X0206 3 2025-12-11 0 0000001750 AAR CORP AIR 0002101859 Flanagan Sarah Louise 1100 N. WOOD DALE RD. WOOD DALE IL 60191 1 Interim CFO VP Fin Ops Common Stock 29133 D Stock Option 48.09 2019-07-31 2028-07-09 Common Stock 9150 D Stock Option 37.66 2020-07-31 2029-07-08 Common Stock 10750 D Stock Option 37.74 2022-07-31 2031-07-12 Common Stock 9515 D Stock Option 50.93 2023-03-25 2032-03-25 Common Stock 28 D Stock Option 41.88 2023-07-31 2032-07-18 Common Stock 9940 D Stock Option 58.27 2024-07-31 2033-07-24 Common Stock 6915 D Stock Option 67.02 2025-07-31 2034-07-22 Common Stock 6860 D Stock Option 79.45 2026-07-31 2035-07-23 Common Stock 6090 D The option became exercisable as to 2,305 shares on July 31, 2024 and 2,305 shares on July 31, 2025 and becomes exercisable as to the remaining 2,305 shares on July 31, 2026. The option became exercisable as to 2,286 shares on July 31, 2025 and becomes exercisable as to 2,286 of the remaining shares on July 31, 2026 and 2,288 of the remaining shares on July 31, 2027. The awarded stock option vests and becomes exercisable in 1/3 annual installments beginning on July 31, 2026 and shall vest as follows: 33 1/3% on each of July 31, 2026, July 31, 2027 and July 31, 2028. /s/ Katherine Kwiat, power of attorney 2025-12-19