OLIN Corp — Director's Dealing 2021

May 18, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLIN Corp (OLN)
CIK: 0000074303
Period of Report: 2021-05-14

Reporting Person: PETERS VALERIE A (VP, HR)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-14	Common Stock $1 par value	M	24600	$17.33	Acquired	26024	Direct
2021-05-14	Common Stock $1 par value	S	24600	$46.06	Disposed	1424	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-14	Employee Stock Options (Right to Buy)	$17.33	M	24600	Disposed	2030-02-18	Common Stock $1 par value (24600.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $1 par value	9686.9402	Indirect

Footnotes

F1: This transaction was executed in multiple trades ranging from $45.80 to $46.44. The price reported above reflects the average weighted sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2: The figure represents shares of Olin Common Stock held under the Olin Common Stock Fund of the Olin Corporation Contributing Employee Ownership Plan (CEOP), a tax conditioned plan reflecting transactions exempt under Rule 16b-3, as reported by the CEOP Plan Administrator as of April 15, 2021.

F3: 24,600 shares subject to this Option vested on February 18, 2021. The remaining 49,200 shares subject to this Option will vest in two equal installments of 24,600 shares each on February 18, 2022 and February 18, 2023.