OLIN Corp — Director's Dealing 2005

Jan 10, 2005

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: OLIN CORP (OLN)
CIK: 0000074303
Period of Report: 2005-01-01

Reporting Person: McGough Dennis R (Vice President)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock $1 par value per share	2956	Direct
Common Stock	9702.6965	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (Right to buy)	$17.16	2005-04-26	Common Stock (1144)		Direct
Employee Stock Option (Right to buy)	$24.68	2006-01-24	Common Stock (6096)		Direct
Employee Stock Option (Right to buy)	$24.34	2007-01-29	Common Stock (3000)		Direct
Employee Stock Option (Right to buy)	$27.17	2008-01-28	Common Stock (4000)		Direct
Employee Stock Option (Right to buy)	$15.85	2009-02-08	Common Stock (6000)		Direct
Employee Stock Option (Right to buy)	$18.97	2010-01-26	Common Stock (15000)		Direct
Employee Stock Option (Right to buy)	$18.97	2010-01-26	Common Stock (15000)		Direct
Employee Stock Option (Right to buy)	$18.63	2011-02-07	Common Stock (11250)		Direct
Employee Stock Option (Right to buy)	$16.10	2012-02-13	Common Stock (24000)		Direct
Employee Stock Option (Right to buy)	$15.35	2013-02-12	Common Stock (23000)		Direct
Employee Stock Option (Right to buy)	$18.52	2014-02-11	Common Stock (18400)		Direct
Restricted Stock Units	$		Common Stock (3500)		Direct

Footnotes

F1: The figure shown represents shares of Olin Common Stock acquired on a periodic basis under the Olin 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 1, 2005.

F2: The option becomes exercisable on the earlier of (i) December 27, 2009 or (ii) the tenth day (in any 30 calendar day period) upon which the average of the high and low per share sales prices of the Common Stock as reported on the consolidated transaction reporting system for New York Stock Exchange issues is at or above $28.00.

F3: Option vests in three annual installments beginning on 2/14/03.

F4: Option vests in three annual installments beginning on 2/13/04.

F5: Option vests in three annual installments beginning on 2/12/05.

F6: Right to acquire shares of common stock vesting on 02/12/07.

F7: Security converts to common stock on a one-for-one basis.