GLDD Announces Departure of CFO (USA)

Great Lakes Dredge & Dock Corporation, the largest provider of dredging services in the United States and a major provider of environmental and remediation services, said that William Steckel, Chief Financial Officer, is leaving the Company to accept a senior management position with a privately held company.

Concurrently, Vice President and Controller Katherine M. Hayes has been appointed interim CFO. The transition is effective April 24, 2014.

Ms. Hayes joined Great Lakes in January 2006 and has increased her level of responsibility since then. She was the Treasurer of the Company from March 2011 until she was named Vice President and Controller in November 2013.

The Company will begin a search for a new CFO immediately.

[mappress]

Press Release, April 11, 2014