| 
                 
                    Closing price on 4/10/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.00 | 
                 
                
                    | High | 
                    8.10 | 
                 
                
                    | Low | 
                    7.80 | 
                     
                
                    | Volume | 
                    154,500 | 
                                 
                
                    | Split-adjusted Price | 
                    5.45 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/10/2013
             | 
            
                -0.20 / -2.50%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.94
             |                     
            
                5.45
             |                                 
            
                154,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2013
             | 
            
                +0.10 / +1.27%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.04
             |                     
            
                5.59
             |                                 
            
                188,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2013
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.95
             |                     
            
                5.52
             |                                 
            
                70,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2013
             | 
            
                +0.20 / +2.56%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                7.89
             |                     
            
                5.59
             |                                 
            
                110,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2013
             | 
            
                -0.20 / -2.50%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.83
             |                     
            
                5.45
             |                                 
            
                82,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                7.88
             |                     
            
                5.59
             |                                 
            
                80,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2013
             | 
            
                -0.10 / -1.23%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.07
             |                     
            
                5.59
             |                                 
            
                157,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2013
             | 
            
                +0.30 / +3.85%
             |             
            
                7.90
             |           
            
                8.30
             |               
            
                7.80
             |                           
            
                8.10
             | 
            
                8.00
             |                     
            
                5.66
             |                                 
            
                156,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2013
             | 
            
                +0.10 / +1.30%
             |             
            
                7.60
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.80
             | 
            
                7.59
             |                     
            
                5.45
             |                                 
            
                160,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.79
             |                     
            
                5.38
             |                                 
            
                74,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2013
             | 
            
                -0.20 / -2.53%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.79
             |                     
            
                5.38
             |                                 
            
                120,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2013
             | 
            
                -0.20 / -2.47%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.94
             |                     
            
                5.52
             |                                 
            
                51,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.05
             |                     
            
                5.66
             |                                 
            
                138,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2013
             | 
            
                -0.10 / -1.22%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.05
             |                     
            
                5.66
             |                                 
            
                87,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.21
             |                     
            
                5.73
             |                                 
            
                129,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2013
             | 
            
                -0.70 / -7.87%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.26
             |                     
            
                5.73
             |                                 
            
                289,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.70
             |           
            
                8.90
             |               
            
                8.60
             |                           
            
                8.90
             | 
            
                8.75
             |                     
            
                5.66
             |                                 
            
                112,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2013
             | 
            
                -0.10 / -1.11%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.70
             |                           
            
                8.90
             | 
            
                8.82
             |                     
            
                5.66
             |                                 
            
                142,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                8.83
             |                     
            
                5.72
             |                                 
            
                297,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                8.93
             |                     
            
                5.72
             |                                 
            
                58,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2013
             | 
            
                -0.20 / -2.17%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                8.95
             |                     
            
                5.72
             |                                 
            
                264,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2013
             | 
            
                +0.60 / +6.98%
             |             
            
                8.60
             |           
            
                9.30
             |               
            
                8.50
             |                           
            
                9.20
             | 
            
                8.92
             |                     
            
                5.85
             |                                 
            
                722,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2013
             | 
            
                +0.30 / +3.61%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.30
             |                           
            
                8.60
             | 
            
                8.54
             |                     
            
                5.47
             |                                 
            
                168,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.36
             |                     
            
                5.28
             |                                 
            
                177,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2013
             | 
            
                -0.10 / -1.19%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.33
             |                     
            
                5.28
             |                                 
            
                81,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2013
             | 
            
                +0.20 / +2.44%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.40
             | 
            
                8.31
             |                     
            
                5.34
             |                                 
            
                90,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2013
             | 
            
                -0.10 / -1.20%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.23
             |                     
            
                5.21
             |                                 
            
                143,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2013
             | 
            
                -0.50 / -5.68%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.38
             |                     
            
                5.28
             |                                 
            
                201,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2013
             | 
            
                +0.20 / +2.33%
             |             
            
                8.70
             |           
            
                8.80
             |               
            
                8.60
             |                           
            
                8.80
             | 
            
                8.67
             |                     
            
                5.60
             |                                 
            
                245,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                8.70
             |           
            
                8.80
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.69
             |                     
            
                5.47
             |                                 
            
                306,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |