| 
                 
                    Closing price on 5/7/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    27.00 | 
                 
                
                    | High | 
                    28.10 | 
                 
                
                    | Low | 
                    27.00 | 
                     
                
                    | Volume | 
                    584,110 | 
                                 
                
                    | Split-adjusted Price | 
                    14.35 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/7/2019
             | 
            
                +1.00 / +3.70%
             |             
            
                27.00
             |           
            
                28.10
             |               
            
                27.00
             |                           
            
                28.00
             | 
            
                27.51
             |                     
            
                14.35
             |                                 
            
                584,110
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2019
             | 
            
                -1.50 / -5.26%
             |             
            
                28.05
             |           
            
                28.05
             |               
            
                27.00
             |                           
            
                27.00
             | 
            
                27.48
             |                     
            
                13.84
             |                                 
            
                1,416,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2019
             | 
            
                +0.10 / +0.35%
             |             
            
                28.30
             |           
            
                28.85
             |               
            
                27.90
             |                           
            
                28.50
             | 
            
                28.46
             |                     
            
                14.60
             |                                 
            
                816,310
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2019
             | 
            
                +0.20 / +0.71%
             |             
            
                28.20
             |           
            
                28.50
             |               
            
                27.50
             |                           
            
                28.40
             | 
            
                28.15
             |                     
            
                14.55
             |                                 
            
                943,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2019
             | 
            
                +1.20 / +4.44%
             |             
            
                27.00
             |           
            
                28.20
             |               
            
                26.80
             |                           
            
                28.20
             | 
            
                27.58
             |                     
            
                14.45
             |                                 
            
                755,720
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                26.80
             |           
            
                27.90
             |               
            
                26.70
             |                           
            
                27.00
             | 
            
                27.21
             |                     
            
                13.84
             |                                 
            
                840,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2019
             | 
            
                -0.20 / -0.74%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                26.80
             |                           
            
                27.00
             | 
            
                27.09
             |                     
            
                13.84
             |                                 
            
                802,810
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2019
             | 
            
                +1.20 / +4.62%
             |             
            
                26.25
             |           
            
                27.25
             |               
            
                26.10
             |                           
            
                27.20
             | 
            
                26.89
             |                     
            
                13.94
             |                                 
            
                2,112,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2019
             | 
            
                +0.75 / +2.97%
             |             
            
                25.25
             |           
            
                26.50
             |               
            
                25.25
             |                           
            
                26.00
             | 
            
                25.82
             |                     
            
                13.32
             |                                 
            
                987,260
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2019
             | 
            
                -0.35 / -1.37%
             |             
            
                25.85
             |           
            
                25.85
             |               
            
                25.00
             |                           
            
                25.25
             | 
            
                25.41
             |                     
            
                12.94
             |                                 
            
                302,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2019
             | 
            
                +0.05 / +0.20%
             |             
            
                25.70
             |           
            
                26.20
             |               
            
                25.35
             |                           
            
                25.60
             | 
            
                25.75
             |                     
            
                13.12
             |                                 
            
                489,210
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2019
             | 
            
                +0.10 / +0.39%
             |             
            
                25.45
             |           
            
                26.70
             |               
            
                25.40
             |                           
            
                25.55
             | 
            
                25.93
             |                     
            
                13.09
             |                                 
            
                1,215,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2019
             | 
            
                +0.80 / +3.25%
             |             
            
                24.65
             |           
            
                25.70
             |               
            
                24.35
             |                           
            
                25.45
             | 
            
                25.16
             |                     
            
                13.04
             |                                 
            
                878,650
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2019
             | 
            
                +0.10 / +0.41%
             |             
            
                24.60
             |           
            
                24.80
             |               
            
                24.35
             |                           
            
                24.65
             | 
            
                24.52
             |                     
            
                12.63
             |                                 
            
                344,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2019
             | 
            
                +0.15 / +0.61%
             |             
            
                24.30
             |           
            
                24.70
             |               
            
                24.30
             |                           
            
                24.55
             | 
            
                24.51
             |                     
            
                12.58
             |                                 
            
                287,180
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2019
             | 
            
                -0.30 / -1.21%
             |             
            
                24.40
             |           
            
                24.70
             |               
            
                24.20
             |                           
            
                24.40
             | 
            
                24.44
             |                     
            
                12.50
             |                                 
            
                504,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2019
             | 
            
                -0.70 / -2.76%
             |             
            
                25.70
             |           
            
                25.70
             |               
            
                24.70
             |                           
            
                24.70
             | 
            
                25.09
             |                     
            
                12.66
             |                                 
            
                846,720
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2019
             | 
            
                +0.10 / +0.40%
             |             
            
                25.50
             |           
            
                25.70
             |               
            
                25.20
             |                           
            
                25.40
             | 
            
                25.33
             |                     
            
                13.02
             |                                 
            
                337,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2019
             | 
            
                -0.10 / -0.39%
             |             
            
                25.60
             |           
            
                25.70
             |               
            
                25.25
             |                           
            
                25.30
             | 
            
                25.46
             |                     
            
                12.96
             |                                 
            
                552,930
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2019
             | 
            
                +0.10 / +0.40%
             |             
            
                25.20
             |           
            
                25.90
             |               
            
                25.00
             |                           
            
                25.40
             | 
            
                25.48
             |                     
            
                13.02
             |                                 
            
                985,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2019
             | 
            
                +0.80 / +3.27%
             |             
            
                24.95
             |           
            
                25.30
             |               
            
                24.40
             |                           
            
                25.30
             | 
            
                24.96
             |                     
            
                12.96
             |                                 
            
                668,440
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                25.00
             |           
            
                25.10
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.81
             |                     
            
                12.55
             |                                 
            
                423,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2019
             | 
            
                +0.05 / +0.20%
             |             
            
                24.30
             |           
            
                24.55
             |               
            
                23.75
             |                           
            
                24.50
             | 
            
                24.15
             |                     
            
                12.55
             |                                 
            
                638,370
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2019
             | 
            
                -0.30 / -1.21%
             |             
            
                25.00
             |           
            
                25.10
             |               
            
                24.30
             |                           
            
                24.45
             | 
            
                24.79
             |                     
            
                12.53
             |                                 
            
                517,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2019
             | 
            
                +0.40 / +1.64%
             |             
            
                24.20
             |           
            
                24.80
             |               
            
                24.00
             |                           
            
                24.75
             | 
            
                24.61
             |                     
            
                12.68
             |                                 
            
                558,260
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2019
             | 
            
                +0.65 / +2.74%
             |             
            
                23.95
             |           
            
                24.80
             |               
            
                23.80
             |                           
            
                24.35
             | 
            
                24.37
             |                     
            
                12.48
             |                                 
            
                461,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2019
             | 
            
                +0.15 / +0.64%
             |             
            
                23.70
             |           
            
                24.20
             |               
            
                23.55
             |                           
            
                23.70
             | 
            
                23.76
             |                     
            
                12.14
             |                                 
            
                448,490
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2019
             | 
            
                -1.10 / -4.46%
             |             
            
                23.30
             |           
            
                24.20
             |               
            
                23.30
             |                           
            
                23.55
             | 
            
                23.62
             |                     
            
                12.07
             |                                 
            
                953,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2019
             | 
            
                +0.60 / +2.49%
             |             
            
                24.50
             |           
            
                25.10
             |               
            
                24.10
             |                           
            
                24.65
             | 
            
                24.52
             |                     
            
                12.63
             |                                 
            
                1,069,090
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2019
             | 
            
                -1.80 / -6.96%
             |             
            
                26.35
             |           
            
                26.35
             |               
            
                24.05
             |                           
            
                24.05
             | 
            
                25.35
             |                     
            
                12.32
             |                                 
            
                1,081,670
             |  
            
                 
             |                                                              
             
    
         
    
    
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