| 
                 
                    Closing price on 5/9/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.00 | 
                 
                
                    | High | 
                    20.30 | 
                 
                
                    | Low | 
                    18.90 | 
                     
                
                    | Volume | 
                    787,660 | 
                                 
                
                    | Split-adjusted Price | 
                    5.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/9/2014
             | 
            
                +1.30 / +6.84%
             |             
            
                19.00
             |           
            
                20.30
             |               
            
                18.90
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                5.63
             |                                 
            
                787,660
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2014
             | 
            
                -1.40 / -6.86%
             |             
            
                20.30
             |           
            
                20.30
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                5.27
             |                                 
            
                1,341,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2014
             | 
            
                +0.60 / +3.03%
             |             
            
                20.00
             |           
            
                20.40
             |               
            
                19.90
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                5.66
             |                                 
            
                357,970
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2014
             | 
            
                -0.30 / -1.49%
             |             
            
                20.10
             |           
            
                20.10
             |               
            
                19.40
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                5.49
             |                                 
            
                608,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2014
             | 
            
                -0.70 / -3.37%
             |             
            
                20.80
             |           
            
                20.80
             |               
            
                19.80
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                5.57
             |                                 
            
                305,470
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2014
             | 
            
                +0.10 / +0.48%
             |             
            
                20.70
             |           
            
                20.80
             |               
            
                20.50
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                5.77
             |                                 
            
                165,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2014
             | 
            
                -0.10 / -0.48%
             |             
            
                20.80
             |           
            
                20.90
             |               
            
                20.70
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                5.74
             |                                 
            
                419,550
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2014
             | 
            
                -0.20 / -0.95%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                5.77
             |                                 
            
                376,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2014
             | 
            
                -0.10 / -0.47%
             |             
            
                21.00
             |           
            
                21.20
             |               
            
                20.80
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                5.82
             |                                 
            
                390,220
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2014
             | 
            
                -0.20 / -0.94%
             |             
            
                21.40
             |           
            
                21.40
             |               
            
                21.10
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                5.85
             |                                 
            
                514,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2014
             | 
            
                +1.10 / +5.45%
             |             
            
                20.30
             |           
            
                21.30
             |               
            
                20.10
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                5.91
             |                                 
            
                635,990
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2014
             | 
            
                -0.80 / -3.81%
             |             
            
                20.50
             |           
            
                21.00
             |               
            
                20.20
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                5.60
             |                                 
            
                782,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2014
             | 
            
                -1.10 / -4.98%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                20.90
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                5.82
             |                                 
            
                871,570
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2014
             | 
            
                +0.10 / +0.45%
             |             
            
                22.10
             |           
            
                22.30
             |               
            
                22.00
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                6.13
             |                                 
            
                321,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2014
             | 
            
                -0.50 / -2.22%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                21.20
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                6.10
             |                                 
            
                769,380
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2014
             | 
            
                -0.40 / -1.75%
             |             
            
                22.90
             |           
            
                22.90
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                6.24
             |                                 
            
                1,067,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2014
             | 
            
                -0.10 / -0.43%
             |             
            
                23.10
             |           
            
                23.10
             |               
            
                22.80
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                6.35
             |                                 
            
                312,250
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2014
             | 
            
                0.00 / 0.00%
             |             
            
                23.10
             |           
            
                23.10
             |               
            
                22.90
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                6.38
             |                                 
            
                527,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2014
             | 
            
                -0.30 / -1.29%
             |             
            
                23.40
             |           
            
                23.50
             |               
            
                22.90
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                6.38
             |                                 
            
                891,380
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2014
             | 
            
                -0.10 / -0.43%
             |             
            
                23.40
             |           
            
                23.50
             |               
            
                23.20
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                6.46
             |                                 
            
                602,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2014
             | 
            
                +0.10 / +0.43%
             |             
            
                23.40
             |           
            
                23.50
             |               
            
                23.30
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                6.49
             |                                 
            
                463,710
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2014
             | 
            
                +0.40 / +1.75%
             |             
            
                23.10
             |           
            
                23.60
             |               
            
                23.00
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                6.46
             |                                 
            
                937,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2014
             | 
            
                +0.40 / +1.78%
             |             
            
                22.60
             |           
            
                23.00
             |               
            
                22.60
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                6.35
             |                                 
            
                435,610
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2014
             | 
            
                -0.20 / -0.88%
             |             
            
                22.70
             |           
            
                23.00
             |               
            
                22.30
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                6.24
             |                                 
            
                1,020,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2014
             | 
            
                -0.70 / -2.99%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                22.70
             |                           
            
                22.70
             | 
            
                22.70
             |                     
            
                6.29
             |                                 
            
                984,570
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2014
             | 
            
                -0.40 / -1.68%
             |             
            
                23.80
             |           
            
                23.90
             |               
            
                23.40
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                6.49
             |                                 
            
                544,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2014
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.10
             |               
            
                23.70
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                6.60
             |                                 
            
                820,670
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2014
             | 
            
                +0.10 / +0.42%
             |             
            
                23.80
             |           
            
                24.10
             |               
            
                23.40
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                6.60
             |                                 
            
                893,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2014
             | 
            
                -0.40 / -1.66%
             |             
            
                24.20
             |           
            
                24.20
             |               
            
                23.40
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                6.57
             |                                 
            
                2,150,410
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2014
             | 
            
                -0.60 / -2.43%
             |             
            
                24.70
             |           
            
                24.80
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                6.68
             |                                 
            
                1,317,460
             |  
            
                 
             |                                                              
             
    
         
    
    
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