| 
                 
                    Closing price on 7/29/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    27.60 | 
                 
                
                    | High | 
                    28.00 | 
                 
                
                    | Low | 
                    26.90 | 
                     
                
                    | Volume | 
                    205,120 | 
                                 
                
                    | Split-adjusted Price | 
                    5.73 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PGD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/29/2013
             | 
            
                -1.00 / -3.57%
             |             
            
                27.60
             |           
            
                28.00
             |               
            
                26.90
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                5.73
             |                                 
            
                205,120
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                27.90
             |           
            
                28.20
             |               
            
                27.30
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                5.95
             |                                 
            
                257,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2013
             | 
            
                -0.50 / -1.75%
             |             
            
                28.60
             |           
            
                28.80
             |               
            
                28.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                5.95
             |                                 
            
                310,410
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2013
             | 
            
                -0.10 / -0.35%
             |             
            
                28.50
             |           
            
                28.60
             |               
            
                27.90
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                6.05
             |                                 
            
                216,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2013
             | 
            
                +0.20 / +0.70%
             |             
            
                28.20
             |           
            
                28.80
             |               
            
                28.20
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                6.07
             |                                 
            
                247,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2013
             | 
            
                -0.50 / -1.73%
             |             
            
                29.10
             |           
            
                29.40
             |               
            
                28.40
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                6.03
             |                                 
            
                87,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2013
             | 
            
                +0.50 / +1.76%
             |             
            
                28.20
             |           
            
                29.30
             |               
            
                28.20
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                6.14
             |                                 
            
                365,680
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2013
             | 
            
                +0.20 / +0.71%
             |             
            
                28.30
             |           
            
                29.20
             |               
            
                28.30
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                6.03
             |                                 
            
                707,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2013
             | 
            
                +0.10 / +0.36%
             |             
            
                27.80
             |           
            
                28.50
             |               
            
                27.80
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                5.99
             |                                 
            
                181,990
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2013
             | 
            
                +0.50 / +1.81%
             |             
            
                27.80
             |           
            
                28.80
             |               
            
                27.70
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                5.97
             |                                 
            
                425,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2013
             | 
            
                +1.10 / +4.15%
             |             
            
                26.80
             |           
            
                27.80
             |               
            
                26.80
             |                           
            
                27.60
             | 
            
                27.60
             |                     
            
                5.86
             |                                 
            
                462,540
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2013
             | 
            
                +0.80 / +3.11%
             |             
            
                25.90
             |           
            
                26.70
             |               
            
                25.70
             |                           
            
                26.50
             | 
            
                26.50
             |                     
            
                5.63
             |                                 
            
                261,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                25.90
             |           
            
                25.90
             |               
            
                25.60
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                5.46
             |                                 
            
                120,410
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2013
             | 
            
                +0.10 / +0.39%
             |             
            
                25.70
             |           
            
                25.80
             |               
            
                25.60
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                5.46
             |                                 
            
                87,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2013
             | 
            
                -0.20 / -0.78%
             |             
            
                25.60
             |           
            
                25.80
             |               
            
                25.50
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                5.44
             |                                 
            
                116,410
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2013
             | 
            
                +0.30 / +1.18%
             |             
            
                25.50
             |           
            
                25.80
             |               
            
                25.40
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                5.48
             |                                 
            
                128,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2013
             | 
            
                -0.20 / -0.78%
             |             
            
                25.90
             |           
            
                25.90
             |               
            
                25.50
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                5.41
             |                                 
            
                121,950
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2013
             | 
            
                +0.20 / +0.78%
             |             
            
                25.50
             |           
            
                25.80
             |               
            
                25.40
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                5.46
             |                                 
            
                112,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2013
             | 
            
                -0.40 / -1.54%
             |             
            
                25.70
             |           
            
                25.90
             |               
            
                25.50
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                5.41
             |                                 
            
                244,080
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2013
             | 
            
                +0.40 / +1.57%
             |             
            
                25.80
             |           
            
                26.10
             |               
            
                25.70
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                5.50
             |                                 
            
                199,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2013
             | 
            
                -0.40 / -1.54%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                25.40
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                5.41
             |                                 
            
                104,310
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2013
             | 
            
                +0.70 / +2.78%
             |             
            
                25.30
             |           
            
                26.10
             |               
            
                25.30
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                5.50
             |                                 
            
                427,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2013
             | 
            
                +0.20 / +0.80%
             |             
            
                25.00
             |           
            
                25.40
             |               
            
                24.90
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                5.35
             |                                 
            
                215,460
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2013
             | 
            
                +0.50 / +2.04%
             |             
            
                24.50
             |           
            
                25.00
             |               
            
                24.30
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                5.31
             |                                 
            
                233,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2013
             | 
            
                -1.30 / -5.04%
             |             
            
                25.80
             |           
            
                25.80
             |               
            
                24.20
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                5.20
             |                                 
            
                158,720
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2013
             | 
            
                +0.80 / +3.20%
             |             
            
                25.80
             |           
            
                26.00
             |               
            
                25.60
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                5.48
             |                                 
            
                36,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2013
             | 
            
                -1.80 / -6.72%
             |             
            
                27.20
             |           
            
                27.20
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                5.31
             |                                 
            
                1,184,730
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2013
             | 
            
                -0.20 / -0.74%
             |             
            
                27.00
             |           
            
                27.00
             |               
            
                26.80
             |                           
            
                26.80
             | 
            
                26.80
             |                     
            
                5.69
             |                                 
            
                3,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2013
             | 
            
                -0.10 / -0.37%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                26.90
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                5.73
             |                                 
            
                40,410
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2013
             | 
            
                +0.40 / +1.50%
             |             
            
                26.60
             |           
            
                27.10
             |               
            
                26.60
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                5.75
             |                                 
            
                11,680
             |  
            
                 
             |                                                              
             
    
         
    
    
 |