<TABLE> <S> <C>
<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THIS 8-K FOR THE PERIODS ENDED DECEMBER 31, 1999, DECEMBER 31, 1998
AND SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL INFORMATION.
</LEGEND>
<MULTIPLIER> 1,000,000
<S> <C> <C> <C>
<PERIOD-TYPE> YEAR YEAR 9-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-1998 DEC-31-2000
<PERIOD-END> DEC-31-1999 DEC-31-1998 SEP-30-2000
<CASH> 14,118 13,652 14,986
<INT-BEARING-DEPOSITS> 0 0 0
<FED-FUNDS-SOLD> 1,722 1,747 3,113
<TRADING-ASSETS> 2,690 1,089 2,390
<INVESTMENTS-HELD-FOR-SALE> 43,911 36,660 37,307
<INVESTMENTS-CARRYING> 0 0 0
<INVESTMENTS-MARKET> 0 0 0
<LOANS> 133,004 119,662 154,305
<ALLOWANCE> 3,344 3,307 3,665
<TOTAL-ASSETS> 241,053 224,135 261,322
<DEPOSITS> 145,918 149,446 164,273
<SHORT-TERM> 31,727 19,670 24,669
<LIABILITIES-OTHER> 11,736 9,090 13,162
<LONG-TERM> 27,801 23,597 32,405
0 0 0
271 463 265
<COMMON> 2,894 2,882 2,895
<OTHER-SE> 20,706 18,987 23,654
<TOTAL-LIABILITIES-AND-EQUITY> 241,053 224,135 261,323
<INTEREST-LOAN> 11,823 11,660 10,544
<INTEREST-INVEST> 2,533 2,133 2,046
<INTEREST-OTHER> 1,578 1,662 1,201
<INTEREST-TOTAL> 15,934 15,455 13,791
<INTEREST-DEPOSIT> 3,166 3,515 2,955
<INTEREST-EXPENSE> 5,818 5,782 5,720
<INTEREST-INCOME-NET> 10,116 9,673 8,071
<LOAN-LOSSES> 1,104 1,617 976
<SECURITIES-GAINS> (228) 177 (981)
<EXPENSE-OTHER> 10,637 11,311 8,613
<INCOME-PRETAX> 6,350 3,665 4,714
<INCOME-PRE-EXTRAORDINARY> 4,012 2,191 2,898
<EXTRAORDINARY> 0 0 0
<CHANGES> 0 0 0
<NET-INCOME> 4,012 2,191 2,898
<EPS-BASIC> 2.32 1.28 1.70
<EPS-DILUTED> 2.29 1.26 1.68
<YIELD-ACTUAL> 5.47 5.63 5.36
<LOANS-NON> 724 755 963
<LOANS-PAST> 433 480 547
<LOANS-TROUBLED> 4 1 2
<LOANS-PROBLEM> 0 0 0
<ALLOWANCE-OPEN> 3,307 3,220 3,344
<CHARGE-OFFS> 1,588 2,139 1,198
<RECOVERIES> 473 461 331
<ALLOWANCE-CLOSE> 3,334 3,307 3,665
<ALLOWANCE-DOMESTIC> 0 0 0
<ALLOWANCE-FOREIGN> 0 0 0
<ALLOWANCE-UNALLOCATED> 0 0 0
</TABLE>