<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
INTERIM FINANCIAL STATEMENTS AS OF AND FOR THE THREE MONTHS ENDED SEPTEMBER 30,
1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> US DOLLARS

<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          JUN-30-2000
<PERIOD-START>                             JUL-01-1999
<PERIOD-END>                               SEP-30-1999
<EXCHANGE-RATE>                                      1
<CASH>                                         211,030
<INT-BEARING-DEPOSITS>                               0
<FED-FUNDS-SOLD>                                11,475
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    473,541
<INVESTMENTS-CARRYING>                       1,867,969
<INVESTMENTS-MARKET>                         1,822,130
<LOANS>                                      9,622,534
<ALLOWANCE>                                     80,217
<TOTAL-ASSETS>                              13,103,531
<DEPOSITS>                                   7,352,906
<SHORT-TERM>                                   959,186
<LIABILITIES-OTHER>                            199,406
<LONG-TERM>                                  3,620,042
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           592
<OTHER-SE>                                     971,399
<TOTAL-LIABILITIES-AND-EQUITY>              13,103,531
<INTEREST-LOAN>                                182,138
<INTEREST-INVEST>                               41,399
<INTEREST-OTHER>                                     0
<INTEREST-TOTAL>                               223,537
<INTEREST-DEPOSIT>                              79,751
<INTEREST-EXPENSE>                             135,930
<INTEREST-INCOME-NET>                           87,607
<LOAN-LOSSES>                                    3,300
<SECURITIES-GAINS>                                   0
<EXPENSE-OTHER>                                 65,891
<INCOME-PRETAX>                                 40,190
<INCOME-PRE-EXTRAORDINARY>                      26,214
<EXTRAORDINARY>                                      0
<CHANGES>                                      (1,776)
<NET-INCOME>                                    24,438
<EPS-BASIC>                                        .41
<EPS-DILUTED>                                      .41
<YIELD-ACTUAL>                                    2.93
<LOANS-NON>                                     70,945
<LOANS-PAST>                                         0
<LOANS-TROUBLED>                                 7,839
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                80,419
<CHARGE-OFFS>                                    4,799
<RECOVERIES>                                     1,640
<ALLOWANCE-CLOSE>                               80,217
<ALLOWANCE-DOMESTIC>                             6,160
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                         74,057


</TABLE>