| 
                 
                    Closing price on 8/30/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    211.00 | 
                 
                
                    | High | 
                    211.00 | 
                 
                
                    | Low | 
                    208.40 | 
                     
                
                    | Volume | 
                    426,620 | 
                                 
                
                    | Split-adjusted Price | 
                    137.38 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CTD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/30/2017
             | 
            
                -4.60 / -2.15%
             |             
            
                211.00
             |           
            
                211.00
             |               
            
                208.40
             |                           
            
                208.90
             | 
            
                209.07
             |                     
            
                137.38
             |                                 
            
                426,620
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2017
             | 
            
                -1.40 / -0.65%
             |             
            
                213.50
             |           
            
                214.90
             |               
            
                213.00
             |                           
            
                213.50
             | 
            
                213.81
             |                     
            
                137.11
             |                                 
            
                378,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2017
             | 
            
                -0.10 / -0.05%
             |             
            
                215.80
             |           
            
                215.80
             |               
            
                213.00
             |                           
            
                214.90
             | 
            
                214.76
             |                     
            
                138.01
             |                                 
            
                348,260
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2017
             | 
            
                +1.00 / +0.47%
             |             
            
                212.00
             |           
            
                215.30
             |               
            
                212.00
             |                           
            
                215.00
             | 
            
                213.97
             |                     
            
                138.08
             |                                 
            
                368,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2017
             | 
            
                +3.00 / +1.42%
             |             
            
                211.00
             |           
            
                215.20
             |               
            
                211.00
             |                           
            
                214.00
             | 
            
                213.40
             |                     
            
                137.43
             |                                 
            
                387,010
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2017
             | 
            
                +1.00 / +0.48%
             |             
            
                210.00
             |           
            
                211.00
             |               
            
                210.00
             |                           
            
                211.00
             | 
            
                210.80
             |                     
            
                135.51
             |                                 
            
                338,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2017
             | 
            
                +0.60 / +0.29%
             |             
            
                209.00
             |           
            
                212.00
             |               
            
                209.00
             |                           
            
                210.00
             | 
            
                209.96
             |                     
            
                134.86
             |                                 
            
                364,370
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2017
             | 
            
                +0.40 / +0.19%
             |             
            
                209.00
             |           
            
                210.00
             |               
            
                209.00
             |                           
            
                209.40
             | 
            
                209.48
             |                     
            
                134.48
             |                                 
            
                391,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2017
             | 
            
                -1.00 / -0.48%
             |             
            
                210.00
             |           
            
                210.50
             |               
            
                209.00
             |                           
            
                209.00
             | 
            
                209.90
             |                     
            
                134.22
             |                                 
            
                60,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2017
             | 
            
                -1.80 / -0.85%
             |             
            
                212.20
             |           
            
                214.00
             |               
            
                210.00
             |                           
            
                210.00
             | 
            
                212.54
             |                     
            
                134.86
             |                                 
            
                91,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2017
             | 
            
                +3.20 / +1.53%
             |             
            
                208.50
             |           
            
                211.90
             |               
            
                208.50
             |                           
            
                211.80
             | 
            
                210.36
             |                     
            
                136.02
             |                                 
            
                77,730
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2017
             | 
            
                -0.20 / -0.10%
             |             
            
                208.50
             |           
            
                209.00
             |               
            
                208.50
             |                           
            
                208.60
             | 
            
                208.65
             |                     
            
                133.97
             |                                 
            
                84,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2017
             | 
            
                +0.50 / +0.24%
             |             
            
                208.30
             |           
            
                209.30
             |               
            
                208.30
             |                           
            
                208.80
             | 
            
                208.56
             |                     
            
                134.09
             |                                 
            
                57,390
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2017
             | 
            
                -1.70 / -0.81%
             |             
            
                210.00
             |           
            
                210.00
             |               
            
                207.00
             |                           
            
                208.30
             | 
            
                208.46
             |                     
            
                133.77
             |                                 
            
                36,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2017
             | 
            
                +1.10 / +0.53%
             |             
            
                208.50
             |           
            
                211.50
             |               
            
                208.50
             |                           
            
                210.00
             | 
            
                209.81
             |                     
            
                134.86
             |                                 
            
                74,330
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2017
             | 
            
                -2.80 / -1.32%
             |             
            
                211.70
             |           
            
                211.70
             |               
            
                207.60
             |                           
            
                208.90
             | 
            
                208.55
             |                     
            
                134.16
             |                                 
            
                94,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2017
             | 
            
                +0.70 / +0.33%
             |             
            
                212.00
             |           
            
                212.80
             |               
            
                211.00
             |                           
            
                211.70
             | 
            
                211.69
             |                     
            
                135.96
             |                                 
            
                68,070
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2017
             | 
            
                +2.00 / +0.96%
             |             
            
                209.00
             |           
            
                211.50
             |               
            
                208.80
             |                           
            
                211.00
             | 
            
                210.25
             |                     
            
                135.51
             |                                 
            
                94,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2017
             | 
            
                +0.20 / +0.10%
             |             
            
                208.00
             |           
            
                209.20
             |               
            
                208.00
             |                           
            
                209.00
             | 
            
                208.74
             |                     
            
                134.22
             |                                 
            
                79,590
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2017
             | 
            
                -1.00 / -0.48%
             |             
            
                206.50
             |           
            
                210.10
             |               
            
                206.50
             |                           
            
                208.80
             | 
            
                209.58
             |                     
            
                134.09
             |                                 
            
                82,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2017
             | 
            
                -0.10 / -0.05%
             |             
            
                204.00
             |           
            
                209.80
             |               
            
                204.00
             |                           
            
                209.80
             | 
            
                208.16
             |                     
            
                134.74
             |                                 
            
                149,110
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2017
             | 
            
                +1.60 / +0.77%
             |             
            
                208.30
             |           
            
                209.90
             |               
            
                204.00
             |                           
            
                209.90
             | 
            
                208.32
             |                     
            
                134.80
             |                                 
            
                131,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2017
             | 
            
                +4.30 / +2.11%
             |             
            
                204.00
             |           
            
                208.50
             |               
            
                202.00
             |                           
            
                208.30
             | 
            
                205.73
             |                     
            
                133.77
             |                                 
            
                111,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2017
             | 
            
                +5.00 / +2.51%
             |             
            
                199.00
             |           
            
                204.00
             |               
            
                197.80
             |                           
            
                204.00
             | 
            
                201.45
             |                     
            
                131.01
             |                                 
            
                120,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2017
             | 
            
                +1.10 / +0.56%
             |             
            
                197.90
             |           
            
                199.80
             |               
            
                197.60
             |                           
            
                199.00
             | 
            
                198.28
             |                     
            
                127.80
             |                                 
            
                93,980
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2017
             | 
            
                +1.90 / +0.97%
             |             
            
                198.00
             |           
            
                200.00
             |               
            
                196.80
             |                           
            
                197.90
             | 
            
                197.95
             |                     
            
                127.09
             |                                 
            
                197,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2017
             | 
            
                -1.50 / -0.76%
             |             
            
                197.50
             |           
            
                197.50
             |               
            
                193.60
             |                           
            
                196.00
             | 
            
                195.26
             |                     
            
                125.87
             |                                 
            
                245,010
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2017
             | 
            
                +2.50 / +1.28%
             |             
            
                194.50
             |           
            
                197.50
             |               
            
                189.80
             |                           
            
                197.50
             | 
            
                193.37
             |                     
            
                126.84
             |                                 
            
                279,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2017
             | 
            
                -7.00 / -3.47%
             |             
            
                204.50
             |           
            
                204.50
             |               
            
                195.00
             |                           
            
                195.00
             | 
            
                198.30
             |                     
            
                125.23
             |                                 
            
                305,490
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2017
             | 
            
                -6.50 / -3.12%
             |             
            
                202.00
             |           
            
                207.00
             |               
            
                201.50
             |                           
            
                202.00
             | 
            
                202.72
             |                     
            
                129.73
             |                                 
            
                307,570
             |  
            
                 
             |                                                              
             
    
         
    
    
 |