<TABLE> <S> <C>
<PAGE>
<ARTICLE> 9
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 9-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-1999
<PERIOD-START> JAN-01-2000 JAN-01-1999
<PERIOD-END> SEP-30-2000 SEP-30-1999
<CASH> 207,840 391,468
<INT-BEARING-DEPOSITS> 36,342 142,699
<FED-FUNDS-SOLD> 34,550 76,037
<TRADING-ASSETS> 37,660 18,723
<INVESTMENTS-HELD-FOR-SALE> 2,406,954 2,157,459
<INVESTMENTS-CARRYING> 1,954,143 1,784,818
<INVESTMENTS-MARKET> 1,863,902 1,713,466
<LOANS> 10,903,330 9,577,040
<ALLOWANCE> 62,064 135,248
<TOTAL-ASSETS> 16,466,169 14,565,916
<DEPOSITS> 11,730,500 11,014,051
<SHORT-TERM> 2,279,652 720,576
<LIABILITIES-OTHER> 324,001 239,245
<LONG-TERM> 820,748 1,257,660
1,272,211 1,269,745
0 0
<COMMON> 0 0
<OTHER-SE> 0 0
<TOTAL-LIABILITIES-AND-EQUITY> 16,466,169 14,565,916
<INTEREST-LOAN> 688,548 583,628
<INTEREST-INVEST> 214,467 189,410
<INTEREST-OTHER> 9,830 12,671
<INTEREST-TOTAL> 912,845 785,709
<INTEREST-DEPOSIT> 359,018 289,285
<INTEREST-EXPENSE> 122,442 72,065
<INTEREST-INCOME-NET> 431,385 424,359
<LOAN-LOSSES> 15,576 21,682
<SECURITIES-GAINS> 1,391 (1,712)
<EXPENSE-OTHER> 408,994 300,276
<INCOME-PRETAX> 196,624 296,361
<INCOME-PRE-EXTRAORDINARY> 196,624 296,361
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 121,469 195,420
<EPS-BASIC> .59 .95
<EPS-DILUTED> .59 .94
<YIELD-ACTUAL> 4.07 4.39
<LOANS-NON> 26,432 22,165
<LOANS-PAST> 7,949 6,989
<LOANS-TROUBLED> 0 0
<LOANS-PROBLEM> 0 0
<ALLOWANCE-OPEN> 139,821 129,063
<CHARGE-OFFS> 17,138 19,013
<RECOVERIES> 5,251 5,483
<ALLOWANCE-CLOSE> 143,510 135,248
<ALLOWANCE-DOMESTIC> 143,510 135,248
<ALLOWANCE-FOREIGN> 0 0
<ALLOWANCE-UNALLOCATED> 0 0
</TABLE>