<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<CASH> 4,297
<SECURITIES> 0
<RECEIVABLES> 8,996
<ALLOWANCES> (161)
<INVENTORY> 4,465
<CURRENT-ASSETS> 23,742
<PP&E> 103,008
<DEPRECIATION> (29,303)
<TOTAL-ASSETS> 102,729
<CURRENT-LIABILITIES> 13,719
<BONDS> 0
0
19,798
<COMMON> 19,032
<OTHER-SE> 18,520
<TOTAL-LIABILITY-AND-EQUITY> 102,729
<SALES> 37,418
<TOTAL-REVENUES> 37,418
<CGS> 19,017
<TOTAL-COSTS> 19,017
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,018
<INCOME-PRETAX> (3,321)
<INCOME-TAX> (1,266)
<INCOME-CONTINUING> (2,055)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (2,055)
<EPS-BASIC> (0.40)
<EPS-DILUTED> 0
</TABLE>