| 
                 
                    Closing price on 5/22/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.30 | 
                 
                
                    | High | 
                    7.40 | 
                 
                
                    | Low | 
                    7.20 | 
                     
                
                    | Volume | 
                    226,100 | 
                                 
                
                    | Split-adjusted Price | 
                    4.16 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/22/2017
             | 
            
                +0.10 / +1.39%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.33
             |                     
            
                4.16
             |                                 
            
                226,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2017
             | 
            
                -0.10 / -1.37%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.21
             |                     
            
                4.10
             |                                 
            
                31,042
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.26
             |                     
            
                4.16
             |                                 
            
                27,742
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2017
             | 
            
                -0.10 / -1.35%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                4.16
             |                                 
            
                41,406
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2017
             | 
            
                -0.10 / -1.33%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.46
             |                     
            
                4.22
             |                                 
            
                93,405
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2017
             | 
            
                +0.30 / +4.17%
             |             
            
                7.20
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.50
             | 
            
                7.26
             |                     
            
                4.28
             |                                 
            
                112,804
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2017
             | 
            
                -0.10 / -1.37%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.21
             |                     
            
                4.10
             |                                 
            
                134,324
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2017
             | 
            
                -0.10 / -1.35%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.23
             |                     
            
                4.16
             |                                 
            
                71,737
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.32
             |                     
            
                4.22
             |                                 
            
                91,231
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2017
             | 
            
                +0.20 / +2.78%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.31
             |                     
            
                4.22
             |                                 
            
                158,802
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2017
             | 
            
                -0.30 / -4.00%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.13
             |                     
            
                4.10
             |                                 
            
                93,583
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2017
             | 
            
                +0.60 / +8.70%
             |             
            
                6.90
             |           
            
                7.50
             |               
            
                6.80
             |                           
            
                7.50
             | 
            
                6.97
             |                     
            
                4.28
             |                                 
            
                74,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.90
             | 
            
                6.85
             |                     
            
                3.93
             |                                 
            
                137,502
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2017
             | 
            
                -0.40 / -5.48%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                6.60
             |                           
            
                6.90
             | 
            
                7.30
             |                     
            
                3.93
             |                                 
            
                294,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2017
             | 
            
                -0.30 / -3.95%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.60
             |                     
            
                4.16
             |                                 
            
                129,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2017
             | 
            
                +0.10 / +1.33%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.50
             |                     
            
                4.33
             |                                 
            
                35,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2017
             | 
            
                -0.10 / -1.32%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.60
             |                     
            
                4.28
             |                                 
            
                73,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2017
             | 
            
                +0.10 / +1.33%
             |             
            
                7.50
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.63
             |                     
            
                4.33
             |                                 
            
                116,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.49
             |                     
            
                4.28
             |                                 
            
                82,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2017
             | 
            
                -0.10 / -1.32%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.53
             |                     
            
                4.28
             |                                 
            
                17,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2017
             | 
            
                -0.10 / -1.30%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.70
             |                     
            
                4.33
             |                                 
            
                22,798
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2017
             | 
            
                +0.20 / +2.67%
             |             
            
                7.50
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.50
             |                     
            
                4.39
             |                                 
            
                74,913
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2017
             | 
            
                -0.10 / -1.32%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.51
             |                     
            
                4.28
             |                                 
            
                60,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.62
             |                     
            
                4.33
             |                                 
            
                144,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2017
             | 
            
                -0.20 / -2.56%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.80
             |                     
            
                4.33
             |                                 
            
                94,870
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2017
             | 
            
                -0.10 / -1.27%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.74
             |                     
            
                4.45
             |                                 
            
                36,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.81
             |                     
            
                4.50
             |                                 
            
                43,510
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                4.50
             |                                 
            
                98,637
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2017
             | 
            
                +0.10 / +1.28%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.79
             |                     
            
                4.50
             |                                 
            
                56,420
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2017
             | 
            
                +0.10 / +1.30%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.78
             |                     
            
                4.45
             |                                 
            
                40,220
             |  
            
                 
             |                                                              
             
    
         
    
    
 |