Quarterly Report for Quarter Ending June 30, 2024 (Form 10-Q)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

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For the quarterly period ended June 30, 2024

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For the transition period from ________ to ________

Commission file number: 1-33891

ORION GROUP HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

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Securities registered pursuant to Section 12(b) of the Act:

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Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days: ☑ Yes ☐No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files): Yes ☑No ☐

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of "large accelerated filer", "accelerated filer", "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act:

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act): ☐Yes ☑No

There were 33,370,955 shares of common stock outstanding as of July 25, 2024.

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ORION GROUP HOLDINGS, INC.

Quarterly Report on Form 10-Q for the period ended June 30, 2024

Index

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Part

PART I.FINANCIAL INFORMATION

ITEM 1.FINANCIAL STATEMENTS

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Orion Group Holdings, Inc. and Subsidiaries

Condensed Consolidated Balance Sheets

(In Thousands, Except Share and Per Share Information)

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The accompanying notes are an integral part of these condensed consolidated financial statements

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Orion Group Holdings, Inc. and Subsidiaries

Condensed Consolidated Statements of Operations

(In Thousands, Except Share and Per Share Information)

(Unaudited)

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The accompanying notes are an integral part of these condensed consolidated financial statements

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Orion Group Holdings, Inc. and Subsidiaries

Condensed Consolidated Statements of Stockholders' Equity

(In Thousands, Except Share and Per Share Information) (Unaudited)

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The accompanying notes are an integral part of these condensed consolidated financial statements

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Orion Group Holdings, Inc. and Subsidiaries

Condensed Consolidated Statements of Cash Flows

(in Thousands)

(Unaudited)

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The accompanying notes are an integral part of these condensed consolidated financial statements

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Orion Group Holdings, Inc. and Subsidiaries

Notes to Condensed Consolidated Financial Statements

(Tabular Amounts in Thousands, Except Share and per Share Amounts)

(Unaudited)

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1.Description of Business and Basis of Presentation

Description of Business

Orion Group Holdings, Inc. and subsidiaries (hereafter collectively referred to as the "Company"), is a leading specialty construction company serving the infrastructure, industrial, and building sectors, providing services both on and off the water in the continental United States, Alaska, Hawaii, Canada and the Caribbean Basin through its marine segment and its concrete segment. Our marine segment provides construction and dredging services including marine transportation facility construction, marine pipeline construction, marine environmental structures construction, dredging of waterways, channels and ports, environmental dredging, design, and specialty services related to marine construction, fabrication, and dredging. Our concrete segment provides turnkey concrete construction services including concrete surface place and finish, site preparation, layout, forming, and rebar placement for large commercial, structural and other associated business areas. We are headquartered in Houston, Texas with regional offices throughout our operating areas.

Although we describe the business in this report in terms of the services the Company provides, its base of customers and the areas in which it operates, the Company has determined that its operations currently comprise two reportable segments pursuant to Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC") Topic 280, Segment Reporting.

The tools used by the chief operating decision maker ("CODM") to allocate resources and assess performance are based on two reportable and operating segments: marine and concrete, which operate under the Orion brand and logo.

In making this determination, the Company considered the similar economic characteristics of its operations that comprise its marine segment. For the marine segment, the methods used, and the internal processes employed, to deliver marine construction services are similar throughout the segment, including standardized estimating, project controls and project management. This segment has the same customers with similar funding drivers and are subject to similar regulatory regimes driven through Federal agencies such as the U.S. Army Corps of Engineers, U.S. Fish and Wildlife Service, U.S. Environmental Protection Agency and U.S. Occupational Safety and Health Administration ("OSHA"), among others. Additionally, the segment is driven by macro-economic considerations including the level of import/export seaborne transportation, development of energy-related infrastructure, cruise line expansion and operations, marine bridge infrastructure development, waterway pipeline crossings and the maintenance of waterways. These considerations, and others, are key catalysts for future prospects and are similar across the segment.

For the concrete segment, the Company also considered the similar economic characteristics of these operations. The methods used, and the internal processes employed, to deliver concrete construction services are similar throughout the segment, including standardized estimating, project controls and project management. The projects of this segment are subject to similar regulatory regimes such as OSHA. Additionally, this segment is driven by macro-economic considerations, including movements in population, commercial real estate development, institutional funding and expansion, and recreational development,

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specifically in metropolitan areas of Texas. These considerations, and others, are key catalysts for current operations and future prospects and are similar across the segment.

Basis of Presentation

The accompanying condensed consolidated financial statements and financial information included herein have been prepared pursuant to the interim period reporting requirements of Form 10-Q. Consequently, certain information and note disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States ("U.S. GAAP") have been condensed or omitted. Readers of this report should also read the Company's consolidated financial statements and the notes thereto included in its Annual Report on Form 10-K for the fiscal year ended December 31, 2023 ("2023 Form 10-K") as well as Item 7 - Management's Discussion and Analysis of Financial Condition and Results of Operations also included in its 2023 Form 10-K.

In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments considered necessary for a fair presentation of the Company's financial position, results of operations, and cash flows for the periods presented. Such adjustments are of a normal recurring nature. Interim results of operations for the three and six months ended June 30, 2024 are not necessarily indicative of the results realizable for the year ending December 31, 2024.

In connection with preparing consolidated financial statements for each annual and interim reporting period, the Company is required to evaluate whether there are conditions or events, considered in aggregate, that raise substantial doubt about the Company's ability to continue as a going concern within one year after the date that the financial statements are issued. Substantial doubt exists when conditions and events, considered in aggregate, indicate that it is probable that a company will be unable to meet its obligations as they become due within one year after the date that the consolidated financial statements are issued. This evaluation initially does not take into consideration the potential mitigating effect of management's plans and actions that have not been fully implemented as of the date that the financial statements are issued. When substantial doubt exists, management evaluates whether the mitigating effect of its plans sufficiently alleviates substantial doubt about the Company's ability to continue as a going concern. The mitigating effect of management's plans, however, is only considered if both: (1) it is probable that the plans will be effectively implemented within one year after the date that the financial statements are issued; and (2) it is probable that the plans, when implemented, will mitigate the relevant conditions or events that raise substantial doubt about the Company's ability to continue as a going concern within one year after the date that the financial statements are issued. Generally, to be considered probable of being effectively implemented, the plans must have been approved before the date that the financial statements are issued.

The assessment of the liquidity and going concern requires the Company to make estimates of future activity and judgments about whether the Company is compliant with financial covenant calculations under its debt and other agreements and has adequate liquidity to operate (See Note 9and Note 18). Significant assumptions used in the Company's forecasted model of liquidity include forecasted sales, costs, our ability to manage spending on capital expenditures, our ability to complete certain asset sales, collect claims and unapproved change order revenue and improve working capital. Based on an assessment of these factors, management believes that the Company will have adequate liquidity for its operations for at least the next 12 months.

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2.Summary of Significant Accounting Policies

The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Management's estimates, judgments and assumptions are continually evaluated based on available information and experience; however, actual amounts could differ from those estimates.

On an ongoing basis, the Company evaluates the significant accounting policies used to prepare its consolidated financial statements, including, but not limited to, those related to:

Revenue Recognition

The Company's revenue is derived from contracts to provide marine construction, dredging, turnkey concrete services, and other specialty services. The Company's projects are typically brief in duration, but occasionally, span a period of over one year. The Company determines the appropriate accounting treatment for each contract before work begins and, subject to qualifications discussed in the next paragraph, records contract revenue over time.

Performance obligations are promises in a contract to transfer distinct goods or services to the customer and are the unit of account under Topic 606. Each of the Company's contracts and related change orders typically represent a single performance obligation because the Company provides an integrated service and individual goods and services are not separately identifiable. Revenue is recognized over time because control of the promised goods and services are continuously transferred to the customer over the life of the contract. For contracts with multiple performance obligations, the Company allocates the contract's transaction price to each performance obligation using its best estimate of the stand-alone selling price of each distinct good or service. Progress is measured by the percentage of actual contract costs incurred to date to total estimated costs for each contract. This method is used because management considers contract costs incurred to be the best available measure of progress on these contracts. Contract costs include all direct costs, such as material and labor, and those indirect costs incurred that are related to contract performance such as payroll taxes and insurance. General and administrative costs are charged to expense as incurred. Upfront costs, such as costs to mobilize personnel and equipment prior to satisfying a performance obligation are capitalized and amortized over the contract performance period.

Changes in job performance, job conditions and estimated profitability, including those arising from final contract settlements, may result in revisions to costs and reported revenue and are recognized in the period in

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which the revisions are determined. The effect of changes in estimates of contract revenue or contract costs is recognized as an adjustment to recognized revenue on a cumulative catch-up basis to match contract progress with revenue recognition. When the Company anticipates a loss on a contract that is not yet complete, it recognizes the entire loss in the period in which such losses are determined. Revenue is recorded net of any sales taxes collected and paid on behalf of the customer, if applicable.

Contract revenue is derived from the original contract price as modified by agreed-upon change orders and estimates of variable consideration related to incentive fees and change orders or claims for which price has not yet been agreed by the customer. The Company estimates variable consideration based on its assessment of the most likely amount to which it expects to be entitled. Variable consideration is included in the estimated recognition of revenue to the extent it is probable that a significant reversal of cumulative recognized revenue will not occur. A determination that the collection of a claim is probable is based upon the Company's evaluation of its compliance with the terms of the contract and the extent to which the Company performed in accordance therewith but does not guarantee collection in full.

Assets and liabilities derived from contracts with customers include the following:

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Classification of Current Assets and Liabilities

The Company includes in current assets and liabilities amounts realizable and payable in the next twelve months.

Cash and Cash Equivalents and Restricted Cash

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. At times, cash held by financial institutions may exceed federally insured limits. The Company has not historically sustained losses on its cash balances in excess of federally insured limits. Cash equivalents at June 30, 2024 and December 31, 2023 consisted primarily of overnight bank deposits.

Risk Concentrations

Financial instruments that potentially subject the Company to concentrations of credit risk principally consist of accounts receivable.

A significant portion of the Company's revenue base depends on its ability to continue to obtain federal, state and local governmental contracts, and indirectly, on the amount of funding available to these agencies for new

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and current governmental projects. Therefore, a portion of the Company's operations is dependent upon the level and timing of government funding. Statutory mechanics' liens provide the Company high priority in the event of lien foreclosures following financial difficulties of private owners, thus minimizing credit risk with private customers.

Accounts Receivable

Accounts receivable are stated at the historical carrying value, net of allowances for credit losses. The Company had significant investments in billed and unbilled receivables as of June 30, 2024 and December 31, 2023. Billed receivables represent amounts billed upon the completion of small contracts and progress billings on large contracts in accordance with contract terms and milestone achievements. Unbilled receivables on contracts represent recoverable costs and accrued profits that are not yet capable of being billed under the terms of the applicable contracts. Revenue associated with these billings is recorded net of any sales tax, if applicable.

In establishing an allowance for credit losses, the Company evaluates its contract receivables and contract assets and thoroughly reviews historical collection experience, the financial condition of its customers, billing disputes and other factors. The Company writes off potentially uncollectible accounts receivable against the allowance for credit losses if it is determined that the amounts will not be collected or if a settlement with respect to a disputed receivable is reached for an amount that is less than its carrying value. As of June 30, 2024 and December 31, 2023, the Company had recorded an allowance for credit losses of $0.5 million and $0.4 million, respectively.

Balances billed to customers but not paid pursuant to retainage provisions in construction contracts generally become payable upon contract completion and acceptance by the owner. Retainage at June 30, 2024 totaled $36.4 million, of which $5.6 million is expected to be collected beyond June 30, 2025. Retainage at December 31, 2023 totaled $42.0 million.

From time to time, the Company negotiates change orders and claims with its customers. Unsuccessful negotiations of claims could result in a change to contract revenue that is less than amounts previously recorded, which could result in the recording of a loss in the amount of the shortfall. Successful claims negotiations could result in the recovery of previously recorded losses. Significant losses on receivables could adversely affect the Company's financial position, results of operations and overall liquidity.

Advertising Costs

The Company primarily obtains contracts through the open bid process, and therefore advertising costs are not a significant component of expense. Advertising costs are expensed as incurred.

Environmental Costs

Costs related to environmental remediation are charged to expense. Other environmental costs are also charged to expense unless they increase the value of the property and/or provide future economic benefits, in which event the costs are capitalized. Environmental liabilities, if any, are recognized when the liability is considered probable and the amount can be reasonably estimated. The Company did not recognize any environmental liabilities as of June 30, 2024 or December 31, 2023.

Fair Value Measurements

The Company evaluates and presents certain amounts included in the accompanying consolidated financial statements at "fair value" in accordance with U.S. GAAP, which requires the Company to base its estimates on

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assumptions that market participants, in an orderly transaction, would use to price an asset or liability, and to establish a hierarchy that prioritizes the information used to determine fair value. Refer to Note 7for more information regarding fair value determination.

The Company generally applies fair value valuation techniques on a non-recurring basis associated with (1) valuing assets and liabilities acquired in connection with business combinations and other transactions; (2) valuing potential impairment loss related to long-lived assets; and (3) valuing potential impairment loss related to goodwill and indefinite-lived intangible assets.

Inventory

Current inventory consists of parts and small equipment held for use in the ordinary course of business and is valued at the lower of cost (using historical average cost) or net realizable value and is relieved as utilized. Where shipping and handling costs are incurred by the Company, these charges are included in inventory and charged to cost of contract revenue upon use. Non-current inventory consists of spare parts (including engines, cutters and gears) that require special order or long-lead times for manufacture or fabrication but must be kept on hand to reduce downtime and is valued at the lower of cost (using historical average cost) or net realizable value.

Property and Equipment

Property and equipment are recorded at cost. Ordinary maintenance and repairs that do not improve or extend the useful life of the asset are expensed as incurred. Major renewals and betterments of equipment are capitalized and depreciated generally over threeto ten years until the next scheduled maintenance.

When property and equipment are retired or otherwise disposed of, the cost and accumulated depreciation are removed from the accounts and any resulting gain or loss is included in results of operations for the respective period.

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Depreciation is computed using the straight-line method over the estimated useful lives of the related assets for financial statement purposes, as follows:

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The Company generally uses accelerated depreciation methods for tax purposes where beneficial.

Dry-docking costs are capitalized and amortized using the straight-line method over a period ranging from threeto seven years. Dry-docking costs include, but are not limited to, the inspection, refurbishment and replacement of steel, engine components, tailshafts, mooring equipment and other parts of the vessel. Amortization related to dry-docking activities is included as a component of depreciation. These costs and the related amortization periods are periodically reviewed to determine if the estimates are accurate. If warranted, a significant upgrade of equipment may result in a revision to the useful life of the asset, in which case the change is accounted for prospectively.

Property and equipment are reviewed for impairment whenever events or changes in circumstances indicate the carrying amount of an asset or asset group may not be recoverable. Recoverability of assets to be held and used

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is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment loss is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented in the balance sheet and reported at the lower of the carrying amount or the fair value, less the costs to sell, and are no longer depreciated. There were no assets classified as held for sale as of June 30, 2024 or December 31, 2023.

Leases

Management determines if a contract is or contains a lease at inception of the contract or modification of the contract. A contract is or contains a lease if the contract conveys the right to control the use of an identified asset for a period in exchange for consideration. Control over the use of the identified asset means the lessee has both (a) the right to obtain substantially all of the economic benefits from the use of the asset and (b) the right to direct the use of the asset.

Finance and operating lease right-of-use ("ROU") assets and liabilities are recognized based on the present value of future minimum lease payments over the expected lease term at commencement date. As the implicit rate is not determinable in most of the Company's leases, management uses the Company's incremental borrowing rate based on the information available at commencement date in determining the present value of future payments. The expected lease term includes options to extend or terminate the lease when it is reasonably certain the Company will exercise such option. Lease expense for minimum lease payments is recognized on a straight-line basis over the expected lease term.

The Company's lease arrangements have lease and non-lease components. Leases with an expected term of 12 months or less are not accounted for on the balance sheet and the related lease expense is recognized on a straight-line basis over the expected lease term.

The Company's lease agreements do not contain any material residual value guarantees or material restrictive covenants.

See Note 16for more information regarding leases.

Share-Based Compensation

The Company recognizes compensation expense for equity awards over the vesting period based on the fair value of these awards at the date of grant. The computed fair value of these awards is recognized as a non-cash cost over the period the employee provides services, which is typically the vesting period of the award. The fair value of restricted stock grants and restricted stock units is equivalent to the fair value of the stock issued on the date of grant and is measured as the closing price of the stock on the date of grant.

Compensation expense is recognized only for share-based payments expected to vest. The Company estimates forfeitures at the date of grant based on historical experience and future expectations. This assessment is updated on a periodic basis. See Note 13for further discussion of the Company's share-based compensation plan.

Income Taxes

The Company determines its consolidated income tax provision using the asset and liability method prescribed by U.S. GAAP, which requires the recognition of income tax expense for the amount of taxes payable or

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refundable for the current period and for deferred tax liabilities and assets for the future tax consequences of events that have been recognized in an entity's financial statements or tax returns. The Company must make significant assumptions, judgments and estimates to determine its current provision for income taxes, its deferred tax assets and liabilities, and any valuation allowance to be recorded against any deferred tax asset. The current provision for income tax is based upon the current tax laws and the Company's interpretation of these laws, as well as the probable outcomes of any tax audits. The value of any net deferred tax asset depends upon estimates of the amount and category of future taxable income reduced by the amount of any tax benefits that the Company does not expect to realize. Actual operating results and the underlying amount and category of income in future years could render current assumptions, judgments and estimates of recoverable net deferred taxes inaccurate, thus impacting the Company's financial position and results of operations. The Company computes deferred income taxes using the liability method. Under the liability method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. Under the liability method, the effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.

The Company accounts for uncertain tax positions in accordance with the provisions of ASC 740, Income Taxes which prescribes a recognition threshold and measurement attribute for financial statement disclosure of tax positions taken, or expected to be taken, on its consolidated tax return. The Company evaluates and records any uncertain tax positions based on the amount that management deems is more likely than not to be sustained upon examination and ultimate settlement with the tax authorities in the tax jurisdictions in which it operates.

See Note 11for additional discussion of income taxes.

Insurance Coverage

The Company maintains insurance coverage for its business and operations. Insurance related to property, equipment, automobile, general liability, and a portion of workers' compensation is provided through traditional policies, subject to a deductible or deductibles. A portion of the Company's workers' compensation exposure is covered through a mutual association, which is subject to supplemental calls.

The marine segment maintains five levels of excess loss insurance coverage, totaling $300 million in excess of primary coverage. The marine segment's excess loss coverage responds to most of its policies when a primary limit of $1 million has been exhausted; provided that the primary limit for Contingent Maritime Employer's Liability is $10 million and the Watercraft Pollution Policy primary limit is $5 million. The concrete segment maintains five levels of excess loss insurance coverage, totaling $300 million in excess of primary coverage. The concrete segment's excess loss coverage responds to most of its policies when a primary limit of $1 million has been exhausted.

If a claim arises and a potential insurance recovery is probable, the impending gain is recognized separately from the related loss. The recovery will only be recognized up to the amount of the loss once the recovery of the claim is deemed probable and any excess gain will fall under contingency accounting and will only be recognized once it is realized. The Company does not net insurance recoveries against the related claim liability as the amount of the claim liability is determined without consideration of the anticipated insurance recoveries from third parties.

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Separately, the Company's marine segment employee health care is paid for by general assets of the Company and currently administered by a third party. The administrator has purchased appropriate stop-loss coverage. Losses on these policies up to the deductible amounts are accrued based upon known claims incurred and an estimate of claims incurred but not reported. The accruals are derived from known facts, historical trends and industry averages to determine the best estimate of the ultimate expected loss. Actual claims may vary from estimates. Any adjustments to such reserves are included in the Consolidated Statements of Operations in the period in which they become known. The Company's concrete segment employee health care is provided through two policies. A fully funded policy is offered primarily to salaried employees and their dependents while a partially self-funded plan with an appropriate stop-loss is offered primarily to hourly employees and their dependents. The self-funded plan is funded to the maximum exposure and, as a result, is expected to receive a partial refund after the policy expiration.

The total accrual for insurance claims liabilities was $5.2 million and $7.5 million at June 30, 2024 and December 31, 2023, respectively, reflected as a component of accrued liabilities in the consolidated balance sheet.

Recent Accounting Pronouncements

The Financial Accounting Standards Board ("FASB") issues accounting standards and updates (each, an "ASU") from time to time to its Accounting Standards Codification ("ASC"), which is the primary source of U.S. GAAP. The Company regularly monitors ASUs as they are issued and considers applicability to its business. All ASUs are adopted by their respective due dates and in the manner prescribed by the FASB.

In November 2023, the FASB issued ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. The amendments are intended to increase reportable segment disclosure requirements primarily through enhanced disclosures about significant segment expenses. The ASU is effective on a retrospective basis for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. The Company is currently evaluating the impact that this guidance will have on the disclosures within its consolidated financial statements.

In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The amendments require disclosure of specific categories in the rate reconciliation and provides additional information for reconciling items that meet a quantitative threshold and further disaggregation of income taxes paid for individually significant jurisdictions. The ASU is effective for fiscal years beginning after December 15, 2024, with early adoption permitted. The Company is currently evaluating the impact that this guidance will have on the disclosures within its consolidated financial statements.

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3.Revenue

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Contract revenues are recognized when control of the promised goods or services is transferred to the customer in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. The following table represents a disaggregation of the Company's contract revenues by service line for the marine and concrete segments:

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The Company has determined that it has two reportable segments pursuant to FASB ASC Topic 280, Segment Reporting, but has disaggregated its contract revenues in the above chart in terms of services provided within such segments. In making this determination, the Company considered the similar characteristics of its operations as discussed in Note 1. Additionally, as discussed, both the marine and concrete segments have limited contracts with multiple performance obligations. The Company's contracts are often estimated and bid as one project and evaluated as to performance as one project, not by individual services performed by each. Both the marine and concrete segments have a single individual responsible for managing the entire segment, not by service lines of the segments. Resources are allocated by segment and financial and budgetary information is compiled and reviewed by segment, not service line.

Marine Segment

Construction services include construction, restoration, maintenance, dredging and repair of marine transportation facilities, marine pipelines, bridges and causeways and marine environmental structures. Dredging services generally enhance or preserve the navigability of waterways or the protection of shorelines through the removal or replenishment of soil, sand or rock. Specialty services include design, salvage, demolition, surveying, towing, diving and underwater inspection, excavation and repair.

Concrete Segment

Structural services include elevated concrete pouring for products such as columns, elevated beams and structural walls. Light commercial services include horizontally poured concrete for products such as slabs, sidewalks, ramps and tilt walls. Other services comprise labor related to concrete pouring such as rebar installation and pumping services and typically support the Company's structural and light commercial services.

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4.Concentration of Risk and Enterprise-Wide Disclosures

In both reportable segments accounts receivable include amounts billed to governmental agencies and private customers and do not bear interest. Balances billed to customers but not paid pursuant to retainage provisions generally become payable upon contract completion and acceptance by the owner.

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The table below presents the concentrations of current receivables (trade and retainage) at June 30, 2024 and December 31, 2023, respectively:

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At June 30, 2024, the United States Navy, which is included in the Federal Government category, accounted for 27.2% of total current receivables. At December 31, 2023, acustomer in the Private Companies category accounted for 19.9% of total current receivables.

Additionally, the table below represents concentrations of contract revenue by type of customer for the three and six months ended June 30, 2024 and 2023, respectively:

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For the three months ended June 30, 2024, the United States Navy, which is included in the Federal Government category, accounted for 28.9% of total contract revenues. For the three months ended June 30, 2023, the United States Navy, which is included in the Federal Government category, accounted for 14.0% of total contract revenues. For the six months ended June 30, 2024, the United States Navy, which is included in the Federal Government category, accounted for 26.5% of total contract revenues. For the six months ended June 30, 2023, no single customer accounted for more than 10.0% of total contract revenues.

With the exception of the Unites States Navy, the Company does not believe that the loss of any one of its customers would have a material adverse effect on the Company or its subsidiaries and affiliates since no single specific customer besides the United States Navy sustains such a large portion of receivables or contract revenue over time. On March 10, 2023, the United States Navy awarded the Dragados/Hawaiian Dredging/Orion Joint Venture a $2.8 billion contract to complete the construction of a dry dock at Pearl Harbor Naval Shipyard. The

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Company's portion of work as a dedicated subcontractor totals $435.4 million. For the fiscal year ended December 31, 2023 and the three months and six months ended June 30, 2024, the Company's revenue related to the joint venture subcontract was approximately $90.5 million, $55.5 million and $93.5 million, respectively.

The concrete segment primarily purchases concrete from select suppliers. The loss of any one of these suppliers could adversely impact short-term operations.

Contract revenues generated outside the United States totaled 8.6% and 4.0% of total revenues for the three months ended June 30, 2024 and 2023, respectively, and 7.4% and 2.9% for the six months ended June 30, 2024 and 2023, respectively, and were primarily located in the Caribbean Basin.

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5.Contracts in Progress

Contracts in progress are as follows at June 30, 2024 and December 31, 2023:

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Included in contract assets is approximately $13.5 million and $13.0 million at June 30, 2024 and December 31, 2023, respectively, related to claims and unapproved change orders. See Note 2to the Company's consolidated financial statements for discussion of the accounting for these claims.

Remaining performance obligations represent the transaction price of firm orders or other written contractual commitments from customers for which work has not been performed or is partially completed and excludes unexercised contract options and potential orders. As of June 30, 2024, the aggregate amount of the remaining performance obligations was approximately $758.4 million. Of this amount, the current expectation of the Company is that it will recognize $629.4 million, or 83%, in the next 12 months and the remaining balance thereafter.

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6.Property and Equipment

The following is a summary of property and equipment at June 30, 2024 and December 31, 2023:

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For the three months ended June 30, 2024 and 2023, depreciation expense was $4.1 million and $4.4 million, respectively. For the six months ended June 30, 2024 and 2023, depreciation expense was $8.3 million and $9.0 million, respectively. Substantially all depreciation expense is included in the cost of contract revenue in the Company's Condensed Consolidated Statements of Operations. Substantially all of the assets of the Company are pledged as collateral under the Company's Credit Agreement (as defined in Note 9).

Substantially all of the Company's long-lived assets are located in the United States.

See Note 2to the Company's condensed consolidated financial statements for further discussion of property and equipment.

7.Fair Value

Recurring Fair Value Measurements

The fair value of financial instruments is the amount at which the instrument could be exchanged in a current transaction between willing parties. Due to their short-term nature, the Company believes that the carrying value of its accounts receivable, other current assets, accounts payable and other current liabilities approximate their fair values.

The Company classifies financial assets and liabilities into the following three levels based on the inputs used to measure fair value in the order of priority indicated:

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Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. The Company's assessment of the significance of a particular input to the fair value requires judgment and may affect the placement of assets and liabilities within the fair value hierarchy levels.

The following table sets forth by level within the fair value hierarchy the Company's recurring financial assets and liabilities that were accounted for at fair value on a recurring basis as of June 30, 2024 and December 31, 2023:

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Our concrete segment had life insurance policies with a combined face value of $11.1 million as of June 30, 2024. The policies are invested in mutual funds and the fair value measurement of the cash surrender balance associated with these policies is determined using Level 2 inputs within the fair value hierarchy and will vary with investment performance. These assets are included in the "Other noncurrent" asset section in the Company's Condensed Consolidated Balance Sheets.

Other Fair Value Measurements

The fair value of the Company's debt at June 30, 2024 and December 31, 2023 approximated its carrying value of $64.7 million and $42.3 million, respectively, as interest is based on current market interest rates for debt with similar risk and maturity. If the Company's debt was measured at fair value, it would have been classified as Level 2 in the fair value hierarchy.

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8.Accrued Liabilities

Accrued liabilities at June 30, 2024 and December 31, 2023 consisted of the following:

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9.Debt

On May 15, 2023, the Company entered into anew Credit Agreementwith White Oak ABL, LLC and White Oak Commercial Finance, LLC which includes a $65.0 million asset based revolving credit facility and a $38.0 million fixed asset term loan (the "Credit Agreement"). The Company incurred debt issuance costs related to the Credit Agreement of $5.9 million, which will be amortized over the life of the agreement under the effective interest method. The Credit Agreement has a maturity date of May 15, 2027. The Company used the proceeds of the Credit Agreement to repay the $40.0 million outstanding on the Company's prior credit facility. In connection with the extinguishment of the prior credit facility, the Company wrote off the remaining $0.1 million in debt issuance costs associated with the prior credit facility. On December 1, 2023, the Company entered into Amendment No. 1 to the Credit Agreement which extended the maturity date for the $15.0 million pre-payment to the earlier of June 30, 2024 and the date that is threebusiness days after receipt of net proceeds in respect of the East and West Jones Sale.

The Credit Agreement is secured by substantially all of the assets of the Company and its subsidiaries, including fixed assets and account receivables, and is used to finance general corporate and working capital purposes, capital expenditures, and permitted acquisitions and associated fees, to refinance existing indebtedness, and to pay for all expenses related to the Credit Agreement. Amounts repaid under the Revolver can be re-borrowed.

The Revolver initially bore interest at a rate of the 30-day SOFRplus 5.5% and the Term Loan at a rate of the 30-day SOFRplus 8.0%, subject to a SOFR floor of 4.0%. On February 27, 2024, the Company entered into Amendment No. 2 to the Credit Agreement, which lowered the interest rate for the Revolver by 50 basis points to 30-day SOFRplus 5.0% and the Term Loan by 100 basis points to 30-day SOFRplus 7.0%, subject to a SOFR floor of 4.0%.

On April 24, 2024, the Company executed Amendment No. 3 to the Loan Agreement with White Oak Commercial Finance, LLC. This amendment, among other things, (i) replaced the Consolidated EBITDA covenant with a Consolidated Fixed Charge Coverage Ratio (FCCR) for the quarter ended March 31, 2024, (ii) lowered the FCCR covenant threshold from 1.10:1.00 to 1.00:1.00 through the quarter ended December 31, 2024, (iii) lowered the $15 million prepayment due June 30, 2024 to $10 million, (iv) extended the maturity of the Loan Agreement by one year to May 15, 2027, and (v) reset the make-whole provision to align with the extension.

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On June 28, 2024, the Company executed Amendment No. 4 to the Loan Agreement with White Oak Commercial Finance, LLC. This amendment, among other things, (i) revised the Minimum Liquidity covenant to require that the Loan Parties and Subsidiaries cause Liquidity to not fall below the following amounts for more than threeconsecutive Business Days or as of the close of business on Friday of each week: From the Third Amendment Effective Date through July 26, 2024 - $8.0 million, provided that Liquidity may be less than $8.0 million but no less than $5.0 million on the close of business of one Friday during such period and during the week (ending Sunday) that includes such Friday; From July 27, 2024 through September 30, 2024 - $10.0 million; From October 1, 2024 through the Maturity Date - $15.0 million, (ii) revised the Specified Prepayment provision to replace the prior $10.0 million prepayment due June 30, 2024 with the following prepayments: July 26, 2024 - $2.0 million; August 30, 2024 - $4.0 million; September 30, 2024 - $4.0 million and October 31, 2024 - $5.0 million; provided, however, that if the sale of the East and West Jones Property is consummated prior to September 30, 2024, then the amounts due following the consummation of such sale are not required and instead, the Borrowers shall make a mandatory prepayment on the Term Loans of the net proceeds of the sale within threeBusiness Days of receipt of such proceeds in an amount equal to $15.0 million less the amount of the prepayments already made as of such date; and (iii) revised the Specified Post-Closing Liquidity Transactions provision to be fulfilled by September 30, 2024.

On July 26, 2024, the Company executed Amendment No. 5 to the Loan Agreement with White Oak Commercial Finance, LLC. See Note 18for more information regarding Amendment No. 5.

The quarterly weighted average interest rate for the Credit Agreement, as of June 30, 2024 was 12.07%.

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The Company's obligations under debt arrangements consisted of the following:

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