<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FOR THE
QUARTERLY PERIOD ENDED JUNE 30, 2000 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-START> APR-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 42,940
<SECURITIES> 0
<RECEIVABLES> 18,358
<ALLOWANCES> 500
<INVENTORY> 11,951
<CURRENT-ASSETS> 75,995
<PP&E> 49,770
<DEPRECIATION> 25,869
<TOTAL-ASSETS> 101,513
<CURRENT-LIABILITIES> 9,900
<BONDS> 0
0
0
<COMMON> 27,488
<OTHER-SE> 63,441
<TOTAL-LIABILITY-AND-EQUITY> 101,513
<SALES> 83,935
<TOTAL-REVENUES> 83,935
<CGS> 68,616
<TOTAL-COSTS> 68,616
<OTHER-EXPENSES> 4,259
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 12,127
<INCOME-TAX> 5,043
<INCOME-CONTINUING> 7,084
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 7,084
<EPS-BASIC> .92
<EPS-DILUTED> .90
</TABLE>