Exhibit 99.1

Olin to Present at Buckingham Research Luncheon

    NORWALK, Conn.--(BUSINESS WIRE)--Nov. 11, 2003--Olin Corporation's
(NYSE: OLN) senior management will make a presentation at meetings
with investors sponsored by Buckingham Research on Tuesday, November
18 in New York City. Attending the meetings will be Joseph D. Rupp,
President and Chief Executive Officer; Anthony W. Ruggiero, Executive
Vice President and Chief Financial Officer; John McIntosh, President,
Chlor Alkali Products; and Richard E. Koch, Vice President Investor
Relations and Public Affairs.
    Copies of the presentation slides will be available to all
investors, news media and the general public on Olin's web site
www.olin.com in the Investor section under Recent Press Releases and
Speeches on November 18 at approximately noon.
    Olin Corporation is a manufacturer concentrated in three business
segments: Metals, Chlor Alkali Products and Winchester. Metals
products include copper and copper alloy sheet, strip, foil, and rod,
welded tube, fabricated parts, metal packages and stainless steel
strip. Chlor Alkali Products manufactures chlorine and caustic soda,
sodium hydrosulfite, hydrochloric acid and bleach products. Winchester
products include sporting ammunition, canister powder, reloading
components, small caliber military ammunition and industrial
cartridges.

    CONTACT: Olin Corporation
             Investor Contact:
             Richard E. Koch, 203-750-3254
             or
             Press Contact:
             Thomas J. Fitzgerald, 203-750-3831