Horizon Offshore Inc.

George G. Reuter has served as Executive Vice President and our Chief Operating Officer since December 2004. From July 2003 to December 2004, Mr. Reuter served as Senior Vice President and Group Executive, Projects and Proposals. From November 2000 to July 2003, Mr. Reuter held the positions of Vice President Sales and Marketing and Vice President North America. Prior to joining Horizon, he held various positions with J. Ray McDermott, S. A. with experience in the North Sea, Middle East, Southeast Asia, West Africa and the U.S. Gulf of Mexico.

William B. Gibbens, III has served as Executive Vice President and our General Counsel since July 2003. From August 1999 to June 2003, he was a Vice President and our General Counsel. Prior to being employed by us, Mr. Gibbens was a partner in private practice with various law firms where his practice focused on the offshore energy industry.

Ken R. LeSuer was elected Chairman of PDTI in December 2004 after serving as Vice Chairman of PDTI since June 2004. Mr. LeSuer retired in 1999 as Vice Chairman of Halliburton Company. Since his retirement from Halliburton in 1999, Mr. LeSuer has been a private investor. Prior to becoming the Vice Chairman of Halliburton in May 1997, Mr. LeSuer served as both the President and CEO of Halliburton Energy Services from March 1994 to September 1996 and as President and CEO of Halliburton Energy Group from September 1996 to May 1997. He also served as President and CEO of three Halliburton units during his tenure. Mr. LeSuer began his career with Halliburton as an engineer-in-training in 1959. From 1965 through 1982, he served in managerial positions in Asia Pacific and Europe/Africa and was serving as vice president of Europe/Africa before returning to Duncan, Oklahoma to assume the position of vice president of International Operations in 1982. Mr. LeSuer was a member of the Texas A&M University Petroleum Engineering Industry Board, as well as the TAMU Dwight Look College of Engineering External Advisory and Development Council. He has served as Vice President Services Division of the International Association of Drilling Contractors, and is or at one time was a member of numerous petroleum and geological engineering societies, including Society of Petroleum Engineers, the American Petroleum Institute, the National Ocean Industries Association, and the Petroleum Equipment Suppliers Association. Mr. LeSuer received his bachelor's degree in petroleum engineering from Texas A&M University in 1959. Mr. LeSuer is also a director of Horizon Offshore, Inc. (NNM: HOFF).