| 
                 
                    Closing price on 5/25/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.80 | 
                 
                
                    | High | 
                    23.90 | 
                 
                
                    | Low | 
                    23.70 | 
                     
                
                    | Volume | 
                    403,100 | 
                                 
                
                    | Split-adjusted Price | 
                    15.96 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/25/2021
             | 
            
                +0.05 / +0.21%
             |             
            
                23.80
             |           
            
                23.90
             |               
            
                23.70
             |                           
            
                23.85
             | 
            
                23.81
             |                     
            
                15.96
             |                                 
            
                403,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2021
             | 
            
                +0.20 / +0.85%
             |             
            
                23.70
             |           
            
                23.85
             |               
            
                23.40
             |                           
            
                23.80
             | 
            
                23.60
             |                     
            
                15.93
             |                                 
            
                543,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2021
             | 
            
                +0.40 / +1.72%
             |             
            
                23.40
             |           
            
                23.75
             |               
            
                23.25
             |                           
            
                23.60
             | 
            
                23.48
             |                     
            
                15.79
             |                                 
            
                124,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2021
             | 
            
                -0.05 / -0.22%
             |             
            
                23.30
             |           
            
                23.40
             |               
            
                23.20
             |                           
            
                23.20
             | 
            
                23.28
             |                     
            
                15.53
             |                                 
            
                340,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2021
             | 
            
                -0.75 / -3.13%
             |             
            
                23.55
             |           
            
                24.00
             |               
            
                23.25
             |                           
            
                23.25
             | 
            
                23.42
             |                     
            
                15.56
             |                                 
            
                552,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2021
             | 
            
                -1.20 / -4.76%
             |             
            
                25.10
             |           
            
                25.20
             |               
            
                23.80
             |                           
            
                24.00
             | 
            
                23.80
             |                     
            
                16.06
             |                                 
            
                509,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2021
             | 
            
                -0.35 / -1.37%
             |             
            
                25.95
             |           
            
                25.95
             |               
            
                25.10
             |                           
            
                25.20
             | 
            
                25.10
             |                     
            
                16.86
             |                                 
            
                248,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2021
             | 
            
                +0.05 / +0.18%
             |             
            
                27.35
             |           
            
                27.55
             |               
            
                27.20
             |                           
            
                27.40
             | 
            
                27.33
             |                     
            
                17.07
             |                                 
            
                1,589,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2021
             | 
            
                -0.15 / -0.55%
             |             
            
                27.35
             |           
            
                27.50
             |               
            
                27.20
             |                           
            
                27.35
             | 
            
                27.33
             |                     
            
                17.04
             |                                 
            
                460,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2021
             | 
            
                -0.15 / -0.54%
             |             
            
                27.65
             |           
            
                27.70
             |               
            
                27.30
             |                           
            
                27.50
             | 
            
                27.47
             |                     
            
                17.13
             |                                 
            
                677,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2021
             | 
            
                +0.50 / +1.84%
             |             
            
                27.15
             |           
            
                27.70
             |               
            
                27.15
             |                           
            
                27.65
             | 
            
                27.54
             |                     
            
                17.23
             |                                 
            
                401,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2021
             | 
            
                0.00 / 0.00%
             |             
            
                27.15
             |           
            
                27.30
             |               
            
                26.90
             |                           
            
                27.15
             | 
            
                27.07
             |                     
            
                16.91
             |                                 
            
                538,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2021
             | 
            
                -0.50 / -1.81%
             |             
            
                27.50
             |           
            
                27.65
             |               
            
                27.00
             |                           
            
                27.15
             | 
            
                27.28
             |                     
            
                16.91
             |                                 
            
                593,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2021
             | 
            
                -0.45 / -1.60%
             |             
            
                27.90
             |           
            
                28.10
             |               
            
                27.65
             |                           
            
                27.65
             | 
            
                27.87
             |                     
            
                17.23
             |                                 
            
                353,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2021
             | 
            
                +0.05 / +0.18%
             |             
            
                28.30
             |           
            
                28.30
             |               
            
                27.75
             |                           
            
                28.10
             | 
            
                28.01
             |                     
            
                17.51
             |                                 
            
                548,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2021
             | 
            
                +0.85 / +3.13%
             |             
            
                27.20
             |           
            
                28.50
             |               
            
                27.20
             |                           
            
                28.05
             | 
            
                27.86
             |                     
            
                17.47
             |                                 
            
                1,184,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                27.45
             |           
            
                27.80
             |               
            
                27.00
             |                           
            
                27.20
             | 
            
                27.47
             |                     
            
                16.94
             |                                 
            
                350,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2021
             | 
            
                +0.10 / +0.37%
             |             
            
                27.10
             |           
            
                27.20
             |               
            
                26.90
             |                           
            
                27.20
             | 
            
                27.04
             |                     
            
                16.94
             |                                 
            
                244,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2021
             | 
            
                -0.05 / -0.18%
             |             
            
                27.15
             |           
            
                27.20
             |               
            
                26.95
             |                           
            
                27.10
             | 
            
                27.06
             |                     
            
                16.88
             |                                 
            
                255,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2021
             | 
            
                +0.15 / +0.56%
             |             
            
                28.25
             |           
            
                28.25
             |               
            
                26.90
             |                           
            
                27.15
             | 
            
                27.49
             |                     
            
                16.91
             |                                 
            
                368,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                27.00
             |           
            
                27.00
             |               
            
                26.45
             |                           
            
                27.00
             | 
            
                26.67
             |                     
            
                16.82
             |                                 
            
                280,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2021
             | 
            
                -0.40 / -1.46%
             |             
            
                27.05
             |           
            
                27.40
             |               
            
                26.90
             |                           
            
                27.00
             | 
            
                27.08
             |                     
            
                16.82
             |                                 
            
                334,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2021
             | 
            
                0.00 / 0.00%
             |             
            
                27.40
             |           
            
                27.50
             |               
            
                26.80
             |                           
            
                27.40
             | 
            
                27.39
             |                     
            
                17.07
             |                                 
            
                326,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2021
             | 
            
                +0.45 / +1.67%
             |             
            
                26.75
             |           
            
                27.40
             |               
            
                26.75
             |                           
            
                27.40
             | 
            
                27.13
             |                     
            
                17.07
             |                                 
            
                563,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2021
             | 
            
                -0.60 / -2.18%
             |             
            
                27.50
             |           
            
                27.55
             |               
            
                26.95
             |                           
            
                26.95
             | 
            
                27.23
             |                     
            
                16.79
             |                                 
            
                265,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2021
             | 
            
                -0.15 / -0.54%
             |             
            
                27.95
             |           
            
                27.95
             |               
            
                27.40
             |                           
            
                27.55
             | 
            
                27.68
             |                     
            
                17.16
             |                                 
            
                299,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2021
             | 
            
                -0.10 / -0.36%
             |             
            
                27.55
             |           
            
                27.75
             |               
            
                27.30
             |                           
            
                27.70
             | 
            
                27.48
             |                     
            
                17.26
             |                                 
            
                751,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2021
             | 
            
                -0.35 / -1.24%
             |             
            
                28.30
             |           
            
                28.30
             |               
            
                27.70
             |                           
            
                27.80
             | 
            
                27.98
             |                     
            
                17.32
             |                                 
            
                428,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2021
             | 
            
                +0.15 / +0.54%
             |             
            
                28.10
             |           
            
                28.25
             |               
            
                27.90
             |                           
            
                28.15
             | 
            
                28.03
             |                     
            
                17.54
             |                                 
            
                817,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2021
             | 
            
                +0.10 / +0.36%
             |             
            
                27.90
             |           
            
                28.10
             |               
            
                27.70
             |                           
            
                28.00
             | 
            
                27.96
             |                     
            
                17.44
             |                                 
            
                457,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |