Orion Marine Group Announces a Contract Award of Approximately $15 Million

Orion Marine Group, Inc.

(the "Company"), a leading heavy civil marine contractor serving the infrastructure sector, today announced a contract award of approximately $15 million. Orion Marine Group was recently awarded a contract to partially demolish and reconstruct a wharf, along with installing new crane rails for the Port of Tacoma in Tacoma, Washington. Onsite construction will begin in the 3rd quarter of 2013 and last approximately 13 months. About Orion Marine Group Orion Marine Group, Inc. provides a broad range of marine construction and specialty services on, over and under the water along the Gulf Coast, the Atlantic Seaboard, the West Coast, Alaska, Canada, and the Caribbean Basin and acts as a single source turn-key solution for its customers' marine contracting needs. Its heavy civil marine construction services include marine transportation facility construction, dredging, repair and maintenance, bridge building, and marine pipeline construction, as well as specialty services. Its specialty services include salvage, demolition, diving, surveying, towing and underwater inspection, excavation and repair.