| 
                 
                    Closing price on 8/11/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    22.10 | 
                 
                
                    | High | 
                    22.40 | 
                 
                
                    | Low | 
                    21.50 | 
                     
                
                    | Volume | 
                    821,400 | 
                                 
                
                    | Split-adjusted Price | 
                    6.47 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2014
             | 
            
                -0.20 / -0.90%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                21.20
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                6.53
             |                                 
            
                259,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2014
             | 
            
                -1.60 / -6.75%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                6.59
             |                                 
            
                785,780
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2014
             | 
            
                -0.20 / -0.84%
             |             
            
                23.80
             |           
            
                24.00
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                7.07
             |                                 
            
                499,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2014
             | 
            
                +0.30 / +1.27%
             |             
            
                23.60
             |           
            
                23.90
             |               
            
                23.60
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                7.13
             |                                 
            
                506,470
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2014
             | 
            
                -0.20 / -0.84%
             |             
            
                23.60
             |           
            
                23.60
             |               
            
                23.30
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                7.04
             |                                 
            
                790,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2014
             | 
            
                -0.30 / -1.24%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.70
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                6.89
             |                                 
            
                937,130
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2014
             | 
            
                +0.30 / +1.26%
             |             
            
                24.00
             |           
            
                24.10
             |               
            
                23.80
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                6.97
             |                                 
            
                1,248,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2014
             | 
            
                +0.80 / +3.48%
             |             
            
                23.10
             |           
            
                23.80
             |               
            
                23.00
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                6.89
             |                                 
            
                976,970
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2014
             | 
            
                +0.50 / +2.22%
             |             
            
                22.50
             |           
            
                23.00
             |               
            
                22.40
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                6.66
             |                                 
            
                699,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2014
             | 
            
                +0.20 / +0.90%
             |             
            
                22.60
             |           
            
                22.80
             |               
            
                22.40
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                6.51
             |                                 
            
                763,390
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2014
             | 
            
                +0.50 / +2.29%
             |             
            
                21.80
             |           
            
                22.40
             |               
            
                21.80
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                6.45
             |                                 
            
                716,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2014
             | 
            
                +0.50 / +2.35%
             |             
            
                21.00
             |           
            
                21.80
             |               
            
                21.00
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                6.31
             |                                 
            
                555,870
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2014
             | 
            
                +0.20 / +0.95%
             |             
            
                20.90
             |           
            
                21.30
             |               
            
                20.90
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                6.16
             |                                 
            
                374,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2014
             | 
            
                +0.20 / +0.96%
             |             
            
                20.90
             |           
            
                21.20
             |               
            
                20.80
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                6.11
             |                                 
            
                1,099,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2014
             | 
            
                0.00 / 0.00%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.80
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                6.05
             |                                 
            
                407,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2014
             | 
            
                -0.10 / -0.48%
             |             
            
                21.00
             |           
            
                21.10
             |               
            
                20.80
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                6.05
             |                                 
            
                208,880
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2014
             | 
            
                +0.40 / +1.94%
             |             
            
                20.60
             |           
            
                21.40
             |               
            
                20.60
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                6.08
             |                                 
            
                763,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/4/2014
             | 
            
                0.00 / 0.00%
             |             
            
                20.50
             |           
            
                20.80
             |               
            
                20.50
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                5.96
             |                                 
            
                350,990
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2014
             | 
            
                +0.10 / +0.49%
             |             
            
                20.50
             |           
            
                20.70
             |               
            
                20.50
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                5.96
             |                                 
            
                289,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2014
             | 
            
                +0.10 / +0.49%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                20.30
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                5.93
             |                                 
            
                186,250
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2014
             | 
            
                0.00 / 0.00%
             |             
            
                20.30
             |           
            
                20.60
             |               
            
                20.30
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                5.90
             |                                 
            
                234,180
             |  
            
                 
             |                                                              
             
    
         
    
    
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