Willbros is a specialty energy infrastructure contractor serving the oil and gas and power industries with offerings that primarily include construction, maintenance and facilities development services. We believe our long experience and expertise in the planning and execution of projects differentiates us from our competitors, provides us with competitive advantages in the markets we serve and positions us for early involvement in projects. Our maintenance capabilities provide us the opportunity to participate in the full life cycle of projects, many of which have design lives of more than 25 years. Willbros Group, Inc. is registered in Delaware and is headquartered in Houston, Texas. The Company�s common stock is listed on the New York Stock Exchange and traded under the symbol WG.