| 
                 
                    Closing price on 5/29/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.60 | 
                 
                
                    | High | 
                    5.70 | 
                 
                
                    | Low | 
                    5.40 | 
                     
                
                    | Volume | 
                    199,710 | 
                                 
                
                    | Split-adjusted Price | 
                    2.33 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VGS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/29/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.60
             | 
            
                5.58
             |                     
            
                2.33
             |                                 
            
                199,710
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2015
             | 
            
                +0.10 / +1.82%
             |             
            
                5.50
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.61
             |                     
            
                2.33
             |                                 
            
                301,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2015
             | 
            
                -0.10 / -1.79%
             |             
            
                5.30
             |           
            
                5.60
             |               
            
                5.30
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                2.29
             |                                 
            
                103,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2015
             | 
            
                +0.30 / +5.66%
             |             
            
                5.30
             |           
            
                5.60
             |               
            
                5.30
             |                           
            
                5.60
             | 
            
                5.51
             |                     
            
                2.33
             |                                 
            
                178,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.30
             |           
            
                5.30
             |               
            
                5.20
             |                           
            
                5.30
             | 
            
                5.20
             |                     
            
                2.21
             |                                 
            
                759,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2015
             | 
            
                +0.10 / +1.92%
             |             
            
                5.10
             |           
            
                5.30
             |               
            
                5.10
             |                           
            
                5.30
             | 
            
                5.16
             |                     
            
                2.21
             |                                 
            
                111,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2015
             | 
            
                +0.10 / +1.96%
             |             
            
                5.10
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.20
             | 
            
                5.11
             |                     
            
                2.17
             |                                 
            
                115,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2015
             | 
            
                +0.30 / +6.25%
             |             
            
                4.60
             |           
            
                5.20
             |               
            
                4.60
             |                           
            
                5.10
             | 
            
                5.00
             |                     
            
                2.13
             |                                 
            
                133,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2015
             | 
            
                +0.20 / +4.35%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.71
             |                     
            
                2.00
             |                                 
            
                113,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2015
             | 
            
                -0.40 / -8.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.91
             |                     
            
                1.92
             |                                 
            
                171,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2015
             | 
            
                -0.30 / -5.66%
             |             
            
                5.30
             |           
            
                5.30
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.21
             |                     
            
                2.08
             |                                 
            
                254,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2015
             | 
            
                -0.10 / -1.85%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                2.21
             |                                 
            
                118,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2015
             | 
            
                -0.10 / -1.82%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.30
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.25
             |                                 
            
                112,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.45
             |                     
            
                2.29
             |                                 
            
                207,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2015
             | 
            
                -0.20 / -3.51%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.56
             |                     
            
                2.29
             |                                 
            
                177,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2015
             | 
            
                +0.10 / +1.79%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.60
             |                     
            
                2.38
             |                                 
            
                43,178
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.57
             |                     
            
                2.33
             |                                 
            
                89,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2015
             | 
            
                -0.20 / -3.45%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.58
             |                     
            
                2.33
             |                                 
            
                250,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2015
             | 
            
                +0.10 / +1.75%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.80
             | 
            
                5.70
             |                     
            
                2.42
             |                                 
            
                129,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2015
             | 
            
                -0.20 / -3.39%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.38
             |                                 
            
                404,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.90
             | 
            
                5.88
             |                     
            
                2.46
             |                                 
            
                170,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2015
             | 
            
                +0.10 / +1.72%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.90
             | 
            
                5.76
             |                     
            
                2.46
             |                                 
            
                105,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.70
             |                           
            
                5.80
             | 
            
                5.70
             |                     
            
                2.42
             |                                 
            
                45,810
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.70
             |                           
            
                5.80
             | 
            
                5.72
             |                     
            
                2.42
             |                                 
            
                33,806
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.70
             |                           
            
                5.80
             | 
            
                5.70
             |                     
            
                2.42
             |                                 
            
                215,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2015
             | 
            
                -0.10 / -1.69%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                2.42
             |                                 
            
                74,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.46
             |                                 
            
                91,210
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.46
             |                                 
            
                95,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2015
             | 
            
                +0.20 / +3.51%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.80
             |                           
            
                5.90
             | 
            
                5.80
             |                     
            
                2.46
             |                                 
            
                90,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2015
             | 
            
                -0.20 / -3.39%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.81
             |                     
            
                2.38
             |                                 
            
                100,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |