Sep. 25, 2009 (Business Wire) -- Tesoro Corporation (NYSE:TSO) today reported that a fire occurred early this morning at the Company’s Wilmington, California refinery centered on the facility’s coker unit. No injuries have been reported, the fire is contained and the affected units are in the process of being shut down. The Company anticipates providing an update after more information has been gathered.

Tesoro Corporation, a Fortune 100 company, is an independent refiner and marketer of petroleum products. Tesoro, through its subsidiaries, operates seven refineries in the western United States with a combined capacity of approximately 665,000 barrels per day. Tesoro's retail-marketing system includes over 870 branded retail stations, of which over 380 are company operated under the Tesoro®, Shell®, Mirastar® and USA Gasoline™ brands.