OLIN Corp — Director's Dealing 2013

Feb 7, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLIN CORP (OLN)
CIK: 0000074303
Period of Report: 2013-02-05

Reporting Person: PAIN GEORGE H (Sr. VP, Gen. Counsel & Sec.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-02-05	Common Stock $1 par value	M	13333	—	Acquired	73470.386	Direct
2013-02-05	Common Stock $1 par value	F	3685	$23.74	Disposed	69785.386	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-05	Restricted Stock Units	$	M	13333	Disposed	2013-02-05	Common Stock (13333)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $1 par value	513.4962	Indirect

Footnotes

F1: Each restricted stock unit represented the right to receive one share of Olin common stock on the vesting date.

F2: Amount includes 88.809 shares held under the Olin Corporation Dividend Reinvestment Plan acquired periodically in transactions, which are exempt from Section 16(b).

F3: 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 January 15, 2013.