Compass Minerals(CMP) - 2026 Q1 - Quarterly Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Compass Minerals Reports Fiscal 2026 First-Quarter Results OVERLAND PARK, Kan. (Feb. 4, 2026) - Compass Minerals (NYSE: CMP), a leading global provider of essential minerals, today reported fiscal 2026 first-quarter results. Unless otherwise noted, it should be assumed that time periods referenced below are on a fiscal-year basis and financial amounts are in U.S. dollars. MANAGEMENT COMMENTARY "Compass Minerals delivered a strong opening quarter to fiscal 2026. Robust wint ...