| 
                 
                    Closing price on 10/22/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    156.00 | 
                 
                
                    | High | 
                    156.00 | 
                 
                
                    | Low | 
                    151.90 | 
                     
                
                    | Volume | 
                    80,970 | 
                                 
                
                    | Split-adjusted Price | 
                    103.18 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/22/2018
             | 
            
                -2.60 / -1.68%
             |             
            
                156.00
             |           
            
                156.00
             |               
            
                151.90
             |                           
            
                151.90
             | 
            
                152.86
             |                     
            
                103.18
             |                                 
            
                80,970
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2018
             | 
            
                -1.50 / -0.96%
             |             
            
                155.00
             |           
            
                155.40
             |               
            
                154.00
             |                           
            
                154.50
             | 
            
                154.65
             |                     
            
                104.94
             |                                 
            
                105,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2018
             | 
            
                -1.50 / -0.95%
             |             
            
                157.50
             |           
            
                159.00
             |               
            
                156.00
             |                           
            
                156.00
             | 
            
                157.69
             |                     
            
                105.96
             |                                 
            
                80,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2018
             | 
            
                +0.30 / +0.19%
             |             
            
                158.20
             |           
            
                159.00
             |               
            
                157.50
             |                           
            
                157.50
             | 
            
                157.99
             |                     
            
                106.98
             |                                 
            
                30,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2018
             | 
            
                +1.20 / +0.77%
             |             
            
                156.00
             |           
            
                157.60
             |               
            
                155.50
             |                           
            
                157.20
             | 
            
                156.57
             |                     
            
                106.78
             |                                 
            
                39,210
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2018
             | 
            
                -0.10 / -0.06%
             |             
            
                157.30
             |           
            
                160.00
             |               
            
                154.00
             |                           
            
                156.00
             | 
            
                155.41
             |                     
            
                105.96
             |                                 
            
                124,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2018
             | 
            
                -0.40 / -0.26%
             |             
            
                156.00
             |           
            
                158.00
             |               
            
                154.30
             |                           
            
                156.10
             | 
            
                156.33
             |                     
            
                106.03
             |                                 
            
                221,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2018
             | 
            
                -9.30 / -5.61%
             |             
            
                160.50
             |           
            
                162.50
             |               
            
                155.00
             |                           
            
                156.50
             | 
            
                158.60
             |                     
            
                106.30
             |                                 
            
                330,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                165.90
             |           
            
                166.50
             |               
            
                165.10
             |                           
            
                165.80
             | 
            
                165.93
             |                     
            
                112.62
             |                                 
            
                56,850
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2018
             | 
            
                -0.30 / -0.18%
             |             
            
                166.00
             |           
            
                167.60
             |               
            
                165.80
             |                           
            
                165.80
             | 
            
                166.38
             |                     
            
                112.62
             |                                 
            
                47,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2018
             | 
            
                +0.10 / +0.06%
             |             
            
                168.00
             |           
            
                168.50
             |               
            
                165.00
             |                           
            
                166.10
             | 
            
                167.37
             |                     
            
                112.82
             |                                 
            
                166,210
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2018
             | 
            
                +1.20 / +0.73%
             |             
            
                164.80
             |           
            
                168.20
             |               
            
                164.80
             |                           
            
                166.00
             | 
            
                167.36
             |                     
            
                112.75
             |                                 
            
                296,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2018
             | 
            
                +1.30 / +0.80%
             |             
            
                163.60
             |           
            
                165.00
             |               
            
                163.50
             |                           
            
                164.80
             | 
            
                164.33
             |                     
            
                111.94
             |                                 
            
                64,060
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2018
             | 
            
                0.00 / 0.00%
             |             
            
                163.50
             |           
            
                164.70
             |               
            
                163.00
             |                           
            
                163.50
             | 
            
                163.65
             |                     
            
                111.06
             |                                 
            
                105,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2018
             | 
            
                -1.30 / -0.79%
             |             
            
                164.80
             |           
            
                165.60
             |               
            
                163.50
             |                           
            
                163.50
             | 
            
                163.90
             |                     
            
                111.06
             |                                 
            
                146,240
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2018
             | 
            
                -1.20 / -0.72%
             |             
            
                166.00
             |           
            
                166.70
             |               
            
                164.20
             |                           
            
                164.80
             | 
            
                165.53
             |                     
            
                111.94
             |                                 
            
                181,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2018
             | 
            
                -2.30 / -1.37%
             |             
            
                168.50
             |           
            
                169.00
             |               
            
                166.00
             |                           
            
                166.00
             | 
            
                167.28
             |                     
            
                112.75
             |                                 
            
                107,840
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2018
             | 
            
                +2.30 / +1.39%
             |             
            
                166.00
             |           
            
                168.70
             |               
            
                165.10
             |                           
            
                168.30
             | 
            
                166.57
             |                     
            
                114.32
             |                                 
            
                183,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2018
             | 
            
                -2.00 / -1.19%
             |             
            
                167.80
             |           
            
                168.40
             |               
            
                166.00
             |                           
            
                166.00
             | 
            
                167.41
             |                     
            
                112.75
             |                                 
            
                203,380
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2018
             | 
            
                -1.80 / -1.06%
             |             
            
                169.80
             |           
            
                170.00
             |               
            
                167.40
             |                           
            
                168.00
             | 
            
                168.58
             |                     
            
                114.11
             |                                 
            
                124,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2018
             | 
            
                +2.80 / +1.68%
             |             
            
                167.30
             |           
            
                170.00
             |               
            
                167.00
             |                           
            
                169.80
             | 
            
                168.68
             |                     
            
                115.34
             |                                 
            
                236,590
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2018
             | 
            
                +4.00 / +2.45%
             |             
            
                164.00
             |           
            
                167.50
             |               
            
                162.50
             |                           
            
                167.00
             | 
            
                165.14
             |                     
            
                113.43
             |                                 
            
                576,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2018
             | 
            
                +0.50 / +0.31%
             |             
            
                162.00
             |           
            
                163.50
             |               
            
                162.00
             |                           
            
                163.00
             | 
            
                162.78
             |                     
            
                110.72
             |                                 
            
                123,950
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                164.80
             |           
            
                164.80
             |               
            
                162.30
             |                           
            
                162.50
             | 
            
                163.40
             |                     
            
                110.38
             |                                 
            
                110,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2018
             | 
            
                +2.40 / +1.50%
             |             
            
                160.00
             |           
            
                162.90
             |               
            
                159.50
             |                           
            
                162.50
             | 
            
                161.07
             |                     
            
                110.38
             |                                 
            
                142,470
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2018
             | 
            
                -2.90 / -1.78%
             |             
            
                162.10
             |           
            
                163.00
             |               
            
                160.10
             |                           
            
                160.10
             | 
            
                161.61
             |                     
            
                108.75
             |                                 
            
                198,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2018
             | 
            
                -0.20 / -0.12%
             |             
            
                163.00
             |           
            
                164.00
             |               
            
                163.00
             |                           
            
                163.00
             | 
            
                163.28
             |                     
            
                110.72
             |                                 
            
                75,770
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2018
             | 
            
                -0.80 / -0.49%
             |             
            
                164.00
             |           
            
                164.90
             |               
            
                162.70
             |                           
            
                163.20
             | 
            
                163.19
             |                     
            
                110.85
             |                                 
            
                84,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                164.90
             |           
            
                166.90
             |               
            
                162.00
             |                           
            
                164.00
             | 
            
                164.95
             |                     
            
                111.40
             |                                 
            
                192,220
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2018
             | 
            
                +1.70 / +1.05%
             |             
            
                162.30
             |           
            
                164.50
             |               
            
                162.00
             |                           
            
                164.00
             | 
            
                163.58
             |                     
            
                111.40
             |                                 
            
                912,300
             |  
            
                 
             |                                                              
             
    
         
    
    
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