| 
                 
                    Closing price on 11/11/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.30 | 
                 
                
                    | High | 
                    6.80 | 
                 
                
                    | Low | 
                    6.10 | 
                     
                
                    | Volume | 
                    4,656,400 | 
                                 
                
                    | Split-adjusted Price | 
                    6.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/11/2021
             | 
            
                +0.60 / +9.68%
             |             
            
                6.30
             |           
            
                6.80
             |               
            
                6.10
             |                           
            
                6.80
             | 
            
                6.51
             |                     
            
                6.80
             |                                 
            
                4,656,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2021
             | 
            
                +0.30 / +5.08%
             |             
            
                5.90
             |           
            
                6.20
             |               
            
                5.80
             |                           
            
                6.20
             | 
            
                5.99
             |                     
            
                6.20
             |                                 
            
                1,438,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2021
             | 
            
                -0.20 / -3.28%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.99
             |                     
            
                5.90
             |                                 
            
                1,180,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2021
             | 
            
                +0.30 / +5.17%
             |             
            
                5.80
             |           
            
                6.20
             |               
            
                5.80
             |                           
            
                6.10
             | 
            
                6.06
             |                     
            
                6.10
             |                                 
            
                1,718,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2021
             | 
            
                0.00 / 0.00%
             |             
            
                5.80
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                5.80
             | 
            
                5.82
             |                     
            
                5.80
             |                                 
            
                1,171,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2021
             | 
            
                +0.10 / +1.75%
             |             
            
                5.70
             |           
            
                5.90
             |               
            
                5.40
             |                           
            
                5.80
             | 
            
                5.68
             |                     
            
                5.80
             |                                 
            
                1,357,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2021
             | 
            
                -0.60 / -9.52%
             |             
            
                6.20
             |           
            
                6.50
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                6.01
             |                     
            
                5.70
             |                                 
            
                3,198,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2021
             | 
            
                +0.10 / +1.61%
             |             
            
                6.30
             |           
            
                6.40
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.22
             |                     
            
                6.30
             |                                 
            
                1,584,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2021
             | 
            
                +0.50 / +8.77%
             |             
            
                5.80
             |           
            
                6.20
             |               
            
                5.70
             |                           
            
                6.20
             | 
            
                6.02
             |                     
            
                6.20
             |                                 
            
                3,184,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2021
             | 
            
                -0.10 / -1.72%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.67
             |                     
            
                5.70
             |                                 
            
                1,775,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2021
             | 
            
                +0.10 / +1.75%
             |             
            
                5.60
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.80
             | 
            
                5.70
             |                     
            
                5.80
             |                                 
            
                1,301,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2021
             | 
            
                -0.10 / -1.72%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.75
             |                     
            
                5.70
             |                                 
            
                1,537,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2021
             | 
            
                +0.30 / +5.45%
             |             
            
                5.50
             |           
            
                5.90
             |               
            
                5.40
             |                           
            
                5.80
             | 
            
                5.72
             |                     
            
                5.80
             |                                 
            
                1,419,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2021
             | 
            
                -0.20 / -3.51%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.59
             |                     
            
                5.50
             |                                 
            
                1,322,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2021
             | 
            
                +0.10 / +1.79%
             |             
            
                5.60
             |           
            
                5.90
             |               
            
                5.30
             |                           
            
                5.70
             | 
            
                5.57
             |                     
            
                5.70
             |                                 
            
                2,194,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2021
             | 
            
                -0.20 / -3.45%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.71
             |                     
            
                5.60
             |                                 
            
                1,161,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2021
             | 
            
                +0.30 / +5.45%
             |             
            
                5.60
             |           
            
                6.00
             |               
            
                5.50
             |                           
            
                5.80
             | 
            
                5.83
             |                     
            
                5.80
             |                                 
            
                3,764,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2021
             | 
            
                +0.50 / +10.00%
             |             
            
                5.00
             |           
            
                5.50
             |               
            
                4.90
             |                           
            
                5.50
             | 
            
                5.34
             |                     
            
                5.50
             |                                 
            
                3,171,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2021
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                5.00
             |                                 
            
                1,216,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                4.97
             |                     
            
                5.00
             |                                 
            
                1,101,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2021
             | 
            
                +0.20 / +4.17%
             |             
            
                4.80
             |           
            
                5.10
             |               
            
                4.70
             |                           
            
                5.00
             | 
            
                4.93
             |                     
            
                5.00
             |                                 
            
                966,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2021
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.73
             |                     
            
                4.80
             |                                 
            
                879,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2021
             | 
            
                -0.10 / -2.04%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.79
             |                     
            
                4.80
             |                                 
            
                1,103,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2021
             | 
            
                0.00 / 0.00%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.88
             |                     
            
                4.90
             |                                 
            
                569,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2021
             | 
            
                -0.20 / -3.92%
             |             
            
                5.10
             |           
            
                5.20
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                5.01
             |                     
            
                4.90
             |                                 
            
                764,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2021
             | 
            
                +0.20 / +4.08%
             |             
            
                4.90
             |           
            
                5.20
             |               
            
                4.70
             |                           
            
                5.10
             | 
            
                4.93
             |                     
            
                5.10
             |                                 
            
                1,173,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2021
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.70
             |                           
            
                4.90
             | 
            
                4.82
             |                     
            
                4.90
             |                                 
            
                843,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2021
             | 
            
                +0.40 / +8.89%
             |             
            
                4.60
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.90
             | 
            
                4.82
             |                     
            
                4.90
             |                                 
            
                1,180,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2021
             | 
            
                -0.20 / -4.26%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.58
             |                     
            
                4.50
             |                                 
            
                974,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2021
             | 
            
                -0.10 / -2.08%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.75
             |                     
            
                4.70
             |                                 
            
                997,400
             |  
            
                 
             |                                                              
             
    
         
    
    
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