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: Darnall Matthew S (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-01	Phantom Stock Units	$	A	13751	Acquired		Common Stock (13751)	Direct

Footnotes

F1: Security converts to common stock on a one-to-one basis.

F2: Represents the annual director compensation grants that are credited to the reporting person's deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.