| 
                 
                    Closing price on 10/22/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    31.60 | 
                 
                
                    | High | 
                    31.60 | 
                 
                
                    | Low | 
                    30.70 | 
                     
                
                    | Volume | 
                    11,850 | 
                                 
                
                    | Split-adjusted Price | 
                    6.93 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PGD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/22/2013
             | 
            
                -0.10 / -0.32%
             |             
            
                31.60
             |           
            
                31.60
             |               
            
                30.70
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                6.93
             |                                 
            
                11,850
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2013
             | 
            
                +0.60 / +1.94%
             |             
            
                31.50
             |           
            
                31.80
             |               
            
                31.30
             |                           
            
                31.60
             | 
            
                31.60
             |                     
            
                6.95
             |                                 
            
                101,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2013
             | 
            
                +0.30 / +0.98%
             |             
            
                31.10
             |           
            
                31.10
             |               
            
                30.40
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                6.82
             |                                 
            
                6,090
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2013
             | 
            
                +0.30 / +0.99%
             |             
            
                31.40
             |           
            
                31.40
             |               
            
                30.50
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                6.75
             |                                 
            
                24,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.10
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                6.69
             |                                 
            
                18,830
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2013
             | 
            
                +0.40 / +1.33%
             |             
            
                30.00
             |           
            
                30.80
             |               
            
                30.00
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                6.69
             |                                 
            
                21,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2013
             | 
            
                -0.90 / -2.91%
             |             
            
                30.60
             |           
            
                30.80
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                6.60
             |                                 
            
                43,530
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2013
             | 
            
                +0.40 / +1.31%
             |             
            
                30.50
             |           
            
                31.20
             |               
            
                30.50
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                6.80
             |                                 
            
                10,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2013
             | 
            
                -1.00 / -3.17%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                6.71
             |                                 
            
                129,770
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2013
             | 
            
                -0.10 / -0.32%
             |             
            
                31.50
             |           
            
                31.60
             |               
            
                31.00
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                6.93
             |                                 
            
                57,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2013
             | 
            
                +0.10 / +0.32%
             |             
            
                31.50
             |           
            
                31.70
             |               
            
                31.30
             |                           
            
                31.60
             | 
            
                31.60
             |                     
            
                6.95
             |                                 
            
                80,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2013
             | 
            
                +0.50 / +1.61%
             |             
            
                30.80
             |           
            
                31.90
             |               
            
                30.80
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                6.93
             |                                 
            
                61,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                31.80
             |           
            
                31.80
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                6.82
             |                                 
            
                50,810
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2013
             | 
            
                -0.40 / -1.27%
             |             
            
                31.90
             |           
            
                31.90
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                6.82
             |                                 
            
                36,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2013
             | 
            
                +0.70 / +2.28%
             |             
            
                30.90
             |           
            
                31.50
             |               
            
                30.90
             |                           
            
                31.40
             | 
            
                31.40
             |                     
            
                6.91
             |                                 
            
                62,440
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2013
             | 
            
                -0.30 / -0.97%
             |             
            
                30.90
             |           
            
                31.50
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                6.75
             |                                 
            
                125,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2013
             | 
            
                +0.10 / +0.32%
             |             
            
                31.40
             |           
            
                31.40
             |               
            
                30.80
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                6.82
             |                                 
            
                32,680
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2013
             | 
            
                +0.50 / +1.64%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.50
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                6.80
             |                                 
            
                106,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2013
             | 
            
                +0.40 / +1.33%
             |             
            
                30.50
             |           
            
                30.80
             |               
            
                30.00
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                6.69
             |                                 
            
                84,620
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2013
             | 
            
                -0.90 / -2.91%
             |             
            
                30.90
             |           
            
                31.30
             |               
            
                30.00
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                6.60
             |                                 
            
                179,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2013
             | 
            
                +0.90 / +3.00%
             |             
            
                30.00
             |           
            
                31.30
             |               
            
                30.00
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                6.80
             |                                 
            
                182,810
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2013
             | 
            
                +0.90 / +3.09%
             |             
            
                29.30
             |           
            
                30.50
             |               
            
                29.10
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                6.60
             |                                 
            
                118,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2013
             | 
            
                0.00 / 0.00%
             |             
            
                29.30
             |           
            
                29.30
             |               
            
                29.10
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                6.40
             |                                 
            
                49,010
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2013
             | 
            
                +0.10 / +0.34%
             |             
            
                29.20
             |           
            
                29.40
             |               
            
                28.90
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                6.40
             |                                 
            
                123,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                29.00
             |           
            
                29.20
             |               
            
                28.90
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                6.38
             |                                 
            
                65,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2013
             | 
            
                +0.20 / +0.69%
             |             
            
                28.90
             |           
            
                29.00
             |               
            
                28.70
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                6.38
             |                                 
            
                27,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2013
             | 
            
                -0.40 / -1.37%
             |             
            
                29.30
             |           
            
                29.30
             |               
            
                28.80
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                6.34
             |                                 
            
                40,670
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                29.30
             |           
            
                29.40
             |               
            
                29.20
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                6.42
             |                                 
            
                110,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2013
             | 
            
                -0.10 / -0.34%
             |             
            
                29.10
             |           
            
                29.40
             |               
            
                29.10
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                6.42
             |                                 
            
                64,370
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2013
             | 
            
                -0.10 / -0.34%
             |             
            
                29.60
             |           
            
                29.60
             |               
            
                29.00
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                6.45
             |                                 
            
                19,860
             |  
            
                 
             |                                                              
             
    
         
    
    
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