Great Lakes Dredge & Dock Corporation Schedules Announcement of 2020 First Quarter Results

OAK BROOK, Ill., April 28, 2020 (GLOBE NEWSWIRE) -- Great Lakes Dredge & Dock Corporation (NASDAQ: GLDD) today announced that it will release the financial results for its three months ended March 31, 2020 on Tuesday, May 5, 2020 at 7:00 a.m. C.D.T.