OLIN Corp — Director's Dealing 2012

Feb 7, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLIN CORP (OLN)
CIK: 0000074303
Period of Report: 2012-02-05

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-05	Common Stock $1 par value	M	13333	—	Acquired	55566.577	Direct
2012-02-05	Common Stock $1 par value	F	3518	$22.94	Disposed	52048.577	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-02-05	Restricted Stock Units	$	M	13333	Disposed	2012-02-05	Common Stock (13333)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $1 par value	495.8459	Indirect

Footnotes

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

F2: Includes 1.061 shares acquired under the Olin Corporation Dividend Reinvestment Plan, 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, 2012.