OLIN Corp — Director's Dealing 2025

May 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLIN Corp (OLN)
CIK: 0000074303
Period of Report: 2025-05-01

Reporting Person: Ehrhardt Marc (VP Corporate Strategy)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-01	Restricted Stock Units	$	A	15618	Acquired		Common Stock (15618)	Direct
2025-05-01	Restricted Stock Units	$	A	10000	Acquired		Common Stock (10000)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of Olin Common Stock.

F2: The restricted stock units vests in three annual installments beginning on May 1, 2026.

F3: 2,500 units vest on May 1, 2026, 2,500 units vest on May 1, 2027 and the remaining 5,000 units vest on May 1, 2028.