| 
                 
                    Closing price on 10/5/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    22.40 | 
                 
                
                    | High | 
                    23.20 | 
                 
                
                    | Low | 
                    22.30 | 
                     
                
                    | Volume | 
                    51,674 | 
                                 
                
                    | Split-adjusted Price | 
                    21.95 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DL1 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/5/2017
             | 
            
                +0.60 / +2.68%
             |             
            
                22.40
             |           
            
                23.20
             |               
            
                22.30
             |                           
            
                23.00
             | 
            
                22.77
             |                     
            
                21.95
             |                                 
            
                51,674
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2017
             | 
            
                +0.40 / +1.82%
             |             
            
                22.00
             |           
            
                22.60
             |               
            
                21.90
             |                           
            
                22.40
             | 
            
                22.22
             |                     
            
                21.38
             |                                 
            
                68,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2017
             | 
            
                +0.60 / +2.80%
             |             
            
                21.40
             |           
            
                22.40
             |               
            
                21.30
             |                           
            
                22.00
             | 
            
                21.70
             |                     
            
                21.00
             |                                 
            
                72,203
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2017
             | 
            
                +0.90 / +4.39%
             |             
            
                20.40
             |           
            
                21.40
             |               
            
                20.40
             |                           
            
                21.40
             | 
            
                20.72
             |                     
            
                20.43
             |                                 
            
                71,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2017
             | 
            
                +0.80 / +4.06%
             |             
            
                19.70
             |           
            
                20.60
             |               
            
                19.60
             |                           
            
                20.50
             | 
            
                20.08
             |                     
            
                19.57
             |                                 
            
                67,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2017
             | 
            
                +0.40 / +2.07%
             |             
            
                19.70
             |           
            
                20.00
             |               
            
                19.70
             |                           
            
                19.70
             | 
            
                19.84
             |                     
            
                18.80
             |                                 
            
                54,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2017
             | 
            
                +1.50 / +8.43%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                19.20
             |                           
            
                19.30
             | 
            
                19.32
             |                     
            
                18.42
             |                                 
            
                41,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2017
             | 
            
                +1.60 / +9.88%
             |             
            
                17.80
             |           
            
                17.80
             |               
            
                17.80
             |                           
            
                17.80
             | 
            
                17.80
             |                     
            
                16.99
             |                                 
            
                20,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2017
             | 
            
                +1.40 / +9.46%
             |             
            
                15.90
             |           
            
                16.20
             |               
            
                15.90
             |                           
            
                16.20
             | 
            
                16.18
             |                     
            
                15.46
             |                                 
            
                2,910
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2017
             | 
            
                +1.30 / +9.63%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.70
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                14.13
             |                                 
            
                26,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2017
             | 
            
                -10.40 / -43.51%
             |             
            
                13.50
             |           
            
                13.50
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.50
             |                     
            
                12.89
             |                                 
            
                12,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2017
             | 
            
                +0.10 / +0.42%
             |             
            
                23.80
             |           
            
                24.00
             |               
            
                23.70
             |                           
            
                23.90
             | 
            
                23.79
             |                     
            
                11.74
             |                                 
            
                31,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2017
             | 
            
                +0.30 / +1.28%
             |             
            
                23.50
             |           
            
                23.80
             |               
            
                23.50
             |                           
            
                23.80
             | 
            
                23.68
             |                     
            
                11.69
             |                                 
            
                30,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                23.50
             |           
            
                23.60
             |               
            
                23.50
             |                           
            
                23.50
             | 
            
                23.57
             |                     
            
                11.54
             |                                 
            
                34,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2017
             | 
            
                +0.50 / +2.17%
             |             
            
                23.00
             |           
            
                23.50
             |               
            
                22.80
             |                           
            
                23.50
             | 
            
                23.07
             |                     
            
                11.54
             |                                 
            
                100,101
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2017
             | 
            
                +0.10 / +0.44%
             |             
            
                22.30
             |           
            
                23.30
             |               
            
                22.30
             |                           
            
                23.00
             | 
            
                23.03
             |                     
            
                11.30
             |                                 
            
                101,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2017
             | 
            
                +0.10 / +0.44%
             |             
            
                22.80
             |           
            
                23.20
             |               
            
                22.70
             |                           
            
                22.90
             | 
            
                22.97
             |                     
            
                11.25
             |                                 
            
                97,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2017
             | 
            
                +0.40 / +1.79%
             |             
            
                22.50
             |           
            
                22.80
             |               
            
                22.30
             |                           
            
                22.80
             | 
            
                22.52
             |                     
            
                11.20
             |                                 
            
                96,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2017
             | 
            
                -0.10 / -0.44%
             |             
            
                22.40
             |           
            
                22.60
             |               
            
                22.30
             |                           
            
                22.40
             | 
            
                22.48
             |                     
            
                11.00
             |                                 
            
                107,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                22.40
             |           
            
                22.80
             |               
            
                22.30
             |                           
            
                22.50
             | 
            
                22.49
             |                     
            
                11.05
             |                                 
            
                89,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2017
             | 
            
                +0.30 / +1.35%
             |             
            
                22.20
             |           
            
                22.80
             |               
            
                22.10
             |                           
            
                22.50
             | 
            
                22.43
             |                     
            
                11.05
             |                                 
            
                110,449
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                22.20
             |           
            
                22.50
             |               
            
                22.10
             |                           
            
                22.20
             | 
            
                22.27
             |                     
            
                10.91
             |                                 
            
                100,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2017
             | 
            
                +0.30 / +1.37%
             |             
            
                21.80
             |           
            
                22.40
             |               
            
                21.60
             |                           
            
                22.20
             | 
            
                22.00
             |                     
            
                10.91
             |                                 
            
                108,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2017
             | 
            
                -0.30 / -1.35%
             |             
            
                22.20
             |           
            
                22.20
             |               
            
                21.90
             |                           
            
                21.90
             | 
            
                22.10
             |                     
            
                10.76
             |                                 
            
                35,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2017
             | 
            
                0.00 / 0.00%
             |             
            
                22.20
             |           
            
                22.40
             |               
            
                22.10
             |                           
            
                22.20
             | 
            
                22.24
             |                     
            
                10.91
             |                                 
            
                106,070
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2017
             | 
            
                -0.10 / -0.45%
             |             
            
                22.30
             |           
            
                22.40
             |               
            
                22.10
             |                           
            
                22.20
             | 
            
                22.25
             |                     
            
                10.91
             |                                 
            
                86,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2017
             | 
            
                -1.00 / -4.29%
             |             
            
                23.30
             |           
            
                23.40
             |               
            
                22.10
             |                           
            
                22.30
             | 
            
                22.60
             |                     
            
                10.95
             |                                 
            
                85,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2017
             | 
            
                -0.20 / -0.85%
             |             
            
                23.50
             |           
            
                23.60
             |               
            
                23.10
             |                           
            
                23.30
             | 
            
                23.40
             |                     
            
                11.45
             |                                 
            
                99,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2017
             | 
            
                -1.00 / -4.08%
             |             
            
                24.50
             |           
            
                24.90
             |               
            
                23.40
             |                           
            
                23.50
             | 
            
                24.26
             |                     
            
                11.54
             |                                 
            
                125,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2017
             | 
            
                +0.50 / +2.08%
             |             
            
                23.90
             |           
            
                24.80
             |               
            
                23.80
             |                           
            
                24.50
             | 
            
                24.34
             |                     
            
                12.04
             |                                 
            
                106,910
             |  
            
                 
             |                                                              
             
    
         
    
    
 |