<TABLE> <S> <C>

<PAGE>

<ARTICLE> 9
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1998
<PERIOD-START>                             JAN-01-1999             JAN-01-1998
<PERIOD-END>                               DEC-31-1999             DEC-31-1998
<CASH>                                         307,770                 355,317
<INT-BEARING-DEPOSITS>                               0                       0
<FED-FUNDS-SOLD>                             1,555,000               1,446,000
<TRADING-ASSETS>                                86,540                  52,971
<INVESTMENTS-HELD-FOR-SALE>                  1,040,285                 694,814
<INVESTMENTS-CARRYING>                           3,744                   3,898
<INVESTMENTS-MARKET>                             3,744                   3,898
<LOANS>                                      3,612,148               3,447,538
<ALLOWANCE>                                   (71,677)                (62,649)
<TOTAL-ASSETS>                               6,856,702               6,184,603
<DEPOSITS>                                   5,904,600               5,569,647
<SHORT-TERM>                                   156,663                  60,601
<LIABILITIES-OTHER>                            145,066                  96,766
<LONG-TERM>                                    176,966                  75,767
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                       312,677                 224,433
<OTHER-SE>                                     160,730                 157,389
<TOTAL-LIABILITIES-AND-EQUITY>               6,856,702               6,184,603
<INTEREST-LOAN>                                322,309                 296,509
<INTEREST-INVEST>                               40,820                  39,525
<INTEREST-OTHER>                                25,666                  25,311
<INTEREST-TOTAL>                               388,795                 361,345
<INTEREST-DEPOSIT>                             102,473                  90,666
<INTEREST-EXPENSE>                             119,060                 102,648
<INTEREST-INCOME-NET>                          269,735                 258,697
<LOAN-LOSSES>                                   32,220                  33,375
<SECURITIES-GAINS>                               3,222                     173
<EXPENSE-OTHER>                                241,951                 216,926
<INCOME-PRETAX>                                145,690                  72,197
<INCOME-PRE-EXTRAORDINARY>                      86,826                  43,748
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    86,826                  43,748
<EPS-BASIC>                                       1.93                    0.95
<EPS-DILUTED>                                     1.87                    0.92
<YIELD-ACTUAL>                                    5.21                    5.76
<LOANS-NON>                                     27,589                  30,615
<LOANS-PAST>                                         0                       0
<LOANS-TROUBLED>                                 4,081                   9,770
<LOANS-PROBLEM>                                      0                       0
<ALLOWANCE-OPEN>                                62,649                  51,143
<CHARGE-OFFS>                                   22,751                  23,793
<RECOVERIES>                                     3,559                   1,924
<ALLOWANCE-CLOSE>                               71,677                  62,649
<ALLOWANCE-DOMESTIC>                                 0                       0
<ALLOWANCE-FOREIGN>                                  0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0


</TABLE>