Suncor Energy Inc.

Suncor Energy Inc.

July 16, 2008 00:00 ET

Suncor Energy reports leak on Oil Sands Pipeline near Wandering River

Calgary AB (July 16, 2008) — Suncor Energy Inc. is responding to a pipeline leak on its Oil Sands Pipeline near Wandering River, Alberta. The pipeline carries products from Fort McMurray to Edmonton.

At approximately 11:30 a.m. on July 15, Suncor's Pipeline Control Center staff identified the leak and shut in the pipeline. First responders were sent to the site of the leak, approximately 10 km north of the town of Wandering River. There are no residents in the vicinity of the leak.

The company has notified the Alberta Energy Resources Conservation Board and Alberta Environment.

Suncor employees and contractors are on site to undertake repairs and clean-up. An investigation into the cause of the incident is also under way. At this time, production from Suncor's Oil Sands facility is not affected.

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 further information, contact:

Shawn Davis
(403) 920-8379