| 
                 
                    Closing price on 12/30/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.80 | 
                 
                
                    | High | 
                    2.90 | 
                 
                
                    | Low | 
                    2.80 | 
                     
                
                    | Volume | 
                    2,900 | 
                                 
                
                    | Split-adjusted Price | 
                    2.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.84
             |                     
            
                2.80
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.81
             |                     
            
                2.80
             |                                 
            
                4,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2019
             | 
            
                -0.20 / -6.67%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.83
             |                     
            
                2.80
             |                                 
            
                3,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2019
             | 
            
                +0.10 / +3.45%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.90
             |                     
            
                3.00
             |                                 
            
                5,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                3.00
             |               
            
                2.70
             |                           
            
                2.90
             | 
            
                2.78
             |                     
            
                2.90
             |                                 
            
                25,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2019
             | 
            
                -0.10 / -3.33%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                6,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.95
             |                     
            
                3.00
             |                                 
            
                19,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2019
             | 
            
                +0.10 / +3.45%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.90
             |                     
            
                3.00
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2019
             | 
            
                -0.10 / -3.33%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.92
             |                     
            
                2.90
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2019
             | 
            
                +0.10 / +3.45%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.90
             |                     
            
                3.00
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2019
             | 
            
                -0.10 / -3.33%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.97
             |                     
            
                3.00
             |                                 
            
                13,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.95
             |                     
            
                3.00
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.91
             |                     
            
                3.00
             |                                 
            
                40,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.91
             |                     
            
                3.00
             |                                 
            
                56,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.97
             |                     
            
                3.00
             |                                 
            
                9,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2019
             | 
            
                +0.10 / +3.45%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                2.95
             |                     
            
                3.00
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2019
             | 
            
                -0.10 / -3.33%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2019
             | 
            
                -0.10 / -3.23%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                37,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2019
             | 
            
                -0.10 / -3.13%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                2.96
             |                     
            
                3.10
             |                                 
            
                54,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2019
             | 
            
                +0.10 / +3.23%
             |             
            
                3.00
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                3.20
             | 
            
                3.11
             |                     
            
                3.20
             |                                 
            
                26,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.01
             |                     
            
                3.10
             |                                 
            
                25,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2019
             | 
            
                -0.20 / -6.06%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.07
             |                     
            
                3.10
             |                                 
            
                50,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2019
             | 
            
                +0.20 / +6.45%
             |             
            
                3.00
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.30
             | 
            
                3.16
             |                     
            
                3.30
             |                                 
            
                42,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2019
             | 
            
                +0.20 / +6.90%
             |             
            
                2.90
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                3.10
             | 
            
                3.00
             |                     
            
                3.10
             |                                 
            
                13,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2019
             | 
            
                -0.30 / -9.38%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.91
             |                     
            
                2.90
             |                                 
            
                121,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2019
             | 
            
                -0.20 / -5.88%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.10
             |                           
            
                3.20
             | 
            
                3.17
             |                     
            
                3.20
             |                                 
            
                55,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2019
             | 
            
                -0.10 / -2.86%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.20
             |                           
            
                3.40
             | 
            
                3.24
             |                     
            
                3.40
             |                                 
            
                60,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                3.30
             |           
            
                3.50
             |               
            
                3.20
             |                           
            
                3.50
             | 
            
                3.31
             |                     
            
                3.50
             |                                 
            
                24,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2019
             | 
            
                +0.30 / +9.38%
             |             
            
                3.10
             |           
            
                3.50
             |               
            
                2.90
             |                           
            
                3.50
             | 
            
                3.12
             |                     
            
                3.50
             |                                 
            
                137,000
             |  
            
                 
             |                                                              
             
    
         
    
    
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