Alcoa and subsidiaries EXHIBIT 12 Computation of Ratio of Earnings to Fixed Charges For the three months ended March 31, 1999 (in millions, except ratio) 1999 ---- Earnings: Income before taxes on income $ 363.2 Minority interests' share of earnings of majority- owned subsidiaries without fixed charges - Equity loss 0.8 Fixed charges 65.7 Proportionate share of income of 50%-owned persons 2.4 Distributed income of less than 50%-owned persons - Amortization of capitalized interest 4.6 ------- Total earnings $ 436.7 Fixed Charges: Interest expense: Consolidated $ 52.6 Proportionate share of 50%-owned persons 0.7 ------- 53.3 ------- Amount representative of the interest factor in rents: Consolidated 12.1 Proportionate share of 50%-owned persons .3 ------- 12.4 ------- Fixed charges added to earnings 65.7 ------- Interest capitalized: Consolidated 2.8 Proportionate share of 50%-owned persons - ------- 2.8 ------- Preferred stock dividend requirements of majority-owned subsidiaries - ------- Total fixed charges $ 68.5 ======= Ratio of earnings to fixed charges 6.4 ------- -24-