X0306 4 2021-09-29 0 0001041803 PRICESMART INC PSMT 0001645395 Calvo Rodrigo 9740 SCRANTON RD. SAN DIEGO CA 92121 0 1 0 0 EVP-Real Estate Common Stock, $0.0001 par value per share 2021-09-29 4 A 0 2016 0.00 A 17982 D Common Stock, $0.0001 par value per share 2021-10-14 4 A 0 1115 0.00 A 19097 D Award of restricted stock, subject to vesting. 672 of the shares vest on each of August 29, 2022, August 29, 2023 and August 29, 2024, subject to continued service or acceleration of vesting as provided in award agreement. Not applicable. Represents performance stock units as to which target and over-achievement performance criteria were determined to have been met on October 14, 2021. The PSUs remain subject to time-based vesting. 302 shares vest on October 26, 2021 and 813 shares vest on October 26, 2023, subject to continued service or acceleration of vesting as provided in award agreement. /s/ Francisco Velasco as Attorney-in-fact 2021-10-18