X0306 4 2022-02-14 0 0001041803 PRICESMART INC PSMT 0000934818 PRICE ROBERT E 7777 FAY AVE., STE. 300 LA JOLLA CA 92037 1 0 1 0 Common Stock 2022-02-14 4 S 0 4385 70.3357 D 791078 I As co-trustee of the Robert and Allison Price Charitable Trust Common Stock 2022-02-14 4 S 0 615 70.6977 D 790463 I As co-trustee of the Robert and Allison Price Charitable Trust Common Stock 2022-02-15 4 S 0 3406 70.9824 D 787057 I As co-trustee of the Robert and Allison Price Charitable Trust Common Stock 2022-02-15 4 S 0 520 71.6053 D 786537 I As co-trustee of the Robert and Allison Price Charitable Trust Common Stock 2022-02-16 4 S 0 601 70.6256 D 785936 I As co-trustee of the Robert and Allison Price Charitable Trust Common Stock 2022-02-16 4 S 0 473 71.353 D 785463 I As co-trustee of the Robert and Allison Price Charitable Trust Common Stock 2022-02-14 4 S 0 4385 70.3356 D 1143564 I As co-trustee of the Robert and Allison Price Trust UDT 1/10/75 Common Stock 2022-02-14 4 S 0 615 70.6977 D 1142949 I As co-trustee of the Robert and Allison Price Trust UDT 1/10/75 Common Stock 2022-02-15 4 S 0 3407 70.9824 D 1139542 I As co-trustee of the Robert and Allison Price Trust UDT 1/10/75 Common Stock 2022-02-15 4 S 0 520 71.6058 D 1139022 I As co-trustee of the Robert and Allison Price Trust UDT 1/10/75 Common Stock 2022-02-16 4 S 0 600 70.625 D 1138422 I As co-trustee of the Robert and Allison Price Trust UDT 1/10/75 Common Stock 2022-02-16 4 S 0 473 71.353 D 1137949 I As co-trustee of the Robert and Allison Price Trust UDT 1/10/75 Common Stock 80 D Common Stock 150511 I As co-manager of The Price Group LLC Common Stock 38805 I As co-trustee of the David Price Trust UTD 9/22/89 Common Stock 45000 I Family Trusts Common Stock 8314 I As managing member of RARSD LLC Sale of shares pursuant to Rule 10b5-1 plan. This transaction was executed in multiple trades at prices ranging from $69.64 to $70.63. 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. The reporting person and his wife Allison Price are co-trustees of this trust. The reporting person and his wife each disclaim beneficial ownership of the securities held by this trust except to the extent of their respective pecuniary interest therein. This transaction was executed in multiple trades at prices ranging from $70.64 to $70.81. 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 $70.50 to $71.48. 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 $71.50 to $71.99. 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 $70.12 to $71.11. 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 $71.18 to $71.47. 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. The reporting person and his wife Allison Price are co-trustees of this trust. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. The reporting person serves as co-trustee of this trust with his wife Allison Price and their adult son David Price. The reporting person and his wife each disclaim beneficial ownership of the securities held by this trust except to the extent of their pecuniary interest therein. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. The reporting person's wife, Allison Price, may also be deemed a greater than 10% beneficial owner of the Issuer's securities in her capacity as co-trustee of each of the trusts identified herein. As such, this Form 4 filing shall be deemed to constitute a Form 4 filing on behalf of both the reporting person and his wife, Allison Price. /s/ Robert E. Price 2022-02-16