Eugene I. Lee, Jr. Appointed Chairman of the Board of Portillo's; Michael A. Miles, Jr. to Retire as of Annual Meeting

Leadership Transition - Portillo's announced a leadership transition with Eugene I. Lee, Jr. appointed as Chairman of the Board, effective immediately, succeeding Michael A. Miles, Jr. who will retire after leading the Board since 2014 [1][2] - Both Miles and Joshua A. Lutzker will not stand for reelection at the Company's 2026 Annual Meeting, reducing the Board size to seven [3][4] Company Background - Portillo's has grown from a small hot dog trailer in Chicago to over 100 restaurants across 11 states, known for its menu of Italian beef sandwiches, Chicago-style hot dogs, and other offerings [5] - The company operates a model that focuses on experience, blending dine-in, drive-thru, takeout, and delivery to serve guests [5] Future Outlook - Eugene I. Lee, Jr. expressed confidence in the opportunities ahead for Portillo's and aims to build on the Company's momentum and drive long-term value for shareholders [2]