Exhibit 12 UNISYS CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (UNAUDITED) ($ in millions) Three Months Ended Years Ended December 31 Mar. 31, ----------------------------------- 2000 1999 1998 1997 1996 1995 --------- ---- ---- ---- ---- ---- FIXED CHARGES Interest expense $ 20.5 $127.8 $171.7 $233.2 $249.7 $202.1 Interest capitalized during the period 2.3 3.6 - - - - Amortization of debt issuance expenses 1.0 4.1 4.6 6.7 6.3 5.1 Portion of rental expense representative of interest 11.6 46.3 49.1 51.8 59.8 65.9 ------- ------ ------ ------ ------ ------ Total Fixed Charges 35.4 181.8 225.4 291.7 315.8 273.1 ------- ------ ------ ------ ------ ------ EARNINGS Income (loss) from continuing operations before income taxes 161.4 770.3 594.2 (748.1) 80.2 (786.0) Add (deduct) share of loss (income) of associated companies (.1) 8.9 (.3) 5.9 (4.9) 5.0 ------- ------ ------ ------ ------- ------ Subtotal 161.3 779.2 593.9 (742.2) 75.3 (781.0) ------- ------ ------ ------ ------- ------ Fixed charges per above 35.4 181.8 225.4 291.7 315.8 273.1 Less interest capitalized during the period (2.3) (3.6) - - - - ------- ------ ------ ------ ------ ------- Total earnings (loss) $ 194.4 $957.4 $819.3 $(450.5)$391.1$(507.9) ======= ====== ====== ======= ====== ======= Ratio of earnings to fixed charges 5.49 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.