Occidental Petroleum Corporation (NYSE:OXY) today announced the appointment of WCW (Willie) Chiang as Executive Vice President, Operations. Mr. Chiang, 51, will have oversight for Occidental’s Midstream businesses and will also be part of the company’s strategy, reserves, and corporate-wide capital allocation processes. Commenting on Mr. Chiang’s appointment, Occidental President and Chief Executive Officer Stephen I. Chazen said, “Willie brings to Oxy over 30 years of energy industry experience, a deep knowledge of the downstream and midstream sectors, and a proven track record for optimizing asset values through the supply and trading of a company’s commodity portfolio. Throughout his career he has demonstrated strategic vision and strong leadership of complex global operations. Willie will be an outstanding addition to Oxy’s senior management team.” Since 1996, Mr. Chiang has held increasingly responsible positions at ConocoPhillips, most recently as Senior Vice President, Refining, Marketing, Transportation and Commercial. Previous ConocoPhillips roles included Senior Vice President, Commercial and President, Supply and Trading, Americas. Prior to joining ConocoPhillips, he spent 6 years with Powerine Oil Company in Los Angeles and 9 years at Chevron. He has also served on the boards of DCP Midstream and Chevron Phillips Chemical, and has been very involved with the American Petroleum Institute. Mr. Chiang holds a Bachelor of Science in Mechanical Engineering from the South Dakota School of Mines and completed the Advanced Management Program at the University of Pennsylvania’s Wharton School of Business. About Oxy Occidental Petroleum Corporation (OXY) is an international oil and gas exploration and production company with operations in the United States, Middle East/North Africa and Latin America regions. Oxy is the third-largest U.S. oil and gas company, based on equity market capitalization. Oxy's wholly owned subsidiary OxyChem manufactures and markets chlor-alkali products and vinyls. Oxy is committed to safeguarding the environment, protecting the safety and health of employees and neighboring communities and upholding high standards of social responsibility in all of the company's worldwide operations.