<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 QUARTER ENDED JUNE 30, 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>                               JUN-30-1997
<CASH>                                         124,364
<INT-BEARING-DEPOSITS>                          14,898
<FED-FUNDS-SOLD>                                   705
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    481,500
<INVESTMENTS-CARRYING>                         229,857
<INVESTMENTS-MARKET>                           230,204
<LOANS>                                      2,175,593
<ALLOWANCE>                                     30,137
<TOTAL-ASSETS>                               3,164,899
<DEPOSITS>                                   2,470,691
<SHORT-TERM>                                   189,151
<LIABILITIES-OTHER>                            105,106
<LONG-TERM>                                     78,566
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           187
<OTHER-SE>                                     261,198
<TOTAL-LIABILITIES-AND-EQUITY>               3,164,899
<INTEREST-LOAN>                                 53,124
<INTEREST-INVEST>                               11,330
<INTEREST-OTHER>                                   324
<INTEREST-TOTAL>                                64,778
<INTEREST-DEPOSIT>                              21,369
<INTEREST-EXPENSE>                              25,972
<INTEREST-INCOME-NET>                           38,806
<LOAN-LOSSES>                                    3,271
<SECURITIES-GAINS>                                  64
<EXPENSE-OTHER>                                 30,656
<INCOME-PRETAX>                                 16,664
<INCOME-PRE-EXTRAORDINARY>                      11,135
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    11,135
<EPS-PRIMARY>                                      .59
<EPS-DILUTED>                                      .59
<YIELD-ACTUAL>                                       0
<LOANS-NON>                                     14,642
<LOANS-PAST>                                     2,077
<LOANS-TROUBLED>                                   195
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                26,215
<CHARGE-OFFS>                                    3,486
<RECOVERIES>                                     1,266
<ALLOWANCE-CLOSE>                               30,137
<ALLOWANCE-DOMESTIC>                                 0
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0
        

</TABLE>