| 
                 
                    Closing price on 11/24/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    42.10 | 
                 
                
                    | High | 
                    42.10 | 
                 
                
                    | Low | 
                    39.40 | 
                     
                
                    | Volume | 
                    13,630 | 
                                 
                
                    | Split-adjusted Price | 
                    38.18 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DL1 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/24/2017
             | 
            
                -2.10 / -4.99%
             |             
            
                42.10
             |           
            
                42.10
             |               
            
                39.40
             |                           
            
                40.00
             | 
            
                40.93
             |                     
            
                38.18
             |                                 
            
                13,630
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2017
             | 
            
                +1.10 / +2.68%
             |             
            
                41.00
             |           
            
                42.20
             |               
            
                41.00
             |                           
            
                42.10
             | 
            
                41.66
             |                     
            
                40.19
             |                                 
            
                20,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2017
             | 
            
                +1.10 / +2.76%
             |             
            
                39.90
             |           
            
                41.10
             |               
            
                39.90
             |                           
            
                41.00
             | 
            
                40.67
             |                     
            
                39.14
             |                                 
            
                18,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2017
             | 
            
                +1.80 / +4.72%
             |             
            
                38.10
             |           
            
                40.00
             |               
            
                38.10
             |                           
            
                39.90
             | 
            
                39.15
             |                     
            
                38.09
             |                                 
            
                23,405
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2017
             | 
            
                +1.00 / +2.70%
             |             
            
                37.10
             |           
            
                38.10
             |               
            
                37.00
             |                           
            
                38.10
             | 
            
                37.55
             |                     
            
                36.37
             |                                 
            
                14,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                37.10
             |           
            
                37.20
             |               
            
                37.10
             |                           
            
                37.10
             | 
            
                37.12
             |                     
            
                35.41
             |                                 
            
                6,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2017
             | 
            
                +1.60 / +4.51%
             |             
            
                35.50
             |           
            
                37.10
             |               
            
                35.50
             |                           
            
                37.10
             | 
            
                36.23
             |                     
            
                35.41
             |                                 
            
                19,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2017
             | 
            
                +0.10 / +0.28%
             |             
            
                35.40
             |           
            
                35.50
             |               
            
                35.30
             |                           
            
                35.50
             | 
            
                35.41
             |                     
            
                33.89
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2017
             | 
            
                -0.10 / -0.28%
             |             
            
                35.40
             |           
            
                35.40
             |               
            
                34.90
             |                           
            
                35.40
             | 
            
                35.12
             |                     
            
                33.79
             |                                 
            
                4,430
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                35.20
             |                           
            
                35.50
             | 
            
                35.37
             |                     
            
                33.89
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2017
             | 
            
                +0.20 / +0.57%
             |             
            
                35.30
             |           
            
                35.50
             |               
            
                35.00
             |                           
            
                35.50
             | 
            
                35.22
             |                     
            
                33.89
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2017
             | 
            
                +0.20 / +0.57%
             |             
            
                35.10
             |           
            
                35.30
             |               
            
                34.90
             |                           
            
                35.30
             | 
            
                35.08
             |                     
            
                33.70
             |                                 
            
                4,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2017
             | 
            
                +0.20 / +0.57%
             |             
            
                31.50
             |           
            
                35.10
             |               
            
                31.50
             |                           
            
                35.10
             | 
            
                32.08
             |                     
            
                33.50
             |                                 
            
                43,683
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2017
             | 
            
                -3.80 / -9.82%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                33.31
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2017
             | 
            
                -4.30 / -10.00%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                38.70
             |                           
            
                38.70
             | 
            
                39.93
             |                     
            
                36.94
             |                                 
            
                9,820
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2017
             | 
            
                +3.50 / +8.86%
             |             
            
                39.50
             |           
            
                43.00
             |               
            
                39.20
             |                           
            
                43.00
             | 
            
                40.03
             |                     
            
                41.05
             |                                 
            
                21,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2017
             | 
            
                +3.20 / +8.82%
             |             
            
                36.50
             |           
            
                39.90
             |               
            
                36.30
             |                           
            
                39.50
             | 
            
                39.41
             |                     
            
                37.70
             |                                 
            
                38,105
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2017
             | 
            
                +3.30 / +10.00%
             |             
            
                33.00
             |           
            
                36.30
             |               
            
                33.00
             |                           
            
                36.30
             | 
            
                34.57
             |                     
            
                34.65
             |                                 
            
                21,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2017
             | 
            
                +1.80 / +5.77%
             |             
            
                31.20
             |           
            
                34.30
             |               
            
                31.20
             |                           
            
                33.00
             | 
            
                32.76
             |                     
            
                31.50
             |                                 
            
                47,698
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2017
             | 
            
                +1.10 / +3.65%
             |             
            
                30.10
             |           
            
                31.40
             |               
            
                30.10
             |                           
            
                31.20
             | 
            
                30.69
             |                     
            
                29.78
             |                                 
            
                10,999
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2017
             | 
            
                +0.80 / +2.73%
             |             
            
                29.30
             |           
            
                30.10
             |               
            
                29.20
             |                           
            
                30.10
             | 
            
                29.73
             |                     
            
                28.73
             |                                 
            
                7,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2017
             | 
            
                +0.30 / +1.03%
             |             
            
                29.00
             |           
            
                29.40
             |               
            
                28.70
             |                           
            
                29.30
             | 
            
                29.04
             |                     
            
                27.97
             |                                 
            
                10,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2017
             | 
            
                +0.10 / +0.35%
             |             
            
                28.90
             |           
            
                29.00
             |               
            
                28.90
             |                           
            
                29.00
             | 
            
                28.96
             |                     
            
                27.68
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2017
             | 
            
                +0.50 / +1.76%
             |             
            
                28.40
             |           
            
                28.90
             |               
            
                28.30
             |                           
            
                28.90
             | 
            
                28.54
             |                     
            
                27.59
             |                                 
            
                7,824
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2017
             | 
            
                +0.40 / +1.43%
             |             
            
                28.00
             |           
            
                28.40
             |               
            
                28.00
             |                           
            
                28.40
             | 
            
                28.15
             |                     
            
                27.11
             |                                 
            
                9,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2017
             | 
            
                +0.60 / +2.19%
             |             
            
                27.40
             |           
            
                28.10
             |               
            
                27.40
             |                           
            
                28.00
             | 
            
                27.60
             |                     
            
                26.73
             |                                 
            
                5,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2017
             | 
            
                +0.20 / +0.74%
             |             
            
                27.20
             |           
            
                27.40
             |               
            
                27.20
             |                           
            
                27.40
             | 
            
                27.27
             |                     
            
                26.15
             |                                 
            
                4,333
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2017
             | 
            
                +1.90 / +7.51%
             |             
            
                25.30
             |           
            
                27.20
             |               
            
                25.00
             |                           
            
                27.20
             | 
            
                25.61
             |                     
            
                25.96
             |                                 
            
                34,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2017
             | 
            
                -0.50 / -1.94%
             |             
            
                25.70
             |           
            
                25.80
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.56
             |                     
            
                24.15
             |                                 
            
                25,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2017
             | 
            
                -0.10 / -0.39%
             |             
            
                25.90
             |           
            
                26.10
             |               
            
                25.80
             |                           
            
                25.80
             | 
            
                25.95
             |                     
            
                24.63
             |                                 
            
                21,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |