| 
                 
                    Closing price on 9/11/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.20 | 
                 
                
                    | High | 
                    23.60 | 
                 
                
                    | Low | 
                    23.20 | 
                     
                
                    | Volume | 
                    231,670 | 
                                 
                
                    | Split-adjusted Price | 
                    6.98 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/11/2014
             | 
            
                +0.10 / +0.43%
             |             
            
                23.20
             |           
            
                23.60
             |               
            
                23.20
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                6.98
             |                                 
            
                231,670
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2014
             | 
            
                +0.10 / +0.43%
             |             
            
                23.30
             |           
            
                23.50
             |               
            
                22.50
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                6.95
             |                                 
            
                449,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2014
             | 
            
                -0.50 / -2.11%
             |             
            
                23.70
             |           
            
                24.00
             |               
            
                22.80
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                6.92
             |                                 
            
                1,067,580
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2014
             | 
            
                +0.10 / +0.42%
             |             
            
                23.80
             |           
            
                24.10
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                7.07
             |                                 
            
                738,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2014
             | 
            
                +0.50 / +2.16%
             |             
            
                23.40
             |           
            
                23.70
             |               
            
                23.30
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                7.04
             |                                 
            
                746,780
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2014
             | 
            
                0.00 / 0.00%
             |             
            
                22.70
             |           
            
                23.20
             |               
            
                22.70
             |                           
            
                23.10
             | 
            
                23.10
             |                     
            
                6.89
             |                                 
            
                614,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2014
             | 
            
                +1.10 / +5.00%
             |             
            
                22.50
             |           
            
                23.10
             |               
            
                22.40
             |                           
            
                23.10
             | 
            
                23.10
             |                     
            
                6.89
             |                                 
            
                1,132,810
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2014
             | 
            
                -0.10 / -0.45%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                21.80
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                6.56
             |                                 
            
                787,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2014
             | 
            
                +0.50 / +2.31%
             |             
            
                21.60
             |           
            
                22.40
             |               
            
                21.50
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                6.59
             |                                 
            
                1,205,030
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2014
             | 
            
                -0.30 / -1.37%
             |             
            
                21.60
             |           
            
                21.90
             |               
            
                21.50
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                6.44
             |                                 
            
                393,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2014
             | 
            
                -0.10 / -0.45%
             |             
            
                21.80
             |           
            
                22.00
             |               
            
                21.50
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                6.53
             |                                 
            
                761,890
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2014
             | 
            
                +0.40 / +1.85%
             |             
            
                21.60
             |           
            
                22.60
             |               
            
                21.60
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                6.56
             |                                 
            
                783,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2014
             | 
            
                +0.80 / +3.85%
             |             
            
                20.90
             |           
            
                21.60
             |               
            
                20.90
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                6.44
             |                                 
            
                718,270
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2014
             | 
            
                +0.30 / +1.46%
             |             
            
                20.50
             |           
            
                21.10
             |               
            
                20.50
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                6.20
             |                                 
            
                823,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2014
             | 
            
                +0.20 / +0.99%
             |             
            
                20.30
             |           
            
                20.50
             |               
            
                20.30
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                6.11
             |                                 
            
                248,760
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2014
             | 
            
                -0.10 / -0.49%
             |             
            
                20.30
             |           
            
                20.70
             |               
            
                20.30
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                6.05
             |                                 
            
                646,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2014
             | 
            
                -0.40 / -1.92%
             |             
            
                20.70
             |           
            
                20.80
             |               
            
                20.40
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                6.08
             |                                 
            
                837,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2014
             | 
            
                -0.20 / -0.95%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                6.20
             |                                 
            
                647,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2014
             | 
            
                +0.30 / +1.45%
             |             
            
                20.60
             |           
            
                21.00
             |               
            
                20.60
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                6.26
             |                                 
            
                775,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2014
             | 
            
                -0.40 / -1.90%
             |             
            
                20.80
             |           
            
                21.00
             |               
            
                20.60
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                6.17
             |                                 
            
                828,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2014
             | 
            
                -0.60 / -2.76%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                20.90
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                6.29
             |                                 
            
                1,107,110
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2014
             | 
            
                -0.90 / -3.98%
             |             
            
                22.10
             |           
            
                22.40
             |               
            
                21.50
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                6.47
             |                                 
            
                821,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2014
             | 
            
                -0.20 / -0.88%
             |             
            
                22.90
             |           
            
                23.00
             |               
            
                22.60
             |                           
            
                22.60
             | 
            
                22.60
             |                     
            
                6.74
             |                                 
            
                821,160
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2014
             | 
            
                +0.10 / +0.44%
             |             
            
                22.60
             |           
            
                22.90
             |               
            
                22.60
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                6.80
             |                                 
            
                932,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2014
             | 
            
                +0.30 / +1.34%
             |             
            
                22.50
             |           
            
                22.90
             |               
            
                22.50
             |                           
            
                22.70
             | 
            
                22.70
             |                     
            
                6.77
             |                                 
            
                506,830
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2014
             | 
            
                +0.50 / +2.28%
             |             
            
                21.90
             |           
            
                22.40
             |               
            
                21.80
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                6.68
             |                                 
            
                424,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2014
             | 
            
                -0.10 / -0.45%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                21.50
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                6.53
             |                                 
            
                132,330
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2014
             | 
            
                +0.10 / +0.46%
             |             
            
                22.00
             |           
            
                22.10
             |               
            
                21.70
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                6.56
             |                                 
            
                363,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2014
             | 
            
                +0.30 / +1.39%
             |             
            
                21.50
             |           
            
                22.10
             |               
            
                21.50
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                6.53
             |                                 
            
                254,910
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2014
             | 
            
                -0.30 / -1.37%
             |             
            
                21.40
             |           
            
                21.90
             |               
            
                21.40
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                6.44
             |                                 
            
                298,560
             |  
            
                 
             |                                                              
             
    
         
    
    
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