Great Lakes Announces Receipt of $17 Million Award on the West Coast

OAK BROOK, Ill., April 20, 2017 -- Great Lakes Dredge & Dock Corporation (“Great Lakes”) (NASDAQ:GLDD), the largest provider of dredging services in the United States and a major provider of environmental and infrastructure services, announced today the receipt of a $17 million award, with approximately $3 million in additional options, for the Corps of Engineers West Coast Regional Contract.  The scope of work includes dredging approximately 4 million cubic yards of material from the mouth of the Columbia River and upriver locations as well as the Humboldt Harbor entrance in Eureka, California.  Work is expected to commence during the second quarter of this year and to be completed by the end of the year.  

Great Lakes’ hopper dredges have transited the Panama Canal and performed these important projects on the West Coast of the United States since the 1980s and we are pleased to be the successful bidder after a several year absence.

The Company

Great Lakes Dredge & Dock Corporation (“Great Lakes” or the “Company”) is the largest provider of dredging services in the United States and the only U.S. dredging company with significant international operations. The Company is also a significant provider of environmental and remediation services on land and water.  The Company employs civil, ocean and mechanical engineering staff in its estimating, production and project management functions.  In its over 127-year history, the Company has never failed to complete a marine project. Great Lakes has a disciplined training program for engineers that ensures experienced-based performance as they advance through Company operations. Great Lakes also owns and operates the largest and most diverse fleet in the U.S. dredging industry, comprised of over 200 specialized vessels.

Cautionary Note Regarding Forward-Looking Statements
Certain statements in this press release may constitute "forward-looking" statements as defined in Section 21E of the Securities Exchange Act of 1934 (the "Exchange Act"), the Private Securities Litigation Reform Act of 1995 (the "PSLRA") or in releases made by the Securities and Exchange Commission (the "SEC"), all as may be amended from time to time. Such forward-looking statements involve known and unknown risks, uncertainties and other important factors that could cause the actual results, performance or achievements of Great Lakes and its subsidiaries, or industry results, to differ materially from any future results, performance or achievements expressed or implied by such forward-looking statements. Statements that are not historical fact are forward-looking statements. These cautionary statements are being made pursuant to the Exchange Act and the PSLRA with the intention of obtaining the benefits of the "safe harbor" provisions of such laws. Great Lakes cautions investors that any forward-looking statements made by Great Lakes are not guarantees or indicative of future events.

Although Great Lakes believes that its plans, intentions and expectations reflected in this press release are reasonable, actual events could differ materially. The forward-looking statements contained in this press release are made only as of the date hereof and Great Lakes does not have or undertake any obligation to update or revise any forward-looking statements whether as a result of new information, subsequent events or otherwise, unless otherwise required by law.

GLDD PROJ

For further information contact: 
Mary Morrissey, Investor Relations 
630-574-3467