| 
                 
                    Closing price on 2/25/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    69.50 | 
                 
                
                    | High | 
                    69.50 | 
                 
                
                    | Low | 
                    67.50 | 
                     
                
                    | Volume | 
                    79,480 | 
                                 
                
                    | Split-adjusted Price | 
                    8.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/25/2016
             | 
            
                -1.00 / -1.45%
             |             
            
                69.50
             |           
            
                69.50
             |               
            
                67.50
             |                           
            
                68.00
             | 
            
                68.29
             |                     
            
                8.60
             |                                 
            
                79,480
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2016
             | 
            
                -1.00 / -1.43%
             |             
            
                69.50
             |           
            
                70.00
             |               
            
                69.00
             |                           
            
                69.00
             | 
            
                69.25
             |                     
            
                8.72
             |                                 
            
                28,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2016
             | 
            
                +1.00 / +1.45%
             |             
            
                69.00
             |           
            
                70.50
             |               
            
                69.00
             |                           
            
                70.00
             | 
            
                69.79
             |                     
            
                8.85
             |                                 
            
                69,740
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2016
             | 
            
                +0.50 / +0.73%
             |             
            
                68.50
             |           
            
                69.50
             |               
            
                68.50
             |                           
            
                69.00
             | 
            
                68.98
             |                     
            
                8.72
             |                                 
            
                109,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2016
             | 
            
                -0.50 / -0.72%
             |             
            
                69.00
             |           
            
                69.50
             |               
            
                68.50
             |                           
            
                68.50
             | 
            
                68.74
             |                     
            
                8.66
             |                                 
            
                75,340
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2016
             | 
            
                0.00 / 0.00%
             |             
            
                69.00
             |           
            
                69.50
             |               
            
                68.50
             |                           
            
                69.00
             | 
            
                68.91
             |                     
            
                8.72
             |                                 
            
                75,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2016
             | 
            
                +0.50 / +0.73%
             |             
            
                69.00
             |           
            
                69.50
             |               
            
                68.50
             |                           
            
                69.00
             | 
            
                68.81
             |                     
            
                8.72
             |                                 
            
                137,370
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2016
             | 
            
                +1.00 / +1.48%
             |             
            
                68.00
             |           
            
                69.00
             |               
            
                67.50
             |                           
            
                68.50
             | 
            
                68.15
             |                     
            
                8.66
             |                                 
            
                147,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2016
             | 
            
                -0.50 / -0.74%
             |             
            
                68.00
             |           
            
                68.00
             |               
            
                66.50
             |                           
            
                67.50
             | 
            
                66.97
             |                     
            
                8.53
             |                                 
            
                113,770
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                68.50
             |           
            
                68.50
             |               
            
                67.00
             |                           
            
                68.00
             | 
            
                67.77
             |                     
            
                8.60
             |                                 
            
                76,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2016
             | 
            
                +3.00 / +4.62%
             |             
            
                66.00
             |           
            
                68.50
             |               
            
                65.50
             |                           
            
                68.00
             | 
            
                67.02
             |                     
            
                8.60
             |                                 
            
                202,610
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2016
             | 
            
                -1.00 / -1.52%
             |             
            
                65.50
             |           
            
                67.00
             |               
            
                64.50
             |                           
            
                65.00
             | 
            
                65.54
             |                     
            
                8.22
             |                                 
            
                121,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2016
             | 
            
                -2.50 / -3.65%
             |             
            
                67.00
             |           
            
                69.00
             |               
            
                65.00
             |                           
            
                66.00
             | 
            
                66.42
             |                     
            
                8.35
             |                                 
            
                251,650
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2016
             | 
            
                -5.00 / -6.80%
             |             
            
                72.50
             |           
            
                72.50
             |               
            
                68.50
             |                           
            
                68.50
             | 
            
                69.68
             |                     
            
                8.66
             |                                 
            
                702,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2016
             | 
            
                +1.50 / +2.08%
             |             
            
                72.50
             |           
            
                73.50
             |               
            
                72.00
             |                           
            
                73.50
             | 
            
                72.96
             |                     
            
                9.29
             |                                 
            
                107,040
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2016
             | 
            
                -1.00 / -1.37%
             |             
            
                73.00
             |           
            
                73.50
             |               
            
                72.00
             |                           
            
                72.00
             | 
            
                72.66
             |                     
            
                9.10
             |                                 
            
                80,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2016
             | 
            
                +0.50 / +0.69%
             |             
            
                73.50
             |           
            
                74.00
             |               
            
                73.00
             |                           
            
                73.00
             | 
            
                73.12
             |                     
            
                9.23
             |                                 
            
                98,090
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2016
             | 
            
                -1.50 / -2.03%
             |             
            
                73.00
             |           
            
                74.00
             |               
            
                72.00
             |                           
            
                72.50
             | 
            
                72.77
             |                     
            
                9.17
             |                                 
            
                82,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2016
             | 
            
                +3.00 / +4.23%
             |             
            
                72.50
             |           
            
                74.50
             |               
            
                72.00
             |                           
            
                74.00
             | 
            
                73.57
             |                     
            
                9.36
             |                                 
            
                95,150
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                72.00
             |           
            
                72.00
             |               
            
                70.50
             |                           
            
                71.00
             | 
            
                71.52
             |                     
            
                8.98
             |                                 
            
                108,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                71.00
             |           
            
                72.00
             |               
            
                70.50
             |                           
            
                71.00
             | 
            
                71.21
             |                     
            
                8.98
             |                                 
            
                184,260
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2016
             | 
            
                -1.00 / -1.39%
             |             
            
                72.00
             |           
            
                73.00
             |               
            
                71.00
             |                           
            
                71.00
             | 
            
                71.66
             |                     
            
                8.98
             |                                 
            
                86,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2016
             | 
            
                +1.50 / +2.13%
             |             
            
                70.50
             |           
            
                72.50
             |               
            
                70.50
             |                           
            
                72.00
             | 
            
                71.24
             |                     
            
                9.10
             |                                 
            
                104,580
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2016
             | 
            
                -3.50 / -4.73%
             |             
            
                73.00
             |           
            
                73.00
             |               
            
                69.00
             |                           
            
                70.50
             | 
            
                69.90
             |                     
            
                8.91
             |                                 
            
                471,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2016
             | 
            
                -1.00 / -1.33%
             |             
            
                75.00
             |           
            
                75.50
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.30
             |                     
            
                9.36
             |                                 
            
                130,784
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2016
             | 
            
                -1.00 / -1.32%
             |             
            
                75.00
             |           
            
                76.00
             |               
            
                74.00
             |                           
            
                75.00
             | 
            
                74.90
             |                     
            
                9.48
             |                                 
            
                82,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2016
             | 
            
                +1.00 / +1.33%
             |             
            
                75.00
             |           
            
                77.50
             |               
            
                75.00
             |                           
            
                76.00
             | 
            
                75.92
             |                     
            
                9.61
             |                                 
            
                310,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2016
             | 
            
                +1.00 / +1.35%
             |             
            
                73.50
             |           
            
                75.00
             |               
            
                73.50
             |                           
            
                75.00
             | 
            
                74.39
             |                     
            
                9.48
             |                                 
            
                107,799
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2016
             | 
            
                -2.00 / -2.63%
             |             
            
                76.00
             |           
            
                76.50
             |               
            
                74.00
             |                           
            
                74.00
             | 
            
                74.78
             |                     
            
                9.36
             |                                 
            
                217,450
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2016
             | 
            
                +0.50 / +0.66%
             |             
            
                75.50
             |           
            
                76.50
             |               
            
                74.50
             |                           
            
                76.00
             | 
            
                75.35
             |                     
            
                9.61
             |                                 
            
                203,120
             |  
            
                 
             |                                                              
             
    
         
    
    
 |