<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED CONDENSED STATEMENT OF FINANCIAL CONDITION AND THE CONSOLIDATED
CONDENSED STATEMENT OF INCOME AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                       4,127,153
<INT-BEARING-DEPOSITS>                       8,541,525
<FED-FUNDS-SOLD>                                     0
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                 49,692,857
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                    286,759,101
<ALLOWANCE>                                  2,776,539
<TOTAL-ASSETS>                             367,432,645
<DEPOSITS>                                 271,030,791
<SHORT-TERM>                                27,000,000
<LIABILITIES-OTHER>                          2,559,641
<LONG-TERM>                                 28,715,289
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        40,111
<OTHER-SE>                                  38,086,813
<TOTAL-LIABILITIES-AND-EQUITY>             367,432,645
<INTEREST-LOAN>                             21,215,828
<INTEREST-INVEST>                            3,340,439
<INTEREST-OTHER>                                     0
<INTEREST-TOTAL>                            24,556,267
<INTEREST-DEPOSIT>                          11,113,533
<INTEREST-EXPENSE>                          13,603,841
<INTEREST-INCOME-NET>                       10,952,426
<LOAN-LOSSES>                                  120,000
<SECURITIES-GAINS>                              61,564
<EXPENSE-OTHER>                              8,454,411
<INCOME-PRETAX>                              6,441,061
<INCOME-PRE-EXTRAORDINARY>                   6,441,061
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 4,200,175
<EPS-BASIC>                                       1.64
<EPS-DILUTED>                                     1.60
<YIELD-ACTUAL>                                    7.51
<LOANS-NON>                                    213,394
<LOANS-PAST>                                         0
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                             2,676,438
<CHARGE-OFFS>                                   28,032
<RECOVERIES>                                     8,133
<ALLOWANCE-CLOSE>                            2,776,539
<ALLOWANCE-DOMESTIC>                         2,776,539
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0


</TABLE>