C Robert Bunch

C. ROBERT BUNCH is Chairman and Chief Executive Officer of Global Tubing, LLC (a privately held company formed in April 2007 to manufacture and sell coiled tubing and related products and services to the energy industry), a position he has held since May 2007. Mr. Bunch served as Chairman of Maverick Tube Corporation (a producer of welded tubular steel products used in energy and industrial applications which was acquired by Tenaris, S.A. in October 2006) from January 2005 until October 2006 and as President and Chief Executive Officer from October 2004 until October 2006. Prior to joining Maverick, he was an independent oil service consultant from 2003 until 2004, and from 2002 to 2003 he served as President and Chief Operating Officer at Input/Output, Inc. (an independent provider of seismic imaging technologies and digital, full-wave imaging solutions for the oil and gas industry). From 1999 to 2002, he served as Vice President and Chief Administrative Officer of Input/Output, Inc. Mr. Bunch earned a bachelor's degree in economics and a master's degree in accounting from Rice University and a juris doctorate degree from the University of Houston. Mr. Bunch serves as Chairman of the board of directors of Pioneer Drilling Company (provider of land contract drilling services to independent and major oil and gas exploration and production companies). He also serves on the board of directors for Z-Seis Corporation (a privately held company that provides geophysical services to the oil and gas industry) and Sub-One Technology, Inc. (a privately held company with proprietary technology for depositing hard, smooth, pure coatings on the internal surfaces of a broad spectrum of products). Olin director since 2005; member of the Compensation Committee and the Directors and Corporate Governance Committee.