X0508 4 2024-07-01 0001362004 ICF International, Inc. ICFI 0001894152 Williams Michelle A 1902 RESTON METRO PLAZA RESTON VA 20190 1 0 Common 2024-07-01 4 A 0 1103.0000 0.0000 A 4501.0000 D This award of restricted stock units was granted pursuant to ICF International, Inc.'s Amended and Restated 2018 Omnibus Incentive Plan, and represents the Reporting Person's annual equity award. These restricted stock units will vest in equal quarterly increments (Sept. 1, Dec. 1, Mar. 1 and June 1). /s/ Matthew Selander, Attorney-in-fact 2024-07-03