EX-23.1 2 olin2019form11kexhibit231.htm EXHIBIT 32.1 CONSENT OF BROWN SMITH WALLACE LLC Document
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Exhibit 23.1



Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in Registration Statement No. 333-209534 on Form S-8 of our report dated June 9, 2020, appearing in this Annual Report on Form 11-K of the Olin Corporation Contributing Employee Ownership Plan for the year ended December 31, 2019.

/s/ Brown Smith Wallace, LLC

St. Louis, Missouri
June 9, 2020

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