Exhibit 99.1 El Pollo Loco Holdings, Inc. Announces First Quarter 2025 Financial Results COSTA MESA, CA – May 1, 2025 – El Pollo Loco Holdings, Inc. (Nasdaq: LOCO) today announced financial results for the 13-week period ended March 26, 2025. Highlights for the first quarter ended March 26, 2025 compared to the first quarter ended March 27, 2024 were as follows: -------------------- (1) System-wide comparable restaurant sales, restaurant contribution, adjusted net income and adjusted EBITDA are not presente ...