| 
                 
                    Closing price on 6/27/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.00 | 
                 
                
                    | High | 
                    25.40 | 
                 
                
                    | Low | 
                    24.90 | 
                     
                
                    | Volume | 
                    215,460 | 
                                 
                
                    | Split-adjusted Price | 
                    5.35 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PGD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2013
             | 
            
                -0.60 / -2.20%
             |             
            
                27.70
             |           
            
                27.80
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                5.67
             |                                 
            
                76,450
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2013
             | 
            
                -0.70 / -2.50%
             |             
            
                27.50
             |           
            
                28.00
             |               
            
                27.30
             |                           
            
                27.30
             | 
            
                27.30
             |                     
            
                5.80
             |                                 
            
                68,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2013
             | 
            
                +0.30 / +1.08%
             |             
            
                28.20
             |           
            
                28.20
             |               
            
                27.30
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                5.95
             |                                 
            
                123,890
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2013
             | 
            
                -0.50 / -1.77%
             |             
            
                28.20
             |           
            
                28.40
             |               
            
                27.70
             |                           
            
                27.70
             | 
            
                27.70
             |                     
            
                5.88
             |                                 
            
                69,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2013
             | 
            
                +0.20 / +0.71%
             |             
            
                28.40
             |           
            
                28.40
             |               
            
                28.00
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                5.99
             |                                 
            
                37,830
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2013
             | 
            
                -0.40 / -1.41%
             |             
            
                28.20
             |           
            
                28.60
             |               
            
                28.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                5.95
             |                                 
            
                267,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                28.30
             |           
            
                28.40
             |               
            
                28.00
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                6.03
             |                                 
            
                205,890
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2013
             | 
            
                +0.20 / +0.71%
             |             
            
                28.20
             |           
            
                28.70
             |               
            
                28.20
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                6.03
             |                                 
            
                79,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2013
             | 
            
                +0.10 / +0.36%
             |             
            
                28.30
             |           
            
                28.30
             |               
            
                28.00
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                5.99
             |                                 
            
                24,760
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2013
             | 
            
                -0.70 / -2.43%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.10
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                5.97
             |                                 
            
                109,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                28.80
             |           
            
                29.40
             |               
            
                28.30
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                6.12
             |                                 
            
                55,760
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2013
             | 
            
                -0.20 / -0.69%
             |             
            
                29.20
             |           
            
                29.50
             |               
            
                28.80
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                6.12
             |                                 
            
                73,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2013
             | 
            
                +1.00 / +3.57%
             |             
            
                28.20
             |           
            
                29.00
             |               
            
                28.10
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                6.16
             |                                 
            
                63,990
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                28.30
             |           
            
                28.80
             |               
            
                28.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                5.95
             |                                 
            
                60,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2013
             | 
            
                -0.80 / -2.78%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                28.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                5.95
             |                                 
            
                123,410
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2013
             | 
            
                +0.20 / +0.70%
             |             
            
                30.30
             |           
            
                30.30
             |               
            
                28.80
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                6.12
             |                                 
            
                45,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2013
             | 
            
                -2.70 / -8.63%
             |             
            
                29.80
             |           
            
                29.80
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                6.07
             |                                 
            
                75,680
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2013
             | 
            
                +0.30 / +0.97%
             |             
            
                31.40
             |           
            
                31.40
             |               
            
                31.00
             |                           
            
                31.30
             | 
            
                31.30
             |                     
            
                6.22
             |                                 
            
                11,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2013
             | 
            
                -0.10 / -0.32%
             |             
            
                31.40
             |           
            
                31.50
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                6.16
             |                                 
            
                91,360
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2013
             | 
            
                -0.30 / -0.96%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                31.10
             |                           
            
                31.10
             | 
            
                31.10
             |                     
            
                6.18
             |                                 
            
                17,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2013
             | 
            
                +0.20 / +0.64%
             |             
            
                31.40
             |           
            
                31.40
             |               
            
                31.20
             |                           
            
                31.40
             | 
            
                31.40
             |                     
            
                6.24
             |                                 
            
                25,240
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2013
             | 
            
                +0.20 / +0.65%
             |             
            
                31.80
             |           
            
                31.80
             |               
            
                31.00
             |                           
            
                31.20
             | 
            
                31.20
             |                     
            
                6.20
             |                                 
            
                56,620
             |  
            
                 
             |                                                              
             
    
         
    
    
 |