ORIGIN ENERGY LIMITED — Share Issue/Capital Change 2025

Sep 7, 2025

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Announcement Summary

Entity name

ORIGIN ENERGY LIMITED

Date of this announcement

Monday September 08, 2025

The +securities the subject of this notification are:

+Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX Total number of +securities to be issued/transferred

		Total number of
ASX +security		+securities to be
code	Security description	issued/transferred	Issue date
ORGAK	PERFORMANCE SHARE RIGHTS	162,015	01/09/2025
ORGAO	RESTRICTED SHARE RIGHTS	162,012	01/09/2025

Refer to next page for full details of the announcement

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Part 1 - Entity and announcement details

1.1 Name of entity

ORIGIN ENERGY LIMITED

We (the entity named above) give notice of the issue, conversion or payment up of the following unquoted +securities.

1.2 Registered number type Registration number ABN 30000051696

1.3 ASX issuer code

ORG

1.4 The announcement is

New announcement

1.5 Date of this announcement

8/9/2025

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Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

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Part 2 - Issue details

2.1 The +securities the subject of this notification are:

+Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX

2.2a This notification is given in relation to an issue of +securities in a class which is not quoted on ASX and which:

has an existing ASX security code ("existing class")

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Part 3B - number and type of +securities the subject of this notification (existing class) where issue has not previously been notified to ASX in an Appendix 3B

ASX +security code and description

ORGAK : PERFORMANCE SHARE RIGHTS

Date the +securities the subject of this notification were issued

1/9/2025

Will these +securities rank equally in all respects from their issue date with the existing issued +securities in that class

Yes

Were any of the +securities issued to +key management personnel (KMP) or an +associate? Yes

Provide details of the KMP or +associates being issued +securities.

Name of KMP	Name of registered holder	Number of +securities
Anthony Lucas	Mr Anthony Robert Lucas	40,645
Jonathan Briskin	Mr Jonathan David Briskin	40,645
Gregory Jarvis	Mr Gregory James Jarvis	40,645
Andrew Thornton	Mr Andrew Herbert Thornton	40,080

Please provide a URL link for a document lodged with ASX detailing the terms of the +employee incentive scheme or a summary of the terms

Summary of the terms of the Origin Energy Equity Incentive Plan rules are set out in Section 3 of the Remuneration Report accessible at: https://www.originenergy.com.au/about/investors-media/full-year-results-2025/

Any other information the entity wishes to provide about the +securities the subject of this notification

Issue details

Number of +securities

162,015

ASX +security code and description

ORGAO : RESTRICTED SHARE RIGHTS

Date the +securities the subject of this notification were issued

1/9/2025

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Will these +securities rank equally in all respects from their issue date with the existing issued +securities in that class Yes

Were any of the +securities issued to +key management personnel (KMP) or an +associate? Yes

Provide details of the KMP or +associates being issued +securities.

Name of KMP	Name of registered holder	Number of +securities
Anthony Lucas	Mr Anthony Robert Lucas	40,644
Jonathan Briskin	Mr Jonathan David Briskin	40,644
Gregory Jarvis	Mr Gregory James Jarvis	40,644
Andrew Thornton	Mr Andrew Herbert Thornton	40,080

Please provide a URL link for a document lodged with ASX detailing the terms of the +employee incentive scheme or a summary of the terms

Summary of the terms of the Origin Energy Equity Incentive Plan rules are set out in Section 3 of the Remuneration Report accessible at: https://www.originenergy.com.au/about/investors-media/full-year-results-2025/

Any other information the entity wishes to provide about the +securities the subject of this notification

Issue details

Number of +securities

162,012

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Part 4 - +Securities on issue

Following the issue, conversion or payment up of the +securities the subject of this notification, the +securities of the entity will comprise:

The figures in parts 4.1 and 4.2 below are automatically generated and may not reflect the entity's current issued capital if other Appendix 2A, Appendix 3G or Appendix 3H forms are currently with ASX for processing.

4.1 Quoted +securities (Total number of each +class of +securities issued and quoted on ASX)

	Total number of
ASX +security code and description	+securities on issue
ORG : ORDINARY FULLY PAID	1,722,747,671

4.2 Unquoted +securities (Total number of each +class of +securities issued but not quoted on ASX)

	Total number of
ASX +security code and description	+securities on issue
ORGAK : PERFORMANCE SHARE RIGHTS	2,365,839
ORGAN : SHARE RIGHTS	962,503
ORGAO : RESTRICTED SHARE RIGHTS	3,066,392

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Part 5 - Other Listing Rule requirements

5.1 Were the +securities issued under an exception in Listing Rule 7.2 and therefore the issue did not need any security holder approval under Listing Rule 7.1? No

5.2 Has the entity obtained, or is it obtaining, +security holder approval for the issue under listing rule 7.1? No

5.2b Are any of the +securities being issued without +security holder approval using the entity's 15% placement capacity under listing rule 7.1? Yes

5.2b.1 How many +securities are being issued without +security holder approval using the entity's 15% placement capacity under listing rule 7.1?

162,015 Performance Share Rights 162,012 Restricted Share Rights

5.2c Are any of the +securities being issued without +security holder approval using the entity's additional 10% placement capacity under listing rule 7.1A (if applicable)? No

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