| 
                 
                    Closing price on 12/28/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    18.10 | 
                 
                
                    | High | 
                    18.25 | 
                 
                
                    | Low | 
                    18.00 | 
                     
                
                    | Volume | 
                    180,650 | 
                                 
                
                    | Split-adjusted Price | 
                    9.28 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/28/2018
             | 
            
                +0.15 / +0.84%
             |             
            
                18.10
             |           
            
                18.25
             |               
            
                18.00
             |                           
            
                18.10
             | 
            
                18.15
             |                     
            
                9.28
             |                                 
            
                180,650
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2018
             | 
            
                +0.20 / +1.13%
             |             
            
                18.00
             |           
            
                18.10
             |               
            
                17.95
             |                           
            
                17.95
             | 
            
                18.00
             |                     
            
                9.20
             |                                 
            
                67,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                17.75
             |           
            
                18.00
             |               
            
                17.75
             |                           
            
                17.75
             | 
            
                17.81
             |                     
            
                9.10
             |                                 
            
                51,820
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2018
             | 
            
                -0.25 / -1.39%
             |             
            
                17.80
             |           
            
                18.00
             |               
            
                17.60
             |                           
            
                17.75
             | 
            
                17.78
             |                     
            
                9.10
             |                                 
            
                357,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2018
             | 
            
                -0.10 / -0.55%
             |             
            
                18.00
             |           
            
                18.20
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.09
             |                     
            
                9.22
             |                                 
            
                218,280
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2018
             | 
            
                -0.05 / -0.28%
             |             
            
                18.20
             |           
            
                18.20
             |               
            
                18.00
             |                           
            
                18.10
             | 
            
                18.08
             |                     
            
                9.28
             |                                 
            
                102,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2018
             | 
            
                +0.15 / +0.83%
             |             
            
                18.20
             |           
            
                18.20
             |               
            
                18.00
             |                           
            
                18.15
             | 
            
                18.01
             |                     
            
                9.30
             |                                 
            
                138,050
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2018
             | 
            
                -0.05 / -0.28%
             |             
            
                18.05
             |           
            
                18.10
             |               
            
                17.90
             |                           
            
                18.00
             | 
            
                18.01
             |                     
            
                9.22
             |                                 
            
                121,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2018
             | 
            
                -0.20 / -1.10%
             |             
            
                18.20
             |           
            
                18.20
             |               
            
                18.00
             |                           
            
                18.05
             | 
            
                18.04
             |                     
            
                9.25
             |                                 
            
                384,090
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2018
             | 
            
                -0.20 / -1.08%
             |             
            
                18.30
             |           
            
                18.35
             |               
            
                18.20
             |                           
            
                18.25
             | 
            
                18.29
             |                     
            
                9.35
             |                                 
            
                1,565,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2018
             | 
            
                0.00 / 0.00%
             |             
            
                18.60
             |           
            
                18.60
             |               
            
                18.25
             |                           
            
                18.45
             | 
            
                18.45
             |                     
            
                9.45
             |                                 
            
                291,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2018
             | 
            
                -0.25 / -1.34%
             |             
            
                18.70
             |           
            
                18.80
             |               
            
                18.45
             |                           
            
                18.45
             | 
            
                18.55
             |                     
            
                9.45
             |                                 
            
                304,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2018
             | 
            
                +0.70 / +3.89%
             |             
            
                18.00
             |           
            
                18.90
             |               
            
                18.00
             |                           
            
                18.70
             | 
            
                18.49
             |                     
            
                9.58
             |                                 
            
                248,130
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2018
             | 
            
                -1.45 / -7.46%
             |             
            
                18.25
             |           
            
                18.25
             |               
            
                17.80
             |                           
            
                18.00
             | 
            
                18.02
             |                     
            
                9.22
             |                                 
            
                199,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2018
             | 
            
                -0.25 / -1.27%
             |             
            
                19.75
             |           
            
                19.75
             |               
            
                19.40
             |                           
            
                19.45
             | 
            
                19.48
             |                     
            
                9.20
             |                                 
            
                303,130
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2018
             | 
            
                -0.10 / -0.51%
             |             
            
                19.65
             |           
            
                19.80
             |               
            
                19.65
             |                           
            
                19.70
             | 
            
                19.73
             |                     
            
                9.32
             |                                 
            
                273,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2018
             | 
            
                +0.05 / +0.25%
             |             
            
                19.85
             |           
            
                19.85
             |               
            
                19.65
             |                           
            
                19.80
             | 
            
                19.75
             |                     
            
                9.36
             |                                 
            
                246,420
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                19.70
             |           
            
                19.80
             |               
            
                19.50
             |                           
            
                19.75
             | 
            
                19.67
             |                     
            
                9.34
             |                                 
            
                240,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2018
             | 
            
                -0.05 / -0.25%
             |             
            
                19.90
             |           
            
                19.90
             |               
            
                19.65
             |                           
            
                19.75
             | 
            
                19.77
             |                     
            
                9.34
             |                                 
            
                245,960
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2018
             | 
            
                +0.60 / +3.13%
             |             
            
                19.30
             |           
            
                20.00
             |               
            
                19.30
             |                           
            
                19.80
             | 
            
                19.76
             |                     
            
                9.36
             |                                 
            
                3,396,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2018
             | 
            
                +0.20 / +1.05%
             |             
            
                19.00
             |           
            
                19.20
             |               
            
                18.90
             |                           
            
                19.20
             | 
            
                19.08
             |                     
            
                9.08
             |                                 
            
                207,570
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2018
             | 
            
                0.00 / 0.00%
             |             
            
                19.10
             |           
            
                19.25
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.07
             |                     
            
                8.99
             |                                 
            
                222,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2018
             | 
            
                +0.10 / +0.53%
             |             
            
                18.95
             |           
            
                19.10
             |               
            
                18.95
             |                           
            
                19.00
             | 
            
                19.06
             |                     
            
                8.99
             |                                 
            
                225,580
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                19.10
             |           
            
                19.20
             |               
            
                18.80
             |                           
            
                18.90
             | 
            
                18.97
             |                     
            
                8.94
             |                                 
            
                278,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2018
             | 
            
                +0.25 / +1.34%
             |             
            
                18.75
             |           
            
                18.90
             |               
            
                18.60
             |                           
            
                18.90
             | 
            
                18.79
             |                     
            
                8.94
             |                                 
            
                150,640
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2018
             | 
            
                -0.15 / -0.80%
             |             
            
                18.85
             |           
            
                18.85
             |               
            
                18.65
             |                           
            
                18.65
             | 
            
                18.72
             |                     
            
                8.82
             |                                 
            
                99,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2018
             | 
            
                +0.25 / +1.35%
             |             
            
                18.55
             |           
            
                18.90
             |               
            
                18.55
             |                           
            
                18.80
             | 
            
                18.82
             |                     
            
                8.89
             |                                 
            
                227,480
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                18.55
             |           
            
                18.65
             |               
            
                18.40
             |                           
            
                18.55
             | 
            
                18.55
             |                     
            
                8.77
             |                                 
            
                120,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2018
             | 
            
                +0.15 / +0.82%
             |             
            
                18.35
             |           
            
                18.70
             |               
            
                18.35
             |                           
            
                18.55
             | 
            
                18.55
             |                     
            
                8.77
             |                                 
            
                320,660
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                18.20
             |           
            
                18.50
             |               
            
                18.20
             |                           
            
                18.40
             | 
            
                18.35
             |                     
            
                8.70
             |                                 
            
                64,370
             |  
            
                 
             |                                                              
             
    
         
    
    
 |