ORIGIN ENERGY LIMITED — Director's Dealing 2024

Sep 2, 2024

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To	Company Announcements Office	Facsimile	1300 135 638
Company	ASX Limited	Date	3 September 2024
From	Helen Hardy	Pages	6
Subject	Appendix 3Y

Please find attached a release on the above subject.

The sale of shares by Mr Calabria was primarily to cover personal tax obligations arising from the vesting of Origin equity incentives. Mr Calabria retains a significant interest in the Company which is well above his Minimum Shareholding Requirement.

The trade was undertaken in accordance with the Company’s Dealing in Securities Policy.

Regards

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Authorised for lodgement by: Helen Hardy Company Secretary

02 8345 5000

Origin Energy Limited ABN 30 000 051 696 • Level 32, Tower 1, 100 Barangaroo Avenue, Barangaroo, NSW 2000 GPO Box 5376, Sydney NSW 2001 • Telephone (02) 8345 5000 • Facsimile (02) 9252 9244• www.originenergy.com.au

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity ORIGIN ENERGY LIMITED ABN 30 000 051 696

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Frank Calabria
Date of last notice	19 April 2024

Part 1 ‐ Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

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Direct or indirect interest Direct and indirect interests
Nature of indirect interest Indirect interests include:
(including registered holder)  Fully Paid Ordinary Shares held
Note: Provide details of the circumstances giving rise to the relevant interest. indirectly through Cluesfam Pty Ltd
; and
 Restricted Shares held on behalf of Mr
Calabria in the name of Origin
Employee Share Trust.
Date of change 1) 27-29 August 2024
2) 28 August 2024 and 2 September 2024
3) 28 August 2024
4) 28 August 2024
No. of securities held prior to change 371,708 Fully Paid Ordinary Shares
held directly
1,040,726 Fully Paid Ordinary Shares
held indirectly
508,247 Performance Share Rights
held directly
557,243 Restricted Share Rights held
directly
Class 1) Fully Paid Ordinary Shares
2) Restricted Shares
3) Performance Share Rights
4) Restricted Share Rights
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01/01/2011

Appendix 3Y Page 1

Number acquired	1) 198,696 Restricted Sharesreleased intoFullyPaid Ordinary Shares at nil consideration pursuant to the terms of Origin’s Equity Incentive Plan 2) Allotment of 553,467 Restricted Shares, including: a. 125,770 Restricted Shares as part of Mr Calabria’s 2024 Deferred STI; and b. 427,697 Restricted Shares allocated on vesting of 235,989 Performance Share Rights and 139,801 Restricted Share Rights, plus 51,907 Dividend Equivalent Restricted Shares, in accordance with the Equity Incentive Plan Rules 3) N/A 4) N/A
Number disposed	1) 195,000Fully Paid Ordinary Shares 2) 198,696 Restricted Sharesreleased intoFullyPaid Ordinary Shares at nil consideration pursuant to the terms of Origin’s Equity Incentive Plan 3) 235,989 Performance Share Rights vestedpursuant to the terms of Origin’s Equity Incentive Plan 4) 139,801 Restricted Share Rights vested pursuant to the terms of Origin’s Equity Incentive Plan
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	1) On market sale of 195,000 Fully Paid Ordinary Shares at an average price of $9.95. 198,696 Restricted Shares released into Fully Paid Ordinary Shares at nil consideration pursuant to the terms of Origin’s Equity Incentive Plan 2) Restricted Shares are allotted at nil consideration pursuant to the terms of Origin’s Equity Incentive Plan 3) N/A 4) N/A

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

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No. of securities held after change 380,404 Fully Paid Ordinary Shares
held directly
1,390,497 Fully Paid Ordinary Shares
held indirectly
272,258 Performance Share Rights
held directly
417,442 Restricted Share Rights held
directly
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No. of securities held after change 380,404 Fully Paid Ordinary Shares held directly 1,390,497 Fully Paid Ordinary Shares held indirectly 272,258 Performance Share Rights held directly 417,442 Restricted Share Rights held directly	No. of securities held after change 380,404 Fully Paid Ordinary Shares held directly 1,390,497 Fully Paid Ordinary Shares held indirectly 272,258 Performance Share Rights held directly 417,442 Restricted Share Rights held directly
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back	1) On-market sale of Fully Paid Ordinary Shares and movement of 198,696 Restricted Shares from indirect interest to direct interest on release of restrictions in accordance with Equity Incentive Plan Rules 2) Allotment of 553,467 Restricted Shares, including: a. 125,770 Restricted Shares as part of Mr Calabria’s 2024 Deferred STI; and b. 427,697 Restricted Shares allocated on vesting of 235,989 Performance Share Rights and 139,801 Restricted Share Rights, plus 51,907 Dividend Equivalent Restricted Shares, in accordance with the Equity Incentive Plan Rules 3) Vesting of 235,989 Performance Share Rights in accordance with the Equity Incentive Plan Rules 4) Vesting of 139,801 Restricted Share Rights in accordance with the Equity Incentive Plan Rules

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	N/A

Appendix 3Y Page 2

01/01/2011

Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

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Appendix 3Y Change of Director’s Interest Notice

Part 3 –[+] Closed period

Were the interests in the securities or contracts detailed No above traded during a[+] closed period where prior written clearance was required? If so, was prior written clearance provided to allow the N/A trade to proceed during this period? If prior written clearance was provided, on what date was N/A this provided?

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 3