<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             JAN-01-1997             JAN-01-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                          95,968                  95,295                 105,962
<INT-BEARING-DEPOSITS>                               0                       0                       9
<FED-FUNDS-SOLD>                                88,426                  73,304                  84,000
<TRADING-ASSETS>                                     0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                    277,526                 271,848                 233,379
<INVESTMENTS-CARRYING>                           6,928                   6,902                   5,365
<INVESTMENTS-MARKET>                             6,909                   6,902                   5,404
<LOANS>                                        816,370                 851,147                 875,020
<ALLOWANCE>                                     15,714                  15,345                  15,160
<TOTAL-ASSETS>                               1,357,268               1,367,665               1,369,815
<DEPOSITS>                                   1,201,300               1,207,714               1,199,408
<SHORT-TERM>                                    13,830                  18,194                  23,733
<LIABILITIES-OTHER>                             11,106                  10,115                  12,147
<LONG-TERM>                                          0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                       111,152                 111,186                 111,311
<OTHER-SE>                                      19,880                  20,456                  23,216
<TOTAL-LIABILITIES-AND-EQUITY>               1,357,268               1,367,665               1,369,815
<INTEREST-LOAN>                                 19,045                  38,605                  59,700
<INTEREST-INVEST>                                4,308                   8,500                  12,343
<INTEREST-OTHER>                                   612                   1,653                   2,796
<INTEREST-TOTAL>                                23,965                  48,758                  74,839
<INTEREST-DEPOSIT>                               6,676                  13,735                  20,915
<INTEREST-EXPENSE>                               7,015                  14,330                  21,769
<INTEREST-INCOME-NET>                           16,950                  34,428                  53,070
<LOAN-LOSSES>                                      725                   1,400                   2,125
<SECURITIES-GAINS>                                 107                     337                     342
<EXPENSE-OTHER>                                 13,418                  29,986                  42,766
<INCOME-PRETAX>                                  5,407                   8,256                  15,550
<INCOME-PRE-EXTRAORDINARY>                       2,976                   3,445                   7,528
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     2,976                   3,445                   7,528
<EPS-PRIMARY>                                     0.28                    0.33                    0.72
<EPS-DILUTED>                                     0.28                    0.32                    0.70
<YIELD-ACTUAL>                                    5.95                    5.88                    5.97
<LOANS-NON>                                     17,134                  14,665                   9,468
<LOANS-PAST>                                       472                     422                   1,267
<LOANS-TROUBLED>                                     0                       0                       0
<LOANS-PROBLEM>                                 19,259                  18,530                  14,960
<ALLOWANCE-OPEN>                                15,757                  15,757                  15,757
<CHARGE-OFFS>                                      888                   2,282                   3,743
<RECOVERIES>                                       121                     470                   1,021
<ALLOWANCE-CLOSE>                               15,715                  15,345                  15,160
<ALLOWANCE-DOMESTIC>                            15,715                  15,345                  15,160
<ALLOWANCE-FOREIGN>                                  0                       0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0                       0
        

</TABLE>