| 
                 
                    Closing price on 4/3/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.32 | 
                 
                
                    | High | 
                    2.39 | 
                 
                
                    | Low | 
                    2.20 | 
                     
                
                    | Volume | 
                    57,530 | 
                                 
                
                    | Split-adjusted Price | 
                    2.38 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/3/2018
             | 
            
                +0.03 / +1.28%
             |             
            
                2.32
             |           
            
                2.39
             |               
            
                2.20
             |                           
            
                2.38
             | 
            
                2.36
             |                     
            
                2.38
             |                                 
            
                57,530
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2018
             | 
            
                +0.10 / +4.44%
             |             
            
                2.29
             |           
            
                2.35
             |               
            
                2.29
             |                           
            
                2.35
             | 
            
                2.30
             |                     
            
                2.35
             |                                 
            
                9,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2018
             | 
            
                -0.15 / -6.25%
             |             
            
                2.40
             |           
            
                2.46
             |               
            
                2.25
             |                           
            
                2.25
             | 
            
                2.30
             |                     
            
                2.25
             |                                 
            
                101,250
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2018
             | 
            
                +0.05 / +2.13%
             |             
            
                2.35
             |           
            
                2.42
             |               
            
                2.35
             |                           
            
                2.40
             | 
            
                2.41
             |                     
            
                2.40
             |                                 
            
                16,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2018
             | 
            
                -0.12 / -4.86%
             |             
            
                2.46
             |           
            
                2.47
             |               
            
                2.35
             |                           
            
                2.35
             | 
            
                2.37
             |                     
            
                2.35
             |                                 
            
                80,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2018
             | 
            
                +0.04 / +1.65%
             |             
            
                2.43
             |           
            
                2.47
             |               
            
                2.40
             |                           
            
                2.47
             | 
            
                2.43
             |                     
            
                2.47
             |                                 
            
                70,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.46
             |           
            
                2.48
             |               
            
                2.43
             |                           
            
                2.43
             | 
            
                2.46
             |                     
            
                2.43
             |                                 
            
                106,660
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2018
             | 
            
                +0.06 / +2.53%
             |             
            
                2.49
             |           
            
                2.49
             |               
            
                2.38
             |                           
            
                2.43
             | 
            
                2.45
             |                     
            
                2.43
             |                                 
            
                54,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2018
             | 
            
                -0.05 / -2.07%
             |             
            
                2.42
             |           
            
                2.42
             |               
            
                2.37
             |                           
            
                2.37
             | 
            
                2.39
             |                     
            
                2.37
             |                                 
            
                36,410
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2018
             | 
            
                -0.02 / -0.82%
             |             
            
                2.48
             |           
            
                2.48
             |               
            
                2.37
             |                           
            
                2.42
             | 
            
                2.40
             |                     
            
                2.42
             |                                 
            
                84,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2018
             | 
            
                +0.01 / +0.41%
             |             
            
                2.40
             |           
            
                2.44
             |               
            
                2.40
             |                           
            
                2.44
             | 
            
                2.42
             |                     
            
                2.44
             |                                 
            
                14,480
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2018
             | 
            
                -0.07 / -2.80%
             |             
            
                2.37
             |           
            
                2.48
             |               
            
                2.37
             |                           
            
                2.43
             | 
            
                2.39
             |                     
            
                2.43
             |                                 
            
                33,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2018
             | 
            
                -0.02 / -0.79%
             |             
            
                2.48
             |           
            
                2.52
             |               
            
                2.42
             |                           
            
                2.50
             | 
            
                2.50
             |                     
            
                2.50
             |                                 
            
                50,070
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2018
             | 
            
                +0.02 / +0.80%
             |             
            
                2.50
             |           
            
                2.52
             |               
            
                2.46
             |                           
            
                2.52
             | 
            
                2.50
             |                     
            
                2.52
             |                                 
            
                87,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2018
             | 
            
                +0.10 / +4.17%
             |             
            
                2.43
             |           
            
                2.56
             |               
            
                2.43
             |                           
            
                2.50
             | 
            
                2.51
             |                     
            
                2.50
             |                                 
            
                143,860
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2018
             | 
            
                -0.08 / -3.23%
             |             
            
                2.32
             |           
            
                2.45
             |               
            
                2.32
             |                           
            
                2.40
             | 
            
                2.36
             |                     
            
                2.40
             |                                 
            
                50,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2018
             | 
            
                +0.08 / +3.33%
             |             
            
                2.40
             |           
            
                2.54
             |               
            
                2.31
             |                           
            
                2.48
             | 
            
                2.38
             |                     
            
                2.48
             |                                 
            
                234,910
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2018
             | 
            
                -0.10 / -4.00%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.42
             |                     
            
                2.40
             |                                 
            
                108,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2018
             | 
            
                -0.14 / -5.30%
             |             
            
                2.60
             |           
            
                2.62
             |               
            
                2.46
             |                           
            
                2.50
             | 
            
                2.47
             |                     
            
                2.50
             |                                 
            
                296,760
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2018
             | 
            
                -0.04 / -1.49%
             |             
            
                2.60
             |           
            
                2.64
             |               
            
                2.51
             |                           
            
                2.64
             | 
            
                2.57
             |                     
            
                2.64
             |                                 
            
                263,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.85
             |           
            
                2.85
             |               
            
                2.50
             |                           
            
                2.68
             | 
            
                2.67
             |                     
            
                2.68
             |                                 
            
                335,520
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2018
             | 
            
                +0.17 / +6.77%
             |             
            
                2.68
             |           
            
                2.68
             |               
            
                2.68
             |                           
            
                2.68
             | 
            
                2.68
             |                     
            
                2.68
             |                                 
            
                174,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2018
             | 
            
                +0.16 / +6.81%
             |             
            
                2.35
             |           
            
                2.51
             |               
            
                2.35
             |                           
            
                2.51
             | 
            
                2.49
             |                     
            
                2.51
             |                                 
            
                479,650
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2018
             | 
            
                -0.05 / -2.08%
             |             
            
                2.40
             |           
            
                2.40
             |               
            
                2.30
             |                           
            
                2.35
             | 
            
                2.31
             |                     
            
                2.35
             |                                 
            
                221,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2018
             | 
            
                -0.04 / -1.64%
             |             
            
                2.45
             |           
            
                2.45
             |               
            
                2.27
             |                           
            
                2.40
             | 
            
                2.28
             |                     
            
                2.40
             |                                 
            
                621,230
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2018
             | 
            
                -0.01 / -0.41%
             |             
            
                2.33
             |           
            
                2.60
             |               
            
                2.28
             |                           
            
                2.44
             | 
            
                2.33
             |                     
            
                2.44
             |                                 
            
                333,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2018
             | 
            
                -0.07 / -2.78%
             |             
            
                2.45
             |           
            
                2.50
             |               
            
                2.43
             |                           
            
                2.45
             | 
            
                2.45
             |                     
            
                2.45
             |                                 
            
                112,390
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2018
             | 
            
                -0.18 / -6.67%
             |             
            
                2.55
             |           
            
                2.66
             |               
            
                2.52
             |                           
            
                2.52
             | 
            
                2.53
             |                     
            
                2.52
             |                                 
            
                377,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2018
             | 
            
                -0.05 / -1.82%
             |             
            
                2.71
             |           
            
                2.71
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.68
             |                     
            
                2.70
             |                                 
            
                65,760
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.75
             |           
            
                2.75
             |               
            
                2.75
             |                           
            
                2.75
             | 
            
                2.75
             |                     
            
                2.75
             |                                 
            
                4,410
             |  
            
                 
             |                                                              
             
    
         
    
    
 |