| 
                 
                    Closing price on 8/12/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.10 | 
                 
                
                    | High | 
                    4.20 | 
                 
                
                    | Low | 
                    4.00 | 
                     
                
                    | Volume | 
                    2,005,606 | 
                                 
                
                    | Split-adjusted Price | 
                    4.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVX Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/12/2013
             | 
            
                -0.10 / -2.44%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.08
             |                     
            
                4.00
             |                                 
            
                2,005,606
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.17
             |                     
            
                4.10
             |                                 
            
                1,335,831
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.15
             |                     
            
                4.10
             |                                 
            
                1,196,964
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2013
             | 
            
                -0.40 / -8.89%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.18
             |                     
            
                4.10
             |                                 
            
                6,696,238
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.49
             |                     
            
                4.50
             |                                 
            
                835,970
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2013
             | 
            
                -0.10 / -2.17%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.53
             |                     
            
                4.50
             |                                 
            
                1,082,462
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2013
             | 
            
                +0.10 / +2.22%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                1,204,911
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2013
             | 
            
                +0.10 / +2.27%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.53
             |                     
            
                4.50
             |                                 
            
                645,325
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2013
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.47
             |                     
            
                4.40
             |                                 
            
                769,055
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2013
             | 
            
                +0.10 / +2.27%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                950,328
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2013
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.44
             |                     
            
                4.40
             |                                 
            
                1,687,343
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.51
             |                     
            
                4.50
             |                                 
            
                1,433,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2013
             | 
            
                -0.20 / -4.26%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.60
             |                     
            
                4.50
             |                                 
            
                1,649,930
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2013
             | 
            
                -0.20 / -4.08%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.67
             |                     
            
                4.70
             |                                 
            
                2,514,005
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                4.90
             |                                 
            
                1,154,846
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.98
             |                     
            
                4.90
             |                                 
            
                1,400,645
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2013
             | 
            
                -0.20 / -3.92%
             |             
            
                4.90
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.99
             |                     
            
                4.90
             |                                 
            
                1,696,656
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2013
             | 
            
                +0.10 / +2.00%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.00
             |                     
            
                5.10
             |                                 
            
                2,197,305
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.06
             |                     
            
                5.00
             |                                 
            
                1,146,058
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2013
             | 
            
                -0.10 / -1.96%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.08
             |                     
            
                5.00
             |                                 
            
                1,269,303
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.00
             |                           
            
                5.10
             | 
            
                5.13
             |                     
            
                5.10
             |                                 
            
                2,570,105
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2013
             | 
            
                +0.20 / +4.08%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.04
             |                     
            
                5.10
             |                                 
            
                1,828,645
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                4.90
             |                                 
            
                1,126,445
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2013
             | 
            
                -0.10 / -2.00%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.99
             |                     
            
                4.90
             |                                 
            
                2,784,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                5.00
             |                                 
            
                697,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                5.00
             |                                 
            
                865,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.05
             |                     
            
                5.00
             |                                 
            
                2,524,016
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.02
             |                     
            
                5.00
             |                                 
            
                1,478,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2013
             | 
            
                -0.20 / -3.85%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.05
             |                     
            
                5.00
             |                                 
            
                1,868,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2013
             | 
            
                +0.10 / +1.96%
             |             
            
                5.10
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.20
             | 
            
                5.12
             |                     
            
                5.20
             |                                 
            
                1,405,438
             |  
            
                 
             |                                                              
             
    
         
    
    
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