<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONDENSED BALANCE SHEET AS OF SEPTEMBER 30, 2000 (UNAUDITED) AND
CONDENSED STATEMENTS OF OPERATIONS FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2000
(UNAUDITED) AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 59,030
<SECURITIES> 61,655
<RECEIVABLES> 6,942
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 128,772
<PP&E> 53,345
<DEPRECIATION> (30,023)
<TOTAL-ASSETS> 176,575
<CURRENT-LIABILITIES> 14,280
<BONDS> 96,330
0
24,938
<COMMON> 38
<OTHER-SE> 40,989
<TOTAL-LIABILITY-AND-EQUITY> 176,575
<SALES> 0
<TOTAL-REVENUES> 29,319
<CGS> 0
<TOTAL-COSTS> 50,492
<OTHER-EXPENSES> 12,646
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 4,464
<INCOME-PRETAX> (38,936)
<INCOME-TAX> 0
<INCOME-CONTINUING> (38,936)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (38,936)
<EPS-BASIC> (1.08)
<EPS-DILUTED> 36,172
</TABLE>