| 
                 
                    Closing price on 12/22/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.90 | 
                 
                
                    | High | 
                    26.90 | 
                 
                
                    | Low | 
                    25.80 | 
                     
                
                    | Volume | 
                    345,810 | 
                                 
                
                    | Split-adjusted Price | 
                    8.02 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/22/2014
             | 
            
                +1.70 / +6.75%
             |             
            
                25.90
             |           
            
                26.90
             |               
            
                25.80
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                8.02
             |                                 
            
                345,810
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2014
             | 
            
                -0.30 / -1.18%
             |             
            
                25.50
             |           
            
                26.50
             |               
            
                25.20
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                7.51
             |                                 
            
                3,083,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2014
             | 
            
                +0.20 / +0.79%
             |             
            
                25.30
             |           
            
                25.90
             |               
            
                24.70
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                7.60
             |                                 
            
                1,276,560
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2014
             | 
            
                -0.60 / -2.32%
             |             
            
                26.00
             |           
            
                26.50
             |               
            
                24.40
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                7.54
             |                                 
            
                922,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2014
             | 
            
                -1.00 / -3.72%
             |             
            
                26.60
             |           
            
                26.60
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                7.72
             |                                 
            
                634,020
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2014
             | 
            
                -1.30 / -4.61%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                26.80
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                8.02
             |                                 
            
                1,004,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2014
             | 
            
                0.00 / 0.00%
             |             
            
                28.20
             |           
            
                28.50
             |               
            
                27.90
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                8.41
             |                                 
            
                189,090
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2014
             | 
            
                -0.40 / -1.40%
             |             
            
                28.10
             |           
            
                29.20
             |               
            
                28.00
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                8.41
             |                                 
            
                816,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2014
             | 
            
                +1.80 / +6.72%
             |             
            
                26.40
             |           
            
                28.60
             |               
            
                26.40
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                8.53
             |                                 
            
                924,720
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2014
             | 
            
                -0.30 / -1.11%
             |             
            
                27.00
             |           
            
                27.20
             |               
            
                26.60
             |                           
            
                26.80
             | 
            
                26.80
             |                     
            
                7.99
             |                                 
            
                787,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2014
             | 
            
                +0.30 / +1.12%
             |             
            
                26.80
             |           
            
                27.40
             |               
            
                26.80
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                8.08
             |                                 
            
                779,720
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2014
             | 
            
                +1.00 / +3.88%
             |             
            
                26.00
             |           
            
                26.90
             |               
            
                25.70
             |                           
            
                26.80
             | 
            
                26.80
             |                     
            
                7.99
             |                                 
            
                811,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2014
             | 
            
                +0.30 / +1.18%
             |             
            
                25.40
             |           
            
                25.90
             |               
            
                25.40
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                7.69
             |                                 
            
                305,920
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2014
             | 
            
                +0.30 / +1.19%
             |             
            
                25.20
             |           
            
                25.80
             |               
            
                25.20
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                7.60
             |                                 
            
                204,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2014
             | 
            
                0.00 / 0.00%
             |             
            
                25.20
             |           
            
                25.30
             |               
            
                25.00
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                7.51
             |                                 
            
                159,970
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2014
             | 
            
                +0.10 / +0.40%
             |             
            
                25.20
             |           
            
                25.50
             |               
            
                25.00
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                7.51
             |                                 
            
                135,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2014
             | 
            
                -0.40 / -1.57%
             |             
            
                25.50
             |           
            
                25.50
             |               
            
                25.00
             |                           
            
                25.10
             | 
            
                25.10
             |                     
            
                7.48
             |                                 
            
                69,810
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2014
             | 
            
                +0.40 / +1.59%
             |             
            
                25.10
             |           
            
                25.50
             |               
            
                24.70
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                7.60
             |                                 
            
                100,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2014
             | 
            
                +0.20 / +0.80%
             |             
            
                24.90
             |           
            
                26.00
             |               
            
                24.90
             |                           
            
                25.10
             | 
            
                25.10
             |                     
            
                7.48
             |                                 
            
                526,450
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2014
             | 
            
                +0.10 / +0.40%
             |             
            
                24.60
             |           
            
                25.10
             |               
            
                24.60
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                7.42
             |                                 
            
                176,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2014
             | 
            
                -0.20 / -0.80%
             |             
            
                24.80
             |           
            
                25.00
             |               
            
                24.40
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                7.39
             |                                 
            
                110,930
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2014
             | 
            
                -0.30 / -1.19%
             |             
            
                25.30
             |           
            
                25.40
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                7.45
             |                                 
            
                159,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2014
             | 
            
                +0.90 / +3.69%
             |             
            
                24.50
             |           
            
                25.40
             |               
            
                24.50
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                7.54
             |                                 
            
                190,460
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2014
             | 
            
                0.00 / 0.00%
             |             
            
                24.50
             |           
            
                24.70
             |               
            
                24.30
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                7.28
             |                                 
            
                141,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2014
             | 
            
                -0.40 / -1.61%
             |             
            
                24.60
             |           
            
                24.80
             |               
            
                24.40
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                7.28
             |                                 
            
                210,070
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2014
             | 
            
                -0.10 / -0.40%
             |             
            
                24.60
             |           
            
                24.90
             |               
            
                24.60
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                7.39
             |                                 
            
                89,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2014
             | 
            
                -0.20 / -0.80%
             |             
            
                24.90
             |           
            
                25.10
             |               
            
                24.40
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                7.42
             |                                 
            
                271,290
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2014
             | 
            
                -0.30 / -1.18%
             |             
            
                25.40
             |           
            
                25.40
             |               
            
                25.00
             |                           
            
                25.10
             | 
            
                25.10
             |                     
            
                7.48
             |                                 
            
                252,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2014
             | 
            
                +0.20 / +0.79%
             |             
            
                25.20
             |           
            
                25.50
             |               
            
                25.20
             |                           
            
                25.40
             | 
            
                25.40
             |                     
            
                7.57
             |                                 
            
                86,550
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2014
             | 
            
                -0.40 / -1.56%
             |             
            
                25.10
             |           
            
                25.60
             |               
            
                25.10
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                7.51
             |                                 
            
                172,690
             |  
            
                 
             |                                                              
             
    
         
    
    
 |