EXHIBIT 12
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
YEARS ENDED DECEMBER 31
2002 2001 2000 1999 1998
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FIXED CHARGES:
Interest charges $ 16,354 $20,738 $ 16,521 $ 18,020 $ 22,359
Net amortization of debt discount and
premium and issuance expense 580 364 224 371 640
Interest portion of rental charges 484 455 472 478 495
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TOTAL FIXED CHARGES $ 17,418 $21,557 $ 17,217 $ 18,869 $ 23,494
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EARNINGS:
Pre-tax earning $ 83,895 $53,431 $101,026 $ 87,225 $ 87,663
Interest charges 16,354 20,738 16,521 18,020 22,359
Net amortization of debt discount and
premium and issuance expense 580 364 224 371 640
Interest portion of rental charges 484 455 472 478 495
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TOTAL EARNINGS $101,313 $74,988 $118,243 $106,094 $111,157
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RATIO OF EARNINGS TO FIXED CHARGES 5.8 3.5 6.9 5.6 4.7