EXHIBIT 12.1 COMPUTATION OF PRO FORMA RATIO OF EARNINGS TO FIXED CHARGES (Dollars in Millions) Three Months Year Ended Ended December 31, March 31, 2001 2002 ---------- --------- Computation of Pro Forma Earnings: Income before taxes $ 1,348.5 $ 405.5 Net interest expense 43.8 12.0 Interest portion of operating lease expense 15.5 4.0 Equity in (earnings) losses of 50%-or-less owned companies accounted for under the equity method (16.1) (8.7) --------- --------- Pro Forma Earnings $ 1,391.7 $ 412.8 --------- --------- Computation of Pro Forma Fixed Charges: Net interest expense $ 43.8 $ 12.0 Capitalized interest 12.7 1.6 Interest portion of operating lease expense 15.5 4.0 --------- --------- Pro Forma Fixed Charges $ 72.0 $ 17.6 --------- --------- Pro Forma Ratio of Earnings to Fixed Charges 19.3 23.5 ========= =========