People: Anadarko Petroleum Corporation (APC)

Mr. R. A. Walker is Chief Operating Officer of Anadarko Petroleum Corporation in March 1, 2009. Prior to joining Anadarko, he served as Managing Director for the Global Energy Group of UBS Investment Bank from 2003 to 2005 and was President and Chief Financial Officer of 3TEC Energy Corporation from 2000 to 2003. From 1987 to 2000, he worked for Prudential Capital Group in a variety of merchant banking positions. He has also served as a director of Temple-Inland, Inc. since November 2008, and as the Chairman of Western Gas Holdings, LLC since August 2007. Mr. Walker also serves on the Board of Trustees of the United Way of Greater Houston and the Houston Museum of Natural Science.