Edward Daly - 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
Net transactions value: +$225,217
Form type: 4
Filing time: 05 May 2025, 17:19:27 UTC
Previous filing: 11 Mar 2025
Next filing: 23 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Daly Edward	Director	190 CARONDELET PLAZA, SUITE 1530, CLAYTON	/s/ E.C. Tanner, Attorney-in-Fact	05 May 2025	0001996312

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	$199,348	+9,157		$21.77	9,157	01 May 2025	Common Stock	9,157		Direct	F1, F2
transaction	OLN	Phantom Stock Units	Award	$25,869	+492	+5.4%	$52.58	9,649	01 May 2025	Common Stock	492		Direct	F1, F2, F3

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

Explanation of Responses:

Id	Content
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.