| 
                 
                    Closing price on 9/9/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.00 | 
                 
                
                    | High | 
                    5.30 | 
                 
                
                    | Low | 
                    5.00 | 
                     
                
                    | Volume | 
                    125,300 | 
                                 
                
                    | Split-adjusted Price | 
                    5.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/9/2020
             | 
            
                +0.40 / +8.16%
             |             
            
                5.00
             |           
            
                5.30
             |               
            
                5.00
             |                           
            
                5.30
             | 
            
                5.25
             |                     
            
                5.30
             |                                 
            
                125,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2020
             | 
            
                +0.40 / +8.89%
             |             
            
                4.50
             |           
            
                4.90
             |               
            
                4.40
             |                           
            
                4.90
             | 
            
                4.76
             |                     
            
                4.90
             |                                 
            
                129,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2020
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.35
             |                     
            
                4.50
             |                                 
            
                157,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.40
             | 
            
                4.20
             |                     
            
                4.40
             |                                 
            
                166,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2020
             | 
            
                +0.10 / +2.33%
             |             
            
                4.20
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.40
             | 
            
                4.21
             |                     
            
                4.40
             |                                 
            
                116,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2020
             | 
            
                +0.10 / +2.38%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.20
             |                     
            
                4.30
             |                                 
            
                136,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2020
             | 
            
                -0.10 / -2.33%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.20
             |                                 
            
                160,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.22
             |                     
            
                4.30
             |                                 
            
                125,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2020
             | 
            
                +0.20 / +4.88%
             |             
            
                4.10
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.20
             |                     
            
                4.30
             |                                 
            
                173,730
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2020
             | 
            
                -0.20 / -4.65%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.14
             |                     
            
                4.10
             |                                 
            
                157,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2020
             | 
            
                -0.20 / -4.44%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.37
             |                     
            
                4.30
             |                                 
            
                59,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2020
             | 
            
                +0.10 / +2.27%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.41
             |                     
            
                4.50
             |                                 
            
                160,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.37
             |                     
            
                4.40
             |                                 
            
                94,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2020
             | 
            
                +0.30 / +7.32%
             |             
            
                4.10
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.40
             | 
            
                4.21
             |                     
            
                4.40
             |                                 
            
                148,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                4.10
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.07
             |                     
            
                4.10
             |                                 
            
                92,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2020
             | 
            
                +0.10 / +2.50%
             |             
            
                3.80
             |           
            
                4.10
             |               
            
                3.80
             |                           
            
                4.10
             | 
            
                3.99
             |                     
            
                4.10
             |                                 
            
                152,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2020
             | 
            
                -0.20 / -4.76%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.10
             |                     
            
                4.00
             |                                 
            
                132,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2020
             | 
            
                +0.20 / +5.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.07
             |                     
            
                4.20
             |                                 
            
                139,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2020
             | 
            
                -0.20 / -4.76%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.09
             |                     
            
                4.00
             |                                 
            
                37,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2020
             | 
            
                -0.10 / -2.33%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.26
             |                     
            
                4.20
             |                                 
            
                113,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.30
             | 
            
                4.20
             |                     
            
                4.30
             |                                 
            
                106,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2020
             | 
            
                +0.10 / +2.38%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.20
             |                     
            
                4.30
             |                                 
            
                114,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2020
             | 
            
                +0.10 / +2.44%
             |             
            
                3.90
             |           
            
                4.20
             |               
            
                3.90
             |                           
            
                4.20
             | 
            
                4.02
             |                     
            
                4.20
             |                                 
            
                157,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.01
             |                     
            
                4.10
             |                                 
            
                100,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.12
             |                     
            
                4.10
             |                                 
            
                93,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2020
             | 
            
                +0.10 / +2.50%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                3.90
             |                           
            
                4.10
             | 
            
                3.96
             |                     
            
                4.10
             |                                 
            
                137,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2020
             | 
            
                +0.10 / +2.56%
             |             
            
                3.80
             |           
            
                4.10
             |               
            
                3.70
             |                           
            
                4.00
             | 
            
                3.93
             |                     
            
                4.00
             |                                 
            
                139,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2020
             | 
            
                +0.10 / +2.63%
             |             
            
                3.80
             |           
            
                3.90
             |               
            
                3.70
             |                           
            
                3.90
             | 
            
                3.80
             |                     
            
                3.90
             |                                 
            
                121,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2020
             | 
            
                -0.10 / -2.56%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.60
             |                           
            
                3.80
             | 
            
                3.73
             |                     
            
                3.80
             |                                 
            
                114,700
             |  
            
                 
             |                                                              
             
    
         
    
    
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