OAK BROOK, Ill. - Great Lakes Dredge & Dock Corporation (the “Company” or “Great Lakes”) (NASDAQ:GLDD), the largest provider of dredging services in the United States and a major provider of environmental and remediation services, today announced that Lawrence R. Dickerson and D. Michael Steuert have been appointed to the Board of Director’s 2019 director class, effective January 24, 2017. Mr. Dickerson has been appointed to the Compensation Committee, and Mr. Steuert has been appointed to the Audit Committee.  With the addition of Messrs. Dickerson and Steuert, the Board will expand to nine members.  The Board is expected to be reduced to eight members as of the 2017 Annual Meeting.  The Company also announced today that current Board Member Peter Deutsch has elected to withdraw his name from consideration for the 2017 slate of nominees.  Mr. Deutsch is a Member of the Audit Committee and a Member of the Nominating and Corporate Governance Committee. Mr. Dickerson spent 34 years at Diamond Offshore Drilling, Inc. (NYSE:DO), a deepwater oil  and gas drilling contractor, where he served as President and Chief Executive Officer from 2008 until his retirement in 2014.  Prior to his service as President and Chief Executive Officer, Mr. Dickerson served as Chief Financial Officer (CFO), during which he helped take the company public, and Chief Operating Officer, during which he gained substantial operating and commercial experience.  In addition to being a seasoned executive, Mr. Dickerson has significant board experience.  He has been a Member of the Board of Directors on the boards of Murphy Oil Corporation (MUR), a gas exploration and production company, and Oil States International (NYSE:OIS), an oilfield equipment services company, since 2014.  Mr. Dickerson is on the Audit and Nominating and Governance Committees at Murphy Oil Corporation and on the Audit Committee at Oil States International.  He was Chairman of the Board of Directors at Hercules Offshore, Inc. from 2015 to 2016, an offshore drilling company, and he was a director of on the Board of Directors Global Industries, Ltd. from 2008 - 2012, a subsea construction company that was sold to Technip in 2011.  Mr. Steuert served as senior vice president (SVP) and CFO of Fluor Corporation (NYSE:FLR), one of the world’s largest publicly traded engineering, procurement, construction, maintenance, and project management companies, from 2001 until his retirement in 2012.  Prior to his service at Fluor, Mr. Steuert served as SVP and CFO of Litton Industries Inc., a defense contractor acquired by Northrop Grumman Corporation in 2001, and as SVP and CFO of GenCorp Inc., now Aerojet Rocketdyne, a technology-based aerospace and defense company, from 1990 to 1999.  Mr. Steuert started his career at TRW Inc. In addition to his extensive executive leadership experience, Mr. Steuert has substantial board experience.  He has been a Member of the Board of Directors of LNG Ltd. (ASX:LNG) since 2015 and is a member of the Board’s Audit Committee and Chairman of its Risk Committee.  He has been a Member of the Board of Directors of Weyerhaeuser Co. (NYSE:WY) since 2004 and is Chairman and Financial expert of the Audit Committee and is a member of the Corporate Responsibility and Governance Committee. Robert B. Uhler, P.E., Chairman of the Board, commented, “Larry and Mike bring a wealth of relevant valuable experience to the GLDD Board.  I am confident each will contribute to the GLDD Board and to management’s goal of delivering long-term shareholder value for the Company.  On behalf of the Board, I welcome both of them and look forward to working with them.” Mr. Uhler continued, “These appointments follow our previous announcements that Lasse Petterson and Ryan Levenson joined the Great Lakes Board in late December. The addition of these new directors reflects our commitment to Board refreshment and further strengthens our Board of Directors.  Finally, on behalf of the Board, I’d like to extend our sincere gratitude to Mr. Deutsch for his service and commitment to the Board over the past several years.”