| 
                 
                    Closing price on 11/23/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.80 | 
                 
                
                    | High | 
                    6.30 | 
                 
                
                    | Low | 
                    5.80 | 
                     
                
                    | Volume | 
                    260,101 | 
                                 
                
                    | Split-adjusted Price | 
                    6.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VKC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/23/2017
             | 
            
                +0.50 / +8.62%
             |             
            
                5.80
             |           
            
                6.30
             |               
            
                5.80
             |                           
            
                6.30
             | 
            
                6.02
             |                     
            
                6.30
             |                                 
            
                260,101
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                5.80
             |                                 
            
                39,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2017
             | 
            
                -0.10 / -1.69%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.83
             |                     
            
                5.80
             |                                 
            
                49,164
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2017
             | 
            
                +0.10 / +1.72%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.80
             |                           
            
                5.90
             | 
            
                5.81
             |                     
            
                5.90
             |                                 
            
                18,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.70
             |                           
            
                5.80
             | 
            
                5.79
             |                     
            
                5.80
             |                                 
            
                42,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2017
             | 
            
                +0.10 / +1.75%
             |             
            
                5.80
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.89
             |                     
            
                5.80
             |                                 
            
                72,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2017
             | 
            
                -0.10 / -1.72%
             |             
            
                5.70
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.75
             |                     
            
                5.70
             |                                 
            
                46,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2017
             | 
            
                -0.30 / -4.92%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.90
             |                     
            
                5.80
             |                                 
            
                89,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.04
             |                     
            
                6.10
             |                                 
            
                24,561
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.00
             |                     
            
                6.10
             |                                 
            
                36,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.07
             |                     
            
                6.10
             |                                 
            
                11,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.09
             |                     
            
                6.10
             |                                 
            
                18,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2017
             | 
            
                +0.10 / +1.67%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.11
             |                     
            
                6.10
             |                                 
            
                11,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.08
             |                     
            
                6.00
             |                                 
            
                16,707
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                6.00
             |                                 
            
                42,510
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2017
             | 
            
                -0.40 / -6.25%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                5.80
             |                           
            
                6.00
             | 
            
                5.99
             |                     
            
                6.00
             |                                 
            
                190,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2017
             | 
            
                -0.10 / -1.54%
             |             
            
                6.50
             |           
            
                6.60
             |               
            
                6.10
             |                           
            
                6.40
             | 
            
                6.26
             |                     
            
                6.40
             |                                 
            
                151,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2017
             | 
            
                -0.40 / -5.80%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.53
             |                     
            
                6.50
             |                                 
            
                62,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                6.90
             | 
            
                6.88
             |                     
            
                6.90
             |                                 
            
                15,053
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2017
             | 
            
                +0.10 / +1.47%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                6.90
             |                                 
            
                5,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2017
             | 
            
                -0.10 / -1.45%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.90
             |                     
            
                6.80
             |                                 
            
                46,116
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2017
             | 
            
                -0.30 / -4.17%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.98
             |                     
            
                6.90
             |                                 
            
                3,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2017
             | 
            
                +0.30 / +4.35%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.06
             |                     
            
                7.20
             |                                 
            
                49,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2017
             | 
            
                -0.20 / -2.82%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.97
             |                     
            
                6.90
             |                                 
            
                131,922
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2017
             | 
            
                -0.20 / -2.74%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.06
             |                     
            
                7.10
             |                                 
            
                98,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.21
             |                     
            
                7.30
             |                                 
            
                16,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2017
             | 
            
                -0.10 / -1.35%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.28
             |                     
            
                7.30
             |                                 
            
                57,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.25
             |                     
            
                7.40
             |                                 
            
                50,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.30
             |                     
            
                7.40
             |                                 
            
                32,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.36
             |                     
            
                7.40
             |                                 
            
                18,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |