| 
                 
                    Closing price on 7/16/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    22.60 | 
                 
                
                    | High | 
                    22.80 | 
                 
                
                    | Low | 
                    22.40 | 
                     
                
                    | Volume | 
                    763,390 | 
                                 
                
                    | Split-adjusted Price | 
                    6.51 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/30/2014
             | 
            
                0.00 / 0.00%
             |             
            
                20.20
             |           
            
                20.60
             |               
            
                20.20
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                5.90
             |                                 
            
                546,570
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2014
             | 
            
                0.00 / 0.00%
             |             
            
                20.40
             |           
            
                20.50
             |               
            
                20.30
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                5.90
             |                                 
            
                197,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2014
             | 
            
                +0.10 / +0.49%
             |             
            
                20.50
             |           
            
                20.60
             |               
            
                20.30
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                5.90
             |                                 
            
                194,820
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2014
             | 
            
                +0.20 / +1.00%
             |             
            
                20.10
             |           
            
                20.40
             |               
            
                20.10
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                5.88
             |                                 
            
                241,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2014
             | 
            
                0.00 / 0.00%
             |             
            
                20.20
             |           
            
                20.30
             |               
            
                20.00
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                5.82
             |                                 
            
                229,960
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2014
             | 
            
                +0.50 / +2.55%
             |             
            
                20.00
             |           
            
                20.30
             |               
            
                20.00
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                5.82
             |                                 
            
                153,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2014
             | 
            
                -1.00 / -4.85%
             |             
            
                20.60
             |           
            
                20.80
             |               
            
                19.60
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                5.67
             |                                 
            
                547,210
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2014
             | 
            
                -0.20 / -0.96%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.20
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                5.96
             |                                 
            
                214,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2014
             | 
            
                0.00 / 0.00%
             |             
            
                20.80
             |           
            
                21.00
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                6.02
             |                                 
            
                194,930
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2014
             | 
            
                +0.10 / +0.48%
             |             
            
                20.70
             |           
            
                20.80
             |               
            
                20.70
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                6.02
             |                                 
            
                446,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/16/2014
             | 
            
                +0.10 / +0.49%
             |             
            
                20.90
             |           
            
                20.90
             |               
            
                20.60
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                5.99
             |                                 
            
                358,960
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2014
             | 
            
                0.00 / 0.00%
             |             
            
                20.50
             |           
            
                20.90
             |               
            
                20.50
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                5.96
             |                                 
            
                156,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2014
             | 
            
                -0.10 / -0.48%
             |             
            
                20.70
             |           
            
                20.90
             |               
            
                20.40
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                5.96
             |                                 
            
                119,130
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2014
             | 
            
                +0.20 / +0.98%
             |             
            
                20.50
             |           
            
                20.90
             |               
            
                20.40
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                5.99
             |                                 
            
                103,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2014
             | 
            
                -0.50 / -2.38%
             |             
            
                20.70
             |           
            
                21.00
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                5.93
             |                                 
            
                232,550
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2014
             | 
            
                -0.20 / -0.94%
             |             
            
                21.20
             |           
            
                21.30
             |               
            
                20.90
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                6.08
             |                                 
            
                207,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2014
             | 
            
                +0.40 / +1.92%
             |             
            
                20.80
             |           
            
                21.20
             |               
            
                20.60
             |                           
            
                21.20
             | 
            
                21.20
             |                     
            
                6.14
             |                                 
            
                105,150
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2014
             | 
            
                -0.20 / -0.95%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.60
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                6.02
             |                                 
            
                73,210
             |  
            
                 
             |                                                              
             
    
         
    
    
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