<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
STATEMENT OF CONDITION AND THE STATEMENT OF OPERATION AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                          JUN-30-1998             JUN-30-1997             JUN-30-1997             JUN-30-1997
<PERIOD-START>                             JUL-01-1997             JUL-01-1996             JUL-01-1996             JUL-01-1996
<PERIOD-END>                               SEP-30-1997             DEC-31-1996             MAR-31-1997             JUN-30-1997
<CASH>                                           3,815                   3,311                   2,295                   7,760
<INT-BEARING-DEPOSITS>                             584                     759                     243                     445
<FED-FUNDS-SOLD>                                 4,375                   1,875                   2,375                   1,375
<TRADING-ASSETS>                                     0                       0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                          0                       0                       0                       0
<INVESTMENTS-CARRYING>                           8,996                  13,994                  13,995                  13,995
<INVESTMENTS-MARKET>                             8,963                  13,909                  13,774                  13,899
<LOANS>                                        355,742                 320,817                 330,179                 342,112
<ALLOWANCE>                                      2,586                   2,517                   2,636                   2,675
<TOTAL-ASSETS>                                 383,278                 347,577                 356,251                 373,081
<DEPOSITS>                                     314,779                 278,156                 273,553                 288,270
<SHORT-TERM>                                    14,500                  13,500                  32,500                  31,000
<LIABILITIES-OTHER>                              8,066                   8,170                   6,344                   8,823
<LONG-TERM>                                     18,396                  23,954                  18,835                  18,715
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                            26                      23                      23                      26
<OTHER-SE>                                      27,511                  23,774                  24,996                  26,247
<TOTAL-LIABILITIES-AND-EQUITY>                 383,278                 347,577                 356,251                 373,081
<INTEREST-LOAN>                                  7,884                  14,303                  21,991                  29,704
<INTEREST-INVEST>                                  312                     895                     941                   1,259
<INTEREST-OTHER>                                     0                       0                       0                       0
<INTEREST-TOTAL>                                 8,196                  15,198                  22,932                  30,963
<INTEREST-DEPOSIT>                               4,161                   6,986                  10,459                  13,958
<INTEREST-EXPENSE>                               4,683                   8,114                  12,249                  16,561
<INTEREST-INCOME-NET>                            3,513                   7,084                  10,683                  14,402
<LOAN-LOSSES>                                       45                       0                     107                     187
<SECURITIES-GAINS>                                   0                       0                       0                       0
<EXPENSE-OTHER>                                  2,006                   5,824                   7,920                  10,000
<INCOME-PRETAX>                                  1,687                   1,789                   3,649                   5,550
<INCOME-PRE-EXTRAORDINARY>                           0                       0                   3,649                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                     1,261                   1,170                   2,392                   3,647
<EPS-PRIMARY>                                     0.49                   $0.46                    0.94                    1.43
<EPS-DILUTED>                                     0.46                   $0.43                    0.88                    1.33
<YIELD-ACTUAL>                                   3.460                   3.890                   3.700                   3.840
<LOANS-NON>                                      2,988                   1,836                   3,159                   4,137
<LOANS-PAST>                                       145                     800                   1,071                     476
<LOANS-TROUBLED>                                     0                       0                       0                       0
<LOANS-PROBLEM>                                      0                     255                     918                     918
<ALLOWANCE-OPEN>                                 2,675                   2,515                   2,670                   2,565
<CHARGE-OFFS>                                      134                       0                     153                     198
<RECOVERIES>                                         0                      10                      12                     121
<ALLOWANCE-CLOSE>                                2,586                   2,525                   2,636                   2,675
<ALLOWANCE-DOMESTIC>                             2,586                   2,525                   2,636                   2,675
<ALLOWANCE-FOREIGN>                                  0                       0                       0                       0
<ALLOWANCE-UNALLOCATED>                          2,533                   2,433                   2,496                   2,598
        

</TABLE>