EXHIBIT 12.1 SCHEDULE RE: COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (dollars in thousands) Pro Forma Twelve Twelve Nine Months Ended Months Months Fiscal Years Ended September 30, June 30, Ended Ended --------------------------------------- ----------------- June 30, June 30, 1992 1993 1994 1995 1996 1996 1997 1997 1997 ----- ----- ----- ----- ------ ------ ----- ------ ------ Income before provision for income taxes 2,952 3,794 4,532 3,685 14,440 13,329 7,179 8,290 (2,308) Interest expense, including amortization of debt issuance costs 966 676 645 1,190 762 616 948 1,094 11,692 Interest portion of rental expense 410 355 400 867 867 663 678 882 882 ---------------------------------------- --------------- ----------------- Earnings 4,328 4,825 5,577 5,742 16,069 14,608 8,805 10,266 10,266 ---------------------------------------- --------------- ----------------- ---------------------------------------- --------------- ----------------- Interest expense, including amortization of debt issuance costs 966 676 645 1,190 762 616 948 1,094 11,692 Interest portion of rental expense 410 355 400 867 867 663 678 882 882 ---------------------------------------- --------------- ----------------- Fixed Charges 1,376 1,031 1,045 2,057 1,629 1,279 1,626 1,976 12,574 ---------------------------------------- --------------- ----------------- ---------------------------------------- --------------- ----------------- Ratio of Earnings to Fixed Charges 3.15 4.68 5.34 2.79 9.86 11.42 5.42 5.20 0.82