Suncor Energy Inc.

Suncor Energy Inc.

05 sept. 2007 23h59 HE

Dianne Zimmerman named one of Calgary's Top 40 Under 40

Calgary, Alberta (September 5, 2007) — Suncor Energy's Dianne Zimmerman has been named one of 2007's top 40 Calgarians under the age of 40 by Calgary Inc Magazine, which annually recognizes young business and community leaders who excel in their fields, and who contribute personally and professionally to raising Calgary's profile.

Zimmerman, who joined Suncor in 2001, is currently Suncor's senior manager of issue management and stakeholder engagement as part of the sustainable development corporate group. She deals with governments, industry and environmental groups in Alberta, across Canada and globally. In addition to being co-chair of the Board of Directors for Alberta Ecotrust Foundation and co-chair of the Environmental Science Advisory Committee at Mount Royal College, she serves on the board, both locally and nationally, of the Young Environmental Professionals, a group she co-founded in 1997 in Toronto.

"This honour is, in part, about getting the kind of support and encouragement you need to take on new challenges," said Zimmerman. "I have been fortunate to receive that kind of support as a member of the Suncor team."

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 refining operations in Colorado 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.

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

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For more information, contact:
Brad Bellows