1 EXHIBIT 12.1 ADVANCED ACCESSORY SYSTEMS, LLC STATEMENT REGARDING COMPUTATION OF RATIOS -- FIXED CHARGE COVERAGE RATIO FOR THE YEARS ENDED DECEMBER 31, 1999, 1998 AND 1997 (DOLLAR AMOUNTS IN THOUSANDS) DECEMBER 31, ----------------------------- 1999 1998 1997 ---- ---- ---- Pre-tax income (loss) from continuing operations............ $ 5,395 $ 813 $ 712 Minority interest in the income of subsidiary with fixed charges................................................... -- -- 97 ------- ------- ------- 5,395 813 809 ------- ------- ------- Fixed Charges: Interest expense and amortization of debt discount and premium on all indebtedness............................ 17,453 18,633 12,627 Rentals(1).................................................. 1,390 1,317 751 ------- ------- ------- Total fixed charges......................................... 18,843 19,950 13,378 ------- ------- ------- Earnings before income taxes, minority interest and fixed charges................................................... $24,238 $20,763 $14,187 ======= ======= ======= Ratio of earnings to fixed charges.......................... 1.29x 1.04x 1.06x ======= ======= ======= - ------------------------- (1) Amount included in fixed charges for rentals is considered by management to be a reasonable approximation of the interest factor.