Suncor Energy declares dividend

(All financial figures are in Canadian dollars.)

CALGARY, July 23 /PRNewswire-FirstCall/ - Suncor Energy Inc.'s Board of
Directors has approved a quarterly dividend of $0.05 per share on its common
shares, payable September 25, 2008, to shareholders of record at the date of
close of business on September 4, 2008.

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(R) 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(R)
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.

SOURCE Suncor Energy Inc.

about Suncor Energy Inc. please visit our web site at www.suncor.com, or
contact: Brad Bellows, (403) 269-8717