COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(Amount in thousands of dollars)
EXHIBIT 12.2
<Table>
<Caption>
PREDECESSOR SUCCESSOR
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FOR THE PERIOD
FOR THE PERIOD FROM INCEPTION
JANUARY 1, (SEPTEMBER 14,
FOR THE 2001 TO 2001) THROUGH
YEAR ENDED DECEMBER 6, DECEMBER 31, PROFORMA
1997 1998 1999 2000 2001 2001 2001
------ ------------ ------- ------- --------------------- ---------------- --------
Pre-tax income (loss) from
continuing operations... (7,571) (21,269) (16,248) (10,535) 25,359 (1,271) (1,771)
Fixed Charges
Interest expense........ 20,987 28,695 28,200 26,102 40 1,211 19,028
Amortization of debt
issuance costs........ -- -- -- -- -- 84 1,189
Amortization of debt
discount.............. -- -- -- -- -- 85 1,271
Interest component of
rental payments....... 663 513 728 577 388 121 1,285
Total fixed charges....... 21,650 29,208 28,928 26,679 428 1,501 22,773
Pre-tax income plus fixed
charges................. 14,079 7,939 12,680 16,144 25,787 230 21,002
Ratio of earnings to fixed
charges................. (A) (B) (C) (D) 60.3 (E) (F)
<Caption>
PREDECESSOR SUCCESSOR
------------ ----------
APRIL 1, MARCH
2001 31, 2002
------------ ----------
Pre-tax income (loss) from
continuing operations... 8,710 994
Fixed Charges
Interest expense........ 17 4,516
Amortization of debt
issuance costs........ -- 307
Amortization of debt
discount.............. -- 319
Interest component of
rental payments....... 106 364
Total fixed charges....... 123 5,506
Pre-tax income plus fixed
charges................. 8,833 6,500
Ratio of earnings to fixed
charges................. 71.9 1.2
</Table>
(A) For the year ended December 31, 1997, earnings are inadequate to cover fixed
charges by $7,571.
(B) For the year ended December 31, 1998, earnings are inadequate to cover
fixed charges by $21,269.
(C) For the year ended December 31, 1999, earnings are inadequate to cover fixed
charges by $16,248.
(D) For the year ended December 31, 2000, earnings are inadequate to cover fixed
charges by $10,535.
(E) For the period from inception (September 14, 2001) through December 31,
2001, earnings are inadequate to cover fixed charges by $1,271.
(F) For the year ended December 31, 2001, earnings are inadequate to cover
fixed charges by $1,771.