Andrew L. Waite

Mr. Waite was appointed as a director in August 2010.  Mr. Waite is a Managing Director of LESA, the ultimate general partner of SCF, and has been an officer of that company since October 1995. He was previously Vice President of Simmons & Company International, where he served from August 1993 to September 1995. From 1984 to 1991, Mr. Waite held a number of engineering and project management positions with the Royal Dutch/Shell Group, an integrated energy company.  Mr. Waite served on the board of directors of Complete Production Services, Inc., a provider of specialized oil and gas completion and production services, from 2007 to 2009, Hornbeck Offshore Services, Inc., a provider of marine services to exploration and production oilfield service, offshore construction and military customers, from 2000 to 2006, and Oil States International, Inc., a manufacturer of deepwater production products and subsea pipeline, from August 1995 through April 2006.  Mr. Waite received a M.B.A. degree from the Harvard University Graduate School of Business Administration and a M.S. degree from the California Institute of Technology.