| 
                 
                    Closing price on 2/28/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    24.40 | 
                 
                
                    | High | 
                    24.65 | 
                 
                
                    | Low | 
                    23.70 | 
                     
                
                    | Volume | 
                    615,280 | 
                                 
                
                    | Split-adjusted Price | 
                    12.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/28/2019
             | 
            
                -1.10 / -4.44%
             |             
            
                24.40
             |           
            
                24.65
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                24.25
             |                     
            
                12.14
             |                                 
            
                615,280
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2019
             | 
            
                +0.50 / +2.06%
             |             
            
                24.30
             |           
            
                24.90
             |               
            
                24.20
             |                           
            
                24.80
             | 
            
                24.66
             |                     
            
                12.71
             |                                 
            
                739,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2019
             | 
            
                +1.20 / +5.19%
             |             
            
                23.00
             |           
            
                24.40
             |               
            
                23.00
             |                           
            
                24.30
             | 
            
                23.98
             |                     
            
                12.45
             |                                 
            
                1,134,690
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2019
             | 
            
                -0.10 / -0.43%
             |             
            
                23.25
             |           
            
                23.40
             |               
            
                22.90
             |                           
            
                23.10
             | 
            
                23.03
             |                     
            
                11.84
             |                                 
            
                339,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                23.00
             |           
            
                23.25
             |               
            
                22.70
             |                           
            
                23.20
             | 
            
                22.99
             |                     
            
                11.89
             |                                 
            
                276,450
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2019
             | 
            
                +0.60 / +2.65%
             |             
            
                23.30
             |           
            
                24.00
             |               
            
                22.85
             |                           
            
                23.20
             | 
            
                23.22
             |                     
            
                11.89
             |                                 
            
                533,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2019
             | 
            
                -0.30 / -1.31%
             |             
            
                22.80
             |           
            
                23.35
             |               
            
                22.10
             |                           
            
                22.60
             | 
            
                22.74
             |                     
            
                11.58
             |                                 
            
                621,440
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2019
             | 
            
                -0.75 / -3.17%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                22.75
             |                           
            
                22.90
             | 
            
                23.55
             |                     
            
                11.73
             |                                 
            
                498,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2019
             | 
            
                -0.30 / -1.25%
             |             
            
                23.80
             |           
            
                23.95
             |               
            
                23.50
             |                           
            
                23.65
             | 
            
                23.74
             |                     
            
                12.12
             |                                 
            
                336,490
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2019
             | 
            
                -0.05 / -0.21%
             |             
            
                23.90
             |           
            
                23.95
             |               
            
                23.60
             |                           
            
                23.95
             | 
            
                23.86
             |                     
            
                12.27
             |                                 
            
                258,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2019
             | 
            
                +0.85 / +3.67%
             |             
            
                23.45
             |           
            
                24.50
             |               
            
                23.15
             |                           
            
                24.00
             | 
            
                23.87
             |                     
            
                12.30
             |                                 
            
                521,890
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2019
             | 
            
                -0.15 / -0.64%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                22.60
             |                           
            
                23.15
             | 
            
                23.13
             |                     
            
                11.86
             |                                 
            
                610,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2019
             | 
            
                -0.40 / -1.69%
             |             
            
                23.70
             |           
            
                23.85
             |               
            
                23.30
             |                           
            
                23.30
             | 
            
                23.68
             |                     
            
                11.94
             |                                 
            
                588,840
             |            
            
                 
             |                                       
         
    
        
            | 
                2/11/2019
             | 
            
                +1.00 / +4.41%
             |             
            
                23.00
             |           
            
                23.80
             |               
            
                22.80
             |                           
            
                23.70
             | 
            
                23.34
             |                     
            
                12.14
             |                                 
            
                593,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2019
             | 
            
                +0.10 / +0.44%
             |             
            
                22.45
             |           
            
                22.70
             |               
            
                22.10
             |                           
            
                22.70
             | 
            
                22.46
             |                     
            
                11.63
             |                                 
            
                378,040
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2019
             | 
            
                +0.10 / +0.44%
             |             
            
                22.85
             |           
            
                22.85
             |               
            
                22.25
             |                           
            
                22.60
             | 
            
                22.57
             |                     
            
                11.58
             |                                 
            
                400,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2019
             | 
            
                +0.10 / +0.45%
             |             
            
                22.70
             |           
            
                22.90
             |               
            
                22.40
             |                           
            
                22.50
             | 
            
                22.63
             |                     
            
                11.53
             |                                 
            
                317,110
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2019
             | 
            
                +0.60 / +2.75%
             |             
            
                21.60
             |           
            
                22.50
             |               
            
                21.40
             |                           
            
                22.40
             | 
            
                21.97
             |                     
            
                11.48
             |                                 
            
                473,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2019
             | 
            
                +0.05 / +0.23%
             |             
            
                21.50
             |           
            
                22.00
             |               
            
                21.50
             |                           
            
                21.80
             | 
            
                21.81
             |                     
            
                11.17
             |                                 
            
                407,390
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2019
             | 
            
                +0.25 / +1.16%
             |             
            
                21.50
             |           
            
                21.80
             |               
            
                21.30
             |                           
            
                21.75
             | 
            
                21.56
             |                     
            
                11.15
             |                                 
            
                510,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2019
             | 
            
                +0.10 / +0.47%
             |             
            
                21.60
             |           
            
                21.95
             |               
            
                21.40
             |                           
            
                21.50
             | 
            
                21.64
             |                     
            
                11.02
             |                                 
            
                337,120
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2019
             | 
            
                +1.00 / +4.90%
             |             
            
                20.10
             |           
            
                21.55
             |               
            
                20.10
             |                           
            
                21.40
             | 
            
                21.00
             |                     
            
                10.97
             |                                 
            
                614,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2019
             | 
            
                -0.15 / -0.73%
             |             
            
                20.90
             |           
            
                20.90
             |               
            
                20.30
             |                           
            
                20.40
             | 
            
                20.53
             |                     
            
                10.45
             |                                 
            
                267,710
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2019
             | 
            
                +0.25 / +1.23%
             |             
            
                20.30
             |           
            
                21.00
             |               
            
                20.30
             |                           
            
                20.55
             | 
            
                20.59
             |                     
            
                10.53
             |                                 
            
                496,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2019
             | 
            
                +0.95 / +4.91%
             |             
            
                19.40
             |           
            
                20.70
             |               
            
                19.35
             |                           
            
                20.30
             | 
            
                20.16
             |                     
            
                10.40
             |                                 
            
                987,040
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2019
             | 
            
                -0.20 / -1.02%
             |             
            
                19.60
             |           
            
                19.65
             |               
            
                19.35
             |                           
            
                19.35
             | 
            
                19.57
             |                     
            
                9.92
             |                                 
            
                247,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2019
             | 
            
                +0.20 / +1.03%
             |             
            
                19.55
             |           
            
                19.70
             |               
            
                19.20
             |                           
            
                19.55
             | 
            
                19.46
             |                     
            
                10.02
             |                                 
            
                642,070
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2019
             | 
            
                -0.20 / -1.02%
             |             
            
                19.55
             |           
            
                19.70
             |               
            
                19.30
             |                           
            
                19.35
             | 
            
                19.53
             |                     
            
                9.92
             |                                 
            
                225,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2019
             | 
            
                +0.20 / +1.03%
             |             
            
                19.35
             |           
            
                19.80
             |               
            
                19.15
             |                           
            
                19.55
             | 
            
                19.48
             |                     
            
                10.02
             |                                 
            
                357,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2019
             | 
            
                +0.30 / +1.57%
             |             
            
                19.05
             |           
            
                19.45
             |               
            
                19.05
             |                           
            
                19.35
             | 
            
                19.26
             |                     
            
                9.92
             |                                 
            
                357,260
             |  
            
                 
             |                                                              
             
    
         
    
    
 |