Suncor Energy Inc.

Suncor Energy Inc.

August 25, 2009 00:00 ET

Hydrocarbon release at Suncor Edmonton refinery

Edmonton, Alberta (August 25, 2009) — Suncor Energy Inc. reported a hydrocarbon release at the company’s Edmonton-area refinery at 4 p.m. MT August 24. Refinery personnel responded and the situation was quickly brought under control. There were no reported injuries and no risk to the public. Operational impacts are not expected to be significant and there is no expected impact to retail gasoline and diesel supply.

Suncor has notified regulators and the “all clear” was sounded at approximately 6 p.m. August 24. An investigation is underway to determine the cause of the release.

This news release contains forward-looking statements identified by the word "expected" that address expectations or projections about the future. Forward-looking statements are based on Suncor's current expectations and assumptions made in light of its experiences and the risks, uncertainties and other factors related to its business. Readers are cautioned that actual results could differ materially from those expressed or implied as a result of changes to Suncor's plans and the impact of events, risks and uncertainties discussed in Suncor's current annual information form/form 40-F, annual and quarterly reports to shareholders and other documents filed with Canadian securities commissions at and the United States Securities and Exchange Commission (SEC) at

Suncor Energy Inc. is Canada’s premier integrated energy company. Suncor’s operations include oil sands development and upgrading, conventional and offshore oil and gas production, petroleum refining, and product marketing under the Petro-Canada brand — a proud National Partner to the Vancouver 2010 Olympic and Paralympic Winter Games. While working to responsibly develop petroleum resources, Suncor is also developing a growing renewable energy portfolio. Suncor’s common shares (symbol: SU) are listed on the Toronto and New York stock exchanges.

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Brad Bellows (403) 269-8717