| 
                 
                    Closing price on 1/29/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    70.50 | 
                 
                
                    | High | 
                    72.50 | 
                 
                
                    | Low | 
                    69.50 | 
                     
                
                    | Volume | 
                    91,880 | 
                                 
                
                    | Split-adjusted Price | 
                    12.19 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
D2D Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/29/2019
             | 
            
                +1.50 / +2.13%
             |             
            
                70.50
             |           
            
                72.50
             |               
            
                69.50
             |                           
            
                72.00
             | 
            
                70.36
             |                     
            
                12.19
             |                                 
            
                91,880
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2019
             | 
            
                +1.10 / +1.59%
             |             
            
                69.00
             |           
            
                73.00
             |               
            
                68.50
             |                           
            
                70.50
             | 
            
                69.42
             |                     
            
                11.94
             |                                 
            
                124,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2019
             | 
            
                +1.40 / +2.06%
             |             
            
                68.00
             |           
            
                69.90
             |               
            
                68.00
             |                           
            
                69.40
             | 
            
                68.82
             |                     
            
                11.75
             |                                 
            
                102,230
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2019
             | 
            
                -3.00 / -4.23%
             |             
            
                70.00
             |           
            
                70.60
             |               
            
                68.00
             |                           
            
                68.00
             | 
            
                69.95
             |                     
            
                11.51
             |                                 
            
                28,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2019
             | 
            
                +1.30 / +1.87%
             |             
            
                68.00
             |           
            
                71.00
             |               
            
                68.00
             |                           
            
                71.00
             | 
            
                68.58
             |                     
            
                12.02
             |                                 
            
                74,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2019
             | 
            
                -0.10 / -0.14%
             |             
            
                69.80
             |           
            
                69.80
             |               
            
                68.00
             |                           
            
                69.70
             | 
            
                68.37
             |                     
            
                11.80
             |                                 
            
                61,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2019
             | 
            
                +2.80 / +4.18%
             |             
            
                70.90
             |           
            
                70.90
             |               
            
                69.00
             |                           
            
                69.80
             | 
            
                69.82
             |                     
            
                11.82
             |                                 
            
                80,180
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2019
             | 
            
                -0.60 / -0.89%
             |             
            
                67.00
             |           
            
                67.60
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.57
             |                     
            
                11.34
             |                                 
            
                74,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2019
             | 
            
                +0.20 / +0.30%
             |             
            
                67.50
             |           
            
                67.80
             |               
            
                67.00
             |                           
            
                67.60
             | 
            
                67.61
             |                     
            
                11.45
             |                                 
            
                34,020
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2019
             | 
            
                +0.40 / +0.60%
             |             
            
                67.20
             |           
            
                67.90
             |               
            
                67.00
             |                           
            
                67.40
             | 
            
                67.51
             |                     
            
                11.41
             |                                 
            
                78,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2019
             | 
            
                -2.90 / -4.15%
             |             
            
                67.50
             |           
            
                68.40
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.72
             |                     
            
                11.34
             |                                 
            
                87,420
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2019
             | 
            
                +1.30 / +1.90%
             |             
            
                68.00
             |           
            
                69.90
             |               
            
                68.00
             |                           
            
                69.90
             | 
            
                68.95
             |                     
            
                11.84
             |                                 
            
                43,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2019
             | 
            
                +0.70 / +1.03%
             |             
            
                69.00
             |           
            
                69.40
             |               
            
                68.50
             |                           
            
                68.60
             | 
            
                68.86
             |                     
            
                11.62
             |                                 
            
                48,130
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2019
             | 
            
                -0.10 / -0.15%
             |             
            
                67.20
             |           
            
                67.90
             |               
            
                67.20
             |                           
            
                67.90
             | 
            
                67.52
             |                     
            
                11.50
             |                                 
            
                30,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2019
             | 
            
                -0.50 / -0.73%
             |             
            
                68.50
             |           
            
                68.50
             |               
            
                67.50
             |                           
            
                68.00
             | 
            
                68.09
             |                     
            
                11.51
             |                                 
            
                8,430
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2019
             | 
            
                -0.20 / -0.29%
             |             
            
                71.00
             |           
            
                71.20
             |               
            
                67.90
             |                           
            
                68.50
             | 
            
                68.62
             |                     
            
                11.60
             |                                 
            
                169,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2019
             | 
            
                +0.70 / +1.03%
             |             
            
                69.40
             |           
            
                69.40
             |               
            
                67.60
             |                           
            
                68.70
             | 
            
                68.42
             |                     
            
                11.63
             |                                 
            
                24,510
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2019
             | 
            
                0.00 / 0.00%
             |             
            
                68.00
             |           
            
                69.70
             |               
            
                68.00
             |                           
            
                68.00
             | 
            
                69.16
             |                     
            
                11.51
             |                                 
            
                14,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2019
             | 
            
                -1.20 / -1.73%
             |             
            
                69.80
             |           
            
                69.80
             |               
            
                68.00
             |                           
            
                68.00
             | 
            
                68.01
             |                     
            
                11.51
             |                                 
            
                33,140
             |            
            
                 
             |                                       
         
    
        
            | 
                1/2/2019
             | 
            
                +0.50 / +0.73%
             |             
            
                71.80
             |           
            
                71.80
             |               
            
                69.20
             |                           
            
                69.20
             | 
            
                69.55
             |                     
            
                11.72
             |                                 
            
                6,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2018
             | 
            
                0.00 / 0.00%
             |             
            
                68.70
             |           
            
                68.90
             |               
            
                68.50
             |                           
            
                68.70
             | 
            
                68.64
             |                     
            
                11.63
             |                                 
            
                61,360
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2018
             | 
            
                -0.20 / -0.29%
             |             
            
                68.70
             |           
            
                68.70
             |               
            
                68.70
             |                           
            
                68.70
             | 
            
                68.70
             |                     
            
                11.63
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2018
             | 
            
                +0.90 / +1.32%
             |             
            
                69.90
             |           
            
                69.90
             |               
            
                68.90
             |                           
            
                68.90
             | 
            
                69.11
             |                     
            
                11.67
             |                                 
            
                68,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2018
             | 
            
                -1.40 / -2.02%
             |             
            
                69.30
             |           
            
                69.30
             |               
            
                68.00
             |                           
            
                68.00
             | 
            
                68.79
             |                     
            
                11.51
             |                                 
            
                68,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2018
             | 
            
                -0.60 / -0.86%
             |             
            
                69.50
             |           
            
                70.40
             |               
            
                69.00
             |                           
            
                69.40
             | 
            
                69.68
             |                     
            
                11.75
             |                                 
            
                42,310
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2018
             | 
            
                +2.00 / +2.94%
             |             
            
                68.00
             |           
            
                71.00
             |               
            
                68.00
             |                           
            
                70.00
             | 
            
                68.91
             |                     
            
                11.85
             |                                 
            
                13,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2018
             | 
            
                -0.10 / -0.15%
             |             
            
                68.00
             |           
            
                68.10
             |               
            
                67.00
             |                           
            
                68.00
             | 
            
                67.89
             |                     
            
                11.51
             |                                 
            
                11,710
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2018
             | 
            
                -0.30 / -0.44%
             |             
            
                68.00
             |           
            
                68.90
             |               
            
                68.00
             |                           
            
                68.10
             | 
            
                68.64
             |                     
            
                11.53
             |                                 
            
                24,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2018
             | 
            
                -0.80 / -1.16%
             |             
            
                68.50
             |           
            
                68.90
             |               
            
                68.30
             |                           
            
                68.40
             | 
            
                68.56
             |                     
            
                11.58
             |                                 
            
                42,680
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2018
             | 
            
                +0.60 / +0.87%
             |             
            
                68.50
             |           
            
                69.70
             |               
            
                68.20
             |                           
            
                69.20
             | 
            
                69.24
             |                     
            
                11.72
             |                                 
            
                21,910
             |  
            
                 
             |                                                              
             
    
         
    
    
 |