Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Compass Minerals International, Inc. 2020 Incentive Award Plan, of our report dated November 29, 2023 (except for the effects of the restatement discussed in Note 1 and Note 23 to the consolidated financial statements included in the Company's 2023 Annual Report on Form 10-K/A, as to which the date is October 29, 2024, and except for the effects of the adoption of ASU 2023-07 included in Note 12 to the consolidated financial statements included in the Company's 2025 Annual Report on Form 10-K, as to which the date is December 11, 2025), with respect to the consolidated financial statements and schedule of Compass Minerals International, Inc. included in its Annual Report (Form 10-K) for the year ended September 30, 2025, filed with the Securities and Exchange Commission.
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| /s/ Ernst & Young LLP | | | |
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| Kansas City, Missouri | | | |
August 27, 2026 | | | |