ORIGIN ENERGY LIMITED — Capital/Financing Update 2015

Oct 26, 2015

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To	Company Announcements Office	Facsimile	1300 135 638
Company	ASX Limited	Date	27 October 2015
From	Helen Hardy	Pages	3
Subject	Origin successfully completes Retail Entitlement Offer

Please find attached a release on the above subject.

Regards

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Helen Hardy Company Secretary

02 8345 5000 – helen.hardy@originenergy.com.au

Origin Energy Limited ACN 000 051 696  Level 45 Australia Square, 264-278 George Street, Sydney NSW 2000 GPO Box 5376, Sydney NSW 2001  Telephone (02) 8345 5000  Facsimile (02) 9252 1566  www.originenergy.com.au

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ASX/Media Release

27 October 2015

Origin successfully completes Retail Entitlement Offer

Origin Energy Limited (Origin) today announced the successful completion of the retail component of its fully underwritten 4 for 7 pro rata accelerated renounceable entitlement offer (Retail Entitlement Offer) of new Origin ordinary shares (New Shares).

Completion of the Retail Entitlement Offer represents the second stage of Origin’s $2.5 billion equity raising, announced on Wednesday 30 September 2015.

The institutional component of the Entitlement Offer was completed on Friday 2 October 2015, raising approximately $1.35 billion.

Retail Entitlement Offer – Highlights

• $791 million in applications under the Retail Entitlement Offer were received from more than 73,000 retail shareholders and purchasers of entitlements

• 66% of available New Shares taken-up under the Retail Entitlement Offer

• 101 million New Shares will be offered under the retail shortfall bookbuild on Wednesday 28 October 2015

The Retail Entitlement Offer attracted strong demand, with Origin receiving valid acceptances in respect of 198 million New Shares (approximately $791 million), representing 66 per cent of New Shares available under the Retail Entitlement Offer.

Origin Managing Director, Mr Grant King said, “Origin’s retail shareholders responded very favourably to the Retail Entitlement Offer, taking up 66 per cent of the new shares available to them.

“The success of the retail offer, following a very successful institutional offer, demonstrates strong investor support for Origin and its suite of capital initiatives to restore balance sheet strength and maintain an investment grade credit rating,” Mr King said.

Retail Shortfall Bookbuild

Origin will offer for sale under the retail shortfall bookbuild approximately 101 million New Shares, which represents those retail entitlements which were not taken-up by close of the Retail Entitlement Offer and in respect of shareholders that were ineligible to participate in the Entitlement Offer. The retail shortfall bookbuild will be completed on Wednesday 28 October 2015.

The settlement date for New Shares under the Retail Entitlement Offer and the retail shortfall bookbuild is expected to be Monday 2 November 2015. New Shares taken up under the Retail Entitlement Offer and the retail shortfall bookbuild are expected to be issued on

Origin Energy Limited ABN 30 000 051 696 ∙Level 45 Australia Square, 264-278 George Street, Sydney NSW 2000 GPO Box 5376, Sydney NSW 2001 ∙Telephone (02) 8345 5000 ∙Facsimile (02) 9252 1566 ∙www.originenergy.com.au

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Wednesday 4 November 2015 and commence trading on the ASX on Thursday 5 November 2015.

Enquiries

If you have any questions, please call the Origin Information Line on 1300 664 446 (within Australia) or +61 2 8016 2896 (International), or consult your financial adviser or other professional adviser. The Origin Information Line will be open from 8.15am to 5.30pm (Sydney time), Monday to Friday. Alternatively, you can access information about the Retail Entitlement Offer online at originoffer.boardroomlimited.com.au.

For further information contact:

Media

Investors

Lina Melero Peter Rice General Manager, External Affairs General Manager, Capital Markets Ph: +61 2 8345 5217 Ph: +61 2 8345 5308 Mobile: +61 427 017 798 Mobile: +61 417 230 306

About Origin Energy

Origin Energy (ASX: ORG) is the leading Australian integrated energy company with market leading positions in energy retailing (approximately 4.3 million customers), power generation (approximately 6,000 MW of capacity owned and contracted) and natural gas production (1,093 PJ of 2P reserves and annual production of 82 PJe). To match its leadership in the supply of green energy, Origin also aspires to be a leading solar company in Australia.

Through Australia Pacific LNG, its incorporated joint venture with ConocoPhillips and Sinopec, Origin is developing Australia’s biggest CSG to LNG project based on the country’s largest 2P CSG reserves base.

PLACEHOLDER ONLY

www.originenergy.com.au

NOT FOR DISTRIBUTION OR RELEASE IN THE UNITED STATES

This announcement does not constitute an offer to sell, or the solicitation of an offer to buy, any securities in the United States. Neither the Entitlements nor the New Shares have been, or will be, registered under the U.S. Securities Act of 1933, as amended (the “Securities Act”) or the securities laws of any state or other jurisdiction of the United States.

Accordingly, the Entitlements and the New Shares may not be offered or sold to persons in the United States or persons acting for the account or benefit of a person in the United States, unless such Entitlements or New Shares have been registered under the Securities Act, or are offered and sold in a transaction exempt from, or not subject to, the registration requirements of the Securities Act and applicable U.S. state securities laws.

Neither this announcement nor any other documents relating to the offer of Entitlements or New Shares may be sent or distributed to persons in the United States.

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