| 
                 
                    Closing price on 11/16/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    46.25 | 
                 
                
                    | High | 
                    46.25 | 
                 
                
                    | Low | 
                    45.95 | 
                     
                
                    | Volume | 
                    15,500 | 
                                 
                
                    | Split-adjusted Price | 
                    35.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DSN Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/16/2021
             | 
            
                -0.15 / -0.33%
             |             
            
                46.25
             |           
            
                46.25
             |               
            
                45.95
             |                           
            
                46.00
             | 
            
                46.02
             |                     
            
                35.80
             |                                 
            
                15,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2021
             | 
            
                +0.55 / +1.21%
             |             
            
                46.40
             |           
            
                46.40
             |               
            
                45.80
             |                           
            
                46.15
             | 
            
                46.11
             |                     
            
                35.91
             |                                 
            
                56,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2021
             | 
            
                -0.25 / -0.55%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                45.50
             |                           
            
                45.60
             | 
            
                45.65
             |                     
            
                35.48
             |                                 
            
                27,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2021
             | 
            
                +0.05 / +0.11%
             |             
            
                45.70
             |           
            
                46.00
             |               
            
                45.65
             |                           
            
                45.85
             | 
            
                45.82
             |                     
            
                35.68
             |                                 
            
                36,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2021
             | 
            
                -0.20 / -0.43%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                45.70
             |                           
            
                45.80
             | 
            
                45.86
             |                     
            
                35.64
             |                                 
            
                37,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2021
             | 
            
                +0.10 / +0.22%
             |             
            
                46.00
             |           
            
                46.05
             |               
            
                45.80
             |                           
            
                46.00
             | 
            
                45.87
             |                     
            
                35.80
             |                                 
            
                26,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2021
             | 
            
                +0.40 / +0.88%
             |             
            
                45.85
             |           
            
                46.20
             |               
            
                45.80
             |                           
            
                45.90
             | 
            
                45.98
             |                     
            
                35.72
             |                                 
            
                48,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2021
             | 
            
                -0.50 / -1.09%
             |             
            
                45.10
             |           
            
                45.80
             |               
            
                45.10
             |                           
            
                45.50
             | 
            
                45.27
             |                     
            
                35.41
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2021
             | 
            
                +0.35 / +0.77%
             |             
            
                46.40
             |           
            
                46.40
             |               
            
                45.80
             |                           
            
                46.00
             | 
            
                45.96
             |                     
            
                35.80
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2021
             | 
            
                +0.55 / +1.22%
             |             
            
                45.90
             |           
            
                46.00
             |               
            
                45.10
             |                           
            
                45.65
             | 
            
                45.52
             |                     
            
                35.52
             |                                 
            
                35,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2021
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                45.10
             |               
            
                44.80
             |                           
            
                45.10
             | 
            
                45.00
             |                     
            
                35.09
             |                                 
            
                13,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2021
             | 
            
                -0.20 / -0.44%
             |             
            
                45.50
             |           
            
                45.50
             |               
            
                45.00
             |                           
            
                45.10
             | 
            
                45.18
             |                     
            
                35.09
             |                                 
            
                24,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2021
             | 
            
                -0.50 / -1.09%
             |             
            
                45.80
             |           
            
                45.80
             |               
            
                45.00
             |                           
            
                45.30
             | 
            
                45.28
             |                     
            
                35.25
             |                                 
            
                25,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2021
             | 
            
                +0.20 / +0.44%
             |             
            
                45.60
             |           
            
                45.80
             |               
            
                45.50
             |                           
            
                45.80
             | 
            
                45.71
             |                     
            
                35.64
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2021
             | 
            
                -0.10 / -0.22%
             |             
            
                45.70
             |           
            
                45.70
             |               
            
                45.20
             |                           
            
                45.60
             | 
            
                45.51
             |                     
            
                35.48
             |                                 
            
                22,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2021
             | 
            
                -0.10 / -0.22%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                45.50
             |                           
            
                45.70
             | 
            
                45.63
             |                     
            
                35.56
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2021
             | 
            
                -0.40 / -0.87%
             |             
            
                46.20
             |           
            
                46.20
             |               
            
                45.50
             |                           
            
                45.80
             | 
            
                45.99
             |                     
            
                35.64
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2021
             | 
            
                +0.10 / +0.22%
             |             
            
                46.10
             |           
            
                46.20
             |               
            
                46.00
             |                           
            
                46.20
             | 
            
                46.06
             |                     
            
                35.95
             |                                 
            
                12,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2021
             | 
            
                -0.70 / -1.50%
             |             
            
                46.50
             |           
            
                46.70
             |               
            
                46.00
             |                           
            
                46.10
             | 
            
                46.44
             |                     
            
                35.87
             |                                 
            
                13,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2021
             | 
            
                0.00 / 0.00%
             |             
            
                46.95
             |           
            
                46.95
             |               
            
                46.50
             |                           
            
                46.80
             | 
            
                46.59
             |                     
            
                36.42
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2021
             | 
            
                0.00 / 0.00%
             |             
            
                46.85
             |           
            
                46.85
             |               
            
                46.50
             |                           
            
                46.80
             | 
            
                46.54
             |                     
            
                36.42
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2021
             | 
            
                +0.80 / +1.74%
             |             
            
                46.05
             |           
            
                47.20
             |               
            
                46.00
             |                           
            
                46.80
             | 
            
                46.64
             |                     
            
                36.42
             |                                 
            
                12,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2021
             | 
            
                +0.50 / +1.10%
             |             
            
                46.00
             |           
            
                46.20
             |               
            
                45.50
             |                           
            
                46.00
             | 
            
                45.88
             |                     
            
                35.80
             |                                 
            
                8,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2021
             | 
            
                +0.30 / +0.66%
             |             
            
                46.20
             |           
            
                46.20
             |               
            
                45.15
             |                           
            
                45.50
             | 
            
                45.50
             |                     
            
                35.41
             |                                 
            
                6,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2021
             | 
            
                -0.45 / -0.99%
             |             
            
                45.65
             |           
            
                45.70
             |               
            
                45.00
             |                           
            
                45.20
             | 
            
                45.26
             |                     
            
                35.17
             |                                 
            
                13,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2021
             | 
            
                -1.35 / -2.87%
             |             
            
                46.80
             |           
            
                46.80
             |               
            
                45.20
             |                           
            
                45.65
             | 
            
                45.57
             |                     
            
                35.52
             |                                 
            
                14,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2021
             | 
            
                +3.00 / +6.82%
             |             
            
                44.20
             |           
            
                47.00
             |               
            
                43.90
             |                           
            
                47.00
             | 
            
                45.19
             |                     
            
                36.57
             |                                 
            
                29,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2021
             | 
            
                0.00 / 0.00%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                43.50
             |                           
            
                44.00
             | 
            
                43.96
             |                     
            
                34.24
             |                                 
            
                7,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2021
             | 
            
                +0.15 / +0.34%
             |             
            
                44.20
             |           
            
                44.30
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.14
             |                     
            
                34.24
             |                                 
            
                17,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2021
             | 
            
                +0.25 / +0.57%
             |             
            
                43.60
             |           
            
                43.85
             |               
            
                43.60
             |                           
            
                43.85
             | 
            
                43.68
             |                     
            
                34.12
             |                                 
            
                6,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |