EXHIBIT 12.1 CHANDLER (U.S.A.), INC. AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES THREE MONTHS ENDED YEAR ENDED DECEMBER 31, MARCH 31, --------------------------------------------------------------------------------- 1994 1995 1996 1997 1998 1998 1999 -------- -------- -------- -------- -------- -------- -------- (in thousands except for ratio) COMPUTATION OF EARNINGS: Income (loss) before income taxes $ (1,624) $ (1,546) $ (2,097) $ 5,286 $ 786 $ 78 $ 1,038 Fixed charges, net 321 371 554 808 1,070 $ 203 $ 298 -------- -------- -------- -------- -------- -------- -------- Total earnings $ (1,303) $ (1,175) $ (1,543) $ 6,094 $ 1,856 $ 281 $ 1,336 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- COMPUTATION OF FIXED CHARGES: Interest Expense $ 2 $ 52 $ 146 $ 442 $ 887 $ 125 $ 216 Amortization of debt issuance expense -- -- 45 3 17 4 4 Interest factor in rental expense 319 319 363 363 166 74 78 -------- -------- -------- -------- -------- -------- -------- Total fixed charges $ 321 $ 371 $ 554 $ 808 $ 1,070 $ 203 $ 298 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- RATIO OF EARNINGS TO FIXED CHARGES (4.06) (3.17) (2.79) 7.54 1.73 1.38 4.49 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- PROFORMA RATIO FOR DEBT REFINANCING: Increase in interest expense relating to proposed issuance of new debt $ 1,838 $ 469 Decrease in interest expense on debt presently outstanding that will be retired with the proceeds of proposed offering (799) (195) -------- -------- Total adjustment to fixed charges $ 1,039 $ 274 -------- -------- -------- -------- Adjusted earnings $ 1,856 $ 1,336 Adjusted fixed charges $ 2,109 $ 572 Proforma ratio 0.88 2.34 Historical ratio 1.73 4.49