| 
                 
                    Closing price on 2/21/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.60 | 
                 
                
                    | High | 
                    9.10 | 
                 
                
                    | Low | 
                    8.50 | 
                     
                
                    | Volume | 
                    216,000 | 
                                 
                
                    | Split-adjusted Price | 
                    9.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DS3 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/21/2022
             | 
            
                +0.40 / +4.65%
             |             
            
                8.60
             |           
            
                9.10
             |               
            
                8.50
             |                           
            
                9.00
             | 
            
                8.93
             |                     
            
                9.00
             |                                 
            
                216,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2022
             | 
            
                +0.10 / +1.18%
             |             
            
                8.50
             |           
            
                8.60
             |               
            
                8.50
             |                           
            
                8.60
             | 
            
                8.53
             |                     
            
                8.60
             |                                 
            
                26,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2022
             | 
            
                +0.10 / +1.19%
             |             
            
                8.40
             |           
            
                8.70
             |               
            
                8.20
             |                           
            
                8.50
             | 
            
                8.44
             |                     
            
                8.50
             |                                 
            
                20,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2022
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.37
             |                     
            
                8.40
             |                                 
            
                27,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2022
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.20
             |                           
            
                8.40
             | 
            
                8.21
             |                     
            
                8.40
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2022
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.33
             |                     
            
                8.40
             |                                 
            
                22,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2022
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.40
             | 
            
                8.37
             |                     
            
                8.40
             |                                 
            
                20,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2022
             | 
            
                -0.20 / -2.33%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.43
             |                     
            
                8.40
             |                                 
            
                13,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2022
             | 
            
                +0.10 / +1.18%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.40
             |                           
            
                8.60
             | 
            
                8.53
             |                     
            
                8.60
             |                                 
            
                17,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2022
             | 
            
                -0.20 / -2.30%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                8.50
             |                                 
            
                23,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2022
             | 
            
                +0.10 / +1.16%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.75
             |                     
            
                8.70
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2022
             | 
            
                +0.70 / +8.86%
             |             
            
                7.90
             |           
            
                8.60
             |               
            
                7.90
             |                           
            
                8.60
             | 
            
                8.29
             |                     
            
                8.60
             |                                 
            
                82,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2022
             | 
            
                -0.40 / -4.82%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                8.17
             |                     
            
                7.90
             |                                 
            
                111,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2022
             | 
            
                -0.20 / -2.35%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.20
             |                           
            
                8.30
             | 
            
                8.31
             |                     
            
                8.30
             |                                 
            
                32,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2022
             | 
            
                -0.10 / -1.16%
             |             
            
                8.20
             |           
            
                8.50
             |               
            
                8.20
             |                           
            
                8.50
             | 
            
                8.35
             |                     
            
                8.50
             |                                 
            
                11,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2022
             | 
            
                +0.10 / +1.18%
             |             
            
                8.30
             |           
            
                8.60
             |               
            
                8.30
             |                           
            
                8.60
             | 
            
                8.30
             |                     
            
                8.60
             |                                 
            
                18,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2022
             | 
            
                -0.40 / -4.49%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.40
             |                           
            
                8.50
             | 
            
                8.49
             |                     
            
                8.50
             |                                 
            
                30,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2022
             | 
            
                +0.30 / +3.49%
             |             
            
                8.40
             |           
            
                8.90
             |               
            
                8.30
             |                           
            
                8.90
             | 
            
                8.49
             |                     
            
                8.90
             |                                 
            
                30,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2022
             | 
            
                -0.20 / -2.27%
             |             
            
                8.30
             |           
            
                8.70
             |               
            
                8.30
             |                           
            
                8.60
             | 
            
                8.40
             |                     
            
                8.60
             |                                 
            
                14,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2022
             | 
            
                -0.10 / -1.12%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.30
             |                           
            
                8.80
             | 
            
                8.52
             |                     
            
                8.80
             |                                 
            
                45,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2022
             | 
            
                -0.30 / -3.26%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                8.40
             |                           
            
                8.90
             | 
            
                8.68
             |                     
            
                8.90
             |                                 
            
                74,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2022
             | 
            
                0.00 / 0.00%
             |             
            
                9.10
             |           
            
                9.20
             |               
            
                8.30
             |                           
            
                9.20
             | 
            
                8.70
             |                     
            
                9.20
             |                                 
            
                33,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2022
             | 
            
                -0.40 / -4.17%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                9.00
             |                           
            
                9.20
             | 
            
                9.23
             |                     
            
                9.20
             |                                 
            
                217,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2022
             | 
            
                -0.30 / -3.03%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.40
             |                           
            
                9.60
             | 
            
                9.47
             |                     
            
                9.60
             |                                 
            
                71,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2022
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.90
             |               
            
                9.60
             |                           
            
                9.90
             | 
            
                9.83
             |                     
            
                9.90
             |                                 
            
                40,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2022
             | 
            
                +0.40 / +4.21%
             |             
            
                9.50
             |           
            
                10.10
             |               
            
                9.40
             |                           
            
                9.90
             | 
            
                9.66
             |                     
            
                9.90
             |                                 
            
                396,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2022
             | 
            
                -0.10 / -1.04%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.40
             |                           
            
                9.50
             | 
            
                9.49
             |                     
            
                9.50
             |                                 
            
                54,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2022
             | 
            
                +0.10 / +1.05%
             |             
            
                9.50
             |           
            
                9.60
             |               
            
                9.40
             |                           
            
                9.60
             | 
            
                9.49
             |                     
            
                9.60
             |                                 
            
                21,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2022
             | 
            
                -0.10 / -1.04%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.40
             |                           
            
                9.50
             | 
            
                9.42
             |                     
            
                9.50
             |                                 
            
                24,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2022
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.70
             |               
            
                9.50
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                9.60
             |                                 
            
                40,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |