X0306 4 2021-09-29 0 0001041803 PRICESMART INC PSMT 0001235793 HILDEBRANDT JOHN D 9740 SCRANTON RD. SAN DIEGO CA 92121 0 1 0 0 EVP-Operations Common Stock, $0.0001 par value per share 2021-09-29 4 A 0 3225 0.00 A 16729 D Common Stock, $0.0001 par value per share 2021-10-14 4 A 0 1935 0.00 A 18664 D Award of restricted stock, subject to vesting. 1,075 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. 839 shares vest on October 26, 2021 and 1,096 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