| 
                 
                    Closing price on 2/25/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.20 | 
                 
                
                    | High | 
                    5.20 | 
                 
                
                    | Low | 
                    4.80 | 
                     
                
                    | Volume | 
                    105,800 | 
                                 
                
                    | Split-adjusted Price | 
                    4.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/25/2019
             | 
            
                -0.20 / -3.92%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.94
             |                     
            
                4.90
             |                                 
            
                105,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2019
             | 
            
                +0.10 / +2.00%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.10
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                5.10
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2019
             | 
            
                -0.30 / -5.66%
             |             
            
                5.30
             |           
            
                5.30
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.18
             |                     
            
                5.00
             |                                 
            
                62,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2019
             | 
            
                -0.10 / -1.85%
             |             
            
                5.30
             |           
            
                5.30
             |               
            
                5.30
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                5.30
             |                                 
            
                74,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                4.90
             |                           
            
                5.40
             | 
            
                5.34
             |                     
            
                5.40
             |                                 
            
                110,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.40
             | 
            
                5.35
             |                     
            
                5.40
             |                                 
            
                127,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2019
             | 
            
                +0.10 / +1.89%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.30
             |                           
            
                5.40
             | 
            
                5.32
             |                     
            
                5.40
             |                                 
            
                130,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.20
             |                           
            
                5.30
             | 
            
                5.26
             |                     
            
                5.30
             |                                 
            
                115,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.20
             |                           
            
                5.30
             | 
            
                5.23
             |                     
            
                5.30
             |                                 
            
                106,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2019
             | 
            
                +0.10 / +1.92%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.10
             |                           
            
                5.30
             | 
            
                5.18
             |                     
            
                5.30
             |                                 
            
                147,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2019
             | 
            
                +0.10 / +1.96%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.10
             |                           
            
                5.20
             | 
            
                5.23
             |                     
            
                5.20
             |                                 
            
                83,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2019
             | 
            
                +0.40 / +8.51%
             |             
            
                4.90
             |           
            
                5.10
             |               
            
                4.80
             |                           
            
                5.10
             | 
            
                5.02
             |                     
            
                5.10
             |                                 
            
                59,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2019
             | 
            
                -0.10 / -2.08%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.76
             |                     
            
                4.70
             |                                 
            
                14,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.80
             |                           
            
                4.80
             | 
            
                4.83
             |                     
            
                4.80
             |                                 
            
                15,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2019
             | 
            
                +0.10 / +2.13%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.77
             |                     
            
                4.80
             |                                 
            
                39,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                5.10
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.88
             |                     
            
                4.70
             |                                 
            
                31,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.72
             |                     
            
                4.70
             |                                 
            
                48,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2019
             | 
            
                -0.20 / -4.08%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.73
             |                     
            
                4.70
             |                                 
            
                27,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2019
             | 
            
                +0.10 / +2.08%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.80
             |                     
            
                4.90
             |                                 
            
                7,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2019
             | 
            
                -0.10 / -2.04%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.80
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                4.80
             |                                 
            
                6,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2019
             | 
            
                -0.10 / -2.00%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                4.90
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                5.00
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                5.00
             |                                 
            
                390
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2019
             | 
            
                +0.10 / +2.04%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                4.91
             |                     
            
                5.00
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2019
             | 
            
                +0.10 / +2.08%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                4.90
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2019
             | 
            
                -0.20 / -4.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.80
             | 
            
                4.89
             |                     
            
                4.80
             |                                 
            
                22,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                4.93
             |                     
            
                5.00
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2019
             | 
            
                +0.10 / +2.04%
             |             
            
                4.80
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                5.00
             | 
            
                4.85
             |                     
            
                5.00
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2019
             | 
            
                -0.10 / -2.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.91
             |                     
            
                4.90
             |                                 
            
                8,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2019
             | 
            
                +0.10 / +2.04%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                4.93
             |                     
            
                5.00
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |