| 
                 
                    Closing price on 12/20/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.30 | 
                 
                
                    | High | 
                    9.50 | 
                 
                
                    | Low | 
                    9.30 | 
                     
                
                    | Volume | 
                    91,840 | 
                                 
                
                    | Split-adjusted Price | 
                    4.97 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VGS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/20/2017
             | 
            
                -0.10 / -1.06%
             |             
            
                9.30
             |           
            
                9.50
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.40
             |                     
            
                4.97
             |                                 
            
                91,840
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2017
             | 
            
                -0.10 / -1.05%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.20
             |                           
            
                9.40
             | 
            
                9.31
             |                     
            
                5.02
             |                                 
            
                105,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.40
             |           
            
                9.60
             |               
            
                9.40
             |                           
            
                9.50
             | 
            
                9.44
             |                     
            
                5.08
             |                                 
            
                114,810
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2017
             | 
            
                +0.10 / +1.06%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                9.40
             |                           
            
                9.50
             | 
            
                9.43
             |                     
            
                5.08
             |                                 
            
                132,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2017
             | 
            
                +0.20 / +2.17%
             |             
            
                9.20
             |           
            
                9.40
             |               
            
                9.20
             |                           
            
                9.40
             | 
            
                9.30
             |                     
            
                5.02
             |                                 
            
                181,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.92
             |                                 
            
                73,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2017
             | 
            
                -0.10 / -1.08%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.20
             | 
            
                9.15
             |                     
            
                4.92
             |                                 
            
                338,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2017
             | 
            
                -0.10 / -1.06%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                9.20
             |                           
            
                9.30
             | 
            
                9.31
             |                     
            
                4.97
             |                                 
            
                154,504
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2017
             | 
            
                -0.20 / -2.08%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.40
             |                           
            
                9.40
             | 
            
                9.46
             |                     
            
                5.02
             |                                 
            
                101,130
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.40
             |                           
            
                9.60
             | 
            
                9.51
             |                     
            
                5.13
             |                                 
            
                210,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.70
             |               
            
                9.50
             |                           
            
                9.60
             | 
            
                9.55
             |                     
            
                5.13
             |                                 
            
                178,640
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2017
             | 
            
                -0.20 / -2.04%
             |             
            
                9.90
             |           
            
                10.10
             |               
            
                9.50
             |                           
            
                9.60
             | 
            
                9.73
             |                     
            
                5.13
             |                                 
            
                350,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2017
             | 
            
                +0.60 / +6.52%
             |             
            
                9.30
             |           
            
                9.80
             |               
            
                9.20
             |                           
            
                9.80
             | 
            
                9.59
             |                     
            
                5.24
             |                                 
            
                761,520
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.20
             | 
            
                9.19
             |                     
            
                4.92
             |                                 
            
                138,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.92
             |                                 
            
                126,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.92
             |                                 
            
                41,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2017
             | 
            
                +0.10 / +1.10%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.10
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.92
             |                                 
            
                78,006
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2017
             | 
            
                -0.10 / -1.09%
             |             
            
                9.10
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.10
             | 
            
                9.17
             |                     
            
                4.86
             |                                 
            
                224,635
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2017
             | 
            
                +0.10 / +1.10%
             |             
            
                9.00
             |           
            
                9.20
             |               
            
                8.90
             |                           
            
                9.20
             | 
            
                9.05
             |                     
            
                4.92
             |                                 
            
                207,905
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.10
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                4.86
             |                                 
            
                186,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.10
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                4.86
             |                                 
            
                107,703
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.10
             |           
            
                9.10
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.06
             |                     
            
                4.86
             |                                 
            
                238,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2017
             | 
            
                -0.10 / -1.09%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.11
             |                     
            
                4.86
             |                                 
            
                64,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.20
             | 
            
                9.19
             |                     
            
                4.92
             |                                 
            
                109,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2017
             | 
            
                -0.10 / -1.08%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.92
             |                                 
            
                72,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2017
             | 
            
                +0.20 / +2.20%
             |             
            
                9.10
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.30
             | 
            
                9.14
             |                     
            
                4.97
             |                                 
            
                227,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2017
             | 
            
                -0.10 / -1.09%
             |             
            
                9.10
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                4.86
             |                                 
            
                84,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2017
             | 
            
                -0.10 / -1.08%
             |             
            
                9.10
             |           
            
                9.20
             |               
            
                9.10
             |                           
            
                9.20
             | 
            
                9.13
             |                     
            
                4.92
             |                                 
            
                66,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2017
             | 
            
                +0.20 / +2.20%
             |             
            
                9.10
             |           
            
                9.30
             |               
            
                9.10
             |                           
            
                9.30
             | 
            
                9.20
             |                     
            
                4.97
             |                                 
            
                94,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.10
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.17
             |                     
            
                4.86
             |                                 
            
                156,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |