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Press Release Source: Orion Marine Group, Inc.


Orion Marine Group Announces Approximately $37.5 Million of Contract Awards
Monday March 24, 7:16 pm ET


HOUSTON, March 24, 2008 (PRIME NEWSWIRE) -- Orion Marine Group, Inc. (the ``Company'') (NasdaqGM:OMGI - News), a leading marine specialty contractor serving the heavy civil marine infrastructure sector, today announced the award of several new contracts.
Recently, Orion Marine Group's wholly owned subsidiaries have been awarded several large public and private jobs totaling approximately $37.5 million.

Highlights of these awards include:



* Marine construction of a cargo dock for the Port of Beaumont
* Marine construction improvement of a private bulkhead in Florida
* Dredging services for the Alabama State Port Authority
* As well as maintenance dredging services for the Florida
Intracostal Navigational District Jupiter Inlet from the Company's
newest subsidiary, Subaqueous Services, LLC.



Mike Pearson, Orion Marine Group's President and Chief Executive Officer said, ``These awards further illustrate the continued strength our end markets possess. We continue to be encouraged about 2008 and the goals we previously established.''

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 and the Caribbean Basin and acts as a singlesource turnkey solution for its customers' marine contracting needs. Its heavy civil marine construction services include marine transportation facility construction, dredging, repair and maintenance, bridge building, marine pipeline construction, as well as specialty services. Its specialty services include salvage, demolition, diving, surveying, towing and underwater inspection, excavation and repair. The Company is headquartered in Houston, Texas and has a 75-year legacy of successful operations.

The Orion Marine Group, Inc. logo is available at http://www.primenewswire.com/newsroom/prs/?pkgid=4539