| 
                 
                    Closing price on 3/6/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    45.00 | 
                 
                
                    | High | 
                    46.00 | 
                 
                
                    | Low | 
                    45.00 | 
                     
                
                    | Volume | 
                    3,160 | 
                                 
                
                    | Split-adjusted Price | 
                    43.81 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DL1 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                46.00
             |               
            
                45.00
             |                           
            
                45.90
             | 
            
                45.77
             |                     
            
                43.81
             |                                 
            
                3,160
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.90
             |           
            
                45.90
             |               
            
                45.90
             |                           
            
                45.90
             | 
            
                45.90
             |                     
            
                43.81
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2018
             | 
            
                +0.20 / +0.44%
             |             
            
                45.70
             |           
            
                46.00
             |               
            
                45.70
             |                           
            
                45.90
             | 
            
                45.89
             |                     
            
                43.81
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2018
             | 
            
                -0.10 / -0.22%
             |             
            
                45.80
             |           
            
                45.80
             |               
            
                45.70
             |                           
            
                45.70
             | 
            
                45.79
             |                     
            
                43.62
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2018
             | 
            
                +0.50 / +1.10%
             |             
            
                45.30
             |           
            
                46.00
             |               
            
                45.30
             |                           
            
                45.80
             | 
            
                45.51
             |                     
            
                43.72
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2018
             | 
            
                -0.50 / -1.09%
             |             
            
                45.00
             |           
            
                45.80
             |               
            
                45.00
             |                           
            
                45.30
             | 
            
                45.41
             |                     
            
                43.24
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.60
             |           
            
                45.80
             |               
            
                45.00
             |                           
            
                45.80
             | 
            
                45.62
             |                     
            
                43.72
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2018
             | 
            
                +0.70 / +1.55%
             |             
            
                45.10
             |           
            
                45.80
             |               
            
                45.10
             |                           
            
                45.80
             | 
            
                45.68
             |                     
            
                43.72
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2018
             | 
            
                +0.10 / +0.22%
             |             
            
                45.00
             |           
            
                45.60
             |               
            
                44.00
             |                           
            
                45.10
             | 
            
                44.90
             |                     
            
                43.05
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2018
             | 
            
                +3.00 / +7.14%
             |             
            
                42.00
             |           
            
                45.00
             |               
            
                42.00
             |                           
            
                45.00
             | 
            
                43.22
             |                     
            
                42.95
             |                                 
            
                4,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                40.09
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                40.09
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2018
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                40.09
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                40.09
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2018
             | 
            
                -1.00 / -2.33%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.80
             |                     
            
                40.09
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                43.00
             |                           
            
                43.00
             | 
            
                43.00
             |                     
            
                41.05
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2018
             | 
            
                +0.20 / +0.47%
             |             
            
                42.80
             |           
            
                43.00
             |               
            
                42.80
             |                           
            
                43.00
             | 
            
                42.95
             |                     
            
                41.05
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                42.80
             |           
            
                42.80
             |               
            
                42.80
             |                           
            
                42.80
             | 
            
                42.80
             |                     
            
                40.85
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2018
             | 
            
                +0.30 / +0.71%
             |             
            
                42.50
             |           
            
                42.80
             |               
            
                42.50
             |                           
            
                42.80
             | 
            
                42.56
             |                     
            
                40.85
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2018
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.50
             |               
            
                42.00
             |                           
            
                42.50
             | 
            
                42.29
             |                     
            
                40.57
             |                                 
            
                1,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2018
             | 
            
                -0.10 / -0.23%
             |             
            
                42.30
             |           
            
                42.50
             |               
            
                42.30
             |                           
            
                42.50
             | 
            
                42.43
             |                     
            
                40.57
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2018
             | 
            
                -0.10 / -0.23%
             |             
            
                42.70
             |           
            
                42.70
             |               
            
                42.60
             |                           
            
                42.60
             | 
            
                42.63
             |                     
            
                40.66
             |                                 
            
                6,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2018
             | 
            
                -0.10 / -0.23%
             |             
            
                42.80
             |           
            
                42.80
             |               
            
                42.70
             |                           
            
                42.70
             | 
            
                42.74
             |                     
            
                40.76
             |                                 
            
                6,422
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2018
             | 
            
                0.00 / 0.00%
             |             
            
                42.80
             |           
            
                43.00
             |               
            
                42.80
             |                           
            
                42.80
             | 
            
                42.92
             |                     
            
                40.85
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2018
             | 
            
                -0.20 / -0.47%
             |             
            
                42.80
             |           
            
                42.80
             |               
            
                42.80
             |                           
            
                42.80
             | 
            
                42.80
             |                     
            
                40.85
             |                                 
            
                5,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2018
             | 
            
                0.00 / 0.00%
             |             
            
                43.00
             |           
            
                44.00
             |               
            
                43.00
             |                           
            
                43.00
             | 
            
                43.09
             |                     
            
                41.05
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2018
             | 
            
                -0.50 / -1.15%
             |             
            
                43.50
             |           
            
                43.50
             |               
            
                43.00
             |                           
            
                43.00
             | 
            
                43.29
             |                     
            
                41.05
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2018
             | 
            
                -0.50 / -1.14%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                43.50
             |                           
            
                43.50
             | 
            
                43.70
             |                     
            
                41.52
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                42.00
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2018
             | 
            
                -1.00 / -2.22%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.62
             |                     
            
                42.00
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |