X0306 4 2022-04-08 0000001750 AAR CORP AIR 0001782618 Jessup Christopher A. 1100 N. WOOD DALE ROAD WOOD DALE IL 60191 1 Vice President-CCO Common Stock 2022-04-08 4 S 0 2900 49.6621 D 40305.525 D Common Stock 2022-04-08 4 M 0 3200 24.00 A 43505.525 D Common Stock 2022-04-08 4 S 0 3200 49.5545 D 40305.525 D Common Stock 2022-04-11 4 S 0 5541 49.639 D 34764.525 D Common Stock 2022-04-11 4 M 0 2001 24.00 A 36765.525 D Common Stock 2022-04-11 4 S 0 2001 49.7964 D 34764.525 D Common Stock 2022-04-11 4 M 0 26891 18.94 A 61655.525 D Common Stock 2022-04-11 4 S 0 26891 49.7964 D 34764.525 D Stock Option 24.00 2022-04-08 4 M 0 3200 0 D 2017-07-11 2026-07-11 Common Stock 3200 2001 D Stock Option 24.00 2022-04-11 4 M 0 2001 0 D 2017-07-11 2026-07-11 Common Stock 2001 0 D Stock Option 18.94 2022-04-11 4 M 0 26891 0 D 2021-07-31 2030-07-13 Common Stock 26891 53784 D The awarded stock option vests and becomes exercisable in 1/3 annual installments beginning on July 11, 2017 and shall vest as follows: 33 and 1/3% on each of July 11, 2017, July 11, 2018, and July 11, 2019. The awarded stock option vests and becomes exercisable in 1/3 annual installments beginning on July 31, 2021 and shall vest as follows: 33 and 1/3% on each of July 31, 2021, July 31, 2022 and July 31, 2023. /s/ Katherine Kwiat, power of attorney 2022-04-12