<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.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                       2,135,380
<INT-BEARING-DEPOSITS>                         209,568
<FED-FUNDS-SOLD>                               333,530
<TRADING-ASSETS>                               267,718
<INVESTMENTS-HELD-FOR-SALE>                  3,638,532
<INVESTMENTS-CARRYING>                         160,513
<INVESTMENTS-MARKET>                           163,244
<LOANS>                                     24,296,111
<ALLOWANCE>                                    459,328
<TOTAL-ASSETS>                              32,276,316
<DEPOSITS>                                  24,507,879
<SHORT-TERM>                                 3,083,654
<LIABILITIES-OTHER>                            839,059
<LONG-TERM>                                    298,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                     1,725,619
<OTHER-SE>                                   1,332,625
<TOTAL-LIABILITIES-AND-EQUITY>              32,276,316
<INTEREST-LOAN>                              1,826,096
<INTEREST-INVEST>                              200,337
<INTEREST-OTHER>                                58,746
<INTEREST-TOTAL>                             2,085,179
<INTEREST-DEPOSIT>                             555,128
<INTEREST-EXPENSE>                             766,956
<INTEREST-INCOME-NET>                        1,318,223
<LOAN-LOSSES>                                   45,000
<SECURITIES-GAINS>                               5,686
<EXPENSE-OTHER>                              1,135,218
<INCOME-PRETAX>                                671,536
<INCOME-PRE-EXTRAORDINARY>                     671,536
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   466,461
<EPS-PRIMARY>                                     2.66
<EPS-DILUTED>                                     2.65
<YIELD-ACTUAL>                                    4.81
<LOANS-NON>                                     78,450
<LOANS-PAST>                                    31,498
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                               451,692
<CHARGE-OFFS>                                   76,790
<RECOVERIES>                                    41,144
<ALLOWANCE-CLOSE>                              459,328
<ALLOWANCE-DOMESTIC>                           197,700
<ALLOWANCE-FOREIGN>                             47,000
<ALLOWANCE-UNALLOCATED>                        214,628
        

</TABLE>