| 
                 
                    Closing price on 3/25/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    32.10 | 
                 
                
                    | High | 
                    33.70 | 
                 
                
                    | Low | 
                    31.90 | 
                     
                
                    | Volume | 
                    15,010 | 
                                 
                
                    | Split-adjusted Price | 
                    6.70 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PGD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/25/2013
             | 
            
                +0.70 / +2.12%
             |             
            
                32.10
             |           
            
                33.70
             |               
            
                31.90
             |                           
            
                33.70
             | 
            
                33.70
             |                     
            
                6.70
             |                                 
            
                15,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2013
             | 
            
                -0.90 / -2.65%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                6.56
             |                                 
            
                41,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2013
             | 
            
                +0.40 / +1.19%
             |             
            
                33.60
             |           
            
                34.10
             |               
            
                33.50
             |                           
            
                33.90
             | 
            
                33.90
             |                     
            
                6.74
             |                                 
            
                85,660
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2013
             | 
            
                +1.10 / +3.40%
             |             
            
                32.40
             |           
            
                33.90
             |               
            
                32.40
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                6.66
             |                                 
            
                76,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2013
             | 
            
                +0.90 / +2.86%
             |             
            
                31.00
             |           
            
                32.60
             |               
            
                31.00
             |                           
            
                32.40
             | 
            
                32.40
             |                     
            
                6.44
             |                                 
            
                58,950
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2013
             | 
            
                +1.00 / +3.28%
             |             
            
                31.70
             |           
            
                31.70
             |               
            
                30.70
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                6.26
             |                                 
            
                2,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2013
             | 
            
                -1.30 / -4.09%
             |             
            
                32.00
             |           
            
                32.20
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                6.06
             |                                 
            
                121,670
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2013
             | 
            
                +0.80 / +2.58%
             |             
            
                30.60
             |           
            
                31.80
             |               
            
                30.60
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                6.32
             |                                 
            
                23,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                31.30
             |           
            
                31.30
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                6.16
             |                                 
            
                22,070
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2013
             | 
            
                -0.50 / -1.59%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                6.16
             |                                 
            
                1,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                31.00
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                6.26
             |                                 
            
                13,640
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2013
             | 
            
                +0.70 / +2.27%
             |             
            
                31.70
             |           
            
                31.70
             |               
            
                31.00
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                6.26
             |                                 
            
                6,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                31.90
             |           
            
                31.90
             |               
            
                30.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                6.12
             |                                 
            
                16,980
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2013
             | 
            
                -0.20 / -0.65%
             |             
            
                30.90
             |           
            
                30.90
             |               
            
                30.70
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                6.12
             |                                 
            
                15,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2013
             | 
            
                +0.30 / +0.98%
             |             
            
                30.70
             |           
            
                32.80
             |               
            
                30.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                6.16
             |                                 
            
                47,090
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2013
             | 
            
                -2.30 / -6.97%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                6.10
             |                                 
            
                17,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2013
             | 
            
                +1.60 / +5.10%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                6.56
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2013
             | 
            
                -0.50 / -1.57%
             |             
            
                32.00
             |           
            
                32.50
             |               
            
                31.40
             |                           
            
                31.40
             | 
            
                31.40
             |                     
            
                6.24
             |                                 
            
                3,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2013
             | 
            
                -0.10 / -0.31%
             |             
            
                31.90
             |           
            
                32.20
             |               
            
                31.90
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                6.34
             |                                 
            
                8,810
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2013
             | 
            
                -0.50 / -1.54%
             |             
            
                32.80
             |           
            
                32.80
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                6.36
             |                                 
            
                25,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2013
             | 
            
                +1.30 / +4.17%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                32.00
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                6.46
             |                                 
            
                4,160
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2013
             | 
            
                -0.80 / -2.50%
             |             
            
                32.00
             |           
            
                33.20
             |               
            
                31.00
             |                           
            
                31.20
             | 
            
                31.20
             |                     
            
                6.20
             |                                 
            
                30,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2013
             | 
            
                -1.50 / -4.48%
             |             
            
                33.20
             |           
            
                33.20
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                6.36
             |                                 
            
                44,980
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2013
             | 
            
                -0.20 / -0.59%
             |             
            
                33.10
             |           
            
                33.70
             |               
            
                33.10
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                6.66
             |                                 
            
                18,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2013
             | 
            
                -0.30 / -0.88%
             |             
            
                33.70
             |           
            
                33.70
             |               
            
                33.00
             |                           
            
                33.70
             | 
            
                33.70
             |                     
            
                6.70
             |                                 
            
                65,150
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2013
             | 
            
                +0.60 / +1.80%
             |             
            
                34.40
             |           
            
                34.40
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                6.76
             |                                 
            
                120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2013
             | 
            
                -0.40 / -1.18%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                33.40
             |                           
            
                33.40
             | 
            
                33.40
             |                     
            
                6.64
             |                                 
            
                3,960
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2013
             | 
            
                -0.60 / -1.74%
             |             
            
                34.80
             |           
            
                34.80
             |               
            
                32.50
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                6.72
             |                                 
            
                49,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2013
             | 
            
                +0.40 / +1.18%
             |             
            
                33.90
             |           
            
                34.50
             |               
            
                33.80
             |                           
            
                34.40
             | 
            
                34.40
             |                     
            
                6.84
             |                                 
            
                66,030
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2013
             | 
            
                -0.20 / -0.58%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                6.76
             |                                 
            
                270
             |  
            
                 
             |                                                              
             
    
         
    
    
 |