| 
                 
                    Closing price on 5/23/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.40 | 
                 
                
                    | High | 
                    4.50 | 
                 
                
                    | Low | 
                    4.40 | 
                     
                
                    | Volume | 
                    600 | 
                                 
                
                    | Split-adjusted Price | 
                    4.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/23/2019
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.45
             |                     
            
                4.50
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2019
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.48
             |                     
            
                4.40
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2019
             | 
            
                +0.10 / +2.27%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2019
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.49
             |                     
            
                4.40
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2019
             | 
            
                -0.10 / -2.17%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.54
             |                     
            
                4.60
             |                                 
            
                3,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                15,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2019
             | 
            
                +0.10 / +2.22%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2019
             | 
            
                -0.10 / -2.17%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.58
             |                     
            
                4.50
             |                                 
            
                12,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.55
             |                     
            
                4.60
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2019
             | 
            
                +0.10 / +2.22%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                31,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.50
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2019
             | 
            
                -0.10 / -2.17%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.56
             |                     
            
                4.50
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.52
             |                     
            
                4.60
             |                                 
            
                9,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2019
             | 
            
                -0.10 / -2.13%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.67
             |                     
            
                4.60
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2019
             | 
            
                +0.10 / +2.17%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.70
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2019
             | 
            
                -0.10 / -2.13%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.61
             |                     
            
                4.60
             |                                 
            
                14,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.70
             |                                 
            
                17,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                4.70
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2019
             | 
            
                -0.10 / -2.08%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.65
             |                     
            
                4.70
             |                                 
            
                22,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2019
             | 
            
                +0.10 / +2.13%
             |             
            
                4.50
             |           
            
                4.80
             |               
            
                4.40
             |                           
            
                4.80
             | 
            
                4.65
             |                     
            
                4.80
             |                                 
            
                50,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2019
             | 
            
                +0.10 / +2.17%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.60
             |                     
            
                4.70
             |                                 
            
                10,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2019
             | 
            
                -0.10 / -2.13%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.62
             |                     
            
                4.60
             |                                 
            
                7,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.62
             |                     
            
                4.70
             |                                 
            
                29,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2019
             | 
            
                -0.10 / -2.08%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.67
             |                     
            
                4.70
             |                                 
            
                24,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2019
             | 
            
                +0.10 / +2.13%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.75
             |                     
            
                4.80
             |                                 
            
                11,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.69
             |                     
            
                4.70
             |                                 
            
                45,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2019
             | 
            
                -0.10 / -2.08%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.71
             |                     
            
                4.70
             |                                 
            
                53,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |