144 0001376436 XXXXXXXX LIVE 0001362004 ICF International, Inc. 001-33045 1902 RESTON METRO PLAZA RESTON VA 20190 (703) 934-3000 Datar Srikant M. Director COMMON Morgan Stanley Smith Barney LLC Executive Services

200 W Civic Center Dr - 4th Floor SANDY UT 84070

600 84058.80 18800000 11/30/2023 NASDAQ COMMON 03/01/2022 RESTRICTED STOCK ISSUER N 160 03/01/2022 COMPENSATION COMMON 06/01/2023 RESTRICTED STOCK ISSUER N 363 06/01/2023 COMPENSATION COMMON 09/01/2022 RESTRICTED STOCK ISSUER N 77 09/01/2022 COMPENSATION N SRIKANT M DATAR

1902 RESTON METRO PLAZA RESTON VA 20190

RESTRICTED STOCK 11/10/2023 600 81000.00 11/30/2023 /s/ Srikant Datar