SOURCE: Willbros Group, Inc.

February 26, 2008 16:00 ET

Willbros Announces Fourth Quarter 2007 Earnings Release and Conference Call Schedule

HOUSTON, TX--(Marketwire - February 26, 2008) - Willbros Group, Inc. (NYSE: WG) today announced plans to release fourth quarter 2007 results on Wednesday, February 27, 2008 after the market closes. In conjunction with the release, Willbros has scheduled a conference call, which will be broadcast live over the Internet on Thursday, February 28, 2008 at 9:00 a.m. Eastern Time (8:00 a.m. Central).

   What:   Willbros Group, Inc. Fourth Quarter 2007 Conference Call

   When:   Thursday, February 28, 2008 - 9:00 a.m. Eastern Time

   Where:  Live via phone by dialing 877-461-2815 or 416-695-6617 and
           asking for the Willbros call at least 10 minutes prior to
           the start time.

   Where:  Live over the Internet by logging onto on the
           home page under Events.

A telephonic replay of the conference call will be available through March 13, 2008 and may be accessed by calling 800-408-3053 or 416-695-5800 and using the passcode 3253586. Also, an archive of the webcast will be available shortly after the call on for a period of 12 months.

Willbros Group, Inc. is an international contractor serving the energy industries, providing engineering, construction, engineering, procurement and construction ("EPC"), and operations and maintenance services to industry and government entities worldwide. For more information on Willbros, please visit our web site at

Contact Information

    Michael W. Collier
    Vice President, Investor Relations
    Willbros USA, Inc.
    (713) 403-8016

    Connie Dever
    Strategic Planning
    Willbros USA, Inc.
    (713) 403-8035