<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF INCOME AND THE ACCOMPANYING TABLES
OF FORM 10-K. INFORMATION HEREIN IS QUALIFIED BY REFERENCE TO SUCH STATEMENTS
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                       2,141,964
<INT-BEARING-DEPOSITS>                         182,719
<FED-FUNDS-SOLD>                               833,450
<TRADING-ASSETS>                               179,935
<INVESTMENTS-HELD-FOR-SALE>                  3,210,099
<INVESTMENTS-CARRYING>                          46,526
<INVESTMENTS-MARKET>                            45,376
<LOANS>                                     25,912,958
<ALLOWANCE>                                    470,378
<TOTAL-ASSETS>                              33,684,776
<DEPOSITS>                                  26,256,607
<SHORT-TERM>                                 2,805,553
<LIABILITIES-OTHER>                            727,808
<LONG-TERM>                                    648,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                     1,404,155
<OTHER-SE>                                   1,583,313
<TOTAL-LIABILITIES-AND-EQUITY>              33,684,776
<INTEREST-LOAN>                              1,918,283
<INTEREST-INVEST>                              211,192
<INTEREST-OTHER>                                32,432
<INTEREST-TOTAL>                             2,161,907
<INTEREST-DEPOSIT>                             517,861
<INTEREST-EXPENSE>                             746,074
<INTEREST-INCOME-NET>                        1,415,833
<LOAN-LOSSES>                                   65,000
<SECURITIES-GAINS>                               7,941
<EXPENSE-OTHER>                              1,281,973
<INCOME-PRETAX>                                655,619
<INCOME-PRE-EXTRAORDINARY>                     655,619
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   441,731
<EPS-BASIC>                                       2.65
<EPS-DILUTED>                                     2.64
<YIELD-ACTUAL>                                    4.89
<LOANS-NON>                                    167,394
<LOANS-PAST>                                    11,933
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                               459,328
<CHARGE-OFFS>                                   81,685
<RECOVERIES>                                    27,539
<ALLOWANCE-CLOSE>                              470,378
<ALLOWANCE-DOMESTIC>                           291,300
<ALLOWANCE-FOREIGN>                             17,200
<ALLOWANCE-UNALLOCATED>                        161,878


</TABLE>