| 
                 
                    Closing price on 5/4/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    56.50 | 
                 
                
                    | High | 
                    57.50 | 
                 
                
                    | Low | 
                    56.50 | 
                     
                
                    | Volume | 
                    113,362 | 
                                 
                
                    | Split-adjusted Price | 
                    7.27 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/4/2016
             | 
            
                +1.00 / +1.77%
             |             
            
                56.50
             |           
            
                57.50
             |               
            
                56.50
             |                           
            
                57.50
             | 
            
                57.10
             |                     
            
                7.27
             |                                 
            
                113,362
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2016
             | 
            
                +0.50 / +0.89%
             |             
            
                56.00
             |           
            
                57.00
             |               
            
                56.00
             |                           
            
                56.50
             | 
            
                56.58
             |                     
            
                7.14
             |                                 
            
                90,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2016
             | 
            
                -1.50 / -2.61%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                55.50
             |                           
            
                56.00
             | 
            
                56.02
             |                     
            
                7.08
             |                                 
            
                186,660
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2016
             | 
            
                -1.50 / -2.54%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                57.00
             |                           
            
                57.50
             | 
            
                57.68
             |                     
            
                7.27
             |                                 
            
                50,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2016
             | 
            
                +0.50 / +0.85%
             |             
            
                58.50
             |           
            
                59.00
             |               
            
                58.00
             |                           
            
                59.00
             | 
            
                58.61
             |                     
            
                7.46
             |                                 
            
                36,720
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2016
             | 
            
                +1.00 / +1.74%
             |             
            
                58.00
             |           
            
                59.00
             |               
            
                58.00
             |                           
            
                58.50
             | 
            
                58.40
             |                     
            
                7.40
             |                                 
            
                75,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                57.00
             |                           
            
                57.50
             | 
            
                57.12
             |                     
            
                7.27
             |                                 
            
                67,380
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                58.00
             |               
            
                57.00
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                7.27
             |                                 
            
                26,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2016
             | 
            
                -1.00 / -1.71%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                57.00
             |                           
            
                57.50
             | 
            
                57.43
             |                     
            
                7.27
             |                                 
            
                156,340
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2016
             | 
            
                -1.00 / -1.68%
             |             
            
                59.00
             |           
            
                59.50
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.94
             |                     
            
                7.40
             |                                 
            
                76,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2016
             | 
            
                0.00 / 0.00%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.50
             | 
            
                59.28
             |                     
            
                7.52
             |                                 
            
                118,530
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2016
             | 
            
                +0.50 / +0.85%
             |             
            
                59.00
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.50
             | 
            
                59.46
             |                     
            
                7.52
             |                                 
            
                115,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2016
             | 
            
                -1.00 / -1.67%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.43
             |                     
            
                7.46
             |                                 
            
                49,030
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2016
             | 
            
                -0.50 / -0.83%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                59.50
             |                           
            
                60.00
             | 
            
                60.19
             |                     
            
                7.59
             |                                 
            
                101,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2016
             | 
            
                +0.50 / +0.83%
             |             
            
                60.50
             |           
            
                61.50
             |               
            
                60.50
             |                           
            
                60.50
             | 
            
                60.61
             |                     
            
                7.65
             |                                 
            
                49,990
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2016
             | 
            
                +0.50 / +0.84%
             |             
            
                59.50
             |           
            
                61.50
             |               
            
                59.50
             |                           
            
                60.00
             | 
            
                60.55
             |                     
            
                7.59
             |                                 
            
                181,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2016
             | 
            
                +1.50 / +2.59%
             |             
            
                58.00
             |           
            
                59.50
             |               
            
                58.00
             |                           
            
                59.50
             | 
            
                58.54
             |                     
            
                7.52
             |                                 
            
                108,380
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2016
             | 
            
                -0.50 / -0.85%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                57.50
             |                           
            
                58.00
             | 
            
                58.01
             |                     
            
                7.33
             |                                 
            
                60,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2016
             | 
            
                +0.50 / +0.86%
             |             
            
                58.00
             |           
            
                58.50
             |               
            
                57.50
             |                           
            
                58.50
             | 
            
                57.88
             |                     
            
                7.40
             |                                 
            
                76,060
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2016
             | 
            
                +1.00 / +1.75%
             |             
            
                57.00
             |           
            
                59.00
             |               
            
                57.00
             |                           
            
                58.00
             | 
            
                57.90
             |                     
            
                7.33
             |                                 
            
                104,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2016
             | 
            
                -3.00 / -5.00%
             |             
            
                59.50
             |           
            
                60.00
             |               
            
                56.50
             |                           
            
                57.00
             | 
            
                57.60
             |                     
            
                7.21
             |                                 
            
                344,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2016
             | 
            
                -2.00 / -3.23%
             |             
            
                62.00
             |           
            
                62.00
             |               
            
                59.50
             |                           
            
                60.00
             | 
            
                60.30
             |                     
            
                7.59
             |                                 
            
                193,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2016
             | 
            
                +1.50 / +2.48%
             |             
            
                60.00
             |           
            
                62.00
             |               
            
                60.00
             |                           
            
                62.00
             | 
            
                60.78
             |                     
            
                7.84
             |                                 
            
                183,550
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2016
             | 
            
                -3.00 / -4.72%
             |             
            
                62.50
             |           
            
                64.00
             |               
            
                60.00
             |                           
            
                60.50
             | 
            
                61.72
             |                     
            
                7.65
             |                                 
            
                338,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2016
             | 
            
                -3.50 / -5.22%
             |             
            
                66.00
             |           
            
                66.50
             |               
            
                62.50
             |                           
            
                63.50
             | 
            
                63.68
             |                     
            
                8.03
             |                                 
            
                332,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2016
             | 
            
                -1.50 / -2.19%
             |             
            
                68.50
             |           
            
                69.00
             |               
            
                66.00
             |                           
            
                67.00
             | 
            
                66.97
             |                     
            
                8.47
             |                                 
            
                187,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2016
             | 
            
                0.00 / 0.00%
             |             
            
                68.50
             |           
            
                70.00
             |               
            
                68.00
             |                           
            
                68.50
             | 
            
                68.91
             |                     
            
                8.66
             |                                 
            
                98,820
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2016
             | 
            
                +0.50 / +0.74%
             |             
            
                68.00
             |           
            
                69.00
             |               
            
                67.50
             |                           
            
                68.50
             | 
            
                68.19
             |                     
            
                8.66
             |                                 
            
                98,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2016
             | 
            
                -1.00 / -1.45%
             |             
            
                69.00
             |           
            
                69.00
             |               
            
                67.50
             |                           
            
                68.00
             | 
            
                67.87
             |                     
            
                8.60
             |                                 
            
                152,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2016
             | 
            
                -0.50 / -0.72%
             |             
            
                69.50
             |           
            
                69.50
             |               
            
                69.00
             |                           
            
                69.00
             | 
            
                69.17
             |                     
            
                8.72
             |                                 
            
                102,130
             |  
            
                 
             |                                                              
             
    
         
    
    
 |