<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
FINANCIAL STATEMENTS CONTAINED IN THE COMPANY'S QUARTERLY REPORT IN FORM 10-Q
FOR THE QUARTER ENDED MARCH 31, 1997, AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                         123,430
<INT-BEARING-DEPOSITS>                           9,953
<FED-FUNDS-SOLD>                                   100
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    508,837
<INVESTMENTS-CARRYING>                         223,768
<INVESTMENTS-MARKET>                           222,665
<LOANS>                                      2,081,912
<ALLOWANCE>                                     27,580
<TOTAL-ASSETS>                               3,095,065
<DEPOSITS>                                   2,493,500
<SHORT-TERM>                                   155,332
<LIABILITIES-OTHER>                            118,831
<LONG-TERM>                                     18,644
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           187
<OTHER-SE>                                     248,552
<TOTAL-LIABILITIES-AND-EQUITY>               2,341,228
<INTEREST-LOAN>                                 50,615
<INTEREST-INVEST>                               11,465
<INTEREST-OTHER>                                    45
<INTEREST-TOTAL>                                62,125
<INTEREST-DEPOSIT>                              21,166
<INTEREST-EXPENSE>                              25,117
<INTEREST-INCOME-NET>                           37,008
<LOAN-LOSSES>                                    1,761
<SECURITIES-GAINS>                                   0
<EXPENSE-OTHER>                                 27,060
<INCOME-PRETAX>                                 16,370
<INCOME-PRE-EXTRAORDINARY>                      10,797
<EXTRAORDINARY>                                  (265)
<CHANGES>                                            0
<NET-INCOME>                                    10,532
<EPS-PRIMARY>                                      .59
<EPS-DILUTED>                                      .56
<YIELD-ACTUAL>                                       0
<LOANS-NON>                                     14,886
<LOANS-PAST>                                     2,028
<LOANS-TROUBLED>                                   251
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                26,215
<CHARGE-OFFS>                                    1,786
<RECOVERIES>                                       607
<ALLOWANCE-CLOSE>                               27,580
<ALLOWANCE-DOMESTIC>                                 0
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0
        

</TABLE>