EXHIBIT 12 OLIN CORPORATION AND CONSOLIDATED SUBSIDIARIES Computation of Ratio of Earnings to Fixed Charges (a) (Unaudited) (In millions) Years Ended December 31, --------------------------------------- 1996 1995 1994 1993 1992 ------ ------ ------ ------ ------ Earnings: Income (loss) from continuing operations before taxes $446 $204 $119 $(154) $70 Add (deduct): Income taxes of 50% owned affiliates 3 3 4 3 1 Equity in (earnings) loss of less than 50% owned affiliates (2) (1) 3 5 6 Dividends received from less than 50% owned affiliates 2 1 - - - Interest capitalized, net of amortization - 1 1 (1) (4) Fixed charges as described below 48 53 46 47 48 ------ ------ ------ ------ ------ Total $497 $261 $173 $(100) $121 ====== ====== ====== ====== ====== Fixed charges: Interest expense $30 $36 $30 $33 $36 Estimated interest factor in rent expense 18 17 16 14 12 ------ ------ ------ ------ ------ Total $48 $53 $46 $47 $48 ====== ====== ====== ====== ====== Ratio of earnings to fixed charges(b) 10.4 4.9 3.8 - 2.5 ====== ====== ====== ====== ====== ---------------------------------------------------------------------------------------------- (a) Computation of ratio of earnings to fixed charges has been restated to reflect the spin-off of Primex Technologies, Inc. (b) 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.