| 
                 
                    Closing price on 9/25/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    57.50 | 
                 
                
                    | High | 
                    60.00 | 
                 
                
                    | Low | 
                    57.00 | 
                     
                
                    | Volume | 
                    183,660 | 
                                 
                
                    | Split-adjusted Price | 
                    7.59 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/25/2015
             | 
            
                +2.50 / +4.35%
             |             
            
                57.50
             |           
            
                60.00
             |               
            
                57.00
             |                           
            
                60.00
             | 
            
                58.80
             |                     
            
                7.59
             |                                 
            
                183,660
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2015
             | 
            
                -0.50 / -0.86%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                57.00
             |                           
            
                57.50
             | 
            
                57.68
             |                     
            
                7.27
             |                                 
            
                54,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2015
             | 
            
                +1.50 / +2.65%
             |             
            
                56.50
             |           
            
                58.50
             |               
            
                56.50
             |                           
            
                58.00
             | 
            
                57.80
             |                     
            
                7.33
             |                                 
            
                161,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2015
             | 
            
                0.00 / 0.00%
             |             
            
                56.50
             |           
            
                56.50
             |               
            
                56.00
             |                           
            
                56.50
             | 
            
                56.44
             |                     
            
                7.14
             |                                 
            
                22,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2015
             | 
            
                +1.00 / +1.80%
             |             
            
                55.50
             |           
            
                56.50
             |               
            
                55.50
             |                           
            
                56.50
             | 
            
                55.88
             |                     
            
                7.14
             |                                 
            
                31,710
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2015
             | 
            
                +1.00 / +1.83%
             |             
            
                55.00
             |           
            
                55.50
             |               
            
                54.50
             |                           
            
                55.50
             | 
            
                55.05
             |                     
            
                7.02
             |                                 
            
                115,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                54.50
             |           
            
                54.50
             |               
            
                54.50
             |                           
            
                54.50
             | 
            
                54.50
             |                     
            
                6.89
             |                                 
            
                37,990
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2015
             | 
            
                -0.50 / -0.91%
             |             
            
                54.00
             |           
            
                54.50
             |               
            
                54.00
             |                           
            
                54.50
             | 
            
                54.08
             |                     
            
                6.89
             |                                 
            
                20,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2015
             | 
            
                0.00 / 0.00%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                54.50
             |                           
            
                55.00
             | 
            
                54.63
             |                     
            
                6.95
             |                                 
            
                25,480
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                55.00
             |           
            
                55.50
             |               
            
                53.50
             |                           
            
                55.00
             | 
            
                54.59
             |                     
            
                6.95
             |                                 
            
                43,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2015
             | 
            
                -0.50 / -0.90%
             |             
            
                55.50
             |           
            
                56.00
             |               
            
                54.50
             |                           
            
                55.00
             | 
            
                55.15
             |                     
            
                6.95
             |                                 
            
                24,640
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2015
             | 
            
                +0.50 / +0.91%
             |             
            
                54.50
             |           
            
                55.50
             |               
            
                54.00
             |                           
            
                55.50
             | 
            
                54.82
             |                     
            
                7.02
             |                                 
            
                32,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2015
             | 
            
                +0.50 / +0.92%
             |             
            
                54.50
             |           
            
                55.50
             |               
            
                54.50
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                6.83
             |                                 
            
                138,940
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2015
             | 
            
                +0.50 / +0.93%
             |             
            
                53.00
             |           
            
                54.50
             |               
            
                53.00
             |                           
            
                54.50
             | 
            
                54.07
             |                     
            
                6.77
             |                                 
            
                13,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2015
             | 
            
                -0.50 / -0.92%
             |             
            
                54.50
             |           
            
                54.50
             |               
            
                53.50
             |                           
            
                54.00
             | 
            
                53.62
             |                     
            
                6.70
             |                                 
            
                23,180
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2015
             | 
            
                +1.50 / +2.83%
             |             
            
                53.50
             |           
            
                54.50
             |               
            
                53.00
             |                           
            
                54.50
             | 
            
                53.84
             |                     
            
                6.77
             |                                 
            
                51,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                52.50
             |                           
            
                53.00
             | 
            
                52.73
             |                     
            
                6.58
             |                                 
            
                104,430
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2015
             | 
            
                -0.50 / -0.93%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                53.00
             |                           
            
                53.00
             | 
            
                53.37
             |                     
            
                6.58
             |                                 
            
                94,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2015
             | 
            
                -1.00 / -1.83%
             |             
            
                54.00
             |           
            
                54.50
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.89
             |                     
            
                6.64
             |                                 
            
                43,790
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2015
             | 
            
                +0.50 / +0.93%
             |             
            
                54.00
             |           
            
                55.50
             |               
            
                53.50
             |                           
            
                54.50
             | 
            
                54.20
             |                     
            
                6.77
             |                                 
            
                52,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                54.50
             |           
            
                54.50
             |               
            
                53.00
             |                           
            
                54.00
             | 
            
                53.51
             |                     
            
                6.70
             |                                 
            
                118,950
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2015
             | 
            
                +1.50 / +2.86%
             |             
            
                52.50
             |           
            
                54.50
             |               
            
                52.00
             |                           
            
                54.00
             | 
            
                53.02
             |                     
            
                6.70
             |                                 
            
                110,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2015
             | 
            
                -1.00 / -1.87%
             |             
            
                51.50
             |           
            
                54.50
             |               
            
                51.00
             |                           
            
                52.50
             | 
            
                52.46
             |                     
            
                6.52
             |                                 
            
                185,140
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2015
             | 
            
                -3.50 / -6.14%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.83
             |                     
            
                6.64
             |                                 
            
                280,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2015
             | 
            
                -1.00 / -1.72%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                55.50
             |                           
            
                57.00
             | 
            
                56.21
             |                     
            
                7.08
             |                                 
            
                372,920
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2015
             | 
            
                +0.50 / +0.87%
             |             
            
                57.00
             |           
            
                59.50
             |               
            
                57.00
             |                           
            
                58.00
             | 
            
                58.50
             |                     
            
                7.20
             |                                 
            
                204,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2015
             | 
            
                -0.50 / -0.86%
             |             
            
                57.00
             |           
            
                58.00
             |               
            
                56.00
             |                           
            
                57.50
             | 
            
                56.92
             |                     
            
                7.14
             |                                 
            
                493,670
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2015
             | 
            
                0.00 / 0.00%
             |             
            
                58.00
             |           
            
                58.50
             |               
            
                57.00
             |                           
            
                58.00
             | 
            
                57.59
             |                     
            
                7.20
             |                                 
            
                64,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                58.00
             |           
            
                58.50
             |               
            
                57.00
             |                           
            
                58.00
             | 
            
                57.74
             |                     
            
                7.20
             |                                 
            
                106,450
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2015
             | 
            
                +2.00 / +3.57%
             |             
            
                56.00
             |           
            
                58.00
             |               
            
                56.00
             |                           
            
                58.00
             | 
            
                57.03
             |                     
            
                7.20
             |                                 
            
                195,390
             |  
            
                 
             |                                                              
             
    
         
    
    
 |