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Mark Baker Cox, Director of Southcross Holdings GP, LLC

Mr. Cox has in excess of three decades of energy industry experience as a financial executive. He serves as a Director of Southcross Holdings GP, LLC and served as a Director of Delek Logistics GP, LLC from April 2012 to March 2018. In addition, from 2009 to 2013, Mr. Cox served in various other roles in Delek US, including Chief Financial Officer, Executive Vice President, Principal Financial and Accounting Officer. From 2013 to 2016, Mr. Cox served as the Chief Financial Officer of Eco-Energy, Inc. Prior to 2009, Mr. Cox held various positions at Western Refining Inc., including Treasurer, Senior Vice President and Director of Investor Relations. Before joining Western Refining Inc., he served in a number of senior finance roles, including Chief Financial Officer, at Giant Industries (a publicly traded refiner acquired by Western Refining).

Mr. Cox holds both a B.S. in finance and an M.B.A. from the University of Missouri.