| 
                 
                    Closing price on 4/19/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    120.40 | 
                 
                
                    | High | 
                    122.00 | 
                 
                
                    | Low | 
                    120.30 | 
                     
                
                    | Volume | 
                    222,600 | 
                                 
                
                    | Split-adjusted Price | 
                    82.53 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/19/2019
             | 
            
                +0.90 / +0.75%
             |             
            
                120.40
             |           
            
                122.00
             |               
            
                120.30
             |                           
            
                121.50
             | 
            
                120.92
             |                     
            
                82.53
             |                                 
            
                222,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2019
             | 
            
                -1.00 / -0.82%
             |             
            
                121.00
             |           
            
                121.60
             |               
            
                120.00
             |                           
            
                120.60
             | 
            
                120.70
             |                     
            
                81.92
             |                                 
            
                264,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2019
             | 
            
                -2.40 / -1.94%
             |             
            
                123.20
             |           
            
                123.90
             |               
            
                121.00
             |                           
            
                121.60
             | 
            
                122.10
             |                     
            
                82.60
             |                                 
            
                240,130
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2019
             | 
            
                -2.10 / -1.67%
             |             
            
                125.00
             |           
            
                125.00
             |               
            
                122.20
             |                           
            
                124.00
             | 
            
                123.96
             |                     
            
                84.23
             |                                 
            
                182,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2019
             | 
            
                +4.40 / +3.62%
             |             
            
                122.00
             |           
            
                126.40
             |               
            
                122.00
             |                           
            
                126.10
             | 
            
                124.92
             |                     
            
                85.65
             |                                 
            
                270,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2019
             | 
            
                -0.10 / -0.08%
             |             
            
                121.60
             |           
            
                127.00
             |               
            
                119.70
             |                           
            
                121.70
             | 
            
                121.58
             |                     
            
                82.66
             |                                 
            
                990,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2019
             | 
            
                -9.10 / -6.95%
             |             
            
                121.80
             |           
            
                128.00
             |               
            
                121.80
             |                           
            
                121.80
             | 
            
                122.42
             |                     
            
                82.73
             |                                 
            
                698,410
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2019
             | 
            
                -9.80 / -6.97%
             |             
            
                140.00
             |           
            
                140.10
             |               
            
                130.90
             |                           
            
                130.90
             | 
            
                133.21
             |                     
            
                88.91
             |                                 
            
                651,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                141.90
             |           
            
                142.00
             |               
            
                140.50
             |                           
            
                140.70
             | 
            
                140.88
             |                     
            
                95.57
             |                                 
            
                42,980
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2019
             | 
            
                -0.20 / -0.14%
             |             
            
                140.40
             |           
            
                142.40
             |               
            
                140.40
             |                           
            
                140.70
             | 
            
                141.50
             |                     
            
                95.57
             |                                 
            
                132,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2019
             | 
            
                -1.50 / -1.05%
             |             
            
                141.00
             |           
            
                142.70
             |               
            
                140.90
             |                           
            
                140.90
             | 
            
                141.43
             |                     
            
                95.71
             |                                 
            
                52,470
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2019
             | 
            
                -0.10 / -0.07%
             |             
            
                142.50
             |           
            
                142.50
             |               
            
                140.10
             |                           
            
                142.40
             | 
            
                141.50
             |                     
            
                96.72
             |                                 
            
                57,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2019
             | 
            
                +0.60 / +0.42%
             |             
            
                142.00
             |           
            
                143.00
             |               
            
                140.90
             |                           
            
                142.50
             | 
            
                141.71
             |                     
            
                96.79
             |                                 
            
                110,590
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2019
             | 
            
                -1.50 / -1.05%
             |             
            
                141.00
             |           
            
                142.20
             |               
            
                141.00
             |                           
            
                141.90
             | 
            
                141.80
             |                     
            
                96.39
             |                                 
            
                65,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2019
             | 
            
                -2.60 / -1.78%
             |             
            
                146.00
             |           
            
                146.20
             |               
            
                143.00
             |                           
            
                143.40
             | 
            
                143.96
             |                     
            
                97.40
             |                                 
            
                89,830
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2019
             | 
            
                +4.00 / +2.82%
             |             
            
                141.00
             |           
            
                146.00
             |               
            
                141.00
             |                           
            
                146.00
             | 
            
                144.66
             |                     
            
                99.17
             |                                 
            
                212,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2019
             | 
            
                +1.60 / +1.14%
             |             
            
                140.50
             |           
            
                142.00
             |               
            
                140.40
             |                           
            
                142.00
             | 
            
                141.11
             |                     
            
                96.45
             |                                 
            
                42,890
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2019
             | 
            
                +2.40 / +1.74%
             |             
            
                137.00
             |           
            
                140.40
             |               
            
                137.00
             |                           
            
                140.40
             | 
            
                139.20
             |                     
            
                95.37
             |                                 
            
                79,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2019
             | 
            
                -4.90 / -3.43%
             |             
            
                141.00
             |           
            
                141.30
             |               
            
                138.00
             |                           
            
                138.00
             | 
            
                140.10
             |                     
            
                93.74
             |                                 
            
                88,450
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2019
             | 
            
                +0.90 / +0.63%
             |             
            
                142.00
             |           
            
                142.90
             |               
            
                140.00
             |                           
            
                142.90
             | 
            
                141.98
             |                     
            
                97.06
             |                                 
            
                114,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2019
             | 
            
                +0.10 / +0.07%
             |             
            
                141.80
             |           
            
                142.80
             |               
            
                141.00
             |                           
            
                142.00
             | 
            
                141.94
             |                     
            
                96.45
             |                                 
            
                194,380
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2019
             | 
            
                -0.40 / -0.28%
             |             
            
                142.50
             |           
            
                143.00
             |               
            
                140.00
             |                           
            
                141.90
             | 
            
                141.19
             |                     
            
                96.39
             |                                 
            
                85,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2019
             | 
            
                +0.60 / +0.42%
             |             
            
                142.00
             |           
            
                143.50
             |               
            
                141.50
             |                           
            
                142.30
             | 
            
                142.55
             |                     
            
                96.66
             |                                 
            
                203,850
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2019
             | 
            
                -0.30 / -0.21%
             |             
            
                142.00
             |           
            
                142.70
             |               
            
                141.20
             |                           
            
                141.70
             | 
            
                141.97
             |                     
            
                96.25
             |                                 
            
                95,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2019
             | 
            
                -2.20 / -1.53%
             |             
            
                144.30
             |           
            
                144.30
             |               
            
                142.00
             |                           
            
                142.00
             | 
            
                142.88
             |                     
            
                96.45
             |                                 
            
                139,980
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2019
             | 
            
                +2.20 / +1.55%
             |             
            
                142.00
             |           
            
                144.80
             |               
            
                142.00
             |                           
            
                144.20
             | 
            
                143.70
             |                     
            
                97.95
             |                                 
            
                176,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2019
             | 
            
                +0.10 / +0.07%
             |             
            
                142.00
             |           
            
                142.40
             |               
            
                141.50
             |                           
            
                142.00
             | 
            
                141.81
             |                     
            
                96.45
             |                                 
            
                158,550
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2019
             | 
            
                +0.90 / +0.64%
             |             
            
                141.00
             |           
            
                142.90
             |               
            
                140.20
             |                           
            
                141.90
             | 
            
                141.69
             |                     
            
                96.39
             |                                 
            
                298,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2019
             | 
            
                -0.10 / -0.07%
             |             
            
                142.00
             |           
            
                142.00
             |               
            
                138.00
             |                           
            
                141.00
             | 
            
                140.19
             |                     
            
                95.77
             |                                 
            
                152,130
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2019
             | 
            
                +5.60 / +4.13%
             |             
            
                135.50
             |           
            
                144.90
             |               
            
                133.50
             |                           
            
                141.10
             | 
            
                139.99
             |                     
            
                95.84
             |                                 
            
                427,970
             |  
            
                 
             |                                                              
             
    
         
    
    
 |