Delek US Holdings Names Mark B. Cox as Chief Financial Officer

BRENTWOOD, Tenn.--(BUSINESS WIRE)--Aug. 27, 2009-- Delek US Holdings, Inc. (NYSE: DK), a diversified energy company with assets in the petroleum refining, marketing, supply and retail industries, today announced the appointment of Mark B. Cox to the position of Executive Vice President and Chief Financial Officer of the Company.

Cox, age 50, has nearly three decades of energy industry experience as a financial officer. Since 2007, Cox has served as Senior Vice President, Treasurer and Director of Investor Relations at Western Refining (NYSE: WNR), a publicly traded refining company. From 1994 to 2007, Cox served in a number of senior finance roles at Giant Industries (a publicly traded refiner acquired by Western Refining), culminating in his appointment to the position of Executive Vice President and Chief Financial Officer in 2002. Previously, Cox was the Director of Finance at Houston-based Vista Chemical Company from 1987 to 1994. Cox holds both a B.S. in finance and an M.B.A. from the University of Missouri.

“A respected energy executive of Mark’s caliber is a valuable addition to our senior management team,” said Uzi Yemin, President and CEO of Delek US Holdings. “His 16 years of experience as a senior financial officer at two publicly traded refining companies and extensive corporate finance and capital markets expertise make him uniquely equipped for this role. We look forward to realizing the benefits of his experience as we seek to further grow our presence in the downstream energy markets.”