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 the Board of Directors has appointed Lawrence R. Dickerson as Board Chair effective February 1, 2018.  Mr. Dickerson is assuming the role from Robert B. Uhler who requested to step down as Board Chair in order to accommodate his other professional and personal time commitments.  Mr. Uhler continues to serve as an independent director.

Mr. Dickerson has served on the Board since January 2017, including on the Compensation and Audit Committees, and has been a valuable contributor to the Great Lakes Board having over 30 years of operational and commercial experience in the oil and gas industry. Working with the current Board and management team, Mr. Dickerson will continue to oversee the updated strategy and direction of the Company.

Mr. Dickerson commented, “On behalf of the Board, I want to thank Bob for his service to Great Lakes, and we are grateful for his leadership as Board Chair over the last year.”

About Lawrence R. Dickerson

Mr. Dickerson spent 34 years at Diamond Offshore Drilling, Inc., a deepwater oil  and gas drilling contractor, where he served as President and Chief Executive Officer from 2008 until his retirement in 2014.  Mr. Dickerson also served as Chief Financial Officer and Chief Operating Officer during his tenure at the company.

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, 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 of Hercules Offshore, Inc. from 2015 to 2016, an offshore drilling company, and he also served on the Board of Directors of Global Industries, Ltd. from 2008 - 2012, a subsea construction company that was sold to Technip in 2011.