| 
                 
                    Closing price on 6/30/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.50 | 
                 
                
                    | High | 
                    5.70 | 
                 
                
                    | Low | 
                    5.00 | 
                     
                
                    | Volume | 
                    722,200 | 
                                 
                
                    | Split-adjusted Price | 
                    5.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/30/2020
             | 
            
                -0.50 / -9.09%
             |             
            
                5.50
             |           
            
                5.70
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.20
             |                     
            
                5.00
             |                                 
            
                722,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2020
             | 
            
                +0.30 / +5.77%
             |             
            
                5.20
             |           
            
                5.60
             |               
            
                4.80
             |                           
            
                5.50
             | 
            
                5.33
             |                     
            
                5.50
             |                                 
            
                609,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2020
             | 
            
                -0.40 / -7.14%
             |             
            
                5.10
             |           
            
                5.90
             |               
            
                5.10
             |                           
            
                5.20
             | 
            
                5.17
             |                     
            
                5.20
             |                                 
            
                4,218,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2020
             | 
            
                -0.60 / -9.68%
             |             
            
                5.90
             |           
            
                6.20
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.78
             |                     
            
                5.60
             |                                 
            
                474,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2020
             | 
            
                -0.60 / -8.82%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.25
             |                     
            
                6.20
             |                                 
            
                1,236,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2020
             | 
            
                -0.70 / -9.33%
             |             
            
                7.50
             |           
            
                8.10
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                7.11
             |                     
            
                6.80
             |                                 
            
                1,000,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2020
             | 
            
                +0.60 / +8.70%
             |             
            
                6.30
             |           
            
                7.50
             |               
            
                6.30
             |                           
            
                7.50
             | 
            
                6.82
             |                     
            
                7.50
             |                                 
            
                4,836,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2020
             | 
            
                -0.70 / -9.21%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                6.90
             |                                 
            
                1,287,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2020
             | 
            
                -0.80 / -9.52%
             |             
            
                8.40
             |           
            
                8.50
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.61
             |                     
            
                7.60
             |                                 
            
                2,722,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2020
             | 
            
                +0.70 / +9.09%
             |             
            
                7.70
             |           
            
                8.40
             |               
            
                7.00
             |                           
            
                8.40
             | 
            
                7.63
             |                     
            
                8.40
             |                                 
            
                701,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/16/2020
             | 
            
                -0.20 / -2.53%
             |             
            
                7.90
             |           
            
                8.30
             |               
            
                7.20
             |                           
            
                7.70
             | 
            
                7.24
             |                     
            
                7.70
             |                                 
            
                1,712,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2020
             | 
            
                +0.70 / +9.72%
             |             
            
                7.40
             |           
            
                7.90
             |               
            
                6.50
             |                           
            
                7.90
             | 
            
                6.84
             |                     
            
                7.90
             |                                 
            
                2,118,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2020
             | 
            
                +0.60 / +9.09%
             |             
            
                6.90
             |           
            
                7.20
             |               
            
                6.20
             |                           
            
                7.20
             | 
            
                7.04
             |                     
            
                7.20
             |                                 
            
                153,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2020
             | 
            
                +0.60 / +10.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.40
             |                           
            
                6.60
             | 
            
                6.57
             |                     
            
                6.60
             |                                 
            
                310,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2020
             | 
            
                +0.50 / +9.09%
             |             
            
                5.50
             |           
            
                6.00
             |               
            
                5.10
             |                           
            
                6.00
             | 
            
                5.89
             |                     
            
                6.00
             |                                 
            
                528,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2020
             | 
            
                +0.50 / +10.00%
             |             
            
                5.10
             |           
            
                5.50
             |               
            
                4.60
             |                           
            
                5.50
             | 
            
                5.44
             |                     
            
                5.50
             |                                 
            
                506,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2020
             | 
            
                +0.40 / +8.70%
             |             
            
                4.40
             |           
            
                5.00
             |               
            
                4.30
             |                           
            
                5.00
             | 
            
                4.76
             |                     
            
                5.00
             |                                 
            
                564,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2020
             | 
            
                -0.50 / -9.80%
             |             
            
                4.80
             |           
            
                5.10
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.62
             |                     
            
                4.60
             |                                 
            
                377,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2020
             | 
            
                +0.30 / +6.25%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                4.80
             |                           
            
                5.10
             | 
            
                4.93
             |                     
            
                5.10
             |                                 
            
                268,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2020
             | 
            
                +0.40 / +9.09%
             |             
            
                4.10
             |           
            
                4.80
             |               
            
                4.10
             |                           
            
                4.80
             | 
            
                4.60
             |                     
            
                4.80
             |                                 
            
                395,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2020
             | 
            
                -0.10 / -2.22%
             |             
            
                4.10
             |           
            
                4.90
             |               
            
                4.10
             |                           
            
                4.40
             | 
            
                4.48
             |                     
            
                4.40
             |                                 
            
                1,001,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2020
             | 
            
                -0.40 / -8.16%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.51
             |                     
            
                4.50
             |                                 
            
                598,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2020
             | 
            
                +0.30 / +6.52%
             |             
            
                4.80
             |           
            
                5.00
             |               
            
                4.20
             |                           
            
                4.90
             | 
            
                4.61
             |                     
            
                4.90
             |                                 
            
                676,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2020
             | 
            
                +0.40 / +9.52%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                4.60
             |                                 
            
                720,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2020
             | 
            
                +0.30 / +7.69%
             |             
            
                3.80
             |           
            
                4.20
             |               
            
                3.80
             |                           
            
                4.20
             | 
            
                4.10
             |                     
            
                4.20
             |                                 
            
                2,962,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2020
             | 
            
                +0.30 / +8.33%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.70
             |                           
            
                3.90
             | 
            
                3.84
             |                     
            
                3.90
             |                                 
            
                1,691,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2020
             | 
            
                +0.30 / +9.09%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.60
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                164,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2020
             | 
            
                +0.30 / +10.00%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.30
             |                                 
            
                75,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2020
             | 
            
                +0.20 / +7.14%
             |             
            
                2.60
             |           
            
                3.00
             |               
            
                2.60
             |                           
            
                3.00
             | 
            
                2.97
             |                     
            
                3.00
             |                                 
            
                130,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2020
             | 
            
                -0.30 / -9.68%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                342,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |