<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-31-1998             DEC-31-1998             DEC-31-1998
<PERIOD-START>                             JAN-01-1998             JAN-01-1998             JAN-01-1998
<PERIOD-END>                               MAR-31-1998             JUN-30-1998             SEP-30-1998
<CASH>                                          64,807                  75,206                  63,481
<INT-BEARING-DEPOSITS>                           4,051                   1,600                   1,211
<FED-FUNDS-SOLD>                                20,617                  13,486                  11,079
<TRADING-ASSETS>                                     0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                          0                       0                       0
<INVESTMENTS-CARRYING>                               0                       0                       0
<INVESTMENTS-MARKET>                           473,676                 436,750                 399,885
<LOANS>                                      1,520,612               1,577,492               1,624,288
<ALLOWANCE>                                     14,932                  16,237                  16,637
<TOTAL-ASSETS>                               2,187,184               2,207,293               2,204,465
<DEPOSITS>                                   1,734,279               1,731,770               1,707,614
<SHORT-TERM>                                    54,314                  77,741                  70,668
<LIABILITIES-OTHER>                             22,332                  21,022                  24,596
<LONG-TERM>                                    156,029                 152,424                 172,159
<PREFERRED-MANDATORY>                            4,111                  10,103                   9,285
<PREFERRED>                                          0                       0                       0
<COMMON>                                        16,053                  16,062                  16,088
<OTHER-SE>                                     200,066                 198,171                 204,055
<TOTAL-LIABILITIES-AND-EQUITY>               2,187,184               2,207,293               2,204,465
<INTEREST-LOAN>                                 32,977                  68,759                 105,829
<INTEREST-INVEST>                                6,232                  12,802                  18,595
<INTEREST-OTHER>                                   404                     729                   1,009
<INTEREST-TOTAL>                                39,613                  82,290                 125,433
<INTEREST-DEPOSIT>                              15,715                  16,718                  16,930
<INTEREST-EXPENSE>                              18,158                  38,527                  59,008
<INTEREST-INCOME-NET>                           21,455                  41,763                  64,425
<LOAN-LOSSES>                                    3,081                   5,775                   7,686
<SECURITIES-GAINS>                                  67                   1,065                   1,149
<EXPENSE-OTHER>                                 14,632                  30,846                  49,650
<INCOME-PRETAX>                                 10,087                  19,474                  26,577
<INCOME-PRE-EXTRAORDINARY>                      10,087                  19,474                  26,577
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     6,780                  13,256                  18,176
<EPS-PRIMARY>                                      .41                     .80                    1.09
<EPS-DILUTED>                                      .40                     .79                    1.08
<YIELD-ACTUAL>                                       0                       0                       0
<LOANS-NON>                                          0                       0                       0
<LOANS-PAST>                                         0                       0                       0
<LOANS-TROUBLED>                                     0                       0                       0
<LOANS-PROBLEM>                                      0                       0                       0
<ALLOWANCE-OPEN>                                     0                       0                       0
<CHARGE-OFFS>                                        0                       0                       0
<RECOVERIES>                                         0                       0                       0
<ALLOWANCE-CLOSE>                                    0                       0                       0
<ALLOWANCE-DOMESTIC>                                 0                       0                       0
<ALLOWANCE-FOREIGN>                                  0                       0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0                       0
        

</TABLE>