Tesoro Corp. Expands Board of Directors

SAN ANTONIO -- Tesoro Corp. announced the election of Patrick Y. Yang, Ph.D., as the newest member of its Board of Directors, expanding the group to nine members. Yang is the head of Global Technical Operations for F. Hoffmann-La Roche Ltd., which operates in the pharmaceutical and diagnostics industry and sells products in more than 150 countries, according to Tesoro.

"I am very excited about joining the Tesoro Board of Directors," Yang said. "It's evident there is a strong team spirit and a shared vision to make Tesoro the best company in the refining industry."

Yang, 62, joined Roche in 2009 and is responsible for the company's pharmaceutical manufacturing, process development, engineering, quality, regulatory, supply chain and procurement. Before that, he worked for Genentech, Merck & Co., General Electric and Life Systems, during which time he developed significant experience with pharmaceuticals manufacturing, engineering, technology and supply chain management.

He previously served on the board of TaiMed Biologics.

"We are very fortunate to have Pat on our board," stated Tesoro president and CEO Greg Goff. "His over 30 years of experience in driving manufacturing excellence will be a great asset to Tesoro, while his diverse professional background will also bring a valued perspective to the board."

Yang earned a Bachelor of Science in Engineering from the National Chiaotung University in Taiwan; a Master of Science in Electrical Engineering from the University of Cincinnati; and a Ph.D. in engineering from the Ohio State University.

Tesoro Corp., a Fortune 150 company, is an independent refiner and marketer of petroleum products. Through its subsidiaries, the company 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 more than 875 branded retail stations, of which over 380 are company operated under the Tesoro, Shell, Mirastar and USA Gasoline brands.

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