<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM AUDITED
FINANCIAL STATEMENTS CONTAINED IN THE COMPANY'S ANNUAL REPORT IN FORM 10-K FOR
THE YEAR ENDED DECEMBER 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANACIAL 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>                                         247,051
<INT-BEARING-DEPOSITS>                           4,648
<FED-FUNDS-SOLD>                                 4,775
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                  1,937,517
<INVESTMENTS-CARRYING>                          74,248
<INVESTMENTS-MARKET>                            74,248
<LOANS>                                      3,690,353
<ALLOWANCE>                                     48,878
<TOTAL-ASSETS>                               6,302,235
<DEPOSITS>                                   4,909,863
<SHORT-TERM>                                   471,665
<LIABILITIES-OTHER>                            317,816
<LONG-TERM>                                     75,622
<PREFERRED-MANDATORY>                          120,000
<PREFERRED>                                          0
<COMMON>                                           510
<OTHER-SE>                                     406,759
<TOTAL-LIABILITIES-AND-EQUITY>               6,302,235
<INTEREST-LOAN>                                332,974
<INTEREST-INVEST>                              130,955
<INTEREST-OTHER>                                 1,277
<INTEREST-TOTAL>                               465,206
<INTEREST-DEPOSIT>                             151,138
<INTEREST-EXPENSE>                             185,818
<INTEREST-INCOME-NET>                          279,388
<LOAN-LOSSES>                                   20,184
<SECURITIES-GAINS>                               2,175
<EXPENSE-OTHER>                                218,227
<INCOME-PRETAX>                                113,486
<INCOME-PRE-EXTRAORDINARY>                      74,913
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    74,913
<EPS-BASIC>                                       1.50
<EPS-DILUTED>                                     1.48
<YIELD-ACTUAL>                                       0
<LOANS-NON>                                     25,764
<LOANS-PAST>                                     1,949
<LOANS-TROUBLED>                                   284
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                51,860
<CHARGE-OFFS>                                   27,850
<RECOVERIES>                                     4,414
<ALLOWANCE-CLOSE>                               48,878
<ALLOWANCE-DOMESTIC>                            26,520
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                         22,358


</TABLE>