EXHIBIT 99.1
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                                     OLIN
             501 MERRITT 7, P.O. BOX 4500, NORWALK, CT 06856-4500


RICHARD E. KOCH, P.E.

Vice President, Investor Relations and Public Affairs
Phone:  (203) 750-3254
Fax:  (203) 750-3231
E-mail:  rekoch@corp.olin.com



                               OLIN CORPORATION


                            FIRST QUARTER EARNINGS

                         CONFERENCE CALL ANNOUNCEMENT


                            Friday, April 27, 2001
                             9:00 AM Eastern Time


A conference call to review first quarter results will be held on Friday, April
27, 2001 at 9:00 AM by Donald W. Griffin, Chairman, President and CEO; Anthony
Ruggiero, Executive Vice President and CFO; and Richard Koch, Vice President,
Investor Relations and Public Affairs. Prepared remarks will take about 20
minutes and will be followed by a question and answer period.

Earnings, along with income statement and segment information, will be released
on the morning of Friday, April 27.  The release will be available on First
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Call, Business Wire and Dow Jones News Service.  If you would like to
participate in the conference call, or listen to a replay of the call via
PostView, please contact Victoria Garcia at (203) 750-3811.  PostView will be
available by telephone on Friday, April 27, from 1:00 PM ET through midnight
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Wednesday, May  2.
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The conference call will also be webcast live on our corporate website
www.olin.com.
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