Exhibit 12 UNISYS CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (UNAUDITED) ($ in millions) Six Months Ended Years Ended December 31 June 30, ----------------------------------- 2007 2006 2005 2004 2003 2002 -------- ---- ---- ---- ---- ---- Fixed charges Interest expense $ 37.6 $ 77.2 $ 64.7 $ 69.0 $ 69.6 $ 66.5 Interest capitalized during the period 3.8 9.9 15.0 16.3 14.5 13.9 Amortization of debt issuance expenses 1.9 3.8 3.4 3.5 3.8 2.6 Portion of rental expense representative of interest 28.4 56.7 60.9 61.6 55.2 53.0 ------ ------ ------ ------ ------ ----- Total Fixed Charges 71.7 147.6 144.0 150.4 143.1 136.0 ------ ------ ------ ------ ------ ----- Earnings Income (loss) from continuing operations before income taxes (47.9) (250.9)(170.9) (76.0) 380.5 332.8 Add (deduct) the following: Share of loss (income) of associated companies - 4.5 (7.2) (14.0) (16.2) 14.2 Amortization of capitalized interest 7.1 13.7 12.9 11.7 10.2 8.8 ------ ------ ------ ------ ------ ----- Subtotal (40.8) (232.7)(165.2) (78.3) 374.5 355.8 ------ ------ ------ ------ ------ ----- Fixed charges per above 71.7 147.6 144.0 150.4 143.1 136.0 Less interest capitalized during the period (3.8) (9.9) (15.0) (16.3) (14.5) (13.9) ----- ------ ------ ------ ------ ------ Total earnings (loss) $27.1 $(95.0)$(36.2)$ 55.8 $503.1 $477.9 ===== ====== ====== ====== ====== ====== Ratio of earnings to fixed charges * * * * 3.52 3.51 ===== ====== ====== ====== ====== ===== * Earnings for the six months and years ended June 30, 2007, December 31, 2006, 2005 and 2004 were inadequate to cover fixed charges by $44.6 million, $242.6 million, $180.2 million and $94.6 million, respectively.