EXHIBIT 12 TEREX CORPORATION CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES (amounts in millions) Three Months Ended Six Months Ended June 30, June 30, ----------------------- ----------------------- 2004 2003 2004 2003 Restated Restated Restated Restated ---------- ---------- ---------- ---------- Earnings: Income (loss) before income taxes ..................... $ 70.9 $ (59.0) $ 94.9 $ (45.3) Adjustments: Minority interest in losses of consolidated Subsidiaries .................................. -- -- -- -- Undistributed (income) loss of less than 50% owned investments ......................... -- -- -- -- Distributions from less than 50% owned Investments ................................... -- -- -- -- Fixed charges .................................. 29.3 32.8 58.1 64.2 ---------- ---------- ---------- ---------- Earnings .......................................... 100.2 (26.2) 153.0 18.9 ---------- ---------- ---------- ---------- Fixed charges, including preferred accretion: Interest expense, including debt discount Amortization ..................................... 23.4 26.6 45.9 52.5 Accretion of redeemable convertible preferred Stock ............................................ -- -- -- -- Amortization of debt issuance costs ............... 1.3 1.4 2.7 2.7 Portion of rental expense representative of interest factor (assumed to be 33%) .............. 4.6 4.8 9.5 9.0 ---------- ---------- ---------- ---------- Fixed charges ..................................... $ 29.3 $ 32.8 $ 58.1 64.2 ---------- ---------- ---------- ---------- Ratio of earnings to fixed charges ................ 3.4x --(1) 2.6x --(1) ========== ========== ========== ========== Amount of earnings deficiency for coverage of fixed charges .................................... $ -- $ 59.0 $ -- 45.3 ========== ========== ========== ========== (1) Less than 1.0x