| 
                 
                    Closing price on 12/28/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.30 | 
                 
                
                    | High | 
                    29.30 | 
                 
                
                    | Low | 
                    28.40 | 
                     
                
                    | Volume | 
                    74,150 | 
                                 
                
                    | Split-adjusted Price | 
                    5.68 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PGD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/28/2012
             | 
            
                -0.50 / -1.72%
             |             
            
                29.30
             |           
            
                29.30
             |               
            
                28.40
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                5.68
             |                                 
            
                74,150
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2012
             | 
            
                +0.10 / +0.34%
             |             
            
                29.70
             |           
            
                29.70
             |               
            
                29.10
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                5.78
             |                                 
            
                113,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2012
             | 
            
                +0.40 / +1.40%
             |             
            
                28.70
             |           
            
                29.30
             |               
            
                28.70
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                5.76
             |                                 
            
                233,840
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2012
             | 
            
                +0.30 / +1.06%
             |             
            
                29.20
             |           
            
                29.20
             |               
            
                28.50
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                5.68
             |                                 
            
                171,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2012
             | 
            
                +0.40 / +1.43%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                27.90
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                5.63
             |                                 
            
                124,840
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2012
             | 
            
                -0.60 / -2.11%
             |             
            
                28.30
             |           
            
                28.30
             |               
            
                27.80
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                5.55
             |                                 
            
                178,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2012
             | 
            
                -0.50 / -1.72%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                28.30
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                5.67
             |                                 
            
                26,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2012
             | 
            
                -0.20 / -0.68%
             |             
            
                29.70
             |           
            
                29.70
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                5.76
             |                                 
            
                10,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                28.80
             |           
            
                29.20
             |               
            
                28.60
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                5.80
             |                                 
            
                49,170
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2012
             | 
            
                -0.70 / -2.34%
             |             
            
                29.20
             |           
            
                29.90
             |               
            
                29.20
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                5.80
             |                                 
            
                31,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                29.90
             |           
            
                30.20
             |               
            
                29.20
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                5.94
             |                                 
            
                319,120
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2012
             | 
            
                -0.30 / -0.99%
             |             
            
                30.20
             |           
            
                30.70
             |               
            
                29.10
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                5.94
             |                                 
            
                132,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2012
             | 
            
                +1.40 / +4.86%
             |             
            
                29.30
             |           
            
                30.20
             |               
            
                29.30
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                6.00
             |                                 
            
                305,590
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2012
             | 
            
                +1.20 / +4.35%
             |             
            
                27.70
             |           
            
                28.90
             |               
            
                27.70
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                5.72
             |                                 
            
                211,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2012
             | 
            
                +0.10 / +0.36%
             |             
            
                27.60
             |           
            
                27.70
             |               
            
                27.50
             |                           
            
                27.60
             | 
            
                27.60
             |                     
            
                5.49
             |                                 
            
                66,270
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2012
             | 
            
                -0.10 / -0.36%
             |             
            
                27.40
             |           
            
                27.70
             |               
            
                27.40
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                5.47
             |                                 
            
                68,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2012
             | 
            
                +0.10 / +0.36%
             |             
            
                27.60
             |           
            
                27.70
             |               
            
                27.50
             |                           
            
                27.60
             | 
            
                27.60
             |                     
            
                5.49
             |                                 
            
                56,350
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                27.70
             |           
            
                27.90
             |               
            
                27.40
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                5.47
             |                                 
            
                12,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2012
             | 
            
                +0.20 / +0.73%
             |             
            
                27.40
             |           
            
                27.60
             |               
            
                27.30
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                5.47
             |                                 
            
                23,960
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2012
             | 
            
                +0.30 / +1.11%
             |             
            
                27.20
             |           
            
                27.30
             |               
            
                26.90
             |                           
            
                27.30
             | 
            
                27.30
             |                     
            
                5.43
             |                                 
            
                42,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2012
             | 
            
                -0.40 / -1.46%
             |             
            
                27.20
             |           
            
                27.30
             |               
            
                27.00
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                5.37
             |                                 
            
                15,790
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                27.00
             |                           
            
                27.40
             | 
            
                27.40
             |                     
            
                5.45
             |                                 
            
                7,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                27.40
             |           
            
                27.80
             |               
            
                27.30
             |                           
            
                27.40
             | 
            
                27.40
             |                     
            
                5.45
             |                                 
            
                14,880
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2012
             | 
            
                +0.10 / +0.37%
             |             
            
                27.60
             |           
            
                27.70
             |               
            
                27.40
             |                           
            
                27.40
             | 
            
                27.40
             |                     
            
                5.45
             |                                 
            
                4,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2012
             | 
            
                +0.20 / +0.74%
             |             
            
                27.00
             |           
            
                27.80
             |               
            
                27.00
             |                           
            
                27.30
             | 
            
                27.30
             |                     
            
                5.43
             |                                 
            
                20,710
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2012
             | 
            
                -0.40 / -1.45%
             |             
            
                27.10
             |           
            
                27.40
             |               
            
                27.10
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                5.39
             |                                 
            
                42,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2012
             | 
            
                -0.80 / -2.83%
             |             
            
                28.50
             |           
            
                28.60
             |               
            
                27.50
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                5.47
             |                                 
            
                48,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2012
             | 
            
                -0.70 / -2.41%
             |             
            
                28.50
             |           
            
                28.80
             |               
            
                28.30
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                5.63
             |                                 
            
                11,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2012
             | 
            
                -0.40 / -1.36%
             |             
            
                29.40
             |           
            
                29.40
             |               
            
                28.50
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                5.76
             |                                 
            
                18,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2012
             | 
            
                +0.10 / +0.34%
             |             
            
                29.50
             |           
            
                29.80
             |               
            
                29.30
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                5.65
             |                                 
            
                23,020
             |  
            
                 
             |                                                              
             
    
         
    
    
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