Willbros Completes Move of Corporate Domicile to Delaware

Willbros Group, Inc. announced today that it has completed its change of corporate domicile to Delaware. Each outstanding share of Willbros Group, Inc. (Panama) common stock was converted into the right to receive one share of Willbros Group, Inc. (Delaware) common stock. The shares of Willbros Group, Inc. (Delaware) are listed on the New York Stock Exchange under the same symbol, "WG," as was the Panama company.

Shareholders who hold Willbros Group, Inc. (Panama) shares in "street name" or in book entry form through a brokerage do not need to take any action to effect the exchange. Shareholders of record of Willbros Group, Inc. (Panama) share certificates will receive a letter of transmittal by mail that will allow them to exchange their certificates for certificates in the new Willbros Group, Inc. (Delaware) company.

Willbros Group, Inc. is an independent contractor serving the oil, gas, power, refining and petrochemical industries, providing engineering, construction, turnaround, maintenance, life cycle extension services and facilities development and operations services to industry and government entities worldwide.

Contact:

CONTACT:

Michael W. Collier
Vice President Investor Relations
Sales & Marketing
Willbros
713-403-8038

Connie Dever
Director Strategic Planning
Willbros
713-403-8035


Source: Willbros Group, Inc.