EXHIBIT 12.1 COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (In thousands, except ratios) Twelve Months Proforma Year Ended Year Ended Seven Seven Ended Year Ended Year Ended Year Ended June 30, June 30, Months Ended Months Ended January 31, January 31, January 31, January 31, 1993 1994 1994 1995 1995 1996 1997 1997 ----------------------------------------------------------------------------------------------------------------- Earnings, as defined: Net Income $ 595 $1,011 $ 641 $2,492 $2,862 $3,007 $ 8,248 $ 4,598 Income taxes 232 531 349 1,490 1,672 1,931 4,652 2,373 Fixed charges, as below 1,143 1,546 835 1,414 2,125 4,158 6,853 13,858 ----------------------------------------------------------------------------------------------------------------- Total earnings, as defined $1,970 $3,088 $1,825 $5,396 $6,659 $9,096 $19,753 $20,829 ================================================================================================================= Fixed charges, as defined: Interest expense $1,143 $1,546 $ 835 $1,414 $2,125 $4,158 $6,853 $13,858 ----------------------------------------------------------------------------------------------------------------- Total fixed charges, as defined $1,143 $1,546 $ 835 $1,414 $2,125 $4,158 $6,853 $13,858 ================================================================================================================= Ratio of earnings to fixed charges 1.72 2.00 2.19 3.82 3.13 2.19 2.88 1.50 COMPUTATION OF PROFORMA RATIOS (In thousands, except ratios) Proforma Year Ended January 31, 1997 ----------- Interest expense $ 13,858 Less amortization of deferred financing fees 410 ----------- Cash interest expense $ 13,448 =========== Income from operations 19,587 Plus depreciation and amortization 3,738 ----------- EBITDA $ 23,325 =========== Ratio of EBITDA to cash interest expense 1.73 Total debt $ 136,755 Total cash and cash equivalents 52,573 ----------- Net debt $ 84,182 =========== Ratio of net debt to EBITDA 3.61