ICF International, Inc.

Disclosure Controls and Procedures and Internal Controls Over Financial Reporting. Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, have evaluated the effectiveness of the Company’s disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Exchange Act of 1934, as amended) and have concluded that as of June 30, 2025, our disclosure controls and procedures were effective. There have been no significant changes in our internal controls over financial reporting during the quarterly period covered by this report that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.