Suncor Energy Inc.

Suncor Energy Inc.

10 janv. 2007 23h59 HE

Suncor Energy reports completion of unit repairs at Commerce City refinery

Denver, Colorado (January 10, 2007) — Suncor Energy (U.S.A.) Inc. announced today that the diesel hydrotreating unit at its Commerce City refinery was returned to full production capacity on January 5, 2007.

The diesel hydrotreating unit was taken off line during a controlled shutdown on December 15, 2006 due to a failure in the unit's furnace. This unit reduces sulfur content of diesel fuel in order to meet Ultra Low Sulfur Diesel (ULSD) requirements.

Suncor Energy (U.S.A.) Inc. is a wholly-owned subsidiary of Suncor Energy Inc., an integrated energy company based in Calgary, Canada. Suncor Energy U.S.A.'s business includes refining operations and retail sales in the Denver area under the Phillips 66® brand, and pipeline operations in Colorado and Wyoming. Suncor's common shares (symbol: SU) are listed on the New York and Toronto stock exchanges.

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For further information, contact:
Lisha Burnett
(303) 570-2540