Exhibit 99.1 Contact: Rachel Webb Vice President, Investor Relations rachel.webb@jackinthebox.com 858.522.4556 Jack in the Box Inc. Reports Fourth Quarter and Full-Year 2025 Earnings Jack in the Box same-store sales of (7.4%) in Q4 2025, (4.2%) for FY 2025 Del Taco same-store sales of (3.9%) in Q4 2025, (3.7%) for FY 2025 Diluted earnings per share of $0.30 and Operating EPS of$0.30 SAN DIEGO, Calif. November 19, 2025 – Jack in the Box Inc. (NASDAQ: JACK) announced financial results for the Jack in the Box ...