Bryan K. Guderian

Mr. Guderian joined the board of directors of our general partner in May 2012. He has served as Senior Vice President of Operations of WPX Energy, Inc. since August 2011. Mr. Guderian previously served as Vice President of the Exploration & Production unit of The Williams Companies, Inc. from 1998 until December 2011. He was responsibile for overseeing Williams’ international operations and has served as a director of Apco Oil & Gas International Inc., or Apco, since 2002 and a director of Petrolera Entre Lomas S.A. since 2003.

Mr. Guderian brings considerable upstream experience to the board including executive, operational and financial expertise from 30 years of petroleum industry involvement, the majority of which has been focused in exploration and production.