<TABLE> <S> <C>

<PAGE>

<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF CNBT BANCSHARES, INC. AT SEPTEMBER 30, 1999, AND FOR THE
NINE MONTHS THEN ENDED AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                          13,379
<INT-BEARING-DEPOSITS>                             156
<FED-FUNDS-SOLD>                                     0
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    129,034
<INVESTMENTS-CARRYING>                         123,358
<INVESTMENTS-MARKET>                           119,188
<LOANS>                                        129,564
<ALLOWANCE>                                      1,292
<TOTAL-ASSETS>                                 407,377
<DEPOSITS>                                     344,691
<SHORT-TERM>                                    12,000
<LIABILITIES-OTHER>                              2,305
<LONG-TERM>                                     18,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,071
<OTHER-SE>                                      27,783
<TOTAL-LIABILITIES-AND-EQUITY>                 407,377
<INTEREST-LOAN>                                  8,509
<INTEREST-INVEST>                               11,151
<INTEREST-OTHER>                                     0
<INTEREST-TOTAL>                                19,660
<INTEREST-DEPOSIT>                               8,445
<INTEREST-EXPENSE>                               9,291
<INTEREST-INCOME-NET>                           10,369
<LOAN-LOSSES>                                      450
<SECURITIES-GAINS>                                  26
<EXPENSE-OTHER>                                  7,433
<INCOME-PRETAX>                                  4,534
<INCOME-PRE-EXTRAORDINARY>                       4,534
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,654
<EPS-BASIC>                                       0.74
<EPS-DILUTED>                                     0.73
<YIELD-ACTUAL>                                    7.08
<LOANS-NON>                                        228
<LOANS-PAST>                                       248
<LOANS-TROUBLED>                                    30
<LOANS-PROBLEM>                                    506
<ALLOWANCE-OPEN>                                 1,183
<CHARGE-OFFS>                                      503
<RECOVERIES>                                       162
<ALLOWANCE-CLOSE>                                1,292
<ALLOWANCE-DOMESTIC>                             1,292
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0


</TABLE>