<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<RESTATED> 
       
<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-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                          13,432                  18,121                  14,325
<INT-BEARING-DEPOSITS>                               0                       0                       0
<FED-FUNDS-SOLD>                                25,700                  21,300                  39,100
<TRADING-ASSETS>                                     0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                    134,366                 132,302                 111,408
<INVESTMENTS-CARRYING>                          85,347                  87,323                 115,425
<INVESTMENTS-MARKET>                            84,046                  86,966                 115,564
<LOANS>                                        593,598                 596,763                 583,338
<ALLOWANCE>                                      9,421                   9,833                   9,603
<TOTAL-ASSETS>                                 877,667                 878,823                 884,617
<DEPOSITS>                                     794,890                 797,897                 800,664
<SHORT-TERM>                                         0                       0                       0
<LIABILITIES-OTHER>                              9,452                   5,784                   6,710
<LONG-TERM>                                          0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                         4,428                   4,428                   4,428
<OTHER-SE>                                      68,897                  70,714                  72,815
<TOTAL-LIABILITIES-AND-EQUITY>                 877,667                 878,823                 884,617
<INTEREST-LOAN>                                 13,138                  26,454                  39,676
<INTEREST-INVEST>                                3,448                   7,140                  10,725
<INTEREST-OTHER>                                   393                     651                   1,114
<INTEREST-TOTAL>                                16,979                  34,245                  51,515
<INTEREST-DEPOSIT>                               8,567                  17,172                  25,939
<INTEREST-EXPENSE>                               8,567                  17,172                  25,939
<INTEREST-INCOME-NET>                            8,412                  17,073                  25,576
<LOAN-LOSSES>                                      600                   1,100                   1,600
<SECURITIES-GAINS>                                   0                      15                      15
<EXPENSE-OTHER>                                  5,265                  10,651                  15,928
<INCOME-PRETAX>                                  3,467                   7,154                  10,782
<INCOME-PRE-EXTRAORDINARY>                       3,467                   7,154                  10,782
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     2,103                   4,315                   6,510
<EPS-PRIMARY>                                     0.55                    1.13                    1.70
<EPS-DILUTED>                                     0.54                    1.11                    1.66
<YIELD-ACTUAL>                                    4.03                    4.08                    4.07
<LOANS-NON>                                      5,285                   5,454                   7,652
<LOANS-PAST>                                       198                      73                     136
<LOANS-TROUBLED>                                   568                     564                       0
<LOANS-PROBLEM>                                  2,161                   1,810                     904
<ALLOWANCE-OPEN>                                 9,231                   9,231                   9,231
<CHARGE-OFFS>                                      429                     865                   1,703
<RECOVERIES>                                        19                     367                     475
<ALLOWANCE-CLOSE>                                9,421                   9,833                   9,603
<ALLOWANCE-DOMESTIC>                             9,421                   9,833                   9,603
<ALLOWANCE-FOREIGN>                                  0                       0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0                       0
        

</TABLE>