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Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the registration statements (Nos. 333-119410, 333-121965, 333-127699, 333-203922, 333-238252, 333-265569, and 333-283200) on Form S-8 and No. 333-274622 on Form S-3 of our reports dated December 11, 2025, with respect to the consolidated financial statements of Compass Minerals International Inc. and the effectiveness of internal control over financial reporting.
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| /s/ KPMG LLP | | | |
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| December 11, 2025 | | | |
| Kansas City, Missouri | | | |