EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (UNAUDITED) ($ in millions) Years Ended December 31 --------------------------------------------- 1999 1998 1997 1996 1995 ---- ---- ---- ---- ---- Fixed charges Interest expense $127.8 $171.7 $ 233.2 $ 249.7 $ 202.1 Interest capitalized during the period 3.6 - - - - Amortization of debt issuance expenses 4.1 4.6 6.7 6.3 5.1 Portion of rental expense representative of interest 46.3 49.1 51.8 59.8 65.9 ------ ------ ------- ------- ------- Total Fixed Charges 181.8 225.4 291.7 315.8 273.1 ------ ------ ------- ------- ------- Earnings Income (loss) from continuing operations before income taxes 770.3 594.2 (748.1) 80.2 (786.0) Add (deduct) share of loss (income) of associated companies 8.9 (.3) 5.9 (4.9) 5.0 ------ ------ ------- ------- ------- Subtotal 779.2 593.9 (742.2) 75.3 (781.0) ------ ------ ------- ------- ------- Fixed charges per above 181.8 225.4 291.7 315.8 273.1 Less interest capitalized during the period (3.6) - - - - ------ ------ ------- ------- ------- Total earnings (loss) $957.4 $819.3 $(450.5) $ 391.1 $(507.9) ====== ====== ======= ======= ======= Ratio of earnings to fixed charges 5.27 3.63 * 1.24 * ====== ====== ======= ======= ======= * Earnings for the years ended December 31, 1997 and 1995 were inadequate to cover fixed charges by approximately $742.2 and $781.0 million, respectively.