<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENTS OF OPERATIONS OF THE
COMPANY'S JUNE 30, 2000 FORM 10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<CASH> 1,518
<SECURITIES> 0
<RECEIVABLES> 16,421
<ALLOWANCES> 0
<INVENTORY> 6,761
<CURRENT-ASSETS> 29,170
<PP&E> 118,583
<DEPRECIATION> 24,950
<TOTAL-ASSETS> 123,727
<CURRENT-LIABILITIES> 21,438
<BONDS> 36,000
0
0
<COMMON> 85
<OTHER-SE> 56,944
<TOTAL-LIABILITY-AND-EQUITY> 123,727
<SALES> 84,453
<TOTAL-REVENUES> 84,453
<CGS> 62,428
<TOTAL-COSTS> 62,428
<OTHER-EXPENSES> 14,648
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,402
<INCOME-PRETAX> 7,121
<INCOME-TAX> 2,759
<INCOME-CONTINUING> 4,362
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 4,362
<EPS-BASIC> 0.52
<EPS-DILUTED> 0.51
</TABLE>