Exhibit 12(a) OLIN CORPORATION Computation of Ratio of Earnings to Fixed Charges (Unaudited) (In millions) Years Ended December 31, ------------------------------------------------------------------- 1994 1993 1992 1991 1990 -------- -------- -------- -------- -------- Earnings: Income (loss) before taxes $141 $(150) $88 $(25) $116 Add (deduct): Income taxes of 50% owned affiliates 4 3 1 3 (4) Equity in (earnings) loss of less than 50% owned affiliates 2 4 5 - (5) Dividends received from less than 50% owned affiliates - - - - 1 Interest capitalized, net of amortization 1 (1) (4) (1) (2) Fixed charges as described below 56 56 58 63 72 -------- -------- -------- ------- -------- Total $204 $(88) $148 $40 $178 ======== ======== ======== ======= ======== Fixed charges: Interest expense 38 41 45 50 57 Estimated interest factor in rent expense 18 15 13 13 15 ------- -------- ------- ------- ------- Total $56 $56 $58 $63 $72 ======= ======== ======= ======= ======= Ratio of earnings to fixed charges (a) 3.6 - 2.6 0.6 2.5 ======= ======== ======= ======= ======= _______________________________________________________________________________ (a) In the twelve months ended December 31, 1993 and December 31, 1991, earnings were inadequate to cover fixed charges by $144 million and $23 million, respectively. In 1993, the Company recorded an after-tax charge of $132 million for personnel reductions, business restructurings involving consolidations and re-alignments within divisions, costs at sites of discontinued businesses, future environmental liabilities, and other charges. In 1991, the Company recorded an after-tax charge of $80 million to cover losses on the disposition and write-down of certain businesses and costs of personnel reductions.