| 
                 
                    Closing price on 11/16/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    56.00 | 
                 
                
                    | High | 
                    56.00 | 
                 
                
                    | Low | 
                    54.50 | 
                     
                
                    | Volume | 
                    46,200 | 
                                 
                
                    | Split-adjusted Price | 
                    49.07 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/16/2021
             | 
            
                -1.50 / -2.68%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                54.50
             |                           
            
                54.50
             | 
            
                54.98
             |                     
            
                49.07
             |                                 
            
                46,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2021
             | 
            
                +1.60 / +2.94%
             |             
            
                54.00
             |           
            
                56.00
             |               
            
                54.00
             |                           
            
                56.00
             | 
            
                54.75
             |                     
            
                50.42
             |                                 
            
                37,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2021
             | 
            
                0.00 / 0.00%
             |             
            
                53.50
             |           
            
                54.40
             |               
            
                53.40
             |                           
            
                54.40
             | 
            
                53.67
             |                     
            
                48.98
             |                                 
            
                33,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2021
             | 
            
                -0.40 / -0.73%
             |             
            
                54.80
             |           
            
                54.80
             |               
            
                53.80
             |                           
            
                54.40
             | 
            
                54.27
             |                     
            
                48.98
             |                                 
            
                45,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2021
             | 
            
                +0.30 / +0.55%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                54.00
             |                           
            
                54.80
             | 
            
                54.41
             |                     
            
                49.34
             |                                 
            
                33,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2021
             | 
            
                -0.40 / -0.73%
             |             
            
                54.50
             |           
            
                55.20
             |               
            
                54.30
             |                           
            
                54.50
             | 
            
                54.57
             |                     
            
                49.07
             |                                 
            
                25,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2021
             | 
            
                +0.60 / +1.10%
             |             
            
                54.30
             |           
            
                56.00
             |               
            
                54.30
             |                           
            
                54.90
             | 
            
                55.09
             |                     
            
                49.43
             |                                 
            
                42,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2021
             | 
            
                +0.50 / +0.93%
             |             
            
                53.80
             |           
            
                54.90
             |               
            
                53.80
             |                           
            
                54.30
             | 
            
                54.21
             |                     
            
                48.89
             |                                 
            
                51,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2021
             | 
            
                -0.70 / -1.28%
             |             
            
                54.50
             |           
            
                54.50
             |               
            
                53.50
             |                           
            
                53.80
             | 
            
                53.82
             |                     
            
                48.44
             |                                 
            
                28,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2021
             | 
            
                -0.40 / -0.73%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                54.00
             |                           
            
                54.50
             | 
            
                54.64
             |                     
            
                49.07
             |                                 
            
                36,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2021
             | 
            
                -0.70 / -1.26%
             |             
            
                55.00
             |           
            
                55.30
             |               
            
                54.60
             |                           
            
                54.90
             | 
            
                54.89
             |                     
            
                49.43
             |                                 
            
                22,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2021
             | 
            
                +1.10 / +2.02%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                54.60
             |                           
            
                55.60
             | 
            
                54.94
             |                     
            
                50.06
             |                                 
            
                32,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2021
             | 
            
                -0.60 / -1.09%
             |             
            
                54.20
             |           
            
                55.10
             |               
            
                54.20
             |                           
            
                54.50
             | 
            
                54.68
             |                     
            
                49.07
             |                                 
            
                26,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2021
             | 
            
                -0.70 / -1.25%
             |             
            
                55.80
             |           
            
                55.80
             |               
            
                54.70
             |                           
            
                55.10
             | 
            
                55.20
             |                     
            
                49.61
             |                                 
            
                14,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2021
             | 
            
                +0.50 / +0.90%
             |             
            
                54.00
             |           
            
                55.80
             |               
            
                54.00
             |                           
            
                55.80
             | 
            
                54.94
             |                     
            
                50.24
             |                                 
            
                27,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2021
             | 
            
                -0.50 / -0.90%
             |             
            
                55.60
             |           
            
                55.70
             |               
            
                54.60
             |                           
            
                55.30
             | 
            
                54.92
             |                     
            
                49.79
             |                                 
            
                31,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2021
             | 
            
                -0.30 / -0.53%
             |             
            
                56.10
             |           
            
                56.10
             |               
            
                55.00
             |                           
            
                55.80
             | 
            
                55.53
             |                     
            
                50.24
             |                                 
            
                35,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2021
             | 
            
                -0.80 / -1.41%
             |             
            
                56.90
             |           
            
                56.90
             |               
            
                56.10
             |                           
            
                56.10
             | 
            
                56.39
             |                     
            
                50.51
             |                                 
            
                18,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2021
             | 
            
                -0.60 / -1.04%
             |             
            
                57.90
             |           
            
                57.90
             |               
            
                56.50
             |                           
            
                56.90
             | 
            
                57.02
             |                     
            
                51.23
             |                                 
            
                32,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2021
             | 
            
                0.00 / 0.00%
             |             
            
                58.40
             |           
            
                58.40
             |               
            
                56.90
             |                           
            
                57.50
             | 
            
                57.23
             |                     
            
                51.77
             |                                 
            
                15,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2021
             | 
            
                -0.30 / -0.52%
             |             
            
                57.80
             |           
            
                57.80
             |               
            
                57.20
             |                           
            
                57.50
             | 
            
                57.42
             |                     
            
                51.77
             |                                 
            
                15,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2021
             | 
            
                -0.10 / -0.17%
             |             
            
                57.90
             |           
            
                58.50
             |               
            
                57.80
             |                           
            
                57.80
             | 
            
                57.99
             |                     
            
                52.04
             |                                 
            
                16,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2021
             | 
            
                +0.10 / +0.17%
             |             
            
                58.00
             |           
            
                58.40
             |               
            
                57.50
             |                           
            
                57.90
             | 
            
                58.09
             |                     
            
                52.13
             |                                 
            
                15,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2021
             | 
            
                +0.10 / +0.17%
             |             
            
                58.00
             |           
            
                58.50
             |               
            
                57.50
             |                           
            
                57.80
             | 
            
                57.96
             |                     
            
                52.04
             |                                 
            
                22,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2021
             | 
            
                +0.10 / +0.17%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                57.30
             |                           
            
                57.70
             | 
            
                57.66
             |                     
            
                51.95
             |                                 
            
                9,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2021
             | 
            
                -0.30 / -0.52%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                57.30
             |                           
            
                57.60
             | 
            
                57.81
             |                     
            
                51.86
             |                                 
            
                16,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2021
             | 
            
                +1.00 / +1.76%
             |             
            
                55.80
             |           
            
                59.00
             |               
            
                55.80
             |                           
            
                57.90
             | 
            
                57.26
             |                     
            
                52.13
             |                                 
            
                47,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2021
             | 
            
                +0.30 / +0.53%
             |             
            
                56.60
             |           
            
                56.90
             |               
            
                56.50
             |                           
            
                56.90
             | 
            
                56.69
             |                     
            
                51.23
             |                                 
            
                9,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2021
             | 
            
                +0.20 / +0.35%
             |             
            
                56.50
             |           
            
                57.00
             |               
            
                56.00
             |                           
            
                56.60
             | 
            
                56.49
             |                     
            
                50.96
             |                                 
            
                11,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2021
             | 
            
                +0.90 / +1.62%
             |             
            
                56.00
             |           
            
                56.80
             |               
            
                55.60
             |                           
            
                56.40
             | 
            
                56.11
             |                     
            
                50.78
             |                                 
            
                16,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |