| 
                 
                    Closing price on 6/9/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    58.50 | 
                 
                
                    | High | 
                    61.00 | 
                 
                
                    | Low | 
                    57.00 | 
                     
                
                    | Volume | 
                    99,400 | 
                                 
                
                    | Split-adjusted Price | 
                    4.95 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VSC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/9/2014
             | 
            
                +1.00 / +1.71%
             |             
            
                58.50
             |           
            
                61.00
             |               
            
                57.00
             |                           
            
                59.50
             | 
            
                59.50
             |                     
            
                4.95
             |                                 
            
                99,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2014
             | 
            
                +2.00 / +3.54%
             |             
            
                56.50
             |           
            
                58.50
             |               
            
                56.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                4.86
             |                                 
            
                25,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2014
             | 
            
                +0.50 / +0.89%
             |             
            
                56.00
             |           
            
                57.00
             |               
            
                56.00
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                4.70
             |                                 
            
                21,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2014
             | 
            
                +0.50 / +0.90%
             |             
            
                55.50
             |           
            
                56.00
             |               
            
                55.50
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                4.66
             |                                 
            
                56,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2014
             | 
            
                -0.50 / -0.89%
             |             
            
                56.00
             |           
            
                56.50
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                4.62
             |                                 
            
                22,750
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2014
             | 
            
                -2.00 / -3.45%
             |             
            
                57.00
             |           
            
                57.50
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                4.66
             |                                 
            
                35,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2014
             | 
            
                -0.50 / -0.85%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                57.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                4.82
             |                                 
            
                36,220
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2014
             | 
            
                0.00 / 0.00%
             |             
            
                58.00
             |           
            
                59.00
             |               
            
                57.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                4.86
             |                                 
            
                73,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2014
             | 
            
                0.00 / 0.00%
             |             
            
                58.50
             |           
            
                60.50
             |               
            
                58.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                4.86
             |                                 
            
                57,790
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2014
             | 
            
                +0.50 / +0.86%
             |             
            
                58.00
             |           
            
                59.00
             |               
            
                56.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                4.86
             |                                 
            
                77,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2014
             | 
            
                0.00 / 0.00%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                56.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                4.82
             |                                 
            
                29,250
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2014
             | 
            
                +1.00 / +1.75%
             |             
            
                57.00
             |           
            
                58.00
             |               
            
                55.50
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                4.82
             |                                 
            
                54,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2014
             | 
            
                -1.00 / -1.72%
             |             
            
                58.00
             |           
            
                61.50
             |               
            
                56.50
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                4.74
             |                                 
            
                63,910
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2014
             | 
            
                +3.50 / +6.42%
             |             
            
                55.00
             |           
            
                58.00
             |               
            
                54.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                4.82
             |                                 
            
                83,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2014
             | 
            
                +0.50 / +0.93%
             |             
            
                54.00
             |           
            
                54.50
             |               
            
                52.50
             |                           
            
                54.50
             | 
            
                54.50
             |                     
            
                4.53
             |                                 
            
                70,450
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2014
             | 
            
                +3.00 / +5.88%
             |             
            
                51.00
             |           
            
                54.50
             |               
            
                51.00
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                4.49
             |                                 
            
                136,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2014
             | 
            
                +1.20 / +2.41%
             |             
            
                50.00
             |           
            
                52.00
             |               
            
                49.00
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                4.24
             |                                 
            
                22,640
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2014
             | 
            
                -3.20 / -6.04%
             |             
            
                52.00
             |           
            
                53.00
             |               
            
                49.50
             |                           
            
                49.80
             | 
            
                49.80
             |                     
            
                4.14
             |                                 
            
                54,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2014
             | 
            
                +3.40 / +6.85%
             |             
            
                48.60
             |           
            
                53.00
             |               
            
                48.60
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                4.41
             |                                 
            
                230,030
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2014
             | 
            
                -3.40 / -6.42%
             |             
            
                50.00
             |           
            
                52.50
             |               
            
                49.50
             |                           
            
                49.60
             | 
            
                49.60
             |                     
            
                4.12
             |                                 
            
                238,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2014
             | 
            
                -3.50 / -6.19%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                53.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                4.41
             |                                 
            
                187,070
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2014
             | 
            
                -1.50 / -2.59%
             |             
            
                57.00
             |           
            
                59.00
             |               
            
                54.00
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                4.70
             |                                 
            
                97,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2014
             | 
            
                -4.00 / -6.45%
             |             
            
                60.00
             |           
            
                60.50
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                4.82
             |                                 
            
                212,580
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2014
             | 
            
                +1.00 / +1.64%
             |             
            
                61.00
             |           
            
                62.50
             |               
            
                60.00
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                5.16
             |                                 
            
                47,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2014
             | 
            
                -0.50 / -0.81%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                58.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                5.07
             |                                 
            
                128,840
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2014
             | 
            
                -2.50 / -3.91%
             |             
            
                65.00
             |           
            
                65.00
             |               
            
                61.50
             |                           
            
                61.50
             | 
            
                61.50
             |                     
            
                5.11
             |                                 
            
                32,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2014
             | 
            
                -0.50 / -0.78%
             |             
            
                63.50
             |           
            
                65.00
             |               
            
                63.50
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                5.32
             |                                 
            
                13,870
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2014
             | 
            
                -0.50 / -0.77%
             |             
            
                65.00
             |           
            
                66.00
             |               
            
                64.50
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                5.36
             |                                 
            
                29,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2014
             | 
            
                +2.00 / +3.17%
             |             
            
                64.00
             |           
            
                66.00
             |               
            
                64.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                5.41
             |                                 
            
                32,010
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2014
             | 
            
                +0.50 / +0.80%
             |             
            
                62.00
             |           
            
                63.50
             |               
            
                62.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                5.24
             |                                 
            
                51,760
             |  
            
                 
             |                                                              
             
    
         
    
    
 |