Willbros Awarded Construction Contract for the Red River Gathering Pipeline Project

Willbros Group, Inc.

announced today that a unit of its Oil & Gas segment has been awarded a contract by Energy Transfer Partners, L.P. to construct a portion of the Red River Gathering Pipeline. The scope of work includes construction of 97 miles of 30" pipeline from Ardmore, OK to Denton, TX. Mobilization is underway and construction is scheduled to commence in early April. Randy Harl, President and Chief Executive Officer, remarked, "We are very pleased to continue our relationship with Energy Transfer and look forward to supporting the expansion of their processing and gathering system. The significant growth in the midstream market is driving additional opportunities for our strategy to offer comprehensive services to project developments in the liquid-rich drilling plays such as the Woodford shale. This project supports both that strategy and our corporate value to offer timely, cost effective solutions to all our customers."