HOUSTON, TX, Jul 07, 2010 (MARKETWIRE via COMTEX) --

Willbros Group, Inc. (NYSE: WG) announced today that in conjunction with the completion of its acquisition of InfrastruX Group, Inc., Daniel E. Lonergan and Alan B. Levande have been appointed to its Board of Directors. Messrs. Lonergan and Levande serve as Senior Managing Directors of Tenaska Capital Management.

John McNabb, Chairman, commented, "As Willbros expands its service offerings, markets and geographic presence, we believe the extensive experience of both Mr. Lonergan and Mr. Levande will provide valuable insight to the integration of InfrastruX and the Willbros strategy. I want to welcome them to the Board and look forward to their contributions."

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. For more information on Willbros, please visit our web site at www.willbros.com.

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.