<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000

<S>                                        <C>                     <C>                     <C>
<PERIOD-TYPE>                                     YEAR                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999             DEC-31-2000
<PERIOD-START>                             JAN-01-1999             JAN-01-1999             JAN-01-2000
<PERIOD-END>                               DEC-31-1999             MAR-31-1999             MAR-31-2000
<CASH>                                          25,215                       0                  13,896
<SECURITIES>                                    34,742                       0                   1,208
<RECEIVABLES>                                   40,290                       0                  39,836
<ALLOWANCES>                                   (2,512)                       0                 (2,933)
<INVENTORY>                                     13,810                       0                  17,698
<CURRENT-ASSETS>                               141,415                       0                 101,928
<PP&E>                                          77,455                       0                  86,286
<DEPRECIATION>                                (15,292)                       0                (21,024)
<TOTAL-ASSETS>                                 295,213                       0                 261,450
<CURRENT-LIABILITIES>                           64,440                       0                  82,095
<BONDS>                                        205,474                       0                 207,671
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                       196,937                       0                 199,533
<OTHER-SE>                                   (160,317)                       0               (204,809)
<TOTAL-LIABILITY-AND-EQUITY>                   295,213                       0                 261,450
<SALES>                                              0                  16,398                  34,214
<TOTAL-REVENUES>                                     0                  31,709                  52,847
<CGS>                                                0                  12,261                  27,493
<TOTAL-COSTS>                                        0                  20,743                  37,513
<OTHER-EXPENSES>                                     0                  31,519                  53,900
<LOSS-PROVISION>                                     0                   (148)                   2,074
<INTEREST-EXPENSE>                                   0                   6,149                   7,672
<INCOME-PRETAX>                                      0                (20,129)                (44,792)
<INCOME-TAX>                                         0                       0                       0
<INCOME-CONTINUING>                                  0                (20,129)                (44,792)
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                         0                (20,129)                (44,792)
<EPS-BASIC>                                          0                  (0.72)                  (1.56)
<EPS-DILUTED>                                        0                  (0.72)                  (1.56)


</TABLE>