Former President and CEO of Lufkin Industries, Inc., serves as Chairman of the Executive Committee.

Manager of his own investments and a member of the Executive, Compensation and Pension Committees

Former Executive Vice President and Chief Financial Officer of Energy Partners, Ltd. and serves as Chairman of the Audit Committee. She also is a member of the Pension Committee. She also serves as a Director of Hercules Offshore Inc.

President and CEO

Former President and U.S. country chair for Shell Oil Company U.S. and former human resources group director for Royal Dutch/Shell Group in The Hague, Netherlands. He serves as Chairman of the Nominating / Governance Committee. He is also a member of the Compensation Committees.

Former Chairman, President and CEO of Pool Energy Services. He serves as a member of the Audit and Nominating / Governance Committees.

Managing Partner New Gulf Exploration, L.P. and serves as Chairman of the Compensation Committee. He also is a member of the Audit Committee.

Former President and CEO of GE Aero Energy and Former Officer of General Electric Company. He is a member of the Audit and Pension Committees. Currently serves on the Boards of Kirby Corporation and Eagle Materials.

Manager of his own investments and serves as Chairman of the Pension Committee. He also serves on the Executive and the Nominating/Governance Committees.

An Attorney and a member of the Executive, Pension and Nominating/Governance Committees.