| 
                 
                    Closing price on 5/21/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    79.00 | 
                 
                
                    | High | 
                    79.00 | 
                 
                
                    | Low | 
                    75.00 | 
                     
                
                    | Volume | 
                    35,380 | 
                                 
                
                    | Split-adjusted Price | 
                    11.89 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
D2D Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/21/2018
             | 
            
                -1.00 / -1.32%
             |             
            
                79.00
             |           
            
                79.00
             |               
            
                75.00
             |                           
            
                75.00
             | 
            
                76.06
             |                     
            
                11.89
             |                                 
            
                35,380
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                73.40
             |           
            
                78.50
             |               
            
                73.40
             |                           
            
                76.00
             | 
            
                77.88
             |                     
            
                12.05
             |                                 
            
                9,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2018
             | 
            
                -1.00 / -1.30%
             |             
            
                77.00
             |           
            
                78.60
             |               
            
                73.10
             |                           
            
                76.00
             | 
            
                74.71
             |                     
            
                12.05
             |                                 
            
                25,580
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2018
             | 
            
                +0.50 / +0.65%
             |             
            
                78.50
             |           
            
                78.90
             |               
            
                76.10
             |                           
            
                77.00
             | 
            
                78.87
             |                     
            
                12.21
             |                                 
            
                22,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2018
             | 
            
                -2.00 / -2.55%
             |             
            
                76.00
             |           
            
                78.50
             |               
            
                75.00
             |                           
            
                76.50
             | 
            
                77.67
             |                     
            
                12.13
             |                                 
            
                44,640
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2018
             | 
            
                +1.00 / +1.29%
             |             
            
                77.50
             |           
            
                78.50
             |               
            
                74.00
             |                           
            
                78.50
             | 
            
                74.15
             |                     
            
                12.44
             |                                 
            
                5,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2018
             | 
            
                +1.80 / +2.38%
             |             
            
                74.50
             |           
            
                77.50
             |               
            
                73.00
             |                           
            
                77.50
             | 
            
                74.04
             |                     
            
                12.28
             |                                 
            
                17,640
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2018
             | 
            
                -0.30 / -0.39%
             |             
            
                75.00
             |           
            
                76.00
             |               
            
                74.00
             |                           
            
                75.70
             | 
            
                74.14
             |                     
            
                12.00
             |                                 
            
                33,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2018
             | 
            
                -1.00 / -1.30%
             |             
            
                76.00
             |           
            
                76.50
             |               
            
                75.50
             |                           
            
                76.00
             | 
            
                75.89
             |                     
            
                12.05
             |                                 
            
                32,560
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                77.00
             |           
            
                78.20
             |               
            
                77.00
             |                           
            
                77.00
             | 
            
                77.54
             |                     
            
                12.21
             |                                 
            
                12,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2018
             | 
            
                -1.40 / -1.79%
             |             
            
                77.00
             |           
            
                78.30
             |               
            
                77.00
             |                           
            
                77.00
             | 
            
                78.16
             |                     
            
                12.21
             |                                 
            
                7,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2018
             | 
            
                +2.40 / +3.16%
             |             
            
                76.00
             |           
            
                78.60
             |               
            
                76.00
             |                           
            
                78.40
             | 
            
                78.45
             |                     
            
                12.43
             |                                 
            
                45,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2018
             | 
            
                -2.90 / -3.68%
             |             
            
                77.00
             |           
            
                78.70
             |               
            
                76.00
             |                           
            
                76.00
             | 
            
                78.41
             |                     
            
                12.05
             |                                 
            
                14,820
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2018
             | 
            
                +2.20 / +2.87%
             |             
            
                76.00
             |           
            
                78.90
             |               
            
                76.00
             |                           
            
                78.90
             | 
            
                77.56
             |                     
            
                12.51
             |                                 
            
                35,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2018
             | 
            
                +1.20 / +1.59%
             |             
            
                75.50
             |           
            
                77.00
             |               
            
                74.50
             |                           
            
                76.70
             | 
            
                75.29
             |                     
            
                12.16
             |                                 
            
                25,330
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2018
             | 
            
                -1.50 / -1.95%
             |             
            
                77.00
             |           
            
                77.00
             |               
            
                75.50
             |                           
            
                75.50
             | 
            
                75.95
             |                     
            
                11.97
             |                                 
            
                32,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2018
             | 
            
                -0.80 / -1.03%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                77.00
             |                           
            
                77.00
             | 
            
                77.29
             |                     
            
                12.21
             |                                 
            
                2,510
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2018
             | 
            
                -1.20 / -1.52%
             |             
            
                77.00
             |           
            
                79.00
             |               
            
                77.00
             |                           
            
                77.80
             | 
            
                77.77
             |                     
            
                12.33
             |                                 
            
                9,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2018
             | 
            
                +1.00 / +1.28%
             |             
            
                76.10
             |           
            
                79.90
             |               
            
                76.00
             |                           
            
                79.00
             | 
            
                77.55
             |                     
            
                12.52
             |                                 
            
                42,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                78.00
             |           
            
                78.40
             |               
            
                77.10
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                12.36
             |                                 
            
                24,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                77.10
             |           
            
                78.50
             |               
            
                77.10
             |                           
            
                78.00
             | 
            
                77.77
             |                     
            
                12.36
             |                                 
            
                12,820
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2018
             | 
            
                -0.50 / -0.64%
             |             
            
                77.00
             |           
            
                79.00
             |               
            
                76.90
             |                           
            
                78.00
             | 
            
                77.48
             |                     
            
                12.36
             |                                 
            
                20,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2018
             | 
            
                -0.80 / -1.01%
             |             
            
                79.30
             |           
            
                79.30
             |               
            
                76.00
             |                           
            
                78.50
             | 
            
                76.86
             |                     
            
                12.44
             |                                 
            
                61,360
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2018
             | 
            
                +0.80 / +1.02%
             |             
            
                77.50
             |           
            
                79.30
             |               
            
                77.50
             |                           
            
                79.30
             | 
            
                78.64
             |                     
            
                12.57
             |                                 
            
                13,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2018
             | 
            
                -1.00 / -1.26%
             |             
            
                78.00
             |           
            
                79.90
             |               
            
                77.00
             |                           
            
                78.50
             | 
            
                77.89
             |                     
            
                12.44
             |                                 
            
                51,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2018
             | 
            
                -2.30 / -2.81%
             |             
            
                79.50
             |           
            
                82.30
             |               
            
                79.10
             |                           
            
                79.50
             | 
            
                81.39
             |                     
            
                12.60
             |                                 
            
                62,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                79.00
             |           
            
                81.80
             |               
            
                78.50
             |                           
            
                81.80
             | 
            
                79.29
             |                     
            
                12.97
             |                                 
            
                13,810
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2018
             | 
            
                +0.80 / +0.99%
             |             
            
                80.20
             |           
            
                82.00
             |               
            
                79.00
             |                           
            
                81.80
             | 
            
                79.78
             |                     
            
                12.97
             |                                 
            
                38,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2018
             | 
            
                +4.90 / +6.44%
             |             
            
                76.00
             |           
            
                81.00
             |               
            
                74.00
             |                           
            
                81.00
             | 
            
                74.76
             |                     
            
                12.84
             |                                 
            
                100,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2018
             | 
            
                -0.90 / -1.17%
             |             
            
                75.10
             |           
            
                77.80
             |               
            
                75.10
             |                           
            
                76.10
             | 
            
                77.64
             |                     
            
                12.06
             |                                 
            
                16,680
             |  
            
                 
             |                                                              
             
    
         
    
    
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