<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>                                           1,017                   1,129                   1,384
<INT-BEARING-DEPOSITS>                           6,002                   6,199                   5,525
<FED-FUNDS-SOLD>                                     0                       0                       0
<TRADING-ASSETS>                                     0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                     15,349                  17,022                  15,334
<INVESTMENTS-CARRYING>                         168,660                 164,808                 158,931
<INVESTMENTS-MARKET>                           168,201                 165,778                 160,894
<LOANS>                                        143,623                 156,354                 165,049
<ALLOWANCE>                                      1,450                   1,460                   1,466
<TOTAL-ASSETS>                                 346,214                 356,718                 357,721
<DEPOSITS>                                     253,244                 256,024                 253,445
<SHORT-TERM>                                    27,764                  35,200                  24,052
<LIABILITIES-OTHER>                              2,434                   2,177                   1,805
<LONG-TERM>                                     22,576                  23,845                  38,439
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                           282                     282                     282
<OTHER-SE>                                      39,914                  39,190                  39,698
<TOTAL-LIABILITIES-AND-EQUITY>                 346,214                 356,718                 357,721
<INTEREST-LOAN>                                  3,053                   6,420                   9,983
<INTEREST-INVEST>                                3,137                   6,154                   9,115
<INTEREST-OTHER>                                     0                       0                       0
<INTEREST-TOTAL>                                 6,190                  12,574                  19,098
<INTEREST-DEPOSIT>                               2,553                   5,211                   7,959
<INTEREST-EXPENSE>                               3,240                   6,682                  10,311
<INTEREST-INCOME-NET>                            2,950                   5,892                   8,787
<LOAN-LOSSES>                                       30                      80                     120
<SECURITIES-GAINS>                                   0                       0                      29
<EXPENSE-OTHER>                                  1,733                   3,485                   5,282
<INCOME-PRETAX>                                  1,337                   2,618                   3,849
<INCOME-PRE-EXTRAORDINARY>                       1,337                   2,618                   3,849
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                       821                   1,639                   2,442
<EPS-PRIMARY>                                      .36                     .72                    1.08
<EPS-DILUTED>                                      .34                     .69                    1.03
<YIELD-ACTUAL>                                    3.56                    3.51                    3.46
<LOANS-NON>                                        406                     461                     620
<LOANS-PAST>                                     1,084                     902                     914
<LOANS-TROUBLED>                                     0                       0                       0
<LOANS-PROBLEM>                                      0                       0                       0
<ALLOWANCE-OPEN>                                 1,434                   1,434                   1,434
<CHARGE-OFFS>                                       29                      76                     120
<RECOVERIES>                                        15                      22                      32
<ALLOWANCE-CLOSE>                                1,450                   1,460                   1,466
<ALLOWANCE-DOMESTIC>                               771                     836                     787
<ALLOWANCE-FOREIGN>                                  0                       0                       0
<ALLOWANCE-UNALLOCATED>                            679                     624                     679
        

</TABLE>