X0306 4 2022-08-01 0 0001041803 PRICESMART INC PSMT 0001030744 Price Philanthropies Foundation 7777 FAY AVE., STE. 300 LA JOLLA CA 92037 0 0 1 0 Common Stock 2022-08-01 4 S 0 9661 66.4581 D 3264094 D Common Stock 2022-08-01 4 S 0 339 67.2944 D 3263755 D Common Stock 2022-08-02 4 S 0 9299 65.6851 D 3254456 D Common Stock 2022-08-02 4 S 0 701 66.3005 D 3253755 D Sale of shares pursuant to Rule 10b5-1 plan. This transaction was executed in multiple trades at prices ranging from $65.93 to $66.925. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $66.94 to $67.64. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $65.21 to $66.13. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $66.22 to $66.37. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Jeff Fisher, Chief Financial Officer 2022-08-02