<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 10,811
<SECURITIES> 0
<RECEIVABLES> 9,930
<ALLOWANCES> 680
<INVENTORY> 24,439
<CURRENT-ASSETS> 49,457
<PP&E> 270,666
<DEPRECIATION> 72,551
<TOTAL-ASSETS> 268,956
<CURRENT-LIABILITIES> 61,859
<BONDS> 0
0
0
<COMMON> 0
<OTHER-SE> 19,817
<TOTAL-LIABILITY-AND-EQUITY> 268,956
<SALES> 0
<TOTAL-REVENUES> 455,630
<CGS> 370,943
<TOTAL-COSTS> 424,491
<OTHER-EXPENSES> 8,991
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 9,786
<INCOME-PRETAX> 4,509
<INCOME-TAX> 0
<INCOME-CONTINUING> 4,509
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 4,509
<EPS-BASIC> 0
<EPS-DILUTED> 0
</TABLE>