EXHIBIT 12 OLIN CORPORATION AND CONSOLIDATED SUBSIDIARIES Computation of Ratio of Earnings to Fixed Charges (Unaudited) (In millions) Years Ended December 31, ------------------------------------ 1997 1996 1995 1994 1993 ------------------------------------ Earnings: Income (loss) from continuing operations before taxes $234 $446 $204 $119 $(154) Add (deduct): Income taxes of 50% owned affiliates 2 3 3 4 3 Equity in (earnings) loss of less than 50% owned affiliates (6) (2) (1) 3 5 Dividends received from less than 50% owned affiliates 2 2 1 - - Interest capitalized, net of amortization - - 1 1 (1) Fixed charges as described below 43 48 53 46 47 ---- ---- ---- ---- ----- Total $275 $497 $261 $173 $(100) ==== ==== ==== ==== ===== Fixed charges: Interest expense $ 26 $ 30 $ 36 $ 30 $ 33 Estimated interest factor in rent expense 17 18 17 16 14 ---- ---- ---- ---- ----- Total $ 43 $ 48 $ 53 $ 46 $ 47 ==== ==== ==== ==== ===== Ratio of earnings to fixed charges(a) 6.4 10.4 4.9 3.8 - ==== ==== ==== ==== ===== - ----------------------------------------------------------------------------------------------- (a) In the twelve months ended December 31, 1993, earnings were inadequate to cover fixed charges by $147 million. In 1993, the Company recorded an after-tax charge of $124 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.