1
                                                                    EXHIBIT 12.1


PNC BANK CORP.
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES



                                                                                 Year ended December 31
                                           Nine months ended  ------------------------------------------------------------------
In thousands, except ratios               September 30, 1994    1993          1992          1991          1990          1989
                                          ------------------  ----------    ----------    ----------    ----------    ----------
                                                                                                    
EARNINGS                                                                                                     
 Income before income taxes and                                                                     
  cumulative effect of changes in 
  accounting principles................      $  861,968       $1,116,612    $  778,122    $  548,201    $   29,425    $  485,264

 Fixed charges excluding interest                                                                             
  on deposits..........................         703,779          649,898       517,424       513,370       918,698       867,083
                                             ----------       ----------    ----------    ----------    ----------    ----------
   Subtotal............................       1,565,747        1,766,510     1,295,546     1,061,571       948,123     1,352,347
 Interest on deposits..................         667,765          742,772     1,063,422     1,727,765     1,973,087     1,907,769
                                             ----------       ----------    ----------    ----------    ----------    ----------
   Total...............................      $2,233,512       $2,509,282    $2,358,968    $2,789,336    $2,921,210    $3,260,116
                                             ==========       ==========    ==========    ==========    ==========    ==========
                                                                                                       
FIXED CHARGES                                                                                         
 Interest on notes and debentures......      $  345,116       $  265,353    $  145,125    $   95,207    $   84,045    $   61,590
 Interest on borrowed funds............         338,497          362,995       352,162       398,779       816,448       788,520
 Amortization of notes and debentures..           1,034              967           970           584           538           506
 Interest component of rentals ........          19,132           20,583        19,167        18,800        17,667        16,467
                                             ----------       ----------    ----------    ----------    ----------    ----------
   Subtotal............................         703,779          649,898       517,424       513,370       918,698       867,083
 Interest on deposits..................         667,765          742,772     1,063,422     1,727,765     1,973,087     1,907,769
                                             ----------       ----------    ----------    ----------    ----------    ----------
   Total...............................      $1,371,544       $1,392,670    $1,580,846    $2,241,135    $2,891,785    $2,774,852
                                             ==========       ==========    ==========    ==========    ==========    ==========
                                                                                                       
RATIO OF EARNINGS TO FIXED CHARGES                                                                    
   Excluding interest on deposits......            2.22x            2.72x         2.50x         2.07x         1.03x         1.56x
   Including interest on deposits......            1.63             1.80          1.49          1.24          1.01          1.17