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 99.2 is a copy of the registrant's press release announcing that senior management will be available for one-on-one meetings with investors at the UBS SMID Cap One-on-One Symposium in Boston on February 26, 2013, the Longbow Research Basic Materials Investor Conference in New York City on March 5, 2013, the Susquehanna Chemical Conference in Boston on March 14, 2013 and the Sidoti & Company Emerging Growth Institutional Investor Forum in New York City on March 19, 2013. In addition, Olin's senior management will make a formal presentation at the Sidoti & Company conference at 10:00 a.m. Eastern time.

Copies of the presentation slides will be available the evening prior to each event to investors, news media and the general public on Olin's web site www.olin.com in the Investors section under Investor Presentations.

Attached as Exhibit 99.1 and incorporated herein by reference, is a copy of the slides which will be presented at the UBS SMID Cap One-on-One Symposium in Boston on February 26, 2013.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibit No. Exhibit
99.1 Presentation slides for meeting on February 26, 2013.
99.2 Press release dated February 8, 2013

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