OLIN Corp — Director's Dealing 2009

Feb 9, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OLIN CORP (OLN)
CIK: 0000074303
Period of Report: 2009-02-05

Reporting Person: RUPP JOSEPH D (Director, Chairman, President & CEO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-02-05	Employee Stock Option (right to buy)	$14.28	A	268750	Acquired	2019-02-04	Common Stock (268750)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $1 par value	77896	Direct
Common Stock $1 par value	48733.2852	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 of January 15, 2009.

F2: The option vests in three annual installments beginning February 5, 2010.