Exhibit 12 UNISYS CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (UNAUDITED) ($ in millions) Six Months Ended Years Ended December 31 June 30, ---------------------------------- 2004 2003 2002 2001 2000 1999 -------- ---- ---- ---- ---- ---- Fixed charges Interest expense $ 35.2 $ 69.6 $ 66.5 $ 70.0 $ 79.8 $127.8 Interest capitalized during the period 8.5 14.5 13.9 11.8 11.4 3.6 Amortization of debt issuance expenses 1.7 3.8 2.6 2.7 3.2 4.1 Portion of rental expense representative of interest 27.6 55.2 53.0 53.9 42.2 46.3 ------ ------ ------ ------ ------ ----- Total Fixed Charges 73.0 143.1 136.0 138.4 136.6 181.8 ------ ------ ------ ------ ------ ----- Earnings Income (loss) from continuing operations before income taxes 71.1 380.5 332.8 (73.0) 348.5 751.7 Add (deduct) the following: Share of loss (income) of associated companies (13.2) (16.2) 14.2 (8.6) (20.5) 8.9 Amortization of capitalized interest 5.6 10.2 8.8 5.4 2.2 - ------ ------ ------ ------ ------ ----- Subtotal 63.5 374.5 355.8 (76.2) 330.2 760.6 ------ ------ ------ ------ ------ ----- Fixed charges per above 73.0 143.1 136.0 138.4 136.6 181.8 Less interest capitalized during the period ( 8.5) (14.5) (13.9) (11.8) (11.4) (3.6) ------ ------ ------ ------ ------ ------ Total earnings $128.0 $503.1 $477.9 $ 50.4 $455.4 $938.8 ====== ====== ====== ====== ====== ====== Ratio of earnings to fixed charges 1.75 3.52 3.51 * 3.33 5.16 ====== ====== ====== ====== ====== ===== * Earnings for the year ended December 31, 2001 were inadequate to cover fixed charges by approximately $88 million.