| 
                 
                    Closing price on 10/14/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.50 | 
                 
                
                    | High | 
                    4.50 | 
                 
                
                    | Low | 
                    4.20 | 
                     
                
                    | Volume | 
                    23,100 | 
                                 
                
                    | Split-adjusted Price | 
                    4.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/14/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.50
             | 
            
                4.33
             |                     
            
                4.50
             |                                 
            
                23,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2020
             | 
            
                -0.10 / -2.17%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.60
             |                     
            
                4.50
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2020
             | 
            
                -0.20 / -4.17%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.79
             |                     
            
                4.60
             |                                 
            
                50,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2020
             | 
            
                -0.10 / -2.04%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.79
             |                     
            
                4.80
             |                                 
            
                13,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.87
             |                     
            
                4.90
             |                                 
            
                16,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2020
             | 
            
                +0.10 / +2.08%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.80
             |                     
            
                4.90
             |                                 
            
                85,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2020
             | 
            
                +0.10 / +2.13%
             |             
            
                4.70
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.77
             |                     
            
                4.80
             |                                 
            
                135,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2020
             | 
            
                +0.20 / +4.44%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.60
             |                     
            
                4.70
             |                                 
            
                48,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.56
             |                     
            
                4.50
             |                                 
            
                106,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2020
             | 
            
                -0.10 / -2.17%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.64
             |                     
            
                4.50
             |                                 
            
                119,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2020
             | 
            
                -0.10 / -2.13%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.67
             |                     
            
                4.60
             |                                 
            
                116,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2020
             | 
            
                -0.10 / -2.08%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.81
             |                     
            
                4.70
             |                                 
            
                142,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.83
             |                     
            
                4.80
             |                                 
            
                91,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2020
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.80
             | 
            
                4.92
             |                     
            
                4.80
             |                                 
            
                184,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2020
             | 
            
                +0.10 / +2.13%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.80
             | 
            
                4.85
             |                     
            
                4.80
             |                                 
            
                19,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2020
             | 
            
                -0.10 / -2.08%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.83
             |                     
            
                4.70
             |                                 
            
                172,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2020
             | 
            
                -0.10 / -2.04%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.80
             |                           
            
                4.80
             | 
            
                4.88
             |                     
            
                4.80
             |                                 
            
                196,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2020
             | 
            
                -0.10 / -2.00%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                5.00
             |                     
            
                4.90
             |                                 
            
                69,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2020
             | 
            
                +0.20 / +4.17%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                4.91
             |                     
            
                5.00
             |                                 
            
                136,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2020
             | 
            
                -0.20 / -4.00%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.80
             | 
            
                4.97
             |                     
            
                4.80
             |                                 
            
                108,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2020
             | 
            
                0.00 / 0.00%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                5.03
             |                     
            
                5.00
             |                                 
            
                67,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2020
             | 
            
                +0.10 / +2.04%
             |             
            
                5.00
             |           
            
                5.30
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.17
             |                     
            
                5.00
             |                                 
            
                205,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2020
             | 
            
                +0.20 / +4.26%
             |             
            
                4.70
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.90
             | 
            
                4.74
             |                     
            
                4.90
             |                                 
            
                85,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2020
             | 
            
                -0.40 / -7.84%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.85
             |                     
            
                4.70
             |                                 
            
                191,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2020
             | 
            
                -0.20 / -3.77%
             |             
            
                4.90
             |           
            
                5.50
             |               
            
                4.80
             |                           
            
                5.10
             | 
            
                5.23
             |                     
            
                5.10
             |                                 
            
                167,400
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |