<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEET AND THE CONDENSED CONSOLIDATED STATEMENT OF
OPERATIONS INCLUDED IN THE COMPANY'S FORM 10-Q FOR THE PERIOD ENDED SEPTEMBER
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> MAR-31-2001
<PERIOD-START> APR-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 350,793
<SECURITIES> 58,235
<RECEIVABLES> 389,455
<ALLOWANCES> 25,531
<INVENTORY> 0
<CURRENT-ASSETS> 831,146
<PP&E> 107,010
<DEPRECIATION> 18,706
<TOTAL-ASSETS> 10,823,423
<CURRENT-LIABILITIES> 520,467
<BONDS> 661,969
0
0
<COMMON> 4,128
<OTHER-SE> 8,137,692
<TOTAL-LIABILITY-AND-EQUITY> 10,823,423
<SALES> 0
<TOTAL-REVENUES> 373,051
<CGS> 0
<TOTAL-COSTS> 459,775
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 11,790
<INCOME-PRETAX> (91,330)
<INCOME-TAX> (4,446)
<INCOME-CONTINUING> (86,884)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (86,884)
<EPS-BASIC> (0.29)
<EPS-DILUTED> (0.29)
</TABLE>