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: Daly Edward (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-01	Phantom Stock Units	$	A	9157	Acquired		Common Stock (9157)	Direct
2025-05-01	Phantom Stock Units	$	A	492	Acquired		Common Stock (492)	Direct

Footnotes

F1: Phantom stock units convert into common stock on a one-to-one basis.

F2: Represents a portion of the annual director compensation granted under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.

F3: These shares reflect the directors' pro-rata compensation for 2024. The price is determined based on the fair market value as of May 1, 2024.