| 
                 
                    Closing price on 6/29/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    82.40 | 
                 
                
                    | High | 
                    83.00 | 
                 
                
                    | Low | 
                    78.30 | 
                     
                
                    | Volume | 
                    226,732 | 
                                 
                
                    | Split-adjusted Price | 
                    51.39 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
VCS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/29/2018
             | 
            
                -3.70 / -4.51%
             |             
            
                82.40
             |           
            
                83.00
             |               
            
                78.30
             |                           
            
                78.30
             | 
            
                79.78
             |                     
            
                51.39
             |                                 
            
                226,732
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2018
             | 
            
                -3.00 / -3.53%
             |             
            
                85.00
             |           
            
                85.00
             |               
            
                82.00
             |                           
            
                82.00
             | 
            
                82.97
             |                     
            
                53.82
             |                                 
            
                107,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                85.00
             |           
            
                87.00
             |               
            
                83.50
             |                           
            
                85.00
             | 
            
                85.08
             |                     
            
                55.79
             |                                 
            
                113,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2018
             | 
            
                -0.60 / -0.70%
             |             
            
                87.40
             |           
            
                87.40
             |               
            
                82.50
             |                           
            
                85.00
             | 
            
                83.60
             |                     
            
                55.79
             |                                 
            
                222,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2018
             | 
            
                +0.60 / +0.71%
             |             
            
                87.00
             |           
            
                88.60
             |               
            
                85.50
             |                           
            
                85.60
             | 
            
                86.50
             |                     
            
                56.19
             |                                 
            
                118,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2018
             | 
            
                -0.50 / -0.58%
             |             
            
                85.00
             |           
            
                86.00
             |               
            
                83.00
             |                           
            
                85.00
             | 
            
                84.66
             |                     
            
                55.79
             |                                 
            
                184,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2018
             | 
            
                -2.50 / -2.84%
             |             
            
                90.00
             |           
            
                90.00
             |               
            
                84.50
             |                           
            
                85.50
             | 
            
                85.93
             |                     
            
                56.12
             |                                 
            
                104,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2018
             | 
            
                +1.40 / +1.62%
             |             
            
                86.60
             |           
            
                89.80
             |               
            
                86.60
             |                           
            
                88.00
             | 
            
                87.93
             |                     
            
                57.76
             |                                 
            
                88,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2018
             | 
            
                -7.00 / -7.48%
             |             
            
                94.00
             |           
            
                94.00
             |               
            
                84.30
             |                           
            
                86.60
             | 
            
                85.84
             |                     
            
                56.84
             |                                 
            
                532,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2018
             | 
            
                -4.40 / -4.49%
             |             
            
                98.00
             |           
            
                98.00
             |               
            
                93.60
             |                           
            
                93.60
             | 
            
                96.10
             |                     
            
                61.44
             |                                 
            
                155,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                96.00
             |           
            
                98.20
             |               
            
                95.90
             |                           
            
                98.00
             | 
            
                97.06
             |                     
            
                64.32
             |                                 
            
                174,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2018
             | 
            
                -0.30 / -0.31%
             |             
            
                98.10
             |           
            
                100.00
             |               
            
                97.00
             |                           
            
                98.00
             | 
            
                98.20
             |                     
            
                64.32
             |                                 
            
                106,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2018
             | 
            
                +0.30 / +0.31%
             |             
            
                98.00
             |           
            
                99.40
             |               
            
                97.10
             |                           
            
                98.30
             | 
            
                98.27
             |                     
            
                64.52
             |                                 
            
                111,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2018
             | 
            
                -4.20 / -4.11%
             |             
            
                102.00
             |           
            
                102.10
             |               
            
                94.80
             |                           
            
                98.00
             | 
            
                97.93
             |                     
            
                64.32
             |                                 
            
                312,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2018
             | 
            
                -2.30 / -2.20%
             |             
            
                103.10
             |           
            
                104.90
             |               
            
                101.00
             |                           
            
                102.20
             | 
            
                103.03
             |                     
            
                67.08
             |                                 
            
                108,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2018
             | 
            
                +2.00 / +1.95%
             |             
            
                100.60
             |           
            
                106.00
             |               
            
                100.10
             |                           
            
                104.50
             | 
            
                103.72
             |                     
            
                68.59
             |                                 
            
                191,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2018
             | 
            
                -2.50 / -2.38%
             |             
            
                105.00
             |           
            
                108.00
             |               
            
                102.00
             |                           
            
                102.50
             | 
            
                103.97
             |                     
            
                67.28
             |                                 
            
                189,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2018
             | 
            
                +8.00 / +8.25%
             |             
            
                97.00
             |           
            
                105.00
             |               
            
                95.10
             |                           
            
                105.00
             | 
            
                102.37
             |                     
            
                68.92
             |                                 
            
                385,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                97.00
             |           
            
                99.00
             |               
            
                95.60
             |                           
            
                97.00
             | 
            
                97.35
             |                     
            
                63.67
             |                                 
            
                88,125
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2018
             | 
            
                +4.90 / +5.32%
             |             
            
                92.20
             |           
            
                97.00
             |               
            
                92.10
             |                           
            
                97.00
             | 
            
                94.30
             |                     
            
                63.67
             |                                 
            
                203,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2018
             | 
            
                -2.30 / -2.44%
             |             
            
                93.00
             |           
            
                96.50
             |               
            
                91.60
             |                           
            
                92.10
             | 
            
                93.30
             |                     
            
                60.45
             |                                 
            
                134,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2018
             | 
            
                +3.30 / +3.62%
             |             
            
                90.10
             |           
            
                94.40
             |               
            
                90.00
             |                           
            
                94.40
             | 
            
                91.78
             |                     
            
                61.96
             |                                 
            
                131,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2018
             | 
            
                -2.40 / -2.57%
             |             
            
                95.00
             |           
            
                95.00
             |               
            
                90.00
             |                           
            
                91.10
             | 
            
                91.39
             |                     
            
                59.80
             |                                 
            
                88,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2018
             | 
            
                +8.50 / +10.00%
             |             
            
                85.00
             |           
            
                93.50
             |               
            
                78.00
             |                           
            
                93.50
             | 
            
                87.83
             |                     
            
                61.37
             |                                 
            
                339,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2018
             | 
            
                -9.40 / -9.96%
             |             
            
                94.00
             |           
            
                94.00
             |               
            
                85.00
             |                           
            
                85.00
             | 
            
                85.96
             |                     
            
                55.79
             |                                 
            
                668,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2018
             | 
            
                -6.60 / -6.53%
             |             
            
                99.20
             |           
            
                101.40
             |               
            
                94.40
             |                           
            
                94.40
             | 
            
                97.36
             |                     
            
                61.96
             |                                 
            
                131,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2018
             | 
            
                +1.10 / +1.10%
             |             
            
                101.80
             |           
            
                103.50
             |               
            
                98.80
             |                           
            
                101.00
             | 
            
                101.16
             |                     
            
                66.29
             |                                 
            
                113,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2018
             | 
            
                +4.50 / +4.72%
             |             
            
                100.00
             |           
            
                100.00
             |               
            
                95.00
             |                           
            
                99.90
             | 
            
                97.20
             |                     
            
                65.57
             |                                 
            
                188,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2018
             | 
            
                -10.60 / -10.00%
             |             
            
                106.00
             |           
            
                106.00
             |               
            
                95.40
             |                           
            
                95.40
             | 
            
                99.56
             |                     
            
                62.62
             |                                 
            
                344,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2018
             | 
            
                -2.60 / -2.39%
             |             
            
                108.50
             |           
            
                110.00
             |               
            
                105.00
             |                           
            
                106.00
             | 
            
                108.09
             |                     
            
                69.58
             |                                 
            
                63,100
             |  
            
                 
             |                                                              
             
    
         
    
    
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