| 
                 
                    Closing price on 4/1/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    141.00 | 
                 
                
                    | High | 
                    142.20 | 
                 
                
                    | Low | 
                    141.00 | 
                     
                
                    | Volume | 
                    65,930 | 
                                 
                
                    | Split-adjusted Price | 
                    96.39 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2019
             | 
            
                +2.50 / +1.88%
             |             
            
                133.00
             |           
            
                136.00
             |               
            
                131.90
             |                           
            
                135.50
             | 
            
                133.45
             |                     
            
                92.04
             |                                 
            
                237,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2019
             | 
            
                -0.50 / -0.37%
             |             
            
                133.50
             |           
            
                135.00
             |               
            
                131.90
             |                           
            
                133.00
             | 
            
                132.98
             |                     
            
                90.34
             |                                 
            
                185,040
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2019
             | 
            
                -0.70 / -0.52%
             |             
            
                134.20
             |           
            
                136.00
             |               
            
                133.50
             |                           
            
                133.50
             | 
            
                134.47
             |                     
            
                90.68
             |                                 
            
                187,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2019
             | 
            
                0.00 / 0.00%
             |             
            
                134.20
             |           
            
                136.90
             |               
            
                134.20
             |                           
            
                134.20
             | 
            
                135.17
             |                     
            
                91.15
             |                                 
            
                154,640
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2019
             | 
            
                +0.40 / +0.30%
             |             
            
                134.00
             |           
            
                135.00
             |               
            
                134.00
             |                           
            
                134.20
             | 
            
                134.49
             |                     
            
                91.15
             |                                 
            
                51,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2019
             | 
            
                -2.70 / -1.98%
             |             
            
                137.50
             |           
            
                137.50
             |               
            
                133.80
             |                           
            
                133.80
             | 
            
                135.60
             |                     
            
                90.88
             |                                 
            
                124,220
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2019
             | 
            
                +0.90 / +0.66%
             |             
            
                136.00
             |           
            
                136.90
             |               
            
                135.60
             |                           
            
                136.50
             | 
            
                136.22
             |                     
            
                92.72
             |                                 
            
                49,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2019
             | 
            
                -0.40 / -0.29%
             |             
            
                136.90
             |           
            
                138.00
             |               
            
                135.00
             |                           
            
                135.60
             | 
            
                136.58
             |                     
            
                92.11
             |                                 
            
                81,830
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2019
             | 
            
                +1.80 / +1.34%
             |             
            
                134.20
             |           
            
                137.00
             |               
            
                134.20
             |                           
            
                136.00
             | 
            
                136.09
             |                     
            
                92.38
             |                                 
            
                71,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2019
             | 
            
                -2.80 / -2.04%
             |             
            
                135.80
             |           
            
                137.00
             |               
            
                134.20
             |                           
            
                134.20
             | 
            
                135.59
             |                     
            
                91.15
             |                                 
            
                111,040
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2019
             | 
            
                -0.10 / -0.07%
             |             
            
                137.10
             |           
            
                137.10
             |               
            
                136.00
             |                           
            
                137.00
             | 
            
                136.56
             |                     
            
                93.06
             |                                 
            
                82,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2019
             | 
            
                +0.30 / +0.22%
             |             
            
                136.10
             |           
            
                138.00
             |               
            
                136.10
             |                           
            
                137.10
             | 
            
                137.03
             |                     
            
                93.12
             |                                 
            
                59,520
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2019
             | 
            
                -2.80 / -2.01%
             |             
            
                139.50
             |           
            
                139.80
             |               
            
                136.80
             |                           
            
                136.80
             | 
            
                137.88
             |                     
            
                92.92
             |                                 
            
                141,990
             |  
            
                 
             |                                                              
             
    
         
    
    
 |