| 
                 
                    Closing price on 12/13/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    89.60 | 
                 
                
                    | High | 
                    92.00 | 
                 
                
                    | Low | 
                    89.60 | 
                     
                
                    | Volume | 
                    10,700 | 
                                 
                
                    | Split-adjusted Price | 
                    40.57 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
YTC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/13/2018
             | 
            
                -0.40 / -0.44%
             |             
            
                89.60
             |           
            
                92.00
             |               
            
                89.60
             |                           
            
                89.60
             | 
            
                91.65
             |                     
            
                40.57
             |                                 
            
                10,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/12/2018
             | 
            
                +7.00 / +8.43%
             |             
            
                90.00
             |           
            
                90.00
             |               
            
                70.60
             |                           
            
                90.00
             | 
            
                89.61
             |                     
            
                40.75
             |                                 
            
                57,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2018
             | 
            
                -2.10 / -2.47%
             |             
            
                83.00
             |           
            
                83.00
             |               
            
                83.00
             |                           
            
                83.00
             | 
            
                83.00
             |                     
            
                37.58
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                72.40
             |           
            
                85.10
             |               
            
                72.40
             |                           
            
                85.10
             | 
            
                73.00
             |                     
            
                38.53
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2018
             | 
            
                +3.00 / +3.41%
             |             
            
                76.00
             |           
            
                91.00
             |               
            
                76.00
             |                           
            
                91.00
             | 
            
                85.11
             |                     
            
                41.20
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2018
             | 
            
                -2.00 / -2.22%
             |             
            
                88.00
             |           
            
                90.00
             |               
            
                88.00
             |                           
            
                88.00
             | 
            
                89.41
             |                     
            
                39.84
             |                                 
            
                35,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2018
             | 
            
                +2.00 / +2.27%
             |             
            
                88.00
             |           
            
                90.00
             |               
            
                87.10
             |                           
            
                90.00
             | 
            
                88.06
             |                     
            
                40.75
             |                                 
            
                33,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2018
             | 
            
                +11.60 / +15.18%
             |             
            
                85.00
             |           
            
                88.00
             |               
            
                77.30
             |                           
            
                88.00
             | 
            
                87.10
             |                     
            
                39.84
             |                                 
            
                48,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2018
             | 
            
                0.00 / 0.00%
             |             
            
                79.00
             |           
            
                79.00
             |               
            
                76.40
             |                           
            
                76.40
             | 
            
                77.27
             |                     
            
                34.59
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2018
             | 
            
                0.00 / 0.00%
             |             
            
                76.40
             |           
            
                76.40
             |               
            
                76.40
             |                           
            
                76.40
             | 
            
                76.40
             |                     
            
                34.59
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2018
             | 
            
                +19.40 / +34.04%
             |             
            
                76.40
             |           
            
                76.40
             |               
            
                76.40
             |                           
            
                76.40
             | 
            
                76.40
             |                     
            
                34.59
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2018
             | 
            
                -10.00 / -14.93%
             |             
            
                76.00
             |           
            
                76.00
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                66.50
             |                     
            
                25.81
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                30.33
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                30.33
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2018
             | 
            
                -11.20 / -14.32%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                30.33
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                78.20
             |           
            
                78.20
             |               
            
                78.20
             |                           
            
                78.20
             | 
            
                78.20
             |                     
            
                35.41
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                78.20
             |           
            
                78.20
             |               
            
                78.20
             |                           
            
                78.20
             | 
            
                78.20
             |                     
            
                35.41
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2018
             | 
            
                -13.80 / -15.00%
             |             
            
                78.20
             |           
            
                78.20
             |               
            
                78.20
             |                           
            
                78.20
             | 
            
                78.20
             |                     
            
                35.41
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2018
             | 
            
                +2.00 / +2.22%
             |             
            
                92.00
             |           
            
                92.00
             |               
            
                92.00
             |                           
            
                92.00
             | 
            
                92.00
             |                     
            
                41.65
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2018
             | 
            
                -1.00 / -1.10%
             |             
            
                90.00
             |           
            
                90.00
             |               
            
                90.00
             |                           
            
                90.00
             | 
            
                90.00
             |                     
            
                40.75
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2018
             | 
            
                -3.00 / -3.19%
             |             
            
                88.00
             |           
            
                91.00
             |               
            
                88.00
             |                           
            
                91.00
             | 
            
                89.50
             |                     
            
                41.20
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2018
             | 
            
                +4.00 / +4.44%
             |             
            
                88.20
             |           
            
                94.00
             |               
            
                88.20
             |                           
            
                94.00
             | 
            
                90.08
             |                     
            
                42.56
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2018
             | 
            
                +5.00 / +5.88%
             |             
            
                87.00
             |           
            
                90.00
             |               
            
                87.00
             |                           
            
                90.00
             | 
            
                88.20
             |                     
            
                40.75
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2018
             | 
            
                +7.10 / +9.11%
             |             
            
                84.00
             |           
            
                85.00
             |               
            
                84.00
             |                           
            
                85.00
             | 
            
                84.78
             |                     
            
                38.48
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2018
             | 
            
                +9.30 / +12.79%
             |             
            
                76.00
             |           
            
                82.50
             |               
            
                70.00
             |                           
            
                82.00
             | 
            
                77.92
             |                     
            
                37.13
             |                                 
            
                71,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2018
             | 
            
                +9.40 / +14.85%
             |             
            
                72.70
             |           
            
                72.70
             |               
            
                70.10
             |                           
            
                72.70
             | 
            
                71.77
             |                     
            
                32.92
             |                                 
            
                13,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2018
             | 
            
                +0.30 / +0.48%
             |             
            
                63.30
             |           
            
                63.30
             |               
            
                63.30
             |                           
            
                63.30
             | 
            
                63.30
             |                     
            
                28.66
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2018
             | 
            
                -10.70 / -14.52%
             |             
            
                73.70
             |           
            
                74.00
             |               
            
                63.00
             |                           
            
                63.00
             | 
            
                63.27
             |                     
            
                28.52
             |                                 
            
                51,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                73.70
             |           
            
                73.70
             |               
            
                73.70
             |                           
            
                73.70
             | 
            
                73.70
             |                     
            
                33.37
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                73.70
             |           
            
                73.70
             |               
            
                73.70
             |                           
            
                73.70
             | 
            
                73.70
             |                     
            
                33.37
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |