ICF Investor Presentation Q4 2023

Q4 and full year 2023 performance Revenue ($ millions)1 EPS¹ $1,963.2 $6.50 $1,780.0 $5.77 22 22 $475.6 $478.4 $1.56 $1.68 $4.35 $3.38 $1.16 $0.47 Q4 2022 Q4 2023 FY 2022 Total Revenue FY 2023 Q4 2022 Q4 2023 ■GAAP EPS FY 2022 ■Non-GAAP EPS FY 2023 2 1 Based on full-year 2023 financials released on February 27, 2024 2 Non-GAAP EPS: GAAP EPS plus tax-affected impact of acquisition-related charges, special charges, and amortization of intangibles ICF

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