<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM AUDITED
FINANCIAL STATEMENTS CONTAINED IN THE COMPANY'S ANNUAL REPORT IN FORM 10-K FOR
THE YEAR ENDED DECEMBER 31, 1996 AND UNAUDITED FINANCIAL STATEMENTS CONTAINED IN
THE COMPANY'S QUARTERLY REPORTS IN FORM 10-Q FOR QUARTERS ENDED JUNE 30, 1996
AND SEPT. 30, 1996.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   YEAR                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-START>                             JAN-01-1996             JAN-01-1996             JAN-01-1996
<PERIOD-END>                               DEC-31-1996             JUN-30-1996             SEP-30-1996
<CASH>                                         175,732                 112,363                 138,085
<INT-BEARING-DEPOSITS>                           3,598                   1,683                   2,488
<FED-FUNDS-SOLD>                                 3,600                     860                     310
<TRADING-ASSETS>                                     0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                    506,888                 494,444                 499,035
<INVESTMENTS-CARRYING>                         222,348                 228,769                 237,235
<INVESTMENTS-MARKET>                           223,200                 226,120                 235,790
<LOANS>                                      2,064,108               1,851,429               1,976,592
<ALLOWANCE>                                     26,215                  23,995                  25,771
<TOTAL-ASSETS>                               3,116,398               2,818,818               2,999,736
<DEPOSITS>                                   2,537,440               2,322,394               2,424,315
<SHORT-TERM>                                   169,265                 105,593                 153,056
<LIABILITIES-OTHER>                            117,061                 136,510                 155,440
<LONG-TERM>                                     46,750                  39,086                  38,898
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                     22,988                  23,000                  22,997
<COMMON>                                           172                     163                     165
<OTHER-SE>                                     244,399                 213,836                 226,614
<TOTAL-LIABILITIES-AND-EQUITY>               3,116,398               2,818,818               2,999,736
<INTEREST-LOAN>                                183,530                  44,223                  47,255
<INTEREST-INVEST>                               44,936                  11,088                  11,367
<INTEREST-OTHER>                                   960                     226                      89
<INTEREST-TOTAL>                               229,426                  55,537                  58,711
<INTEREST-DEPOSIT>                              81,655                  19,743                  20,214
<INTEREST-EXPENSE>                              95,234                  22,871                  24,002
<INTEREST-INCOME-NET>                          134,192                  32,666                  34,709
<LOAN-LOSSES>                                    6,757                   1,416                   2,241
<SECURITIES-GAINS>                                  93                     (1)                     (8)
<EXPENSE-OTHER>                                104,288                  23,789                  25,834
<INCOME-PRETAX>                                 50,517                  14,137                  13,149
<INCOME-PRE-EXTRAORDINARY>                      32,510                   9,288                   8,593
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                    32,510                   9,288                   8,593
<EPS-PRIMARY>                                     1.87                     .55                     .50
<EPS-DILUTED>                                     1.79                     .52                     .47
<YIELD-ACTUAL>                                       0                       0                       0
<LOANS-NON>                                     12,796                   4,368                   5,897
<LOANS-PAST>                                     1,956                   2,393                   2,774
<LOANS-TROUBLED>                                   267                     642                     298
<LOANS-PROBLEM>                                      0                       0                       0
<ALLOWANCE-OPEN>                                22,712                  22,712                  22,712
<CHARGE-OFFS>                                    4,971                   1,574                   2,717
<RECOVERIES>                                       933                     482                     660
<ALLOWANCE-CLOSE>                               26,215                  23,995                  25,771
<ALLOWANCE-DOMESTIC>                                 0                       0                       0
<ALLOWANCE-FOREIGN>                                  0                       0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0                       0
        

</TABLE>