<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
<S> <C> <C> <C> <C>
<PERIOD-TYPE> YEAR YEAR YEAR 3-MOS
<FISCAL-YEAR-END> DEC-31-1997 DEC-31-1998 DEC-31-1999 MAR-31-2000
<PERIOD-START> JAN-01-1997 JAN-01-1998 JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1997 DEC-31-1998 DEC-31-1999 MAR-31-2000
<EXCHANGE-RATE> 1 1 1 1
<CASH> 16,263 13,480 18,768 13,653
<SECURITIES> 20,566 13,285 684,156 222,209
<RECEIVABLES> 47,228 115,482 124,594 132,652
<ALLOWANCES> 2,578 1,545 2,055 2,779
<INVENTORY> 11,010 15,468 27,879 24,725
<CURRENT-ASSETS> 55,744 73,808 99,192 97,071
<PP&E> 84,353 103,065 166,657 180,615
<DEPRECIATION> 24,978 37,550 52,885 58,312
<TOTAL-ASSETS> 925,854 1,130,387 1,895,280 1,449,501
<CURRENT-LIABILITIES> 47,253 70,794 160,016 238,385
<BONDS> 88,632 94,092 152,303 152,303
0 0 0 0
0 0 0 0
<COMMON> 0 0 0 0
<OTHER-SE> 676,284 844,174 1,244,514 976,179
<TOTAL-LIABILITY-AND-EQUITY> 925,854 1,130,387 1,895,280 1,449,501
<SALES> 94,371 128,950 228,398 40,852
<TOTAL-REVENUES> 160,903 226,347 382,898 86,530
<CGS> 84,523 112,140 206,982 36,910
<TOTAL-COSTS> 172,678 222,703 375,969 83,393
<OTHER-EXPENSES> (65,777) (38,864) 20,236 7,338
<LOSS-PROVISION> (447) (1,033) 510 724
<INTEREST-EXPENSE> 6,618 14,611 12,541 4,463
<INCOME-PRETAX> 47,832 28,930 (26,358) (9,388)
<INCOME-TAX> 7,674 (1,001) 16,618 (1,678)
<INCOME-CONTINUING> 40,157 29,931 (42,976) (7,711)
<DISCONTINUED> 0 0 0 0
<EXTRAORDINARY> 0 0 0 0
<CHANGES> 0 0 0 0
<NET-INCOME> 40,157 29,931 (42,976) (7,711)
<EPS-BASIC> 0 0 0 0
<EPS-DILUTED> 0 0 0 0
</TABLE>