Information Services Group Inc.

In addition to the other information set forth in this Quarterly Report on Form 10-Q, including Management’s Discussion and Analysis of Financial Condition and Results of Operations and the condensed consolidated financial statements and related notes, you should carefully consider the risks discussed in Part I, Item 1A “Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2025. If any of these risks occur or continue to occur, our business, financial condition and/or operating results could be materially adversely affected. We also note that the risk factors described in this report and in our Annual Report on Form 10-K for the fiscal year ended December 31, 2025 are not the only risks facing our Company, and such additional risks or uncertainties that we currently deem to be immaterial or are unknown to us could negatively impact our business, operations and/or financial results.

Dividend Program

On August 4, 2026, the Board approved a third-quarter dividend of $0.045 per share, paid on September 25, 2026, to shareholders of record as of September 4, 2026.

On October 30, 2026, the Board approved a fourth-quarter dividend of $0.045 per share, payable on December 18, 2026, to shareholders of record as of December 4, 2026.

The dividends are accounted for as a decrease to Stockholders’ Equity. All future dividends will be subject to the Board’s prior approval.

Issuer Purchases of Equity Securities

On August 4, 2026, the Board approved a new share repurchase authorization of an additional $30.0 million, which took effect upon the completion of the Company’s previous repurchase program that was exhausted in the quarter ended September 30, 2026. The Companyhad approximately $27.9 million available under its current share repurchase program as of September 30, 2026. The shares may be repurchased from time to time in open market transactions at prevailing market prices, in privately negotiated transactions, pursuant to a Rule 10b5-1 repurchase plan or by other means in accordance with federal securities laws. The timing, the amount and the method of any repurchases will be determined by the Company’s management based on its evaluation of market conditions, capital allocation alternatives and other factors. There is no guarantee as to the number of shares that will be repurchased, and the repurchase program may be extended, suspended or discontinued at any time without notice at the Company’s discretion.

The following table details the repurchases that were made during the three months ended September 30, 2026.

As of September 30, 2026, the Company’s unsettled open market repurchases were immaterial.

Recent Sales of Unregistered Securities

As previously reported, on September 1, 2025, the Company completed the acquisition of Martino & Partners. In September 2025, in connection with the acquisition, the Company issued 48,356 shares of ISG common stock valued at approximately $0.3 million to the sellers of Martino & Partners. The issuance of these shares of ISG common stock was exempt from registration under Section 4(a)(2) of the Securities Act of 1933, as amended.