| 
                 
                    Closing price on 9/15/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.00 | 
                 
                
                    | High | 
                    9.20 | 
                 
                
                    | Low | 
                    8.70 | 
                     
                
                    | Volume | 
                    80,180 | 
                                 
                
                    | Split-adjusted Price | 
                    2.78 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PGI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/15/2011
             | 
            
                +0.20 / +2.22%
             |             
            
                9.00
             |           
            
                9.20
             |               
            
                8.70
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                2.78
             |                                 
            
                80,180
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2011
             | 
            
                -0.40 / -4.26%
             |             
            
                9.30
             |           
            
                9.50
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.72
             |                                 
            
                54,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.50
             |               
            
                9.00
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                2.84
             |                                 
            
                46,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2011
             | 
            
                +0.40 / +4.44%
             |             
            
                9.20
             |           
            
                9.40
             |               
            
                9.10
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                2.84
             |                                 
            
                50,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2011
             | 
            
                +0.20 / +2.27%
             |             
            
                8.50
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.72
             |                                 
            
                36,320
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2011
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                9.10
             |               
            
                8.60
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                2.66
             |                                 
            
                25,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2011
             | 
            
                +0.40 / +4.76%
             |             
            
                8.70
             |           
            
                8.80
             |               
            
                8.70
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                2.66
             |                                 
            
                91,660
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2011
             | 
            
                -0.20 / -2.33%
             |             
            
                8.30
             |           
            
                8.70
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                2.54
             |                                 
            
                42,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2011
             | 
            
                -0.40 / -4.44%
             |             
            
                8.70
             |           
            
                8.90
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                2.60
             |                                 
            
                57,550
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2011
             | 
            
                +0.40 / +4.65%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.72
             |                                 
            
                97,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2011
             | 
            
                +0.40 / +4.88%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.50
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                2.60
             |                                 
            
                119,870
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2011
             | 
            
                +0.30 / +3.80%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                2.48
             |                                 
            
                16,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2011
             | 
            
                +0.30 / +3.95%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                2.39
             |                                 
            
                88,220
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2011
             | 
            
                +0.30 / +4.11%
             |             
            
                7.20
             |           
            
                7.60
             |               
            
                7.20
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                2.29
             |                                 
            
                93,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2011
             | 
            
                +0.20 / +2.82%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.20
             |                                 
            
                69,830
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2011
             | 
            
                -0.10 / -1.39%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.14
             |                                 
            
                61,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2011
             | 
            
                -0.30 / -4.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.17
             |                                 
            
                95,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2011
             | 
            
                +0.30 / +4.17%
             |             
            
                7.20
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.26
             |                                 
            
                180,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.17
             |                                 
            
                17,230
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2011
             | 
            
                +0.30 / +4.35%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.17
             |                                 
            
                83,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2011
             | 
            
                +0.20 / +2.99%
             |             
            
                6.60
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.08
             |                                 
            
                58,370
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2011
             | 
            
                -0.10 / -1.47%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.02
             |                                 
            
                37,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2011
             | 
            
                -0.20 / -2.86%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.05
             |                                 
            
                54,560
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2011
             | 
            
                +0.10 / +1.45%
             |             
            
                6.60
             |           
            
                7.20
             |               
            
                6.60
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.11
             |                                 
            
                61,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2011
             | 
            
                -0.30 / -4.17%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.08
             |                                 
            
                21,450
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2011
             | 
            
                -0.30 / -4.00%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.17
             |                                 
            
                53,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2011
             | 
            
                -0.30 / -3.85%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.26
             |                                 
            
                3,020
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2011
             | 
            
                -0.40 / -4.88%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.36
             |                                 
            
                1,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2011
             | 
            
                -0.40 / -4.65%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                2.48
             |                                 
            
                2,010
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2011
             | 
            
                -0.40 / -4.44%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                2.60
             |                                 
            
                10,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |