| 
                 
                    Closing price on 5/31/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    8.20 | 
                 
                
                    | Low | 
                    8.20 | 
                     
                
                    | Volume | 
                    15,200 | 
                                 
                
                    | Split-adjusted Price | 
                    3.26 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PGI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/31/2013
             | 
            
                +0.10 / +1.23%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                3.26
             |                                 
            
                15,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2013
             | 
            
                +0.30 / +3.85%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                3.22
             |                                 
            
                1,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2013
             | 
            
                -0.20 / -2.50%
             |             
            
                7.80
             |           
            
                8.20
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                3.10
             |                                 
            
                8,170
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2013
             | 
            
                -0.10 / -1.23%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                3.18
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2013
             | 
            
                +0.20 / +2.53%
             |             
            
                7.90
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                3.22
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2013
             | 
            
                +0.20 / +2.60%
             |             
            
                7.70
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                3.14
             |                                 
            
                7,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                3.06
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2013
             | 
            
                +0.10 / +1.32%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                3.06
             |                                 
            
                29,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2013
             | 
            
                -0.30 / -3.80%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                3.02
             |                                 
            
                20,360
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2013
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                3.14
             |                                 
            
                60
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2013
             | 
            
                +0.50 / +6.67%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                3.18
             |                                 
            
                430
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2013
             | 
            
                -0.30 / -3.85%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.98
             |                                 
            
                29,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2013
             | 
            
                -0.50 / -6.02%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                3.10
             |                                 
            
                96,880
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2013
             | 
            
                -0.20 / -2.35%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                3.30
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2013
             | 
            
                +0.30 / +3.66%
             |             
            
                8.40
             |           
            
                8.50
             |               
            
                7.90
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                3.38
             |                                 
            
                140
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2013
             | 
            
                -0.20 / -2.38%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                3.26
             |                                 
            
                6,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2013
             | 
            
                +0.30 / +3.70%
             |             
            
                8.20
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                3.34
             |                                 
            
                29,630
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                3.22
             |                                 
            
                8,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2013
             | 
            
                -0.10 / -1.22%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                3.22
             |                                 
            
                51,980
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2013
             | 
            
                -0.20 / -2.38%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                3.26
             |                                 
            
                4,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2013
             | 
            
                -0.10 / -1.18%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                3.34
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2013
             | 
            
                +0.10 / +1.19%
             |             
            
                8.10
             |           
            
                8.50
             |               
            
                8.00
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                3.38
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2013
             | 
            
                -0.10 / -1.18%
             |             
            
                8.20
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                3.34
             |                                 
            
                870
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2013
             | 
            
                +0.40 / +4.94%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                3.38
             |                                 
            
                2,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2013
             | 
            
                -0.30 / -3.57%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                3.22
             |                                 
            
                3,030
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2013
             | 
            
                -0.10 / -1.18%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                3.34
             |                                 
            
                1,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2013
             | 
            
                -0.30 / -3.41%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                3.38
             |                                 
            
                170
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2013
             | 
            
                +0.30 / +3.53%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                3.50
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2013
             | 
            
                +0.30 / +3.66%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                3.38
             |                                 
            
                50
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2013
             | 
            
                -0.20 / -2.38%
             |             
            
                8.00
             |           
            
                8.60
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                3.26
             |                                 
            
                3,090
             |  
            
                 
             |                                                              
             
    
         
    
    
 |