Willbros Announces Second Quarter 2015 Earnings Release and Conference Call Schedule

HOUSTON, Aug. 5, 2015 /PRNewswire/ -- Willbros Group, Inc. (NYSE: WG) announces today plans to release its second quarter 2015 results on Thursday, August 6, 2015 after the close of market. In conjunction with the release, Willbros has scheduled a conference call, which will be broadcast live over the Internet on Friday, August 7th at 10:00 am Eastern Time (9:00 am Central Time).

What:   Willbros Second Quarter Earnings Conference Call

When:   Friday, August 7, 2015 - 10:00 a.m. Eastern Time

How:     Live via phone - By dialing 412-902-0030 or 877-404-9648 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 August 14, 2015 and may be accessed by calling 201-612-7415 or 877-660-6853 using pass code 13616219#.  Also, an archive of the webcast will be available shortly after the call on www.willbros.com.

Willbros is a specialty energy infrastructure contractor serving the oil, gas, refining, petrochemical and power industries. Our offerings include engineering, procurement and construction (either individually or as an integrated "EPC" service offering), maintenance, facilities development and operations services. For more information on Willbros, please visit our website at www.willbros.com.

CONTACT: Michael W. CollierSVP Investor RelationsMarketing & CommunicationsWillbros713-403-8038

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SOURCE Willbros Group, Inc.