<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE FINANCIAL STATEMENTS AS OF AND FOR THE SIX MONTH PERIOD ENDED
JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<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> 143,136
<SECURITIES> 0
<RECEIVABLES> 55,303
<ALLOWANCES> 2,619
<INVENTORY> 0
<CURRENT-ASSETS> 197,571
<PP&E> 69,332
<DEPRECIATION> 26,598
<TOTAL-ASSETS> 1,169,646
<CURRENT-LIABILITIES> 17,545
<BONDS> 1,429
0
0
<COMMON> 109
<OTHER-SE> 1,043,971
<TOTAL-LIABILITY-AND-EQUITY> 1,169,646
<SALES> 0
<TOTAL-REVENUES> 111,309
<CGS> 0
<TOTAL-COSTS> 84,034
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 1,556
<INTEREST-EXPENSE> 420
<INCOME-PRETAX> 29,526
<INCOME-TAX> 12,253
<INCOME-CONTINUING> 17,273
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 17,273
<EPS-BASIC> 0.16
<EPS-DILUTED> 0.16
</TABLE>