People: Western Gas Partners, LP (WES)

Mr. R.A. Walker is Director of the General Partner of Western Gas Partners, LP. He had served as Chairman of the Board and a director of the general partner since August 2007 and as Senior Vice President, Finance and Chief Financial Officer of Anadarko since 2005. Prior to joining Anadarko, he was a Managing Director for the Global Energy Group of UBS Investment Bank from 2003 to 2005 and was President, Chief Financial Officer and a director of 3TEC Energy Corporation from 2000 to 2003, until its sale to Plains Exploration. From 1987 to 2000, he worked for Prudential Financial in a variety of merchant banking positions, including Senior Managing Director and co-head of Prudential Capital at the time of his departure. Mr. Walker has served on the boards of directors of numerous publicly traded companies, including TEPPCO Partners, L.P. (a NYSE-listed publicly traded partnership) where he served as chairman of the audit committee.