Exhibit 12 UNISYS CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (UNAUDITED) ($ in millions) Nine Months Ended Years Ended December 31 Sept. 30, ----------------------------------- 2005 2004 2003 2002 2001 2000 -------- ---- ---- ---- ---- ---- Fixed charges Interest expense $ 44.9 $ 69.0 $ 69.6 $ 66.5 $ 70.0 $ 79.8 Interest capitalized during the period 12.0 16.3 14.5 13.9 11.8 11.4 Amortization of debt issuance expenses 2.5 3.5 3.8 2.6 2.7 3.2 Portion of rental expense representative of interest 46.2 61.6 55.2 53.0 53.9 42.2 ------ ------ ------ ------ ------ ----- Total Fixed Charges 105.6 150.4 143.1 136.0 138.4 136.6 ------ ------ ------ ------ ------ ----- Earnings Income (loss) from continuing operations before income taxes (198.1) (76.0) 380.5 332.8 (73.0) 348.5 Add (deduct) the following: Share of loss (income) of associated companies ( 2.7) (14.0) (16.2) 14.2 ( 8.6) (20.5) Amortization of capitalized interest 9.6 11.7 10.2 8.8 5.4 2.2 ------ ------ ------ ------ ------ ----- Subtotal (191.2) (78.3) 374.5 355.8 (76.2) 330.2 ------ ------ ------ ------ ------ ----- Fixed charges per above 105.6 150.4 143.1 136.0 138.4 136.6 Less interest capitalized during the period (12.0) (16.3) (14.5) (13.9) (11.8) (11.4) ------ ------ ------ ------ ------ ------ Total earnings (loss) $ (97.6) $ 55.8 $503.1 $477.9 $ 50.4 $455.4 ====== ====== ====== ====== ====== ====== Ratio of earnings to fixed charges * * 3.52 3.51 * 3.33 ====== ====== ====== ====== ====== ===== * Earnings for the nine months ended September 30, 2005 and for the years ended December 31, 2004 and 2001 were inadequate to cover fixed charges by $203.2 million, $94.6 million and $88.0 million, respectively.