HOUSTON, TX -- (Marketwire) -- 05/07/12 -- Willbros Group, Inc. (WG) announces plans to release its first quarter 2012 results on Monday, May 7, 2012 after the market closes. In conjunction with the release, Willbros has scheduled a conference call, which will be broadcast live over the Internet on Tuesday, May 8 at 9:00 am Eastern Time (8:00 am Central).

What: Willbros First Quarter Earnings Conference Call

When: Tuesday, May 8, 2012 - 9:00 a.m. Eastern Time

How: Live via phone - By dialing 913-312-0936 or 888-596-2572 a few minutes prior to the start time and asking for the Willbros' call. Or live over the Internet by logging on to the web address below.

Where: http://www.willbros.com. The webcast can be accessed from the investor relations home page.

For those who cannot listen to the live call, a replay will be available through May 22, 2012, and may be accessed by calling 719-457-0820 or 888-203-1112 using pass code 2747686. Also, an archive of the webcast will be available shortly after the call on www.willbros.com for a period of twelve months.

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 Investor Relations
Willbros
713-403-8035

Source: Willbros Group, Inc.