Suncor Energy Inc.

Suncor Energy Inc.

July 18, 2008 00:00 ET

Suncor Energy resumes operations on oil sands pipeline

Calgary, AB (July 18, 2008) — Suncor Energy reports that at approximately 8:00 p.m. yesterday, operations were safely resumed on the company's oil sands pipeline following a leak on July 15 near Wandering River, Alberta.

There are no residents in the vicinity and no waterways were affected by the spill. Suncor will continue to work to clean the spill site and conduct an investigation into the cause of the incident.

Production at Suncor's oil sands operations is not expected to be affected by the incident.

This news release contains a forward-looking statement identified by the words "expected". These statements are not guarantees of future performance. Actual results could differ materially, as a result of factors, risks and uncertainties, known and unknown, to which Suncor's business is subject. Further discussion of the risks, uncertainties and other factors that could affect these plans, and any actual results, is included in Suncor's annual report to shareholders and other documents filed with regulatory authorities.

Suncor Energy Inc. is an integrated energy company headquartered in Calgary, Alberta. Suncor's oil sands business, located near Fort McMurray, Alberta, extracts and upgrades oil sands and markets refinery feedstock and diesel fuel, while operations throughout Western Canada produce natural gas. Suncor operates a refining and marketing business in Ontario with retail distribution under the Sunoco brand. U.S.A. downstream assets include pipeline and refining operations in Colorado and Wyoming and retail sales in the Denver area under the Phillips 66® brand. Suncor's common shares (symbol: SU) are listed on the Toronto and New York stock exchanges.

Suncor Energy (U.S.A.) Inc. is an authorized licensee of the Phillips 66® brand and marks in the state of Colorado. Sunoco in Canada is separate and unrelated to Sunoco in the United States, which is owned by Sunoco, Inc. of Philadelphia.

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For more information contact:

Shawn Davis
(403) 920-8379