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) SIX MONTHS ENDED JUNE 30, -------------------------- 2002 2001 -------- -------- Net income (loss)............................................................... $ 17 $ (29) Add: Interest expense................................................................ 72 90 Portion of rentals representative of the interest factor........................ 5 5 Income tax expense (benefit) and other taxes on income.......................... 8 (9) Minority Interest............................................................... 1 - Amortization of interest capitalized............................................ - 2 Undistributed (earnings) losses of affiliated companies in which less than a 50% voting interest is owned.............................................. 1 - ----- ----- Earnings as defined....................................................... $ 104 $ 59 ===== ===== Interest expense................................................................ $ 72 $ 90 Interest capitalized............................................................ 2 2 Portion of rentals representative of the interest factor........................ 5 5 Fixed charges as defined.................................................. $ 79 $ 97 ===== ===== Ratio of earnings to fixed charges.............................................. 1.32 0.61 ===== ===== NOTE: Earnings were inadequate to cover fixed charges by $38 million for the six months ended June 30, 2001.