| 
                 
                    Closing price on 6/7/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.80 | 
                 
                
                    | High | 
                    14.00 | 
                 
                
                    | Low | 
                    13.40 | 
                     
                
                    | Volume | 
                    196,600 | 
                                 
                
                    | Split-adjusted Price | 
                    6.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DL1 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/7/2017
             | 
            
                -0.50 / -3.57%
             |             
            
                13.80
             |           
            
                14.00
             |               
            
                13.40
             |                           
            
                13.50
             | 
            
                13.63
             |                     
            
                6.63
             |                                 
            
                196,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2017
             | 
            
                +1.20 / +9.38%
             |             
            
                12.80
             |           
            
                14.00
             |               
            
                12.50
             |                           
            
                14.00
             | 
            
                13.16
             |                     
            
                6.88
             |                                 
            
                236,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2017
             | 
            
                +1.10 / +9.40%
             |             
            
                11.70
             |           
            
                12.80
             |               
            
                11.30
             |                           
            
                12.80
             | 
            
                11.88
             |                     
            
                6.29
             |                                 
            
                220,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2017
             | 
            
                +1.00 / +9.35%
             |             
            
                10.70
             |           
            
                11.70
             |               
            
                10.60
             |                           
            
                11.70
             | 
            
                11.07
             |                     
            
                5.75
             |                                 
            
                342,663
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2017
             | 
            
                -0.20 / -1.83%
             |             
            
                10.80
             |           
            
                10.90
             |               
            
                10.30
             |                           
            
                10.70
             | 
            
                10.63
             |                     
            
                5.26
             |                                 
            
                1,668,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2017
             | 
            
                +0.90 / +9.00%
             |             
            
                10.00
             |           
            
                11.00
             |               
            
                9.80
             |                           
            
                10.90
             | 
            
                10.31
             |                     
            
                5.35
             |                                 
            
                273,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2017
             | 
            
                -0.30 / -2.91%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                9.80
             |                           
            
                10.00
             | 
            
                10.03
             |                     
            
                4.91
             |                                 
            
                111,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                10.20
             |           
            
                10.30
             |               
            
                9.90
             |                           
            
                10.30
             | 
            
                10.07
             |                     
            
                5.06
             |                                 
            
                148,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2017
             | 
            
                -0.60 / -5.50%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                9.90
             |                           
            
                10.30
             | 
            
                10.21
             |                     
            
                5.06
             |                                 
            
                175,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2017
             | 
            
                -0.10 / -0.91%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                10.80
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                5.35
             |                                 
            
                148,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2017
             | 
            
                +0.10 / +0.92%
             |             
            
                10.90
             |           
            
                11.10
             |               
            
                10.60
             |                           
            
                11.00
             | 
            
                10.83
             |                     
            
                5.40
             |                                 
            
                239,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2017
             | 
            
                +0.80 / +7.92%
             |             
            
                10.10
             |           
            
                11.10
             |               
            
                10.00
             |                           
            
                10.90
             | 
            
                10.54
             |                     
            
                5.35
             |                                 
            
                230,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2017
             | 
            
                +0.70 / +7.45%
             |             
            
                9.40
             |           
            
                10.10
             |               
            
                9.40
             |                           
            
                10.10
             | 
            
                9.60
             |                     
            
                4.96
             |                                 
            
                162,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                8.60
             |                           
            
                9.40
             | 
            
                8.95
             |                     
            
                4.62
             |                                 
            
                115,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2017
             | 
            
                -0.70 / -6.93%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                9.40
             |                           
            
                9.40
             | 
            
                9.72
             |                     
            
                4.62
             |                                 
            
                50,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2017
             | 
            
                -0.20 / -1.94%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                10.10
             |                           
            
                10.10
             | 
            
                10.11
             |                     
            
                4.96
             |                                 
            
                519,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2017
             | 
            
                -0.30 / -2.83%
             |             
            
                10.60
             |           
            
                10.60
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.40
             |                     
            
                5.06
             |                                 
            
                19,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2017
             | 
            
                0.00 / 0.00%
             |             
            
                10.60
             |           
            
                10.60
             |               
            
                10.60
             |                           
            
                10.60
             | 
            
                10.60
             |                     
            
                5.21
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2017
             | 
            
                -0.10 / -0.93%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.60
             |                           
            
                10.60
             | 
            
                10.61
             |                     
            
                5.21
             |                                 
            
                8,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                10.70
             |           
            
                10.90
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                10.72
             |                     
            
                5.26
             |                                 
            
                2,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                10.70
             |           
            
                10.80
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                5.26
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2017
             | 
            
                -0.20 / -1.83%
             |             
            
                10.90
             |           
            
                10.90
             |               
            
                10.60
             |                           
            
                10.70
             | 
            
                10.72
             |                     
            
                5.26
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2017
             | 
            
                +0.10 / +0.93%
             |             
            
                10.80
             |           
            
                10.90
             |               
            
                10.80
             |                           
            
                10.90
             | 
            
                10.80
             |                     
            
                5.35
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2017
             | 
            
                0.00 / 0.00%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                5.31
             |                                 
            
                536
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.70
             |                           
            
                10.80
             | 
            
                10.75
             |                     
            
                5.31
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2017
             | 
            
                -0.20 / -1.82%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                11.00
             |                     
            
                5.31
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2017
             | 
            
                +0.10 / +0.92%
             |             
            
                10.90
             |           
            
                11.00
             |               
            
                10.90
             |                           
            
                11.00
             | 
            
                10.90
             |                     
            
                5.40
             |                                 
            
                1,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2017
             | 
            
                0.00 / 0.00%
             |             
            
                10.90
             |           
            
                10.90
             |               
            
                10.90
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                5.35
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2017
             | 
            
                -0.20 / -1.80%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                10.90
             |                           
            
                10.90
             | 
            
                10.95
             |                     
            
                5.35
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2017
             | 
            
                -0.10 / -0.89%
             |             
            
                11.20
             |           
            
                11.20
             |               
            
                11.00
             |                           
            
                11.10
             | 
            
                11.04
             |                     
            
                5.45
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |