| 
                 
                    Closing price on 9/17/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.30 | 
                 
                
                    | High | 
                    3.30 | 
                 
                
                    | Low | 
                    3.00 | 
                     
                
                    | Volume | 
                    4,443,603 | 
                                 
                
                    | Split-adjusted Price | 
                    3.10 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVX Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/17/2013
             | 
            
                -0.20 / -6.06%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.08
             |                     
            
                3.10
             |                                 
            
                4,443,603
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2013
             | 
            
                -0.20 / -5.71%
             |             
            
                3.20
             |           
            
                3.50
             |               
            
                3.20
             |                           
            
                3.30
             | 
            
                3.38
             |                     
            
                3.30
             |                                 
            
                2,161,719
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.43
             |                     
            
                3.50
             |                                 
            
                834,468
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.50
             |                                 
            
                1,016,895
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.70
             |               
            
                3.50
             |                           
            
                3.50
             | 
            
                3.58
             |                     
            
                3.50
             |                                 
            
                1,448,412
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.50
             |                                 
            
                1,548,984
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2013
             | 
            
                -0.20 / -5.41%
             |             
            
                3.70
             |           
            
                3.70
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.54
             |                     
            
                3.50
             |                                 
            
                1,466,595
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.70
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.68
             |                     
            
                3.70
             |                                 
            
                526,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.70
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.70
             |                     
            
                3.70
             |                                 
            
                1,025,540
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2013
             | 
            
                -0.10 / -2.63%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.70
             |                           
            
                3.70
             | 
            
                3.73
             |                     
            
                3.70
             |                                 
            
                1,230,649
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2013
             | 
            
                -0.20 / -5.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.70
             |                           
            
                3.80
             | 
            
                3.83
             |                     
            
                3.80
             |                                 
            
                1,371,566
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2013
             | 
            
                +0.10 / +2.56%
             |             
            
                3.90
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                3.94
             |                     
            
                4.00
             |                                 
            
                692,802
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.90
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.93
             |                     
            
                3.90
             |                                 
            
                1,109,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2013
             | 
            
                -0.10 / -2.50%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.93
             |                     
            
                3.90
             |                                 
            
                2,671,226
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2013
             | 
            
                -0.20 / -4.76%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.04
             |                     
            
                4.00
             |                                 
            
                232,251
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2013
             | 
            
                +0.20 / +5.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.06
             |                     
            
                4.20
             |                                 
            
                687,364
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2013
             | 
            
                -0.20 / -4.76%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.12
             |                     
            
                4.00
             |                                 
            
                1,804,484
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.20
             |                                 
            
                1,144,141
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.23
             |                     
            
                4.20
             |                                 
            
                1,633,438
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2013
             | 
            
                -0.10 / -2.33%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.25
             |                     
            
                4.20
             |                                 
            
                1,406,927
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2013
             | 
            
                +0.20 / +4.88%
             |             
            
                4.10
             |           
            
                4.40
             |               
            
                4.00
             |                           
            
                4.30
             | 
            
                4.24
             |                     
            
                4.30
             |                                 
            
                2,533,424
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2013
             | 
            
                -0.10 / -2.38%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.15
             |                     
            
                4.10
             |                                 
            
                1,316,975
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.22
             |                     
            
                4.20
             |                                 
            
                795,903
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2013
             | 
            
                +0.30 / +7.69%
             |             
            
                4.00
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.06
             |                     
            
                4.20
             |                                 
            
                1,959,924
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2013
             | 
            
                -0.10 / -2.50%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.98
             |                     
            
                3.90
             |                                 
            
                2,242,774
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
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