<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
<PREFERRED-MANDATORY>                        1,272,211               1,269,745
<PREFERRED>                                          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>