TRIMAS EXHIBIT 12 COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (DOLLARS IN THOUSANDS) ---------- ---------- Six Months Six Months ended ended 6/30/2002 6/30/2001 ---------- ---------- EARNINGS (LOSS) BEFORE INCOME TAXES AND FIXED CHARGES: Income (loss) from continuing operations before income taxes........ 15,350 2,060 Deduct equity in undistributed earnings of less-than-fifty- percent owned companies............... - - Fixed charges.............................. 34,066 37,877 Deduct capitalized interest................ (26) (97) Depreciation of fixed charges.............. 3 1 Estimated interest factor for rentals............................... - - ---------- ---------- Earnings (loss) before income taxes and fixed charges............... $ 49,393 $ 39,841 ========== ========== FIXED CHARGES: Interest on indebtedness, net.............. 33,100 36,940 Capitalized interest....................... 26 97 Estimated interest factor for rentals............................... 940 840 ---------- ---------- Total fixed charges.............. 34,066 37,877 ---------- ---------- Total fixed charges........................ $ 34,066 $ 37,877 ========== ========== RATIO OF EARNINGS TO FIXED CHARGES................ 1.4 1.1 ========== ========== For The Years Ended December 31 --------------------------------------------------------------------------- One Month Eleven Months ended ended 2001 12/31/00 11/28/00 1999 1998 (1) 1997 ----------- ---------- ------------- -------- --------- --------- EARNINGS (LOSS) BEFORE INCOME TAXES AND FIXED CHARGES: Income (loss) from continuing operations before income taxes..... $ (9,450) $ (5,250) $ 42,190 $65,000 $ 49,910 $115,070 Deduct equity in undistributed earnings of less-than-fifty- percent owned companies............ - - - - - - Fixed charges........................... 74,934 5,140 57,545 57,820 60,950 6,910 Deduct capitalized interest............. (114) - (315) (700) - - Depreciation of fixed charges........... 6 - 141 55 - - Estimated interest factor for rentals............................ - - - - - - -------- -------- -------- ------- -------- -------- Earnings (loss) before income taxes and fixed charges............ $ 65,376 $ (110) $ 99,561 $122,175 $110,860 $121,980 ======== ======== ======== ======= ======== ======== FIXED CHARGES: Interest on indebtedness, net........... 73,130 5,000 55,390 55,380 59,350 5,420 Capitalized interest.................... 114 - 315 700 - - Estimated interest factor for rentals............................ 1,690 140 1,840 1,740 1,600 1,490 -------- -------- -------- ------- -------- -------- Total fixed charges........... 74,934 5,140 57,545 57,820 60,950 6,910 -------- -------- -------- ------- -------- -------- Total fixed charges..................... $ 74,934 $ 5,140 $ 57,545 $57,820 $ 60,950 $ 6,910 ======== ======== ======== ======= ======== ======== RATIO OF EARNINGS TO FIXED CHARGES............. 0.9(2) (0.02)(2) 1.7 2.1 1.8 17.7 ======== ======== ======== ======= ======== ======== Notes (1) Metaldyne acquired TriMas in January 1998. Finanial results for the 21 days prior to Metaldyne's acquisition have not been included because the results were determined on a different accounting basis. (2) For the period ended December 31, 2000, and year ended December 31, 2001, additional earnings of $5.3 million and $9.6 million, respectively, would have been required to make the ratio 1.0x.