OLIN Corp — Director's Dealing 2005

Jun 1, 2005

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: OLIN CORP (OLN)
CIK: 0000074303
Period of Report: 2005-05-27

Reporting Person: Slater Todd A (Vice President)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $1 par value per share	3000	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (Right to buy)	$28.06	2008-02-10	Common Stock (5760)		Direct
Employee Stock Option (Right to buy)	$13.48	2010-02-09	Common Stock (6400)		Direct
Employee Stock Option (Right to buy)	$15.35	2013-02-12	Common Stock (11000)		Direct
Employee Stock Option (Right to buy)	$18.52	2014-02-11	Common Stock (9200)		Direct
Employee Stock Option (Right to buy)	$23.78	2015-02-09	Common Stock (10225)		Direct

Footnotes

F1: Option vests in three annual installments beginning on 2/13/2004.

F2: Option vests in three annual installments beginning on 2/12/2005.

F3: Option vests in three annual installments beginning on 2/10/2006.