X0306 4 2022-03-28 0000001750 AAR CORP AIR 0001679985 Pachapa Eric 1100 N. WOOD DALE ROAD WOOD DALE IL 60191 1 VP-CAO & Controller Common Stock 2022-03-28 4 M 0 441 37.66 A 28881.32 D Common Stock 2022-03-28 4 S 0 441 49.0317 D 23940.32 D Common Stock 2022-03-29 4 M 0 8709 37.66 A 32649.32 D Common Stock 2022-03-29 4 M 0 7000 18.94 A 39649.32 D Common Stock 2022-03-29 4 S 0 8709 48.2586 D 30940.32 D Common Stock 2022-03-29 4 S 0 7000 48.2586 D 23940.32 D Common Stock 2022-03-28 4 M 0 4500 35.26 A 23940.32 D Common Stock 2022-03-28 4 S 0 4500 49.0317 D 19440.32 D Stock Option 37.66 2022-03-28 4 M 0 441 0 D 2020-07-31 2029-07-08 Common Stock 441 16559 D Stock Option 37.66 2022-03-29 4 M 0 8709 0 D 2020-07-31 2029-07-08 Common Stock 8709 7850 D Stock Option 18.94 2022-03-29 4 M 0 7000 0 D 2021-07-31 2030-07-13 Common Stock 7000 43020 D Stock Option 35.26 2022-03-28 4 M 0 4500 0 D 2018-07-10 2027-07-10 Common Stock 4500 0 D The awarded stock option vests and becomes exercisable in 1/3 annual installments beginning on July 31, 2020 and shall vest as follows: 33 and 1/3% on each of July 31, 2020, July 31, 2021, and July 31, 2022. 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. The awarded stock option vests and becomes exercisable in 1/3 annual installments beginning on July 31, 2018 and shall vest as follows: 33 and 1/3% on each of July 31, 2018, July 31, 2019, and July 31, 2020. /s/ Katherine Kwiat, power of attorney 2022-03-29