Feb. 10, 2021 (GLOBE NEWSWIRE) — Great Lakes Dredge & Dock Corporation (NASDAQ: GLDD) today announced that it will release the financial results for its three and twelve months ended December 31, 2020 on Wednesday, February 17, 2021 at 7:00 a.m. C.S.T. A conference call with the Company will be held the same day at 9:00 a.m. C.S.T. The call