 OAK BROOK, Ill., July 28, 2020 GLOBE NEWSWIRE -- Great Lakes Dredge Dock Corporation NASDAQ: GLDD today announced that it will release the financial results for its three and six months ended June 30, 2020 on Tuesday, August 4, 2020 at 7:00 a.m. C.D.T. A conference call with the Company will be held the same day at 9:00 a.m. C.D.T. The call in number is 877 377-7553 and Conference ID is 1658815. The conference call will be available by replay until Thursday, August 6, 2020 by calling 855 859-2056 and providing Conference ID 1658815. The live call and replay can also be heard on the Companys website, under Events on the investor relations page. A copy of the press release will be available on the Companys website. The Company Great Lakes Dredge Dock Corporation Great Lakes or the Company is the largest provider of dredging services in the United States. In addition, the Company has a long history of performing significant international projects. The Company employs experienced civil, ocean and mechanical engineering staff in its estimating, production and project management functions. In its over 130-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. The Companys Incident-and Injury-Free IIF safety management program is integrated into all aspects of the companys culture. The companys commitment to the IIF culture promotes a work environment where employee safety is paramount. Great Lakes also owns and operates the largest and most diverse fleet in the U.S. dredging industry, comprised of over 200 specialized vessels.For further information contact: Tina Baginskis Director, Investor Relations 630-574-3024 