DoubleVerify Holdings, Inc.

Share Repurchase Program Repurchased 3.3 million shares for $50.1 million in the third quarter, bringing total repurchases to 8.4 million shares for $132.3 million over the nine months ended September 30, 2025, inclusive of broker commissions.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

As of November 7, 2025, $90.0 million remained available and authorized for repurchase under the New Repurchase Program.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

( Providence ); future offerings of debt or equity securities that would rank senior to our common stock; our ability to maintain an effective system of internal controls; our ability to fulfill our obligations incident to being a public company, including compliance with the Exchange Act and the requirements of the NYSE, the Sarbanes-Oxley Act and the Dodd-Frank Wall Street Reform and Consumer Protection Act (the Dodd-Frank Act ); the possibility of being subject to securities class action litigation due to future stock price volatility; and the other risk identified under the captions Risk Factors in our Annual Report and this Quarterly Report on Form 10-Q.

SEC original ↗DoubleVerify Holdings, Inc. — 10-Q Quarterly report10-QOct 30, 2026

In the Condensed Consolidated Statements of Stockholders Equity and the Condensed Consolidated Statements of Cash Flows for the periods ended September 30, 2026 and 2025, the Company changed the description of repurchases of its common stock under the Company s share repurchase programs.

SEC original ↗DoubleVerify Holdings, Inc. — 10-Q Quarterly report10-QOct 30, 2026

The change is intended to capture the share repurchase activity under all existing share repurchase authorizations approved by the Company s Board of Directors (the Board ).

SEC original ↗DoubleVerify Holdings, Inc. — 10-Q Quarterly report10-QOct 30, 2026

Significant estimates and judgments are inherent in the analysis and measurement of items including, but not limited to: revenue recognition criteria, including the determination of principal versus agent revenue considerations, operating lease assets and liabilities, including the incremental borrowing rate and terms and provisions of each lease, income taxes, the valuation and recoverability of goodwill and intangible assets, the assessment of potential loss from contingencies, assumptions in valuing acquired assets and liabilities assumed in business combinations, the allowance for doubtful accounts, and assumptions used in determining the fair value of stock-based compensation.

SEC original ↗DoubleVerify Holdings, Inc. — 10-Q Quarterly report10-QOct 30, 2026

We delivered 11% year-over-year growth in the third quarter, reflecting disciplined execution and continued progress across our key growth initiatives, while delivering stronger quarterly margins as we leverage AI to drive efficiencies in our model, said Mark Zagorski, CEO of DoubleVerify.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

Drove global market share growth through product upsells, international expansion, and new enterprise logo wins.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

They appear in a number of places throughout this Quarterly Report on Form 10-Q and include, without limitation, statements regarding our intentions, beliefs, assumptions or current expectations concerning, among other things, our financial position; results of operations; industry outlook; and growth strategies or expectations.

SEC original ↗DoubleVerify Holdings, Inc. — 10-Q Quarterly report10-QOct 30, 2026

, and secured by a first priority perfected security interest in substantially all of the assets (subject to customary exceptions) of Midco, the Borrower, Ad-Juster, Inc.

SEC original ↗DoubleVerify Holdings, Inc. — 10-Q Quarterly report10-QOct 30, 2026

(c) Other costs for the three and nine months ended September 30, 2025 consist of expenses incurred with respect to litigation and regulatory matters outside of the ordinary course and costs related to the early termination of an office lease.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

Forward-looking statements are subject to known and unknown risks and uncertainties, many of which may be beyond our control.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

These risks, uncertainties, assumptions and other factors include, but are not limited to, the competitiveness of our solutions amid technological developments or evolving industry standards, the competitiveness of our market, system failures, security breaches, cyberattacks or natural disasters, economic downturns and unstable market conditions, our ability to collect payments, data privacy legislation and regulation, public criticism of digital advertising technology, our international operations, our use of open source software, our limited operating history and the potential for our revenues and results of operations to fluctuate in the future.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

Further information on these and additional risks, uncertainties, and other factors that could cause actual outcomes and results to differ materially from those included in or contemplated by the forward-looking statements contained in this press release are included under the caption Risk Factors in the Company s Annual Report on Form 10-K filed with the SEC on February 27, 2025 and other filings and reports we make with the SEC from time to time.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

Legal Proceedings 31 Item 1A.

SEC original ↗DoubleVerify Holdings, Inc. — 10-Q Quarterly report10-QOct 30, 2026

A number of important factors, including, without limitation, the risks and uncertainties discussed under the captions Risk Factors and Management s Discussion and Analysis of Financial Condition and Results of Operations in this Quarterly Report on Form 10-Q and in our Annual Report on Form 10-K for the year ended December 31, 2025 (our Annual Report ) could cause actual results and outcomes to differ materially from those reflected in the forward-looking statements.

SEC original ↗DoubleVerify Holdings, Inc. — 10-Q Quarterly report10-QOct 30, 2026

Guidance direction — prior quarter: Raised; this quarter: Raised

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

Total revenue — prior quarter passage and this quarter's passage are both cited.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025

Activation revenue — prior quarter passage and this quarter's passage are both cited.

SEC original ↗DoubleVerify Holdings, Inc. — Earnings release (8-K exhibit)EX-99Nov 7, 2025