2009-11-12 22:52:03 -

Great Lakes Dredge & Dock Corporation (NASDAQ:GLDD) announced today it will be presenting at the Stephens Inc. Fall Investment Conference on Tuesday, November 17, 2009. The presentation is scheduled to begin at 1:30 p.m. (ET)/12:30 p.m. (CT).

A live webcast of the presentation will be available on the Investor Relations section of the Company's website at www.gldd.com : .

The webcast and accompanying slide presentation will be archived on the website within 24 hours and will be available for at least two weeks.



The Company

Great Lakes Dredge & Dock Corporation is the largest provider of dredging services in the United States and the only U.S. dredging company with significant international operations, averaging 30% of its dredging revenues over the last

three years. The Company is also one of the largest U.S. providers of commercial and industrial demolition services primarily in the Northeast. Additionally, the Company owns a 50% interest in a marine sand mining operation in New Jersey which supplies sand and aggregate used for road and building construction.

Great Lakes has a 119-year history of never failing to complete a marine project and owns the largest and most diverse fleet in the industry, comprised of over 180 specialized vessels.



Great Lakes Dredge & Dock CorporationDeborah A.

Wensel, 630-574-3772Chief Financial OfficerorKatie
Hayes, 630-574-3772Investor Relations