| 
                 
                    Closing price on 7/25/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.00 | 
                 
                
                    | High | 
                    6.20 | 
                 
                
                    | Low | 
                    6.00 | 
                     
                
                    | Volume | 
                    6,100 | 
                                 
                
                    | Split-adjusted Price | 
                    6.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/25/2018
             | 
            
                +0.10 / +1.64%
             |             
            
                6.00
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.05
             |                     
            
                6.20
             |                                 
            
                6,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2018
             | 
            
                +0.10 / +1.67%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.00
             |                     
            
                6.10
             |                                 
            
                13,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2018
             | 
            
                -0.10 / -1.64%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.10
             |                     
            
                6.00
             |                                 
            
                13,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.00
             |                     
            
                6.10
             |                                 
            
                8,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                6.10
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                5.90
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                6.10
             | 
            
                6.00
             |                     
            
                6.10
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                6.10
             |                                 
            
                5,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2018
             | 
            
                +0.10 / +1.67%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.06
             |                     
            
                6.10
             |                                 
            
                6,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                6.00
             |                                 
            
                4,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                6.00
             | 
            
                5.78
             |                     
            
                6.00
             |                                 
            
                10,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2018
             | 
            
                -0.10 / -1.64%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                6.00
             |                                 
            
                14,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.09
             |                     
            
                6.10
             |                                 
            
                17,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2018
             | 
            
                -0.10 / -1.61%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.19
             |                     
            
                6.10
             |                                 
            
                8,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2018
             | 
            
                +0.10 / +1.64%
             |             
            
                6.10
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.04
             |                     
            
                6.20
             |                                 
            
                12,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2018
             | 
            
                -0.10 / -1.61%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                6.10
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.01
             |                     
            
                6.20
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2018
             | 
            
                -0.20 / -3.13%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.10
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                6.20
             |                                 
            
                5,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.40
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.32
             |                     
            
                6.40
             |                                 
            
                12,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.50
             |                     
            
                6.40
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.49
             |                     
            
                6.40
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2018
             | 
            
                -0.10 / -1.54%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.40
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2018
             | 
            
                -0.10 / -1.52%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                6.50
             |                                 
            
                4,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2018
             | 
            
                +0.10 / +1.54%
             |             
            
                6.40
             |           
            
                6.60
             |               
            
                6.40
             |                           
            
                6.60
             | 
            
                6.50
             |                     
            
                6.60
             |                                 
            
                35,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.40
             |                           
            
                6.50
             | 
            
                6.45
             |                     
            
                6.50
             |                                 
            
                14,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2018
             | 
            
                -0.10 / -1.52%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.54
             |                     
            
                6.50
             |                                 
            
                8,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.51
             |                     
            
                6.60
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2018
             | 
            
                +0.10 / +1.54%
             |             
            
                6.40
             |           
            
                6.70
             |               
            
                6.30
             |                           
            
                6.60
             | 
            
                6.39
             |                     
            
                6.60
             |                                 
            
                41,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2018
             | 
            
                -0.10 / -1.52%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.53
             |                     
            
                6.50
             |                                 
            
                10,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.55
             |                     
            
                6.60
             |                                 
            
                36,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2018
             | 
            
                -0.20 / -2.94%
             |             
            
                6.60
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.69
             |                     
            
                6.60
             |                                 
            
                14,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |