Exhibit 99.1 El Pollo Loco Holdings, Inc. Announces First Quarter 2024 Financial Results COSTA MESA, CA – May 2, 2024 – El Pollo Loco Holdings, Inc. (Nasdaq: LOCO) today announced financial results for the 13-week period ended March 27, 2024. Highlights for the first quarter ended March 27, 2024 compared to the first quarter ended March 29, 2023 were as follows: ● Total revenue was $116.2 million compared to$114.5 million. ● System-wide comparable restaurant sales(1) increased by 5.1%. ● Income from operat ...