Exhibit 12.1 Computation of Historical Ratio of Earnings to Fixed Charges (dollars in thousands) Fiscal Year Ended Six Months Ended ---------------------------------------------- ------------------- June 30, June 30, 1994 1995 1996 1997 1998 1998 1999 ------------------------------------------------------------------ Net Earnings: 1,636 4,022 908 11,068 12,210 5,945 5,606 Fixed charges: Interest charges 1,017 1,007 1,813 1,772 1,142 664 319 Amortization of deferred financing costs 140 110 139 228 104 51 53 ------------------------------------------------------------------ Total fixed charges 1,157 1,117 1,952 2,000 1,246 715 372 ------------------------------------------------------------------ Earnings, as adjusted 2,793 5,139 2,860 13,068 13,456 6,660 5,978 ------------------------------------------------------------------ Ratio of earnings to fixed charges 2.4 4.6 1.6 6.5 10.8 9.3 16.1 ------------------------------------------------------------------