| 
                 
                    Closing price on 5/19/2022
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    53.00 | 
                 
                
                    | High | 
                    55.50 | 
                 
                
                    | Low | 
                    52.00 | 
                     
                
                    | Volume | 
                    15,700 | 
                                 
                
                    | Split-adjusted Price | 
                    49.61 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/19/2022
             | 
            
                +0.10 / +0.18%
             |             
            
                53.00
             |           
            
                55.50
             |               
            
                52.00
             |                           
            
                55.10
             | 
            
                54.01
             |                     
            
                49.61
             |                                 
            
                15,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2022
             | 
            
                -1.00 / -1.79%
             |             
            
                55.90
             |           
            
                55.90
             |               
            
                54.90
             |                           
            
                55.00
             | 
            
                55.11
             |                     
            
                49.52
             |                                 
            
                23,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2022
             | 
            
                +3.00 / +5.66%
             |             
            
                52.20
             |           
            
                56.40
             |               
            
                51.70
             |                           
            
                56.00
             | 
            
                53.31
             |                     
            
                50.42
             |                                 
            
                31,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2022
             | 
            
                +2.30 / +4.54%
             |             
            
                50.50
             |           
            
                54.00
             |               
            
                50.50
             |                           
            
                53.00
             | 
            
                52.03
             |                     
            
                47.71
             |                                 
            
                50,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2022
             | 
            
                -3.80 / -6.97%
             |             
            
                52.10
             |           
            
                54.40
             |               
            
                50.70
             |                           
            
                50.70
             | 
            
                52.04
             |                     
            
                45.64
             |                                 
            
                65,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2022
             | 
            
                -3.10 / -5.38%
             |             
            
                56.00
             |           
            
                57.00
             |               
            
                54.50
             |                           
            
                54.50
             | 
            
                55.05
             |                     
            
                49.07
             |                                 
            
                61,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2022
             | 
            
                +0.10 / +0.17%
             |             
            
                57.50
             |           
            
                58.00
             |               
            
                57.00
             |                           
            
                57.60
             | 
            
                57.53
             |                     
            
                51.86
             |                                 
            
                11,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2022
             | 
            
                +0.40 / +0.70%
             |             
            
                56.90
             |           
            
                57.50
             |               
            
                55.00
             |                           
            
                57.50
             | 
            
                56.29
             |                     
            
                51.77
             |                                 
            
                26,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2022
             | 
            
                -4.20 / -6.85%
             |             
            
                61.00
             |           
            
                61.10
             |               
            
                57.10
             |                           
            
                57.10
             | 
            
                58.13
             |                     
            
                51.41
             |                                 
            
                51,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2022
             | 
            
                -0.70 / -1.13%
             |             
            
                60.10
             |           
            
                62.00
             |               
            
                60.10
             |                           
            
                61.30
             | 
            
                60.80
             |                     
            
                55.19
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2022
             | 
            
                -0.10 / -0.16%
             |             
            
                62.20
             |           
            
                62.80
             |               
            
                61.00
             |                           
            
                62.00
             | 
            
                61.86
             |                     
            
                55.82
             |                                 
            
                13,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2022
             | 
            
                -0.30 / -0.48%
             |             
            
                62.00
             |           
            
                64.50
             |               
            
                62.00
             |                           
            
                62.10
             | 
            
                62.36
             |                     
            
                55.91
             |                                 
            
                15,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2022
             | 
            
                +1.40 / +2.30%
             |             
            
                60.50
             |           
            
                62.50
             |               
            
                60.50
             |                           
            
                62.40
             | 
            
                61.56
             |                     
            
                56.18
             |                                 
            
                25,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2022
             | 
            
                -0.20 / -0.33%
             |             
            
                64.00
             |           
            
                64.00
             |               
            
                60.80
             |                           
            
                61.00
             | 
            
                61.40
             |                     
            
                54.92
             |                                 
            
                65,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2022
             | 
            
                -0.50 / -0.81%
             |             
            
                61.60
             |           
            
                61.70
             |               
            
                57.40
             |                           
            
                61.20
             | 
            
                61.22
             |                     
            
                55.10
             |                                 
            
                33,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2022
             | 
            
                +2.70 / +4.58%
             |             
            
                55.60
             |           
            
                61.70
             |               
            
                55.60
             |                           
            
                61.70
             | 
            
                57.84
             |                     
            
                55.55
             |                                 
            
                34,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2022
             | 
            
                -2.70 / -4.38%
             |             
            
                61.60
             |           
            
                63.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                60.63
             |                     
            
                53.12
             |                                 
            
                105,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2022
             | 
            
                -0.80 / -1.28%
             |             
            
                62.60
             |           
            
                64.50
             |               
            
                61.00
             |                           
            
                61.70
             | 
            
                62.59
             |                     
            
                55.55
             |                                 
            
                34,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2022
             | 
            
                -2.00 / -3.10%
             |             
            
                63.90
             |           
            
                63.90
             |               
            
                61.00
             |                           
            
                62.50
             | 
            
                62.13
             |                     
            
                56.27
             |                                 
            
                63,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2022
             | 
            
                -1.50 / -2.27%
             |             
            
                65.00
             |           
            
                65.90
             |               
            
                64.50
             |                           
            
                64.50
             | 
            
                65.01
             |                     
            
                58.07
             |                                 
            
                40,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2022
             | 
            
                -2.00 / -2.94%
             |             
            
                68.00
             |           
            
                68.10
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                67.47
             |                     
            
                59.42
             |                                 
            
                34,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2022
             | 
            
                +3.20 / +4.94%
             |             
            
                64.00
             |           
            
                68.10
             |               
            
                63.10
             |                           
            
                68.00
             | 
            
                65.64
             |                     
            
                61.22
             |                                 
            
                108,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2022
             | 
            
                -1.10 / -1.67%
             |             
            
                65.90
             |           
            
                66.30
             |               
            
                64.10
             |                           
            
                64.80
             | 
            
                64.86
             |                     
            
                58.34
             |                                 
            
                42,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2022
             | 
            
                -1.60 / -2.37%
             |             
            
                67.60
             |           
            
                68.00
             |               
            
                65.90
             |                           
            
                65.90
             | 
            
                66.82
             |                     
            
                59.33
             |                                 
            
                38,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2022
             | 
            
                +1.50 / +2.27%
             |             
            
                67.20
             |           
            
                67.50
             |               
            
                65.50
             |                           
            
                67.50
             | 
            
                66.56
             |                     
            
                60.77
             |                                 
            
                35,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2022
             | 
            
                +0.80 / +1.23%
             |             
            
                65.50
             |           
            
                68.00
             |               
            
                64.80
             |                           
            
                66.00
             | 
            
                65.96
             |                     
            
                59.42
             |                                 
            
                135,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2022
             | 
            
                +1.20 / +1.88%
             |             
            
                64.00
             |           
            
                65.40
             |               
            
                64.00
             |                           
            
                65.20
             | 
            
                65.05
             |                     
            
                58.70
             |                                 
            
                31,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2022
             | 
            
                -1.40 / -2.14%
             |             
            
                64.50
             |           
            
                65.30
             |               
            
                63.90
             |                           
            
                64.00
             | 
            
                64.50
             |                     
            
                57.62
             |                                 
            
                40,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2022
             | 
            
                +0.90 / +1.40%
             |             
            
                64.40
             |           
            
                65.40
             |               
            
                64.00
             |                           
            
                65.40
             | 
            
                64.58
             |                     
            
                58.88
             |                                 
            
                48,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2022
             | 
            
                +0.90 / +1.42%
             |             
            
                65.90
             |           
            
                65.90
             |               
            
                63.70
             |                           
            
                64.50
             | 
            
                64.93
             |                     
            
                58.07
             |                                 
            
                47,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |