<TABLE> <S> <C>

<PAGE>

<ARTICLE> 9
<LEGEND>
        This schedule contains summary financial information extracted from the
CoreStates Financial Corp consolidated balance sheet as of September 30, 1996
(restated), June 30, 1996 (restated), and March 31, 1996 (restated) and the
related consolidated statement of income, changes in shareholders' equity, and
other financial data included within management's discussion and analysis of
financial condition and results of operations for the year-to-date ended
December 31, 1996 (restated), September 30, 1996 (restated), June 30, 1996
(restated), and March 31, 1996 (restated) and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                    9-MOS                   6-MOS                   3-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>                               SEP-30-1996             JUN-30-1996             MAR-31-1996
<CASH>                                       2,984,768               2,943,791               2,919,080
<INT-BEARING-DEPOSITS>                       2,594,473               2,073,097               1,759,257
<FED-FUNDS-SOLD>                               168,702                 204,775                 168,500
<TRADING-ASSETS>                                56,800                  87,234                  75,335
<INVESTMENTS-HELD-FOR-SALE>                  2,740,040               2,377,510               2,548,813
<INVESTMENTS-CARRYING>                       1,964,254               2,218,930               2,589,373
<INVESTMENTS-MARKET>                         1,967,407               2,216,784               2,600,359
<LOANS>                                     32,238,379              31,542,846              31,489,954
<ALLOWANCE>                                    708,239                 705,178                 665,875
<TOTAL-ASSETS>                              45,198,101              43,667,737              43,861,106
<DEPOSITS>                                  32,303,255              32,520,860              32,552,003
<SHORT-TERM>                                 4,002,220               2,642,020               3,013,866
<LIABILITIES-OTHER>                          1,673,852               1,711,208               1,458,303
<LONG-TERM>                                  2,518,080               2,477,773               2,463,267
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                       223,197                 222,029                 436,109
<OTHER-SE>                                   3,808,694               3,677,004               3,489,941
<TOTAL-LIABILITIES-AND-EQUITY>              45,198,101              43,667,737              43,861,106
<INTEREST-LOAN>                              2,138,180               1,416,096                 710,383
<INTEREST-INVEST>                              216,904                 152,686                  78,240
<INTEREST-OTHER>                               107,472                  70,691                  35,095
<INTEREST-TOTAL>                             2,462,556               1,639,473                 823,718
<INTEREST-DEPOSIT>                             629,811                 422,420                 214,458
<INTEREST-EXPENSE>                             858,159                 575,424                 293,064
<INTEREST-INCOME-NET>                        1,604,397               1,064,049                 530,654
<LOAN-LOSSES>                                  188,767                 148,767                  38,767
<SECURITIES-GAINS>                              55,476                  24,341                   6,948
<EXPENSE-OTHER>                              1,359,540                 927,687                 416,182
<INCOME-PRETAX>                                730,788                 425,662                 285,145
<INCOME-PRE-EXTRAORDINARY>                     453,598                 256,741                 177,144
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                   453,598                 256,741                 177,144
<EPS-PRIMARY>                                     2.06                    1.17                    0.81
<EPS-DILUTED>                                     2.04                    1.16                    0.80
<YIELD-ACTUAL>                                    5.55                    5.54                    5.51
<LOANS-NON>                                    234,800                 216,200                 245,300
<LOANS-PAST>                                   109,000                 104,700                 100,600
<LOANS-TROUBLED>                                 1,500                   1,600                   2,300
<LOANS-PROBLEM>                                      0                       0                       0
<ALLOWANCE-OPEN>                               670,300                 670,300                 670,300
<CHARGE-OFFS>                                  217,600                 159,800                  64,500
<RECOVERIES>                                    66,800                  45,900                  21,300
<ALLOWANCE-CLOSE>                              708,200                 705,200                 665,900
<ALLOWANCE-DOMESTIC>                           683,200                 680,200                 640,900
<ALLOWANCE-FOREIGN>                             25,000                  25,000                  25,000
<ALLOWANCE-UNALLOCATED>                              0                       0                       0


</TABLE>