online: by attending the General Meeting via the ������������������������������������������������������� ������������������������������������������

Vote in person: by attending the AGL Energy General Meeting and Scheme Meeting at the International Convention Centre Sydney, 14 Darling Drive, Sydney ���������������������������������������������� ����������

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by lodging a proxy online at www.investorvote.com.au ������������������������������������������������������������������� ������������������������������������������������������������������� ������������������������������������������������������ by mailing the Voting Form to Computershare Investor Services Pty ������������������������������������������������������������������ ���������������������� ���������������������������������������������������������������� ��������������������������������