Compass Minerals(CMP) - 2025 Q2 - Quarterly Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Compass Minerals Reports Fiscal 2025 Second-Quarter Results OVERLAND PARK, Kan. (May 7, 2025) - Compass Minerals (NYSE: CMP), a leading global provider of essential minerals, today reported fiscal 2025 second-quarter results. Unless otherwise noted, it should be assumed that time periods referenced below are on a fiscal-year basis. MANAGEMENT COMMENTARY "Compass Minerals continues to make progress on its back-to-basics strategy, a key tenet of which is optimization. This i ...