OLIN Corp — Director's Dealing 2007

Feb 15, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLIN CORP (OLN)
CIK: 0000074303
Period of Report: 2007-02-12

Reporting Person: McGough Dennis R (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-02-12	Common Stock $1 par value	M	3500	$16.24	Acquired	6740	Direct
2007-02-12	Common Stock $1 par value	F	1032	$16.24	Disposed	5708	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-02-13	Employee Stock Option (right to buy)	$16.52	A	19500	Acquired	2017-02-12	Common Stock (19500)	Direct
2004-02-12	Restricted Stock Units	$0	M	3500	Disposed	2007-02-12	Common Stock (3500)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $1 par value	10061.3266	Indirect

Footnotes

F1: The figure shown represents shares of Olin Common Stock acquired on a periodic basis under the Olin Corporation Contributing Employee Ownership Plan (CEOP), a tax-conditioned plan, and held in the Olin Common Stock Fund of the CEOP, in a transaction exempt under Rule 16b-3, and is based on information provided by the Plan Administrator as January 15, 2007.

F2: The option vests in three annual installments begining February 13, 2008.

F3: Security converts to common stock on a one-for-one basis.