| 
                 
                    Closing price on 8/23/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.60 | 
                 
                
                    | High | 
                    8.60 | 
                 
                
                    | Low | 
                    8.10 | 
                     
                
                    | Volume | 
                    12,900 | 
                                 
                
                    | Split-adjusted Price | 
                    4.82 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VTC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/23/2018
             | 
            
                -0.50 / -5.81%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.48
             |                     
            
                4.82
             |                                 
            
                12,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                5.12
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2018
             | 
            
                -0.40 / -4.44%
             |             
            
                8.50
             |           
            
                8.60
             |               
            
                8.50
             |                           
            
                8.60
             | 
            
                8.50
             |                     
            
                5.12
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2018
             | 
            
                +0.60 / +7.14%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                5.36
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2018
             | 
            
                -0.40 / -4.55%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.00
             |                           
            
                8.40
             | 
            
                8.30
             |                     
            
                5.00
             |                                 
            
                10,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2018
             | 
            
                -0.80 / -8.33%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                9.34
             |                     
            
                5.24
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                5.71
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.60
             |               
            
                8.90
             |                           
            
                9.60
             | 
            
                9.01
             |                     
            
                5.71
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2018
             | 
            
                +0.10 / +1.05%
             |             
            
                9.50
             |           
            
                9.60
             |               
            
                9.50
             |                           
            
                9.60
             | 
            
                9.52
             |                     
            
                5.71
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2018
             | 
            
                +0.30 / +3.26%
             |             
            
                9.20
             |           
            
                9.50
             |               
            
                9.20
             |                           
            
                9.50
             | 
            
                9.32
             |                     
            
                5.66
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2018
             | 
            
                -0.50 / -5.15%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.53
             |                     
            
                5.48
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                5.77
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                5.77
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                5.77
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2018
             | 
            
                -0.10 / -1.02%
             |             
            
                9.10
             |           
            
                9.70
             |               
            
                9.00
             |                           
            
                9.70
             | 
            
                9.11
             |                     
            
                5.77
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.83
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.83
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.83
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.83
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.83
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.83
             |                                 
            
                24
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.83
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2018
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.83
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2018
             | 
            
                +0.60 / +6.52%
             |             
            
                9.00
             |           
            
                9.80
             |               
            
                9.00
             |                           
            
                9.80
             | 
            
                9.05
             |                     
            
                5.83
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2018
             | 
            
                -0.50 / -5.15%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.46
             |                     
            
                5.48
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2018
             | 
            
                -0.10 / -1.02%
             |             
            
                9.50
             |           
            
                9.70
             |               
            
                9.00
             |                           
            
                9.70
             | 
            
                9.24
             |                     
            
                5.77
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2018
             | 
            
                -0.90 / -8.41%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.83
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2018
             | 
            
                0.00 / 0.00%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                6.37
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2018
             | 
            
                0.00 / 0.00%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                6.37
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                6.37
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |