TELOS CORP

To the Board of Directors and Stockholders of Telos Corporation

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of Telos Corporation (the “Company”) as of December 31, 2023 and 2022, and the related consolidated statements of operations, comprehensive (loss)/income, changes in stockholders’ equity/(deficit) and cash flows for each of the two years in the period ended December 31, 2023, including the related notes (collectively referred to as the “consolidated financial statements”). We also have audited the Company’s internal control over financial reporting as of December 31, 2023, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2023 and 2022, and the results of its operations and its cash flows for each of the two years in the period ended December 31, 2023 in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2023, based on criteria established in Internal Control - Integrated Framework (2013) issued by the COSO.

Basis for Opinions

The Company's management is responsible for these consolidated financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in Management’s Report on Internal Control over Financial Reporting. Our responsibility is to express opinions on the Company’s consolidated financial statements and on the Company's internal control over financial reporting based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects.

Our audits of the consolidated financial statements included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Critical Audit Matters

The critical audit matter communicated below is a matter arising from the current period audit of the consolidated financial statements that was communicated or required to be communicated to the audit committee and that (i) relates to accounts or disclosures that are material to the consolidated financial statements and (ii) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Revenue Recognition – Estimated Costs to Complete Long-term Contracts

As discussed in Note 3 to the consolidated financial statements, a portion of the Company’s revenues of $145.4 million for the year ended December 31, 2023 were generated from long-term contracts. For the Company’s long-term contracts, due to the transfer of control over time, revenue is recognized based on progress towards completion of the performance obligation. Management generally uses the cost-to-cost measure of progress on a proportional performance basis for its long-term contracts because management believes that measure best depicts the transfer of control to the customer, which occurs as the Company incurs costs on the contracts. Under the cost-to-cost measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the total estimated costs at completion of the performance obligation, which includes both the actual costs already incurred and the estimated costs to complete. Revenues are recorded proportionately as costs are incurred. Due to the nature of the work required to be performed on certain of the performance obligations, management’s estimation of costs at completion is complex, subject to many variables and requires significant judgment. Contract estimates are based on various assumptions, including labor and subcontractor costs, materials and other direct costs, and the complexity of the work to be performed.

The principal considerations for our determination that performing procedures relating to revenue recognition - estimated costs to complete long-term contracts is a critical audit matter are (i) the significant judgment by management when estimating costs at completion and (ii) a high degree of auditor judgment, subjectivity and effort in performing procedures and evaluating management’s significant assumptions related to labor and subcontractor costs and materials and other direct costs.

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These procedures included testing the effectiveness of controls relating to the revenue recognition process, including controls over the determination of estimated contract revenue and costs. These procedures included, among others, (i) testing management’s process for estimating costs at completion for a sample of contracts (ii) evaluating the appropriateness of the cost-to-cost measure of progress, (iii) testing the completeness and accuracy of data used by management, and (iv) evaluating the reasonableness of management’s significant assumptions related to labor and subcontractor costs and materials and other direct costs. Evaluating management’s significant assumptions involved assessing whether the assumptions were reasonable by (i) performing a comparison of the originally estimated and actual costs incurred on a sample of similar completed contracts; (ii) assessing the reasonableness of estimated costs to complete on a sample of in-process contracts, including the timing of costs incurred and the related impacts on revenue; and (iii) performing retrospective reviews of a sample of contracts to understand and corroborate management’s estimation process and budget-to-actual variances, if any.

/s/PricewaterhouseCoopers LLP

Washington, District of Columbia

March 15, 2024

We have served as the Company's auditor since 2022.