Orion Group Holdings, Inc. Announces Contract Awards of Approximately $35 Million

Orion Group Holdings, Inc. ORN (the "Company") a leading specialty construction company, today announced contract awards totaling approximately $35 million.

The Company's Marine segment has been awarded four contracts valued at a combined $35 million to perform marine and infrastructure construction work in the gulf coast, as well as in Alaska.

In the gulf coast, the Company has been awarded three contracts to construct marine infrastructure for private sector clients in Texas and Louisiana. Two of these awards, valued at $11.8 million and $6.7 million, are in the greater Houston area and call for the construction and dredging of new ship and barge berths for petrochemical loading and unloading. The third project, valued at approximately $9 million, calls for the replacement of an existing barge dock at a terminal located west of New Orleans. Work on all three projects is expected to commence in the fourth quarter of 2021 and be complete by third quarter of 2022.

In addition, the Company has been awarded a contract from the US Department of Transportation to demolish and replace an existing bridge in Alaska's Denali National Park. This project is valued at $7.8 million and will commence late in the first quarter of 2022 with the work completed in late 2023.

"We're pleased to announce these project awards, particularly those in the private sector energy and industrial spaces," said Mark Stauffer, Orion's President and Chief Executive Officer. "Our disciplined approach to bidding project opportunities is paying off, and we expect to see significant additional awards in our marine business in the coming weeks."

About Orion Group Holdings

Orion Group Holdings, Inc., a leading specialty construction company serving the infrastructure, industrial and building sectors, provides services both on and off the water in the continental United States, Alaska, Canada and the Caribbean Basin through its marine segment and its concrete segment. The Company's marine segment provides construction and dredging services relating to marine transportation facility construction, marine pipeline construction, marine environmental structures, dredging of waterways, channels and ports, environmental dredging, design, and specialty services. Its concrete segment provides turnkey concrete construction services including pour and finish, dirt work, layout, forming, rebar, and mesh across the light commercial, structural and other associated business areas. The Company is headquartered in Houston, Texas with regional offices throughout its operating areas.

Forward-Looking Statements

The matters discussed in this press release may constitute or include projections or other forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, the provisions of which the Company is availing itself. Certain forward-looking statements can be identified by the use of forward-looking terminology, such as 'believes', 'expects', 'may', 'will', 'could', 'should', 'seeks', 'approximately', 'intends', 'plans', 'estimates', or 'anticipates', or the negative thereof or other comparable terminology, or by discussions of strategy, plans, objectives, intentions, estimates, forecasts, outlook, assumptions, or goals. In particular, statements regarding future operations or results, including those set forth in this press release and any other statement, express or implied, concerning future operating results or the future generation of or ability to generate revenues, income, net income, profit, EBITDA, EBITDA margin, or cash flow, including to service debt, and including any estimates, forecasts or assumptions regarding future revenues or revenue growth, are forward-looking statements. Forward looking statements also include estimated project start date, anticipated revenues, and contract options which may or may not be awarded in the future. Forward looking statements involve risks, including those associated with the Company's fixed price contracts that impacts profits, unforeseen productivity delays that may alter the final profitability of the contract, cancellation of the contract by the customer for unforeseen reasons, delays or decreases in funding by the customer, levels and predictability of government funding or other governmental budgetary constraints and any potential contract options which may or may not be awarded in the future, and are the sole discretion of award by the customer. Past performance is not necessarily an indicator of future results. In light of these and other uncertainties, the inclusion of forward-looking statements in this press release should not be regarded as a representation by the Company that the Company's plans, estimates, forecasts, goals, intentions, or objectives will be achieved or realized. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. The Company assumes no obligation to update information contained in this press release whether as a result of new developments or otherwise.

Please refer to the Company's Annual Report on Form 10-K, filed on March 2, 2021, which is available on its website at www.oriongroupholdingsinc.com or at the SEC's website at www.sec.gov, for additional and more detailed discussion of risk factors that could cause actual results to differ materially from our current expectations, estimates or forecasts.

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