<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C> <C> <C> <C>
<PERIOD-TYPE> YEAR 3-MOS 3-MOS 6-MOS 6-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-1999 DEC-31-2000 DEC-31-1999 DEC-31-2000
<PERIOD-START> JAN-01-1999 APR-01-1999 APR-01-2000 JAN-01-1999 JAN-01-2000
<PERIOD-END> DEC-31-1999 JUN-30-1999 JUN-30-2000 JUN-30-1999 JUN-30-2000
<CASH> 25,215 0 0 0 111,679
<SECURITIES> 34,742 0 0 0 693
<RECEIVABLES> 42,434 0 0 0 37,774
<ALLOWANCES> (2,512) 0 0 0 (2,132)
<INVENTORY> 13,810 0 0 0 20,808
<CURRENT-ASSETS> 141,415 0 0 0 205,904
<PP&E> 77,455 0 0 0 103,170
<DEPRECIATION> (15,292) 0 0 0 (27,874)
<TOTAL-ASSETS> 295,474 0 0 0 353,355
<CURRENT-LIABILITIES> 66,584 0 0 0 82,095
<BONDS> 205,213 0 0 0 204,815
0 0 0 0 154,516
0 0 0 0 0
<COMMON> 196,937 0 0 0 200,010
<OTHER-SE> (160,317) 0 0 0 (273,503)
<TOTAL-LIABILITY-AND-EQUITY> 295,213 0 0 0 353,355
<SALES> 0 19,459 34,028 34,776 66,045
<TOTAL-REVENUES> 0 38,053 53,264 64,873 106,111
<CGS> 0 14,273 28,787 25,547 54,461
<TOTAL-COSTS> 0 28,439 50,222 53,739 96,104
<OTHER-EXPENSES> 0 26,793 75,665 31,519 121,196
<LOSS-PROVISION> 0 (148) 1,082 754 3,156
<INTEREST-EXPENSE> 0 6,149 7,225 12,086 14,896
<INCOME-PRETAX> 0 (22,960) (78,127) (43,089) (122,919)
<INCOME-TAX> 0 0 0 0 0
<INCOME-CONTINUING> 0 (22,960) (78,127) (43,089) (122,919)
<DISCONTINUED> 0 0 0 0 0
<EXTRAORDINARY> 0 0 0 0 0
<CHANGES> 0 0 0 0 0
<NET-INCOME> 0 (22,960) (78,127) (43,089) (122,919)
<EPS-BASIC> 0 (1.61) (2.79) (3.06) (4.35)
<EPS-DILUTED> 0 (1.61) (2.79) (3.06) (4.35)
</TABLE>