W.M. `Bill' Bodnar Named Vice President and General Manager of Tesoro

    Business Editors/Energy Editors

    SAN ANTONIO--(BUSINESS WIRE)--March 2, 2005--Tesoro Corporation (NYSE:TSO) announced today that Bill Bodnar has been named Vice President and General Manager of the company's Golden Eagle Refinery located in Martinez, California.
    Bodnar will replace current manager J.W. Bill Haywood, who was recently promoted to Senior Vice President of Refining, managing all of the corporation's refining assets.
    Bodnar, currently Assistant Refinery Manager, brings to his new role over 25 years of refining experience, an excellent refinery safety record, and in depth knowledge of operations and system optimization. Before joining Tesoro in 2002, Bodnar served in various refining roles with increasing responsibility with Ultramar Diamond Shamrock and Chevron Corporation.
    Bill Bodnar earned his bachelor of science in chemical engineering from Purdue University in 1977.
    "Tesoro is fortunate to have a strong leader to take over the helm at Golden Eagle," said Bill Finnerty, Tesoro's Executive Vice President of Operations. "Bill Bodnar brings a proven commitment to safe, environmentally compliant and reliable operations. His people-skills and in-depth knowledge of operations and systems optimization will continue to provide powerful direction for the employees at this facility."

    Tesoro Corporation, a Fortune 500 Company, is an independent refiner and marketer of petroleum products. Tesoro operates six refineries in the Western United States with a combined capacity of nearly 560,000 barrels per day. Tesoro's retail-marketing system includes over 500 branded retail stations, of which more than 200 are company operated under the Tesoro(R) and Mirastar(R) brands.

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CONTACT: Tesoro Corporation, San Antonio Investor Relations: John Robertson, 210-283-2687 or Public Relations: Tara Ford Payne, 210-283-2676

KEYWORD: CALIFORNIA TEXAS INDUSTRY KEYWORD: OIL/GAS ENERGY HUMAN RESOURCES MANAGEMENT CHANGES SOURCE: Tesoro Corporation

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