8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):  October 22, 2009

OLIN CORPORATION

(Exact name of registrant as specified in its charter)

Virginia	1-1070	13-1872319
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

	190 Carondelet Plaza, Suite 1530 Clayton, MO (Address of principal executive offices)	63105-3443 (Zip Code)
(314) 480-1400 (Registrant's telephone number, including area code)

 (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

[  ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[  ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[  ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act 17 CFR 240.14d-2(b))

[  ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act 17 CFR 240.13e-4(c))

Item 7.01.                      Regulation FD Disclosure

In accordance with General Instruction B.2. of Form 8-K, the following information shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.  Olin disclaims any intention or obligation to update or revise this information.

Attached as Exhibit 99.1 and incorporated herein by reference, is a copy of the Company's press release dated October 22, 2009, announcing it declared a quarterly dividend of 20 cents on each share of Olin common stock payable on December 10, 2009 to shareholders of record at the close of business on November 10, 2009.

Item 9.01.                      Financial Statements and Exhibits

(d)  Exhibit No.	Exhibit
99.1	Press Release announcing declaration of dividend, dated October 22, 2009.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 OLIN CORPORATION

 By:           /s/ George H. Pain                                

 Name: George H. Pain

 Title:   Vice President, General Counsel and Secretary

Date:  October 22, 2009

EXHIBIT INDEX

Exhibit No.	Exhibit
99.1	Press Release announcing declaration of dividend, dated October 22, 2009.

EX-99.1

Exhibit 99.1

Investor Contact: Larry P. Kromidas

(618) 258-3206

lpkromidas@olin.com

 News

Olin Corporation, 190 Carondelet Plaza, Suite 1530, Clayton, MO 63105-3443

FOR IMMEDIATE RELEASE

Olin Declares 332nd Consecutive Quarterly Dividend

CLAYTON, MO, October 22, 2009 – Today, Olin Corporation’s (NYSE: OLN) Board of Directors declared a quarterly dividend of 20 cents on each share of Olin common stock.  The dividend is payable on December 10, 2009 to shareholders of record at the close of business on November 10, 2009.  This marks the company’s 332nd consecutive quarterly dividend.

Olin Corporation is a manufacturer concentrated in two business segments:  Chlor Alkali Products and Winchester.  Chlor Alkali Products manufactures chlorine and caustic soda, sodium hydrosulfite, hydrochloric acid, hydrogen, potassium hydroxide and bleach products.  Winchester products include sporting ammunition, reloading components, small caliber military ammunition and components, and industrial cartridges.

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