| 
                 
                    Closing price on 11/28/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.20 | 
                 
                
                    | High | 
                    7.30 | 
                 
                
                    | Low | 
                    7.10 | 
                     
                
                    | Volume | 
                    123,000 | 
                                 
                
                    | Split-adjusted Price | 
                    4.64 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.14
             |                     
            
                4.64
             |                                 
            
                123,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2012
             | 
            
                +0.10 / +1.39%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.21
             |                     
            
                4.64
             |                                 
            
                33,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2012
             | 
            
                -0.30 / -4.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.10
             |                           
            
                7.20
             | 
            
                7.21
             |                     
            
                4.58
             |                                 
            
                77,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.39
             |                     
            
                4.77
             |                                 
            
                140,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2012
             | 
            
                -0.10 / -1.32%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.45
             |                     
            
                4.77
             |                                 
            
                47,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.10
             |                           
            
                7.60
             | 
            
                7.55
             |                     
            
                4.83
             |                                 
            
                55,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.60
             | 
            
                7.58
             |                     
            
                4.83
             |                                 
            
                116,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.90
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.55
             |                     
            
                4.83
             |                                 
            
                46,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2012
             | 
            
                +0.10 / +1.33%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.60
             | 
            
                7.48
             |                     
            
                4.83
             |                                 
            
                45,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.48
             |                     
            
                4.77
             |                                 
            
                55,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.56
             |                     
            
                4.77
             |                                 
            
                153,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2012
             | 
            
                -0.20 / -2.60%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.55
             |                     
            
                4.77
             |                                 
            
                84,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2012
             | 
            
                +0.20 / +2.67%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.70
             | 
            
                7.54
             |                     
            
                4.90
             |                                 
            
                129,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2012
             | 
            
                +0.10 / +1.35%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.43
             |                     
            
                4.77
             |                                 
            
                20,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2012
             | 
            
                -0.20 / -2.63%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.45
             |                     
            
                4.71
             |                                 
            
                52,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2012
             | 
            
                +0.10 / +1.33%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.61
             |                     
            
                4.83
             |                                 
            
                82,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2012
             | 
            
                -0.10 / -1.32%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.20
             |                           
            
                7.50
             | 
            
                7.43
             |                     
            
                4.77
             |                                 
            
                75,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2012
             | 
            
                -0.20 / -2.56%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.67
             |                     
            
                4.83
             |                                 
            
                53,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2012
             | 
            
                -0.40 / -4.88%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.79
             |                     
            
                4.96
             |                                 
            
                193,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.14
             |                     
            
                5.21
             |                                 
            
                38,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.15
             |                     
            
                5.21
             |                                 
            
                36,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.15
             |                     
            
                5.21
             |                                 
            
                45,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2012
             | 
            
                -0.10 / -1.20%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.17
             |                     
            
                5.21
             |                                 
            
                25,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2012
             | 
            
                +0.10 / +1.22%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.10
             |                           
            
                8.30
             | 
            
                8.20
             |                     
            
                5.28
             |                                 
            
                33,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2012
             | 
            
                -0.20 / -2.38%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.14
             |                     
            
                5.21
             |                                 
            
                82,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.40
             | 
            
                8.31
             |                     
            
                5.34
             |                                 
            
                45,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.36
             |                     
            
                5.34
             |                                 
            
                90,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2012
             | 
            
                -0.20 / -2.33%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                5.34
             |                                 
            
                86,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2012
             | 
            
                -0.20 / -2.27%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.40
             |                           
            
                8.60
             | 
            
                8.56
             |                     
            
                5.47
             |                                 
            
                233,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2012
             | 
            
                -0.10 / -1.12%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.70
             |                           
            
                8.80
             | 
            
                8.76
             |                     
            
                5.60
             |                                 
            
                65,100
             |  
            
                 
             |                                                              
             
    
         
    
    
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