| 
                 
                    Closing price on 10/23/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    1.70 | 
                 
                
                    | High | 
                    1.70 | 
                 
                
                    | Low | 
                    1.70 | 
                     
                
                    | Volume | 
                    99,400 | 
                                 
                
                    | Split-adjusted Price | 
                    0.97 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VNA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/23/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.70
             |           
            
                1.70
             |               
            
                1.70
             |                           
            
                1.70
             | 
            
                1.70
             |                     
            
                0.97
             |                                 
            
                99,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2017
             | 
            
                +0.10 / +6.25%
             |             
            
                1.60
             |           
            
                1.70
             |               
            
                1.60
             |                           
            
                1.70
             | 
            
                1.67
             |                     
            
                0.97
             |                                 
            
                69,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2017
             | 
            
                -0.20 / -11.11%
             |             
            
                1.60
             |           
            
                1.60
             |               
            
                1.60
             |                           
            
                1.60
             | 
            
                1.60
             |                     
            
                0.91
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.80
             |           
            
                1.90
             |               
            
                1.80
             |                           
            
                1.80
             | 
            
                1.81
             |                     
            
                1.03
             |                                 
            
                71,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2017
             | 
            
                +0.20 / +12.50%
             |             
            
                1.70
             |           
            
                1.80
             |               
            
                1.70
             |                           
            
                1.80
             | 
            
                1.79
             |                     
            
                1.03
             |                                 
            
                192,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2017
             | 
            
                +0.20 / +14.29%
             |             
            
                1.50
             |           
            
                1.60
             |               
            
                1.40
             |                           
            
                1.60
             | 
            
                1.56
             |                     
            
                0.91
             |                                 
            
                52,738
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2017
             | 
            
                +0.10 / +7.69%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.40
             |                     
            
                0.80
             |                                 
            
                92,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.30
             |           
            
                1.30
             |               
            
                1.30
             |                           
            
                1.30
             | 
            
                1.30
             |                     
            
                0.74
             |                                 
            
                6,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.30
             |           
            
                1.40
             |               
            
                1.30
             |                           
            
                1.30
             | 
            
                1.34
             |                     
            
                0.74
             |                                 
            
                30,411
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2017
             | 
            
                +0.10 / +8.33%
             |             
            
                1.20
             |           
            
                1.30
             |               
            
                1.20
             |                           
            
                1.30
             | 
            
                1.29
             |                     
            
                0.74
             |                                 
            
                89,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                14,042
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.20
             |               
            
                1.10
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                18,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.20
             |               
            
                1.10
             |                           
            
                1.20
             | 
            
                1.12
             |                     
            
                0.68
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                120
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.10
             |                           
            
                1.20
             | 
            
                1.13
             |                     
            
                0.68
             |                                 
            
                32,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                46,334
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                2,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.30
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.21
             |                     
            
                0.68
             |                                 
            
                3,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.10
             |                           
            
                1.20
             | 
            
                1.19
             |                     
            
                0.68
             |                                 
            
                21,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                19,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                12,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2017
             | 
            
                -0.10 / -7.69%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                16,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2017
             | 
            
                +0.10 / +8.33%
             |             
            
                1.20
             |           
            
                1.30
             |               
            
                1.20
             |                           
            
                1.30
             | 
            
                1.20
             |                     
            
                0.74
             |                                 
            
                3,723
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2017
             | 
            
                +0.10 / +9.09%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                20,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2017
             | 
            
                -0.10 / -8.33%
             |             
            
                1.30
             |           
            
                1.30
             |               
            
                1.10
             |                           
            
                1.10
             | 
            
                1.10
             |                     
            
                0.63
             |                                 
            
                38,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                1.20
             |           
            
                1.20
             |               
            
                1.20
             |                           
            
                1.20
             | 
            
                1.20
             |                     
            
                0.68
             |                                 
            
                16,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |