W. Anthony Will - 01 May 2025 Form 4 Insider Report for OLIN Corp (OLN)

Role: Director
Signature: /s/ E.C. Tanner, Attorney-in-Fact
Issuer symbol: OLN
Transactions as of: 01 May 2025
Transactions value $: $299,359
Form type: 4
Filing time: 05 May 2025, 16:24:25 UTC
Previous filing: 04 Mar 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Will W Anthony	Director	C/O OLIN CORPORATION, 190 CARONDELET PLZ, STE 1530, CLAYTON	/s/ E.C. Tanner, Attorney-in-Fact	05 May 2025	0001396130

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	OLN	Phantom Stock Units	Award	$299K	+13.8K	+74.59%	$21.77	32.2K	01 May 2025	Common Stock	13.8K		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.