| 
                 
                    Closing price on 6/19/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    34.00 | 
                 
                
                    | High | 
                    34.40 | 
                 
                
                    | Low | 
                    32.40 | 
                     
                
                    | Volume | 
                    47,100 | 
                                 
                
                    | Split-adjusted Price | 
                    6.28 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PGD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/19/2012
             | 
            
                -0.10 / -0.29%
             |             
            
                34.00
             |           
            
                34.40
             |               
            
                32.40
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                6.28
             |                                 
            
                47,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2012
             | 
            
                -0.70 / -2.01%
             |             
            
                33.50
             |           
            
                34.30
             |               
            
                33.10
             |                           
            
                34.10
             | 
            
                34.10
             |                     
            
                6.29
             |                                 
            
                5,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2012
             | 
            
                +0.70 / +2.05%
             |             
            
                34.80
             |           
            
                35.00
             |               
            
                32.40
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                6.42
             |                                 
            
                180
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2012
             | 
            
                +1.00 / +3.02%
             |             
            
                34.60
             |           
            
                34.60
             |               
            
                32.50
             |                           
            
                34.10
             | 
            
                34.10
             |                     
            
                6.29
             |                                 
            
                2,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2012
             | 
            
                -1.40 / -4.06%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                33.10
             |                     
            
                6.11
             |                                 
            
                199,550
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2012
             | 
            
                -0.30 / -0.86%
             |             
            
                33.30
             |           
            
                34.60
             |               
            
                33.20
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                6.37
             |                                 
            
                1,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                35.30
             |           
            
                35.30
             |               
            
                33.10
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                6.42
             |                                 
            
                6,070
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2012
             | 
            
                -0.20 / -0.57%
             |             
            
                34.20
             |           
            
                34.80
             |               
            
                34.00
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                6.42
             |                                 
            
                2,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2012
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.90
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                6.46
             |                                 
            
                1,110
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2012
             | 
            
                +1.40 / +4.17%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                6.46
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2012
             | 
            
                +1.00 / +3.07%
             |             
            
                34.20
             |           
            
                34.20
             |               
            
                32.60
             |                           
            
                33.60
             | 
            
                33.60
             |                     
            
                6.20
             |                                 
            
                5,450
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2012
             | 
            
                -1.60 / -4.68%
             |             
            
                33.00
             |           
            
                33.80
             |               
            
                32.50
             |                           
            
                32.60
             | 
            
                32.60
             |                     
            
                6.02
             |                                 
            
                5,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2012
             | 
            
                -1.80 / -5.00%
             |             
            
                34.30
             |           
            
                34.80
             |               
            
                34.20
             |                           
            
                34.20
             | 
            
                34.20
             |                     
            
                6.31
             |                                 
            
                11,480
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2012
             | 
            
                +1.20 / +3.45%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                36.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                6.65
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2012
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.80
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                6.42
             |                                 
            
                2,240
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2012
             | 
            
                -0.20 / -0.57%
             |             
            
                34.00
             |           
            
                35.00
             |               
            
                33.60
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                6.42
             |                                 
            
                630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2012
             | 
            
                +0.10 / +0.29%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                6.46
             |                                 
            
                15,030
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2012
             | 
            
                +1.40 / +4.18%
             |             
            
                33.50
             |           
            
                35.00
             |               
            
                33.50
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                6.44
             |                                 
            
                19,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2012
             | 
            
                -1.50 / -4.29%
             |             
            
                34.90
             |           
            
                35.10
             |               
            
                33.50
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                6.18
             |                                 
            
                41,970
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                34.10
             |           
            
                35.00
             |               
            
                34.10
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                6.46
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2012
             | 
            
                -0.40 / -1.13%
             |             
            
                34.10
             |           
            
                35.20
             |               
            
                34.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                6.46
             |                                 
            
                19,610
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2012
             | 
            
                +1.60 / +4.73%
             |             
            
                34.20
             |           
            
                35.40
             |               
            
                33.10
             |                           
            
                35.40
             | 
            
                35.40
             |                     
            
                6.53
             |                                 
            
                34,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2012
             | 
            
                -0.20 / -0.59%
             |             
            
                33.30
             |           
            
                34.20
             |               
            
                33.10
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                6.24
             |                                 
            
                46,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2012
             | 
            
                -0.50 / -1.45%
             |             
            
                35.90
             |           
            
                35.90
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                6.28
             |                                 
            
                9,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2012
             | 
            
                +0.50 / +1.47%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                33.10
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                6.37
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2012
             | 
            
                -1.70 / -4.76%
             |             
            
                34.20
             |           
            
                35.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                6.28
             |                                 
            
                17,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2012
             | 
            
                -0.30 / -0.83%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                34.20
             |                           
            
                35.70
             | 
            
                35.70
             |                     
            
                6.59
             |                                 
            
                27,420
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2012
             | 
            
                -0.80 / -2.17%
             |             
            
                36.20
             |           
            
                36.40
             |               
            
                35.10
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                6.65
             |                                 
            
                36,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2012
             | 
            
                -0.60 / -1.60%
             |             
            
                35.90
             |           
            
                37.40
             |               
            
                35.90
             |                           
            
                36.80
             | 
            
                36.80
             |                     
            
                6.79
             |                                 
            
                8,680
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                36.10
             |                           
            
                37.40
             | 
            
                37.40
             |                     
            
                6.90
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
         
    
    
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