Company Announces Participation in BMO Chemicals Conference in May 2026

Compass Minerals (NYSE:CMP), a leading global provider of essential minerals, will release its second-quarter fiscal 2026 results on Wednesday, May 6, 2026, after the markets close. The company's president and CEO, Edward C. Dowling Jr., and CFO, Peter Fjellman, will discuss these results on a conference call on Thursday, May 7, 2026, at 9:30 a.m. ET.

Access to the conference call will be available via webcast at investors.compassminerals.com or by dialing 1-800-715-9871. Callers must provide the conference ID number 7896827. Outside of the U.S. and Canada, callers may dial 1-646-307-1963. An audio replay of the conference call will be available on the company's website.

The company also announced that Edward C. Dowling Jr., president and CEO, and other leadership team members will participate in one-on-one meetings at the BMO Chemicals Conference on May 13, 2026, in New York City.

Updated presentation materials will be available at the time of the event through the investor relations section of the Compass Minerals website at compassminerals.com

About Compass Minerals

Compass Minerals (NYSE:CMP) is a leading global provider of essential minerals focused on safely delivering where and when it matters to help solve nature's challenges for customers and communities. The company's salt products help keep roadways safe during winter weather and are used in numerous other consumer, industrial, chemical and agricultural applications. Its plant nutrition products help improve the quality and yield of crops while supporting sustainable agriculture. Compass Minerals operates 11 production and packaging facilities with more than 1,800 employees throughout the U.S., Canada and the U.K. Visit compassminerals.com for more information about the company and its products.

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Investor Contact

Brent Collins

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+1.913.344.9111

InvestorRelations@compassminerals.com

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