| 
                 
                    Closing price on 5/6/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    1.38 | 
                 
                
                    | High | 
                    1.38 | 
                 
                
                    | Low | 
                    1.35 | 
                     
                
                    | Volume | 
                    169,720 | 
                                 
                
                    | Split-adjusted Price | 
                    1.37 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/6/2019
             | 
            
                -0.01 / -0.72%
             |             
            
                1.38
             |           
            
                1.38
             |               
            
                1.35
             |                           
            
                1.37
             | 
            
                1.36
             |                     
            
                1.37
             |                                 
            
                169,720
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2019
             | 
            
                -0.01 / -0.72%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.36
             |                           
            
                1.38
             | 
            
                1.38
             |                     
            
                1.38
             |                                 
            
                118,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2019
             | 
            
                +0.01 / +0.72%
             |             
            
                1.38
             |           
            
                1.41
             |               
            
                1.37
             |                           
            
                1.39
             | 
            
                1.39
             |                     
            
                1.39
             |                                 
            
                104,120
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2019
             | 
            
                -0.02 / -1.43%
             |             
            
                1.40
             |           
            
                1.40
             |               
            
                1.35
             |                           
            
                1.38
             | 
            
                1.37
             |                     
            
                1.38
             |                                 
            
                519,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2019
             | 
            
                -0.01 / -0.71%
             |             
            
                1.40
             |           
            
                1.43
             |               
            
                1.39
             |                           
            
                1.40
             | 
            
                1.41
             |                     
            
                1.40
             |                                 
            
                231,960
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2019
             | 
            
                +0.01 / +0.71%
             |             
            
                1.40
             |           
            
                1.41
             |               
            
                1.38
             |                           
            
                1.41
             | 
            
                1.39
             |                     
            
                1.41
             |                                 
            
                180,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.42
             |           
            
                1.42
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.41
             |                     
            
                1.40
             |                                 
            
                192,660
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2019
             | 
            
                -0.04 / -2.78%
             |             
            
                1.38
             |           
            
                1.44
             |               
            
                1.38
             |                           
            
                1.40
             | 
            
                1.41
             |                     
            
                1.40
             |                                 
            
                229,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2019
             | 
            
                +0.04 / +2.86%
             |             
            
                1.40
             |           
            
                1.47
             |               
            
                1.38
             |                           
            
                1.44
             | 
            
                1.42
             |                     
            
                1.44
             |                                 
            
                151,620
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2019
             | 
            
                -0.08 / -5.41%
             |             
            
                1.48
             |           
            
                1.49
             |               
            
                1.40
             |                           
            
                1.40
             | 
            
                1.41
             |                     
            
                1.40
             |                                 
            
                378,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2019
             | 
            
                -0.04 / -2.63%
             |             
            
                1.52
             |           
            
                1.55
             |               
            
                1.47
             |                           
            
                1.48
             | 
            
                1.50
             |                     
            
                1.48
             |                                 
            
                503,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2019
             | 
            
                -0.04 / -2.56%
             |             
            
                1.56
             |           
            
                1.56
             |               
            
                1.47
             |                           
            
                1.52
             | 
            
                1.52
             |                     
            
                1.52
             |                                 
            
                150,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.56
             |           
            
                1.60
             |               
            
                1.50
             |                           
            
                1.56
             | 
            
                1.55
             |                     
            
                1.56
             |                                 
            
                181,520
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2019
             | 
            
                +0.05 / +3.31%
             |             
            
                1.51
             |           
            
                1.60
             |               
            
                1.50
             |                           
            
                1.56
             | 
            
                1.56
             |                     
            
                1.56
             |                                 
            
                267,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2019
             | 
            
                -0.10 / -6.21%
             |             
            
                1.51
             |           
            
                1.61
             |               
            
                1.50
             |                           
            
                1.51
             | 
            
                1.51
             |                     
            
                1.51
             |                                 
            
                1,036,810
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2019
             | 
            
                -0.12 / -6.94%
             |             
            
                1.73
             |           
            
                1.79
             |               
            
                1.61
             |                           
            
                1.61
             | 
            
                1.63
             |                     
            
                1.61
             |                                 
            
                774,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2019
             | 
            
                +0.08 / +4.85%
             |             
            
                1.76
             |           
            
                1.76
             |               
            
                1.70
             |                           
            
                1.73
             | 
            
                1.75
             |                     
            
                1.73
             |                                 
            
                1,217,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2019
             | 
            
                +0.10 / +6.45%
             |             
            
                1.58
             |           
            
                1.65
             |               
            
                1.58
             |                           
            
                1.65
             | 
            
                1.65
             |                     
            
                1.65
             |                                 
            
                891,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2019
             | 
            
                +0.03 / +1.97%
             |             
            
                1.52
             |           
            
                1.55
             |               
            
                1.51
             |                           
            
                1.55
             | 
            
                1.53
             |                     
            
                1.55
             |                                 
            
                205,310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2019
             | 
            
                +0.03 / +2.01%
             |             
            
                1.45
             |           
            
                1.55
             |               
            
                1.44
             |                           
            
                1.52
             | 
            
                1.51
             |                     
            
                1.52
             |                                 
            
                233,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.53
             |           
            
                1.53
             |               
            
                1.43
             |                           
            
                1.49
             | 
            
                1.47
             |                     
            
                1.49
             |                                 
            
                31,380
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2019
             | 
            
                +0.03 / +2.05%
             |             
            
                1.46
             |           
            
                1.49
             |               
            
                1.41
             |                           
            
                1.49
             | 
            
                1.44
             |                     
            
                1.49
             |                                 
            
                48,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2019
             | 
            
                +0.02 / +1.39%
             |             
            
                1.40
             |           
            
                1.50
             |               
            
                1.40
             |                           
            
                1.46
             | 
            
                1.45
             |                     
            
                1.46
             |                                 
            
                22,750
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2019
             | 
            
                -0.01 / -0.69%
             |             
            
                1.45
             |           
            
                1.45
             |               
            
                1.39
             |                           
            
                1.44
             | 
            
                1.42
             |                     
            
                1.44
             |                                 
            
                30,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2019
             | 
            
                +0.04 / +2.84%
             |             
            
                1.41
             |           
            
                1.46
             |               
            
                1.40
             |                           
            
                1.45
             | 
            
                1.43
             |                     
            
                1.45
             |                                 
            
                38,470
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                1.41
             |           
            
                1.48
             |               
            
                1.38
             |                           
            
                1.41
             | 
            
                1.41
             |                     
            
                1.41
             |                                 
            
                70,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2019
             | 
            
                -0.09 / -6.00%
             |             
            
                1.49
             |           
            
                1.50
             |               
            
                1.41
             |                           
            
                1.41
             | 
            
                1.46
             |                     
            
                1.41
             |                                 
            
                120,680
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2019
             | 
            
                +0.02 / +1.35%
             |             
            
                1.48
             |           
            
                1.51
             |               
            
                1.48
             |                           
            
                1.50
             | 
            
                1.49
             |                     
            
                1.50
             |                                 
            
                48,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2019
             | 
            
                -0.02 / -1.33%
             |             
            
                1.56
             |           
            
                1.56
             |               
            
                1.47
             |                           
            
                1.48
             | 
            
                1.49
             |                     
            
                1.48
             |                                 
            
                117,690
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2019
             | 
            
                -0.04 / -2.60%
             |             
            
                1.55
             |           
            
                1.57
             |               
            
                1.50
             |                           
            
                1.50
             | 
            
                1.52
             |                     
            
                1.50
             |                                 
            
                75,540
             |  
            
                 
             |                                                              
             
    
         
    
    
 |