<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
       
<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   3-MOS                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1998             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JUL-01-1998             APR-01-1998             JUL-01-1997             APR-01-1997
<PERIOD-END>                               SEP-30-1998             JUN-30-1998             SEP-30-1997             JUN-30-1997
<CASH>                                          22,707                  25,332                  32,245                  28,651
<INT-BEARING-DEPOSITS>                           2,020                   1,295                   1,486                   1,194
<FED-FUNDS-SOLD>                                33,496                   5,500                  22,800                  20,900
<TRADING-ASSETS>                                     0                       0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                    373,409                 361,036                 257,506                 274,917
<INVESTMENTS-CARRYING>                          66,610                 110,535                 152,583                 127,671
<INVESTMENTS-MARKET>                            70,034                 113,528                 155,681                 129,841
<LOANS>                                        695,760                 672,394                 604,310                 595,970
<ALLOWANCE>                                      9,002                   8,800                   7,997                   7,626
<TOTAL-ASSETS>                               1,236,043               1,240,466               1,105,664               1,082,643
<DEPOSITS>                                     965,352               1,005,993                 901,339                 880,471
<SHORT-TERM>                                    10,000                  42,000                  64,277                  76,459
<LIABILITIES-OTHER>                             14,203                  11,205                   8,668                   7,194
<LONG-TERM>                                    130,711                  69,362                  29,223                  19,721
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                           146                     143                  39,963                  40,012
<OTHER-SE>                                      95,494                  91,626                  42,057                  38,649
<TOTAL-LIABILITIES-AND-EQUITY>               1,236,043               1,240,466               1,105,664               1,082,643
<INTEREST-LOAN>                                 14,786                  14,540                  13,412                  13,201
<INTEREST-INVEST>                                7,831                   7,741                   7,125                   6,598
<INTEREST-OTHER>                                   418                     295                     244                     295
<INTEREST-TOTAL>                                23,035                  22,576                  20,781                  20,094
<INTEREST-DEPOSIT>                               9,655                  10,047                   9,137                   8,702
<INTEREST-EXPENSE>                              12,052                  11,947                  11,102                  10,478
<INTEREST-INCOME-NET>                           10,983                  10,629                   9,679                   9,616
<LOAN-LOSSES>                                      311                     310                     521                     840
<SECURITIES-GAINS>                                  31                     686                     268                     518
<EXPENSE-OTHER>                                 11,120                   7,259                   6,153                   6,190
<INCOME-PRETAX>                                    712                   4,672                   4,204                   4,018
<INCOME-PRE-EXTRAORDINARY>                         712                   4,672                   4,204                   4,018
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                        10                   5,254                   2,946                   2,744
<EPS-PRIMARY>                                        0                       0                       0                       0
<EPS-DILUTED>                                        0                       0                       0                       0
<YIELD-ACTUAL>                                       0                       0                       0                       0
<LOANS-NON>                                      4,941                   5,155                   9,065                   8,588
<LOANS-PAST>                                       613                     407                     332                     740
<LOANS-TROUBLED>                                   494                     498                     984                   1,222
<LOANS-PROBLEM>                                  1,020                     452                     480                     500
<ALLOWANCE-OPEN>                                 8,800                   8,535                   7,626                   6,936
<CHARGE-OFFS>                                      140                      74                     202                     173
<RECOVERIES>                                        22                      29                      32                      23
<ALLOWANCE-CLOSE>                                9,002                   8,800                   7,977                   7,626
<ALLOWANCE-DOMESTIC>                             9,002                   8,800                   7,977                   7,626
<ALLOWANCE-FOREIGN>                                  0                       0                       0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0                       0                       0
        

</TABLE>