OLIN Corp — Director's Dealing 2013

May 13, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLIN CORP (OLN)
CIK: 0000074303
Period of Report: 2013-05-09

Reporting Person: OConnor John MB (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-09	Common Stock $1 par value	A	1036	$24.145	Acquired	3311	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-09	Phantom Stock Units	$0	A	3100	Acquired		Common Stock (3100)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $1 par value	8853	Indirect

Footnotes

F1: Shares of common stock granted under the Amended and Restated 1997 Stock Plan for Non-employee Directors, the Company's formula director compensation plan.

F2: Includes 1,039 shares reported on previous filings as owned indirectly by family trust (with such error corrected on an amended Form 4 filed on March 13, 2013).

F3: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F4: Security converts to common stock on a one-for-one basis.