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PNC BANK CORP. AND SUBSIDIARIES                            EXHIBIT 12.1
COMPUTATION OF RATIO OF EARNINGS
  TO FIXED CHARGES




                                                                                      Year ended December 31
                                             Six months ended -----------------------------------------------------------------
Dollars in thousands                            June 30, 1997        1996          1995         1994         1993         1992
- -------------------------------------------------------------------------------------------------------------------------------
                                                                                                
EARNINGS
Income before taxes and
   cumulative effect of changes
   in accounting principles                         $801,587   $1,527,551      $627,012   $1,209,916   $1,140,487     $787,994
Fixed charges excluding interest on deposits         573,261    1,096,893     1,487,279    1,104,573      704,228      582,854
                                                 ------------------------------------------------------------------------------
   Subtotal                                        1,374,848    2,624,444     2,114,291    2,314,489    1,844,715    1,370,848
Interest on deposits                                 714,155    1,428,771     1,551,816    1,159,242    1,005,658    1,546,576
                                                 ------------------------------------------------------------------------------
   Total                                          $2,089,003   $4,053,215    $3,666,107   $3,473,731   $2,850,373   $2,917,424
                                                 ==============================================================================

FIXED CHARGES
Interest on borrowed funds                          $541,658   $1,064,847    $1,455,069   $1,070,565     $676,319     $555,610
Interest component of rentals                         14,376       29,839        31,283       32,247       26,491       25,739
Amortization of borrowed funds                           404          816           927        1,761        1,418        1,505
Distributions on capital securities                   16,823        1,391
                                                 ------------------------------------------------------------------------------
   Subtotal                                          573,261    1,096,893     1,487,279    1,104,573      704,228      582,854
Interest on deposits                                 714,155    1,428,771     1,551,816    1,159,242    1,005,658    1,546,576
                                                 ------------------------------------------------------------------------------
   Total                                          $1,287,416   $2,525,664    $3,039,095   $2,263,815   $1,709,886   $2,129,430
                                                 ==============================================================================

RATIO OF EARNINGS TO FIXED CHARGES
Excluding interest on deposits                          2.40x        2.39x         1.42x        2.10x        2.62x        2.35x
Including interest on deposits                          1.62         1.60          1.21         1.53         1.67         1.37
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