| 
                 
                    Closing price on 7/5/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    61.80 | 
                 
                
                    | High | 
                    62.50 | 
                 
                
                    | Low | 
                    61.80 | 
                     
                
                    | Volume | 
                    59,910 | 
                                 
                
                    | Split-adjusted Price | 
                    41.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/5/2018
             | 
            
                0.00 / 0.00%
             |             
            
                61.80
             |           
            
                62.50
             |               
            
                61.80
             |                           
            
                62.40
             | 
            
                62.19
             |                     
            
                41.80
             |                                 
            
                59,910
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2018
             | 
            
                +0.40 / +0.65%
             |             
            
                62.00
             |           
            
                62.60
             |               
            
                61.10
             |                           
            
                62.40
             | 
            
                61.91
             |                     
            
                41.80
             |                                 
            
                68,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2018
             | 
            
                -0.50 / -0.80%
             |             
            
                62.50
             |           
            
                62.50
             |               
            
                61.00
             |                           
            
                62.00
             | 
            
                61.90
             |                     
            
                41.53
             |                                 
            
                92,360
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2018
             | 
            
                -0.40 / -0.64%
             |             
            
                63.20
             |           
            
                63.20
             |               
            
                61.80
             |                           
            
                62.50
             | 
            
                62.41
             |                     
            
                41.86
             |                                 
            
                71,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2018
             | 
            
                0.00 / 0.00%
             |             
            
                63.50
             |           
            
                63.50
             |               
            
                62.30
             |                           
            
                62.90
             | 
            
                62.80
             |                     
            
                42.13
             |                                 
            
                60,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2018
             | 
            
                -0.30 / -0.47%
             |             
            
                63.50
             |           
            
                63.50
             |               
            
                62.40
             |                           
            
                62.90
             | 
            
                62.85
             |                     
            
                42.13
             |                                 
            
                58,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2018
             | 
            
                +0.20 / +0.32%
             |             
            
                63.50
             |           
            
                63.50
             |               
            
                63.00
             |                           
            
                63.20
             | 
            
                63.18
             |                     
            
                42.33
             |                                 
            
                63,680
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2018
             | 
            
                -0.20 / -0.32%
             |             
            
                64.00
             |           
            
                64.00
             |               
            
                62.10
             |                           
            
                63.00
             | 
            
                62.70
             |                     
            
                42.20
             |                                 
            
                62,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2018
             | 
            
                -0.60 / -0.94%
             |             
            
                64.00
             |           
            
                64.00
             |               
            
                62.70
             |                           
            
                63.20
             | 
            
                63.17
             |                     
            
                42.33
             |                                 
            
                53,540
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2018
             | 
            
                -0.10 / -0.16%
             |             
            
                64.00
             |           
            
                64.00
             |               
            
                62.00
             |                           
            
                63.80
             | 
            
                63.66
             |                     
            
                42.74
             |                                 
            
                57,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2018
             | 
            
                +0.40 / +0.63%
             |             
            
                64.20
             |           
            
                64.50
             |               
            
                61.00
             |                           
            
                63.90
             | 
            
                63.02
             |                     
            
                42.80
             |                                 
            
                90,220
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2018
             | 
            
                +2.20 / +3.59%
             |             
            
                62.00
             |           
            
                64.00
             |               
            
                61.50
             |                           
            
                63.50
             | 
            
                62.51
             |                     
            
                42.53
             |                                 
            
                60,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2018
             | 
            
                -3.70 / -5.69%
             |             
            
                65.00
             |           
            
                65.00
             |               
            
                61.00
             |                           
            
                61.30
             | 
            
                61.94
             |                     
            
                41.06
             |                                 
            
                57,360
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2018
             | 
            
                0.00 / 0.00%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                62.00
             |                           
            
                65.00
             | 
            
                64.85
             |                     
            
                43.54
             |                                 
            
                59,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2018
             | 
            
                +0.10 / +0.15%
             |             
            
                67.50
             |           
            
                67.80
             |               
            
                66.50
             |                           
            
                67.00
             | 
            
                67.01
             |                     
            
                43.54
             |                                 
            
                51,190
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2018
             | 
            
                0.00 / 0.00%
             |             
            
                67.30
             |           
            
                67.70
             |               
            
                66.00
             |                           
            
                66.90
             | 
            
                66.97
             |                     
            
                43.47
             |                                 
            
                116,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2018
             | 
            
                +0.90 / +1.36%
             |             
            
                68.00
             |           
            
                68.00
             |               
            
                65.60
             |                           
            
                66.90
             | 
            
                66.89
             |                     
            
                43.47
             |                                 
            
                71,040
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2018
             | 
            
                -0.70 / -1.05%
             |             
            
                66.10
             |           
            
                66.50
             |               
            
                65.10
             |                           
            
                66.00
             | 
            
                65.80
             |                     
            
                42.89
             |                                 
            
                81,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2018
             | 
            
                -0.50 / -0.74%
             |             
            
                68.20
             |           
            
                68.20
             |               
            
                66.00
             |                           
            
                66.70
             | 
            
                66.55
             |                     
            
                43.34
             |                                 
            
                73,340
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2018
             | 
            
                -1.40 / -2.04%
             |             
            
                68.60
             |           
            
                68.60
             |               
            
                66.90
             |                           
            
                67.20
             | 
            
                67.32
             |                     
            
                43.67
             |                                 
            
                96,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2018
             | 
            
                +0.10 / +0.15%
             |             
            
                69.00
             |           
            
                69.90
             |               
            
                68.00
             |                           
            
                68.60
             | 
            
                68.59
             |                     
            
                44.58
             |                                 
            
                68,740
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2018
             | 
            
                -0.20 / -0.29%
             |             
            
                69.00
             |           
            
                69.00
             |               
            
                67.50
             |                           
            
                68.50
             | 
            
                68.22
             |                     
            
                44.51
             |                                 
            
                80,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2018
             | 
            
                -0.80 / -1.15%
             |             
            
                68.50
             |           
            
                69.30
             |               
            
                68.20
             |                           
            
                68.70
             | 
            
                68.87
             |                     
            
                44.64
             |                                 
            
                140,830
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2018
             | 
            
                +0.20 / +0.29%
             |             
            
                69.90
             |           
            
                69.90
             |               
            
                68.00
             |                           
            
                69.50
             | 
            
                69.44
             |                     
            
                45.16
             |                                 
            
                80,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2018
             | 
            
                +4.50 / +6.94%
             |             
            
                61.80
             |           
            
                69.30
             |               
            
                61.80
             |                           
            
                69.30
             | 
            
                67.11
             |                     
            
                45.03
             |                                 
            
                91,370
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2018
             | 
            
                +1.70 / +2.69%
             |             
            
                63.10
             |           
            
                66.40
             |               
            
                63.10
             |                           
            
                64.80
             | 
            
                65.58
             |                     
            
                42.11
             |                                 
            
                52,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2018
             | 
            
                +4.10 / +6.95%
             |             
            
                59.30
             |           
            
                63.10
             |               
            
                59.30
             |                           
            
                63.10
             | 
            
                62.69
             |                     
            
                41.00
             |                                 
            
                62,050
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2018
             | 
            
                -4.00 / -6.35%
             |             
            
                63.00
             |           
            
                63.10
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                61.77
             |                     
            
                38.34
             |                                 
            
                171,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2018
             | 
            
                -2.20 / -3.37%
             |             
            
                64.00
             |           
            
                64.20
             |               
            
                63.00
             |                           
            
                63.00
             | 
            
                63.78
             |                     
            
                40.94
             |                                 
            
                93,020
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2018
             | 
            
                -0.80 / -1.21%
             |             
            
                65.50
             |           
            
                65.50
             |               
            
                64.30
             |                           
            
                65.20
             | 
            
                65.08
             |                     
            
                42.37
             |                                 
            
                84,480
             |  
            
                 
             |                                                              
             
    
         
    
    
 |