<TABLE> <S> <C>
<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED
FINANCIAL STATEMENTS OF PFSB BANCORP, INC. FOR THE YEAR ENDED SEPTEMBER 30, 2000
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<CASH> 302
<INT-BEARING-DEPOSITS> 3,490
<FED-FUNDS-SOLD> 0
<TRADING-ASSETS> 0
<INVESTMENTS-HELD-FOR-SALE> 8,870
<INVESTMENTS-CARRYING> 10,526
<INVESTMENTS-MARKET> 10,225
<LOANS> 44,809
<ALLOWANCE> 280
<TOTAL-ASSETS> 70,044
<DEPOSITS> 56,385
<SHORT-TERM> 4,250
<LIABILITIES-OTHER> 146
<LONG-TERM> 0
0
0
<COMMON> 6
<OTHER-SE> 9,257
<TOTAL-LIABILITIES-AND-EQUITY> 70,044
<INTEREST-LOAN> 3,202
<INTEREST-INVEST> 1,269
<INTEREST-OTHER> 66
<INTEREST-TOTAL> 4,537
<INTEREST-DEPOSIT> 2,642
<INTEREST-EXPENSE> 2,865
<INTEREST-INCOME-NET> 1,673
<LOAN-LOSSES> 0
<SECURITIES-GAINS> 0
<EXPENSE-OTHER> 1,483
<INCOME-PRETAX> 248
<INCOME-PRE-EXTRAORDINARY> 170
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 170
<EPS-BASIC> 0.40
<EPS-DILUTED> 0.39
<YIELD-ACTUAL> 2.47
<LOANS-NON> 151
<LOANS-PAST> 0
<LOANS-TROUBLED> 0
<LOANS-PROBLEM> 0
<ALLOWANCE-OPEN> 280
<CHARGE-OFFS> 0
<RECOVERIES> 0
<ALLOWANCE-CLOSE> 280
<ALLOWANCE-DOMESTIC> 245
<ALLOWANCE-FOREIGN> 0
<ALLOWANCE-UNALLOCATED> 35
</TABLE>