Suncor Energy Inc.

Suncor Energy Inc.

May 30, 2006 23:59 ET

New refinery manager appointed at Suncor Energy USA

Denver, Colorado (May 30, 2006) - Suncor Energy (U.S.A.) Inc. Executive Vice President Mike Ashar announces a new appointment to the company's management team.

Bill Buckalew has been named general manager, Refining and Pipelines, reporting to Ashar. In this role, Buckalew will be responsible for managing the company's refining operations in Commerce City, Colorado and its pipelines through Wyoming and Colorado.

"I am pleased that Bill will be joining Suncor," said Ashar. "He has deep experience in the refining industry and his appointment adds to the expanding strengths and experience of our company's management team."

Bill brings more than 30 years of petroleum industry experience to his new role at Suncor Energy USA. Most recently, he has been a consultant with the Center for Process Plant Management where he was involved in improving refinery performance at facilities within and outside of the U.S.

Bill's career includes the position of refinery manager at two of Valero's refineries. Additionally, Bill had management positions at ExxonMobil and Chevron in areas such as refinery operations, maintenance, environmental and safety, business planning, process engineering, and petroleum products sales and marketing. 

Bill received his Bachelor of Science degree in chemical engineering from the University of New Mexico. 

Nancy Thonen, Suncor's general manager of the Commerce City refining operations for nearly three years, will be moving to a new role at Suncor Energy USA as Director, Business Development. "This position is important to our future and utilizes Nancy's refining, engineering and project experience," said Ashar. "The focus of her new role will be exploring business development opportunities for our refinery, pipeline and retail businesses."

The 90,000 barrel per day refining facility is located in Commerce City, about six miles northeast of downtown Denver. It supplies about 35 percent of Colorado's gasoline and diesel fuel demand and is a major supplier of jet fuel to the Denver International Airport. It is also the largest supplier of paving-grade asphalt in Colorado.

This news release contains forward-looking statements. The forward-looking statements may be identified by words like "ramping up to", "expected" and similar expressions. These forward-looking statements are based on current conditions and assumptions and are not a guarantee of future events. Actual events could differ materially as a result of changes to Suncor's plans and the impact of certain events, risks and uncertainties.

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, visit Suncor's web site at or contact:

Lisha Burnett
Suncor Energy (U.S.A.) Inc.
(303) 570-2540