| 
                 
                    Closing price on 11/17/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    16.20 | 
                 
                
                    | High | 
                    16.20 | 
                 
                
                    | Low | 
                    15.60 | 
                     
                
                    | Volume | 
                    36,900 | 
                                 
                
                    | Split-adjusted Price | 
                    14.35 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DTI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/17/2021
             | 
            
                -0.20 / -1.23%
             |             
            
                16.20
             |           
            
                16.20
             |               
            
                15.60
             |                           
            
                16.00
             | 
            
                15.90
             |                     
            
                14.35
             |                                 
            
                36,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2021
             | 
            
                +0.70 / +4.46%
             |             
            
                16.10
             |           
            
                16.90
             |               
            
                16.00
             |                           
            
                16.40
             | 
            
                16.20
             |                     
            
                14.71
             |                                 
            
                94,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2021
             | 
            
                +1.10 / +7.14%
             |             
            
                16.50
             |           
            
                17.50
             |               
            
                15.50
             |                           
            
                16.50
             | 
            
                15.70
             |                     
            
                14.80
             |                                 
            
                581,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2021
             | 
            
                +1.60 / +10.39%
             |             
            
                15.60
             |           
            
                17.30
             |               
            
                15.20
             |                           
            
                17.00
             | 
            
                15.40
             |                     
            
                15.25
             |                                 
            
                740,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2021
             | 
            
                +0.10 / +0.66%
             |             
            
                16.50
             |           
            
                17.40
             |               
            
                15.20
             |                           
            
                15.30
             | 
            
                15.40
             |                     
            
                13.73
             |                                 
            
                563,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2021
             | 
            
                +1.70 / +11.81%
             |             
            
                15.30
             |           
            
                16.50
             |               
            
                15.00
             |                           
            
                16.10
             | 
            
                15.20
             |                     
            
                14.44
             |                                 
            
                416,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2021
             | 
            
                +1.00 / +6.99%
             |             
            
                14.30
             |           
            
                15.90
             |               
            
                13.90
             |                           
            
                15.30
             | 
            
                14.40
             |                     
            
                13.73
             |                                 
            
                65,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2021
             | 
            
                +0.10 / +0.67%
             |             
            
                15.00
             |           
            
                15.10
             |               
            
                13.80
             |                           
            
                15.00
             | 
            
                14.27
             |                     
            
                13.46
             |                                 
            
                78,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2021
             | 
            
                +0.30 / +2.04%
             |             
            
                14.70
             |           
            
                15.10
             |               
            
                14.70
             |                           
            
                15.00
             | 
            
                14.90
             |                     
            
                13.46
             |                                 
            
                99,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2021
             | 
            
                +0.60 / +4.03%
             |             
            
                14.80
             |           
            
                16.00
             |               
            
                14.10
             |                           
            
                15.50
             | 
            
                14.70
             |                     
            
                13.90
             |                                 
            
                100,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2021
             | 
            
                +1.10 / +7.69%
             |             
            
                15.00
             |           
            
                15.50
             |               
            
                14.50
             |                           
            
                15.40
             | 
            
                14.90
             |                     
            
                13.81
             |                                 
            
                45,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2021
             | 
            
                +0.30 / +1.97%
             |             
            
                13.70
             |           
            
                16.60
             |               
            
                13.60
             |                           
            
                15.50
             | 
            
                14.30
             |                     
            
                13.90
             |                                 
            
                54,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2021
             | 
            
                +1.90 / +13.67%
             |             
            
                14.00
             |           
            
                15.90
             |               
            
                14.00
             |                           
            
                15.80
             | 
            
                15.20
             |                     
            
                14.17
             |                                 
            
                147,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2021
             | 
            
                +0.80 / +5.84%
             |             
            
                13.90
             |           
            
                14.50
             |               
            
                13.80
             |                           
            
                14.50
             | 
            
                13.90
             |                     
            
                13.01
             |                                 
            
                58,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2021
             | 
            
                -0.20 / -1.44%
             |             
            
                13.70
             |           
            
                14.20
             |               
            
                13.60
             |                           
            
                13.70
             | 
            
                13.70
             |                     
            
                12.29
             |                                 
            
                53,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2021
             | 
            
                +0.40 / +2.92%
             |             
            
                14.20
             |           
            
                14.40
             |               
            
                13.80
             |                           
            
                14.10
             | 
            
                13.90
             |                     
            
                12.65
             |                                 
            
                87,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2021
             | 
            
                +0.40 / +2.96%
             |             
            
                13.70
             |           
            
                14.10
             |               
            
                13.20
             |                           
            
                13.90
             | 
            
                13.70
             |                     
            
                12.47
             |                                 
            
                76,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2021
             | 
            
                +1.60 / +12.12%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                13.20
             |                           
            
                14.80
             | 
            
                13.50
             |                     
            
                13.28
             |                                 
            
                89,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2021
             | 
            
                +1.60 / +11.85%
             |             
            
                13.30
             |           
            
                15.10
             |               
            
                13.00
             |                           
            
                15.10
             | 
            
                13.20
             |                     
            
                13.55
             |                                 
            
                81,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2021
             | 
            
                +1.80 / +14.29%
             |             
            
                12.80
             |           
            
                14.40
             |               
            
                12.70
             |                           
            
                14.40
             | 
            
                13.50
             |                     
            
                12.92
             |                                 
            
                93,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2021
             | 
            
                +1.20 / +9.76%
             |             
            
                12.40
             |           
            
                13.50
             |               
            
                12.30
             |                           
            
                13.50
             | 
            
                12.60
             |                     
            
                12.11
             |                                 
            
                87,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2021
             | 
            
                +0.50 / +4.17%
             |             
            
                12.10
             |           
            
                13.10
             |               
            
                12.00
             |                           
            
                12.50
             | 
            
                12.30
             |                     
            
                11.21
             |                                 
            
                77,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2021
             | 
            
                -0.80 / -6.20%
             |             
            
                12.00
             |           
            
                12.10
             |               
            
                12.00
             |                           
            
                12.10
             | 
            
                12.00
             |                     
            
                10.85
             |                                 
            
                633,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2021
             | 
            
                -1.80 / -12.16%
             |             
            
                13.10
             |           
            
                13.10
             |               
            
                12.80
             |                           
            
                13.00
             | 
            
                12.90
             |                     
            
                11.66
             |                                 
            
                2,175,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2021
             | 
            
                -0.10 / -0.76%
             |             
            
                14.90
             |           
            
                15.00
             |               
            
                11.40
             |                           
            
                13.00
             | 
            
                14.80
             |                     
            
                11.66
             |                                 
            
                17,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2021
             | 
            
                +1.60 / +13.91%
             |             
            
                13.10
             |           
            
                13.10
             |               
            
                13.10
             |                           
            
                13.10
             | 
            
                13.10
             |                     
            
                11.75
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2021
             | 
            
                -1.60 / -12.12%
             |             
            
                11.50
             |           
            
                11.70
             |               
            
                11.50
             |                           
            
                11.60
             | 
            
                11.50
             |                     
            
                10.41
             |                                 
            
                1,130,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2021
             | 
            
                0.00 / 0.00%
             |             
            
                13.20
             |           
            
                13.20
             |               
            
                13.20
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                11.84
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                13.20
             |           
            
                13.20
             |               
            
                13.20
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                11.84
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2021
             | 
            
                -2.20 / -14.38%
             |             
            
                13.10
             |           
            
                15.30
             |               
            
                13.10
             |                           
            
                13.10
             | 
            
                13.20
             |                     
            
                11.75
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |