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Sinopec International Takes Up Additional Addax Petroleum Corporation Shares

Calgary, Alberta, August 27th, 2009 – Sinopec International Petroleum Exploration and Production Corporation ("Sinopec International") is pleased to announce that additional common shares of Addax Petroleum Corporation ("Addax Petroleum") have been tendered to the offer (the "Offer") dated July 9, 2009, as extended, made by Mirror Lake Oil and Gas Company Limited ("Mirror Lake"), an indirect whollyowned subsidiary of Sinopec International. Mirror Lake has taken up all such additional Addax Petroleum common shares as of the expiry of the Offer on August 27, 2009 and has now taken up an aggregate of 162,947,508 Addax Petroleum common shares, representing approximately 98.22% of the Addax Petroleum common shares on a diluted basis.

Reader Advisory

This announcement is for informational purposes only and does not constitute or form part of any offer or invitation to purchase, acquire, subscribe for, sell, dispose of or issue, or any solicitation of an offer to sell, dispose, issue purchase, acquire or subscribe for any security.

For further information: Sinopec International Petroleum Exploration and Production
Corporation: Mr. Handong Rui, Email: hdrui@sipc.cn

This announcement does not constitute an offer of, or the solicitation of an offer to buy or subscribe for, common shares of Addax Petroleum to any person in any jurisdiction to whom or in which such offer or solicitation is unlawful and, in particular, is not for release, publication or distribution in or into the United States, Australia or Japan.

The offer and sale of the common shares has not been and will not be registered under the US Securities Act of 1933, as amended (the "Securities Act") and may not be offered or sold in the United States unless registered under the Securities Act or an exemption from such registration is available. No public offering of common shares of Addax Petroleum is being made in the United States.

Certain statements in this announcement are forward-looking statements. Such statements are based on current expectations and are subject to a number of risks and uncertainties described in the Prospectus that could cause actual results or events to differ materially from those expressed or implied by the forward-looking statements.