Offshore Wind Farms with New York Quarry, Carver Sand & Gravel LLC Great Lakes Dredge & Dock Corporation Signs First Rock Supply Subcontract for U.S.

Great Lakes Dredge & Dock Signs Rock Supply Subcontract for US Offshore Wind Farms Great Lakes Dredge & Dock Bags $16.1 Million US Army Contract for Trailing Suction Hopper Dredge Great Lakes Dredge & Dock Unit Gets $20.7 Million US Army Contract for Atchafalaya River Basin Maintenance Dredging

Great Lakes Dredge & Dock Corporation Reports Earnings Results for the Second Quarter and Six Months Ended June 30, 2023Įarnings Flash (GLDD) GREAT LAKES DREDGE & DOCK CORPORATION Posts Q2 Revenue $132.7M Transcript : Great Lakes Dredge & Dock Corporation, Q2 2023 Earnings Call, Aug 01, 2023 Great Lakes Dredge & Dock Awarded $27.1 Million US Army Contract for Beach Fill, Dredging Services Great Lakes Dredge & Dock Wins $22.1 Million US Army Contract for Dredging in Mississippi River Great Lakes Dredge & Dock Corporation Announces Executive Changes Great Lakes Dredge & Dock Corporation Secures Dredge and Environmentally Beneficial Disposal Contract for the Port Arthur LNG Project Great Lakes Dredge & Dock Gets Contract For Dredging, Disposal Services at Port Arthur Project You should not place undue reliance upon these forward-looking statements provided herein are made only as of the date

The Company cautions that any such forward-looking statements are not guarantees of future performance, and involve a number of risks, assumptions and uncertainties that could cause actual results of the Company and its subsidiaries, or industry results, to differ materially from those expressed or implied by any forward-looking statements contained herein, including, but not limited to, as a result of the factors, risks and uncertainties described in securities filings of the Company made with the SEC, including the Company's most recent Report on Form 10-K and Form 10-Q. Such statements include declarations regarding the intent, belief, or current expectations of the Company and its management. This presentation includes 'forward-looking' statements within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Securities Exchange Act of 1934, the Private Securities Litigation Reform Act of 1995 or in releases made by the SEC, all as may be amended from time to time.

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