| 
                 
                    Closing price on 12/18/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    158.10 | 
                 
                
                    | High | 
                    160.80 | 
                 
                
                    | Low | 
                    158.10 | 
                     
                
                    | Volume | 
                    569,010 | 
                                 
                
                    | Split-adjusted Price | 
                    109.02 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/18/2018
             | 
            
                +0.40 / +0.25%
             |             
            
                158.10
             |           
            
                160.80
             |               
            
                158.10
             |                           
            
                160.50
             | 
            
                160.11
             |                     
            
                109.02
             |                                 
            
                569,010
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2018
             | 
            
                -1.40 / -0.87%
             |             
            
                160.00
             |           
            
                161.50
             |               
            
                159.80
             |                           
            
                160.10
             | 
            
                160.59
             |                     
            
                108.75
             |                                 
            
                260,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2018
             | 
            
                +2.10 / +1.32%
             |             
            
                160.00
             |           
            
                162.00
             |               
            
                159.50
             |                           
            
                161.50
             | 
            
                161.32
             |                     
            
                109.70
             |                                 
            
                745,161
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2018
             | 
            
                +2.60 / +1.66%
             |             
            
                156.80
             |           
            
                160.00
             |               
            
                156.80
             |                           
            
                159.40
             | 
            
                159.25
             |                     
            
                108.27
             |                                 
            
                459,925
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2018
             | 
            
                +0.20 / +0.13%
             |             
            
                156.00
             |           
            
                158.50
             |               
            
                156.00
             |                           
            
                156.80
             | 
            
                157.11
             |                     
            
                106.51
             |                                 
            
                203,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2018
             | 
            
                +1.60 / +1.03%
             |             
            
                155.00
             |           
            
                156.90
             |               
            
                155.00
             |                           
            
                156.60
             | 
            
                155.98
             |                     
            
                106.37
             |                                 
            
                86,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2018
             | 
            
                -3.50 / -2.21%
             |             
            
                157.50
             |           
            
                158.00
             |               
            
                155.00
             |                           
            
                155.00
             | 
            
                156.39
             |                     
            
                105.28
             |                                 
            
                130,120
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2018
             | 
            
                +1.50 / +0.96%
             |             
            
                157.00
             |           
            
                158.90
             |               
            
                156.00
             |                           
            
                158.50
             | 
            
                158.06
             |                     
            
                107.66
             |                                 
            
                120,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                155.50
             |           
            
                157.00
             |               
            
                155.50
             |                           
            
                157.00
             | 
            
                156.20
             |                     
            
                106.64
             |                                 
            
                42,350
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                155.50
             |           
            
                157.00
             |               
            
                155.50
             |                           
            
                157.00
             | 
            
                156.06
             |                     
            
                106.64
             |                                 
            
                88,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2018
             | 
            
                -2.00 / -1.26%
             |             
            
                159.00
             |           
            
                159.50
             |               
            
                156.90
             |                           
            
                157.00
             | 
            
                157.57
             |                     
            
                106.64
             |                                 
            
                110,780
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2018
             | 
            
                +3.50 / +2.25%
             |             
            
                155.50
             |           
            
                159.00
             |               
            
                154.70
             |                           
            
                159.00
             | 
            
                157.11
             |                     
            
                108.00
             |                                 
            
                125,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2018
             | 
            
                -1.50 / -0.96%
             |             
            
                157.00
             |           
            
                157.00
             |               
            
                154.10
             |                           
            
                155.50
             | 
            
                155.23
             |                     
            
                105.62
             |                                 
            
                20,730
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2018
             | 
            
                -0.30 / -0.19%
             |             
            
                158.40
             |           
            
                158.40
             |               
            
                156.00
             |                           
            
                157.00
             | 
            
                157.55
             |                     
            
                106.64
             |                                 
            
                53,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2018
             | 
            
                +2.30 / +1.48%
             |             
            
                155.00
             |           
            
                158.00
             |               
            
                155.00
             |                           
            
                157.30
             | 
            
                156.85
             |                     
            
                106.85
             |                                 
            
                130,420
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2018
             | 
            
                +4.50 / +2.99%
             |             
            
                154.00
             |           
            
                156.10
             |               
            
                154.00
             |                           
            
                155.00
             | 
            
                155.08
             |                     
            
                105.28
             |                                 
            
                190,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2018
             | 
            
                -1.20 / -0.79%
             |             
            
                147.00
             |           
            
                151.70
             |               
            
                147.00
             |                           
            
                150.50
             | 
            
                149.37
             |                     
            
                102.23
             |                                 
            
                55,340
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2018
             | 
            
                -1.80 / -1.17%
             |             
            
                153.10
             |           
            
                153.10
             |               
            
                151.50
             |                           
            
                151.70
             | 
            
                152.24
             |                     
            
                103.04
             |                                 
            
                22,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                154.80
             |           
            
                154.80
             |               
            
                152.80
             |                           
            
                153.50
             | 
            
                153.33
             |                     
            
                104.26
             |                                 
            
                18,320
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2018
             | 
            
                +2.50 / +1.66%
             |             
            
                150.90
             |           
            
                153.50
             |               
            
                150.00
             |                           
            
                153.50
             | 
            
                152.24
             |                     
            
                104.26
             |                                 
            
                254,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2018
             | 
            
                +1.00 / +0.67%
             |             
            
                150.00
             |           
            
                151.00
             |               
            
                149.50
             |                           
            
                151.00
             | 
            
                150.11
             |                     
            
                102.57
             |                                 
            
                150,980
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2018
             | 
            
                +2.10 / +1.42%
             |             
            
                149.00
             |           
            
                151.00
             |               
            
                148.00
             |                           
            
                150.00
             | 
            
                149.54
             |                     
            
                101.89
             |                                 
            
                65,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2018
             | 
            
                +2.40 / +1.65%
             |             
            
                147.00
             |           
            
                147.90
             |               
            
                145.40
             |                           
            
                147.90
             | 
            
                147.24
             |                     
            
                100.46
             |                                 
            
                67,630
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2018
             | 
            
                -0.50 / -0.34%
             |             
            
                146.00
             |           
            
                147.90
             |               
            
                145.50
             |                           
            
                145.50
             | 
            
                146.30
             |                     
            
                98.83
             |                                 
            
                82,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2018
             | 
            
                +1.00 / +0.69%
             |             
            
                145.00
             |           
            
                148.20
             |               
            
                145.00
             |                           
            
                146.00
             | 
            
                147.19
             |                     
            
                99.17
             |                                 
            
                47,960
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2018
             | 
            
                -2.70 / -1.83%
             |             
            
                142.50
             |           
            
                146.90
             |               
            
                142.50
             |                           
            
                145.00
             | 
            
                145.51
             |                     
            
                98.49
             |                                 
            
                59,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2018
             | 
            
                -2.20 / -1.47%
             |             
            
                148.00
             |           
            
                148.00
             |               
            
                146.00
             |                           
            
                147.70
             | 
            
                147.56
             |                     
            
                100.32
             |                                 
            
                20,690
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2018
             | 
            
                -2.10 / -1.38%
             |             
            
                150.10
             |           
            
                151.90
             |               
            
                149.70
             |                           
            
                149.90
             | 
            
                150.46
             |                     
            
                101.82
             |                                 
            
                40,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                152.20
             |           
            
                152.20
             |               
            
                151.00
             |                           
            
                152.00
             | 
            
                151.88
             |                     
            
                103.25
             |                                 
            
                32,920
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2018
             | 
            
                0.00 / 0.00%
             |             
            
                151.50
             |           
            
                152.30
             |               
            
                150.20
             |                           
            
                152.00
             | 
            
                151.88
             |                     
            
                103.25
             |                                 
            
                76,160
             |  
            
                 
             |                                                              
             
    
         
    
    
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