Mr. Monson has been President and Chief Executive Officer and a director of Seitel since December 15, 2004. He previously served as Seitel’s Chief Financial Officer from May 10, 2004 until December 15, 2004 and served as Secretary from August 31, 2004 until December 15, 2004. Mr. Monson has over 20 years of experience in the oil and gas industry, including over seven years in the international seismic industry. Prior to joining Seitel, he served in various financial capacities with Schlumberger Limited (“Schlumberger”), a New York Stock Exchange, Inc. listed company, since 1985. Most recently, Mr. Monson served as business segment chief financial officer for Schlumberger Well Services and the worldwide controller for Oilfield Technology Centers. Prior to this, he served as worldwide director of human resources for financial personnel of Schlumberger Limited. From 1998 to 2000, he served as chief financial officer of Schlumberger Oilfield Services-UK. From 1985 to 1998, he served as either treasurer or controller to other Schlumberger entities, including assignments in the New York headquarters and various international locations.