OLIN Corp

For the period ended Dec 31, 2025. Filed Feb 20, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 20, 2026

OLN$17.50-0.3%Stored close · as of Nov 10, 2026

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Item 14. Principal Accountant Fees and Services

Our independent registered public accounting firm is KPMG LLP, St. Louis, MO, Auditor Firm ID:185.

We incorporate the information concerning the accounting fees and services of our independent registered public accounting firm, KPMG LLP, under the heading ITEM 3—“PROPOSAL TO RATIFY THE APPOINTMENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM” in our Proxy Statement by reference in this Report.

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