Suncor Energy Inc.
TSX : SU
NYSE : SU

Suncor Energy Inc.

23 avr. 2008 23h59 HE

Suncor Energy declares dividend

(All financial figures are in Canadian dollars.)

Calgary, Alberta (April 23, 2008) — Suncor Energy Inc.'s Board of Directors has approved a quarterly dividend of $0.10 per common share, payable June 25, 2008, to shareholders of record at the close of business on June 4, 2008.

Subject to approval by shareholders of a two-for-one division of common shares at Suncor's annual and special meeting on April 24, 2008, the payable amount of the dividend will be amended to $0.05 per common share, with no change to the payable or record dates.

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.

— 30 —

For more information:

John Rogers
Vice President, Investor Relations
(403) 269-8670