| 
                 
                    Closing price on 5/17/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.10 | 
                 
                
                    | High | 
                    25.50 | 
                 
                
                    | Low | 
                    25.10 | 
                     
                
                    | Volume | 
                    59,923 | 
                                 
                
                    | Split-adjusted Price | 
                    13.42 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/17/2016
             | 
            
                +0.50 / +2.00%
             |             
            
                25.10
             |           
            
                25.50
             |               
            
                25.10
             |                           
            
                25.50
             | 
            
                25.30
             |                     
            
                13.42
             |                                 
            
                59,923
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2016
             | 
            
                0.00 / 0.00%
             |             
            
                25.00
             |           
            
                25.10
             |               
            
                24.80
             |                           
            
                25.00
             | 
            
                24.98
             |                     
            
                13.16
             |                                 
            
                168,112
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2016
             | 
            
                -0.10 / -0.40%
             |             
            
                24.50
             |           
            
                25.10
             |               
            
                24.50
             |                           
            
                25.00
             | 
            
                24.95
             |                     
            
                13.16
             |                                 
            
                187,947
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2016
             | 
            
                +0.20 / +0.80%
             |             
            
                24.80
             |           
            
                25.20
             |               
            
                24.70
             |                           
            
                25.10
             | 
            
                24.90
             |                     
            
                13.21
             |                                 
            
                140,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2016
             | 
            
                +0.30 / +1.22%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.60
             |                           
            
                24.90
             | 
            
                24.73
             |                     
            
                13.11
             |                                 
            
                51,980
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2016
             | 
            
                +0.10 / +0.41%
             |             
            
                24.40
             |           
            
                24.60
             |               
            
                24.40
             |                           
            
                24.60
             | 
            
                24.49
             |                     
            
                12.95
             |                                 
            
                53,601
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2016
             | 
            
                -0.20 / -0.81%
             |             
            
                24.70
             |           
            
                24.70
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.68
             |                     
            
                12.90
             |                                 
            
                28,291
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2016
             | 
            
                -0.40 / -1.59%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.60
             |                           
            
                24.70
             | 
            
                24.76
             |                     
            
                13.00
             |                                 
            
                80,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                25.40
             |           
            
                25.40
             |               
            
                25.00
             |                           
            
                25.10
             | 
            
                25.12
             |                     
            
                13.21
             |                                 
            
                29,808
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2016
             | 
            
                -0.50 / -1.95%
             |             
            
                25.50
             |           
            
                25.60
             |               
            
                25.00
             |                           
            
                25.10
             | 
            
                25.30
             |                     
            
                13.21
             |                                 
            
                55,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2016
             | 
            
                +0.40 / +1.59%
             |             
            
                25.10
             |           
            
                26.20
             |               
            
                25.00
             |                           
            
                25.60
             | 
            
                25.51
             |                     
            
                13.47
             |                                 
            
                218,009
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2016
             | 
            
                +0.80 / +3.28%
             |             
            
                24.50
             |           
            
                25.20
             |               
            
                24.10
             |                           
            
                25.20
             | 
            
                24.75
             |                     
            
                13.26
             |                                 
            
                170,065
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2016
             | 
            
                0.00 / 0.00%
             |             
            
                24.40
             |           
            
                24.60
             |               
            
                24.30
             |                           
            
                24.40
             | 
            
                24.35
             |                     
            
                12.84
             |                                 
            
                85,520
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2016
             | 
            
                -0.50 / -2.01%
             |             
            
                24.80
             |           
            
                24.90
             |               
            
                24.40
             |                           
            
                24.40
             | 
            
                24.63
             |                     
            
                12.84
             |                                 
            
                173,322
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2016
             | 
            
                -0.20 / -0.80%
             |             
            
                25.20
             |           
            
                25.50
             |               
            
                24.60
             |                           
            
                24.90
             | 
            
                24.86
             |                     
            
                13.11
             |                                 
            
                178,077
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2016
             | 
            
                +0.40 / +1.62%
             |             
            
                24.70
             |           
            
                25.20
             |               
            
                24.60
             |                           
            
                25.10
             | 
            
                24.79
             |                     
            
                13.21
             |                                 
            
                241,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2016
             | 
            
                -0.10 / -0.40%
             |             
            
                24.90
             |           
            
                25.20
             |               
            
                24.50
             |                           
            
                24.70
             | 
            
                24.76
             |                     
            
                13.00
             |                                 
            
                221,251
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2016
             | 
            
                -0.10 / -0.40%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.60
             |                           
            
                24.80
             | 
            
                24.73
             |                     
            
                13.05
             |                                 
            
                174,258
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2016
             | 
            
                -0.40 / -1.58%
             |             
            
                25.50
             |           
            
                25.50
             |               
            
                24.90
             |                           
            
                24.90
             | 
            
                25.15
             |                     
            
                13.11
             |                                 
            
                72,910
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2016
             | 
            
                -0.20 / -0.78%
             |             
            
                25.00
             |           
            
                25.50
             |               
            
                25.00
             |                           
            
                25.30
             | 
            
                25.37
             |                     
            
                13.32
             |                                 
            
                88,379
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2016
             | 
            
                +0.80 / +3.24%
             |             
            
                24.60
             |           
            
                25.50
             |               
            
                24.60
             |                           
            
                25.50
             | 
            
                25.30
             |                     
            
                13.42
             |                                 
            
                152,553
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2016
             | 
            
                0.00 / 0.00%
             |             
            
                24.70
             |           
            
                24.70
             |               
            
                24.50
             |                           
            
                24.70
             | 
            
                24.66
             |                     
            
                13.00
             |                                 
            
                223,611
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2016
             | 
            
                +0.20 / +0.82%
             |             
            
                24.50
             |           
            
                25.50
             |               
            
                24.50
             |                           
            
                24.70
             | 
            
                24.68
             |                     
            
                13.00
             |                                 
            
                279,779
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2016
             | 
            
                0.00 / 0.00%
             |             
            
                24.60
             |           
            
                24.80
             |               
            
                24.40
             |                           
            
                24.50
             | 
            
                24.53
             |                     
            
                12.90
             |                                 
            
                296,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2016
             | 
            
                -0.10 / -0.41%
             |             
            
                24.50
             |           
            
                24.60
             |               
            
                24.40
             |                           
            
                24.50
             | 
            
                24.52
             |                     
            
                12.90
             |                                 
            
                260,210
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2016
             | 
            
                -0.10 / -0.40%
             |             
            
                24.90
             |           
            
                24.90
             |               
            
                24.30
             |                           
            
                24.60
             | 
            
                24.45
             |                     
            
                12.95
             |                                 
            
                76,015
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2016
             | 
            
                +0.30 / +1.23%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.30
             |                           
            
                24.70
             | 
            
                24.47
             |                     
            
                13.00
             |                                 
            
                66,170
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2016
             | 
            
                +0.20 / +0.83%
             |             
            
                24.20
             |           
            
                24.60
             |               
            
                24.20
             |                           
            
                24.40
             | 
            
                24.20
             |                     
            
                12.84
             |                                 
            
                290,856
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2016
             | 
            
                -0.10 / -0.41%
             |             
            
                24.00
             |           
            
                24.30
             |               
            
                24.00
             |                           
            
                24.20
             | 
            
                24.19
             |                     
            
                12.74
             |                                 
            
                277,881
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2016
             | 
            
                -0.40 / -1.62%
             |             
            
                24.60
             |           
            
                25.00
             |               
            
                24.20
             |                           
            
                24.30
             | 
            
                24.65
             |                     
            
                12.79
             |                                 
            
                230,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |