| 
                 
                    Closing price on 12/24/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    0.90 | 
                 
                
                    | High | 
                    1.00 | 
                 
                
                    | Low | 
                    0.90 | 
                     
                
                    | Volume | 
                    38,800 | 
                                 
                
                    | Split-adjusted Price | 
                    1.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/24/2019
             | 
            
                +0.10 / +11.11%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.94
             |                     
            
                1.00
             |                                 
            
                38,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.93
             |                     
            
                0.90
             |                                 
            
                152,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2019
             | 
            
                -0.10 / -10.00%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                33,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                19,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2019
             | 
            
                -0.10 / -9.09%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.01
             |                     
            
                1.00
             |                                 
            
                296,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2019
             | 
            
                +0.10 / +10.00%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.10
             | 
            
                1.00
             |                     
            
                1.10
             |                                 
            
                704,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                440,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                375,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                0.90
             |           
            
                1.10
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                244,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                326,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2019
             | 
            
                +0.10 / +11.11%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                647,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2019
             | 
            
                -0.10 / -10.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.95
             |                     
            
                0.90
             |                                 
            
                114,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                64,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                117,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2019
             | 
            
                +0.10 / +11.11%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.96
             |                     
            
                1.00
             |                                 
            
                125,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2019
             | 
            
                -0.10 / -10.00%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.90
             |                     
            
                0.90
             |                                 
            
                70,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2019
             | 
            
                -0.10 / -9.09%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                165,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2019
             | 
            
                +0.10 / +10.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                0.90
             |                           
            
                1.10
             | 
            
                1.01
             |                     
            
                1.10
             |                                 
            
                235,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                153,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                299,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2019
             | 
            
                -0.10 / -9.09%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                216,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2019
             | 
            
                +0.10 / +10.00%
             |             
            
                1.00
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.10
             | 
            
                1.03
             |                     
            
                1.10
             |                                 
            
                244,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.10
             |           
            
                1.10
             |               
            
                1.00
             |                           
            
                1.00
             | 
            
                1.09
             |                     
            
                1.00
             |                                 
            
                1,035,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2019
             | 
            
                +0.10 / +11.11%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                1.00
             |                     
            
                1.00
             |                                 
            
                700,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2019
             | 
            
                -0.10 / -10.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.99
             |                     
            
                0.90
             |                                 
            
                88,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.95
             |                     
            
                1.00
             |                                 
            
                286,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.91
             |                     
            
                1.00
             |                                 
            
                530,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2019
             | 
            
                +0.10 / +11.11%
             |             
            
                0.90
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.95
             |                     
            
                1.00
             |                                 
            
                105,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2019
             | 
            
                -0.10 / -10.00%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                0.90
             | 
            
                0.97
             |                     
            
                0.90
             |                                 
            
                63,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2019
             | 
            
                +0.10 / +11.11%
             |             
            
                1.00
             |           
            
                1.00
             |               
            
                0.90
             |                           
            
                1.00
             | 
            
                0.96
             |                     
            
                1.00
             |                                 
            
                293,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |