1 EXHIBIT 12 TENNECO AUTOMOTIVE INC. AND CONSOLIDATED SUBSIDIARIES COMBINED WITH 50% OWNED UNCONSOLIDATED SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN MILLIONS) (UNAUDITED) THREE MONTHS ENDED MARCH 31, ------------------- 2001 2000 ---- ---- Net income (loss)........................................... $ (31) $ 1 Add: Interest expense.......................................... 47 45 Portion of rentals representative of the interest factor................................................. 3 3 Preferred stock dividend requirements of majority-owned subsidiaries........................................... -- -- Income tax benefit and other taxes on income.............. (10) (1) Amortization of interest capitalized...................... -- -- Undistributed (earnings) losses of affiliated companies in which less than a 50% voting interest is owned......... -- -- ----- ----- Earnings as defined.................................... $ 9 $ 48 ===== ===== Interest expense............................................ $ 47 $ 45 Interest capitalized........................................ 1 2 Portion of rentals representative of the interest factor.... 3 3 Preferred stock dividend requirements of majority-owned subsidiaries on a pre-tax basis........................... -- -- ----- ----- Fixed charges as defined............................... $ 51 $ 50 ===== ===== Ratio of earnings to fixed charges.......................... 0.18 0.96 ===== ===== NOTE: Earnings were inadequate to cover fixed charges by $42 million for the three months ended March 31, 2001 and by $2 million for the three months ended March 31, 2000.