CLAYTON, Mo., Aug. 9, 2012 /PRNewswire/ -- Olin Corporation (NYSE: OLN) announced today that it intends to commence an offering of $175 million in aggregate principal amount of Senior Notes due 2022 (the "Senior Notes"), subject to market and other conditions. The Senior Notes will be sold pursuant to Olin's shelf registration statement and the base prospectus on file with the Securities and Exchange Commission. The underwriters for the transaction are BofA Merrill Lynch, Citigroup Global Markets Inc. and Wells Fargo Securities, LLC. The proceeds of the offering are expected to be used to pay a portion of the purchase price for the previously announced acquisition of K. A. Steel Chemicals Inc. If the K. A. Steel Chemicals Inc. acquisition has not been consummated on or before the closing of the Senior Notes offering, the proceeds of the offering will be placed in an account pending the completion of the K. A. Steel Chemicals Inc. acquisition. This press release does not constitute an offer to sell or a solicitation of an offer to buy the Senior Notes, which may be made only pursuant to the terms of the relevant prospectus supplement (including the prospectus). These documents are available at no charge by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, these documents will be made available upon request to any underwriter participating in the offering. Interested parties may obtain a prospectus and the related prospectus supplement from BofA Merrill Lynch, 222 Broadway, 7 th Floor, New York, NY 10038, Attention: Prospectus Department, or by calling: 1-800-294-1322 or emailing: firstname.lastname@example.org.COMPANY DESCRIPTION Olin Corporation is a manufacturer concentrated in two business segments: Chlor Alkali Products and Winchester. Chlor Alkali Products manufactures chlorine and caustic soda, hydrochloric acid, hydrogen, potassium hydroxide and bleach products. Winchester products include sporting ammunition, reloading components, small caliber military ammunition and components, and industrial cartridges.