X0508 4 2025-11-30 0 0001871509 Portillo's Inc. PTLO 0002020559 Correia Keith M C/O PORTILLO'S INC. 2001 SPRING ROAD SUITE 400 OAK BROOK IL 60523 0 1 0 0 Chief Information Officer 0 Class A common stock 2025-11-30 4 A 0 204 4.70 A 62820 D Class A common stock 2025-11-30 4 F 0 5 4.70 D 62815 D Includes shares of Class A Common Stock purchased pursuant to the Portillo's Inc. 2022 Employee Stock Purchase Plan ("ESPP"), for the purchase period of September 1, 2025 to November 30, 2025. In accordance with the ESPP, these shares were purchased at a price equal to 90% of the closing price of Issuer's Class A Common Stock on November 28, 2025. Represents shares deducted to satisfy tax withholding obligations on the vesting of the award reported herein. /s/ Kelly M. Kaiser, as attorney-in-fact for Keith M Correia 2025-12-02