Compass Minerals and Utah Division of Forestry, Fire and State Lands enter into voluntary agreement to protect the Great Salt Lakes Page 1

Compass Minerals (NYSE: CMP), a leading global supplier of essential minerals, today announced that it has entered into a binding voluntary agreement (Agreement) with the Utah Division of Forestry, Fire and State Lands (FFSL) outlining the Company’s water and land conservation commitments to the long-term health of the Great Salt Lake. As previously announced, Compass Minerals and FFSL had signed a term sheet in early March 2024 setting out the framework for negotiations toward a binding agreement.

“The Great Salt Lake is a vital ecosystem and economic engine that we must all work to protect, and Compass Minerals stands with the many diverse stakeholders who are helping to preserve this globally significant resource,” said Edward C. Dowling Jr., President and CEO. “With this voluntary agreement, we are committing to making a meaningful contribution to the health of the lake while ensuring future predictability of our water use allocation that supports sustainable production at our Ogden facility.”