Willbros Appoints Michael J. Bayer to Board

HOUSTON, Dec. 13 /PRNewswire-FirstCall/ -- Willbros Group, Inc. announced that Michael J. Bayer has been appointed to the Board of Directors. Mr. Bayer, who holds a Master's degree in Business Administration and Juris Doctor, is the President of Dumbarton Strategies, Washington, D.C. He also serves as a Director of Dyncorp International, Inc. (NYSE) and Stratos Global Corp. (Toronto Stock Exchange). In addition, he is a Member of the Defense Science Board, the Sandia National Laboratory's National Security Advisory Panel, the Chief of Naval Operations Executive Panel and the U.S. European Command Senior Advisory Group.

Mr. Bayer's previous U.S. Government service included appointments as Vice Chairman of the Defense Business Board, a Member of the Board of Visitors of the United States Military Academy, Chairman of the Army Science Board, a Member of the U.S. Naval War College Board of Visitors and Chairman of the Secretary of Air Force's Advisory Group. Earlier in his career he was Counsel to a senior Member of the U.S. House of Representatives, Deputy Assistant Secretary at the U.S. Department of Energy, Malcolm Baldrige's Associate Deputy Secretary of Commerce, Counselor to the United States Synthetic Fuels Corporation, Counselor to President Bush's Commission on Aviation Security and Terrorism, and the Federal Inspector for the Alaska Natural Gas Transportation System.

Willbros Group, Inc. is an engineering and construction contractor serving the oil, gas and power industries; providing construction, engineering and other specialty oilfield-related services to industry and government entities worldwide. More information on the Company can be found at http://www.willbros.com/ .

CONTACT: Michael W. Collier Vice President - Investor Relations Willbros USA, Inc. (713) 403- 8016 Jack Lascar / Partner DRG&E (713) 529-6600