| 
                 
                    Closing price on 6/29/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    1.84 | 
                 
                
                    | High | 
                    1.97 | 
                 
                
                    | Low | 
                    1.82 | 
                     
                
                    | Volume | 
                    243,870 | 
                                 
                
                    | Split-adjusted Price | 
                    1.82 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/29/2018
             | 
            
                -0.13 / -6.67%
             |             
            
                1.84
             |           
            
                1.97
             |               
            
                1.82
             |                           
            
                1.82
             | 
            
                1.84
             |                     
            
                1.82
             |                                 
            
                243,870
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2018
             | 
            
                -0.05 / -2.50%
             |             
            
                1.92
             |           
            
                2.09
             |               
            
                1.86
             |                           
            
                1.95
             | 
            
                1.90
             |                     
            
                1.95
             |                                 
            
                94,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2018
             | 
            
                +0.13 / +6.95%
             |             
            
                1.87
             |           
            
                2.00
             |               
            
                1.86
             |                           
            
                2.00
             | 
            
                1.96
             |                     
            
                2.00
             |                                 
            
                156,360
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2018
             | 
            
                +0.11 / +6.25%
             |             
            
                1.82
             |           
            
                1.88
             |               
            
                1.76
             |                           
            
                1.87
             | 
            
                1.85
             |                     
            
                1.87
             |                                 
            
                385,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2018
             | 
            
                +0.11 / +6.67%
             |             
            
                1.62
             |           
            
                1.76
             |               
            
                1.60
             |                           
            
                1.76
             | 
            
                1.75
             |                     
            
                1.76
             |                                 
            
                135,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2018
             | 
            
                -0.05 / -2.94%
             |             
            
                1.67
             |           
            
                1.74
             |               
            
                1.60
             |                           
            
                1.65
             | 
            
                1.67
             |                     
            
                1.65
             |                                 
            
                22,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2018
             | 
            
                +0.03 / +1.80%
             |             
            
                1.74
             |           
            
                1.74
             |               
            
                1.68
             |                           
            
                1.70
             | 
            
                1.72
             |                     
            
                1.70
             |                                 
            
                6,580
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2018
             | 
            
                -0.10 / -5.65%
             |             
            
                1.74
             |           
            
                1.74
             |               
            
                1.66
             |                           
            
                1.67
             | 
            
                1.67
             |                     
            
                1.67
             |                                 
            
                103,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2018
             | 
            
                +0.02 / +1.14%
             |             
            
                1.75
             |           
            
                1.78
             |               
            
                1.67
             |                           
            
                1.77
             | 
            
                1.70
             |                     
            
                1.77
             |                                 
            
                74,270
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2018
             | 
            
                -0.03 / -1.69%
             |             
            
                1.85
             |           
            
                1.85
             |               
            
                1.74
             |                           
            
                1.75
             | 
            
                1.77
             |                     
            
                1.75
             |                                 
            
                17,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2018
             | 
            
                -0.01 / -0.56%
             |             
            
                1.79
             |           
            
                1.79
             |               
            
                1.73
             |                           
            
                1.78
             | 
            
                1.77
             |                     
            
                1.78
             |                                 
            
                10,410
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2018
             | 
            
                +0.07 / +4.07%
             |             
            
                1.80
             |           
            
                1.80
             |               
            
                1.72
             |                           
            
                1.79
             | 
            
                1.78
             |                     
            
                1.79
             |                                 
            
                2,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2018
             | 
            
                -0.06 / -3.37%
             |             
            
                1.68
             |           
            
                1.80
             |               
            
                1.68
             |                           
            
                1.72
             | 
            
                1.72
             |                     
            
                1.72
             |                                 
            
                41,380
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2018
             | 
            
                -0.04 / -2.20%
             |             
            
                1.79
             |           
            
                1.80
             |               
            
                1.74
             |                           
            
                1.78
             | 
            
                1.77
             |                     
            
                1.78
             |                                 
            
                7,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2018
             | 
            
                +0.02 / +1.11%
             |             
            
                1.80
             |           
            
                1.83
             |               
            
                1.76
             |                           
            
                1.82
             | 
            
                1.80
             |                     
            
                1.82
             |                                 
            
                4,690
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2018
             | 
            
                +0.05 / +2.86%
             |             
            
                1.76
             |           
            
                1.80
             |               
            
                1.75
             |                           
            
                1.80
             | 
            
                1.76
             |                     
            
                1.80
             |                                 
            
                59,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2018
             | 
            
                -0.06 / -3.31%
             |             
            
                1.80
             |           
            
                1.85
             |               
            
                1.70
             |                           
            
                1.75
             | 
            
                1.77
             |                     
            
                1.75
             |                                 
            
                33,310
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2018
             | 
            
                +0.01 / +0.56%
             |             
            
                1.80
             |           
            
                1.85
             |               
            
                1.80
             |                           
            
                1.81
             | 
            
                1.81
             |                     
            
                1.81
             |                                 
            
                19,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2018
             | 
            
                -0.05 / -2.70%
             |             
            
                1.80
             |           
            
                1.85
             |               
            
                1.80
             |                           
            
                1.80
             | 
            
                1.82
             |                     
            
                1.80
             |                                 
            
                31,880
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2018
             | 
            
                -0.01 / -0.54%
             |             
            
                1.86
             |           
            
                1.86
             |               
            
                1.82
             |                           
            
                1.85
             | 
            
                1.84
             |                     
            
                1.85
             |                                 
            
                38,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2018
             | 
            
                +0.09 / +5.08%
             |             
            
                1.79
             |           
            
                1.86
             |               
            
                1.78
             |                           
            
                1.86
             | 
            
                1.80
             |                     
            
                1.86
             |                                 
            
                73,280
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2018
             | 
            
                -0.11 / -5.85%
             |             
            
                1.75
             |           
            
                1.88
             |               
            
                1.75
             |                           
            
                1.77
             | 
            
                1.83
             |                     
            
                1.77
             |                                 
            
                5,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2018
             | 
            
                +0.08 / +4.44%
             |             
            
                1.80
             |           
            
                1.88
             |               
            
                1.68
             |                           
            
                1.88
             | 
            
                1.75
             |                     
            
                1.88
             |                                 
            
                26,820
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2018
             | 
            
                +0.04 / +2.27%
             |             
            
                1.76
             |           
            
                1.82
             |               
            
                1.71
             |                           
            
                1.80
             | 
            
                1.77
             |                     
            
                1.80
             |                                 
            
                4,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2018
             | 
            
                -0.08 / -4.35%
             |             
            
                1.84
             |           
            
                1.84
             |               
            
                1.72
             |                           
            
                1.76
             | 
            
                1.79
             |                     
            
                1.76
             |                                 
            
                54,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2018
             | 
            
                -0.02 / -1.08%
             |             
            
                1.93
             |           
            
                1.93
             |               
            
                1.73
             |                           
            
                1.84
             | 
            
                1.74
             |                     
            
                1.84
             |                                 
            
                159,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2018
             | 
            
                +0.02 / +1.09%
             |             
            
                1.84
             |           
            
                1.96
             |               
            
                1.84
             |                           
            
                1.86
             | 
            
                1.88
             |                     
            
                1.86
             |                                 
            
                19,720
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2018
             | 
            
                -0.13 / -6.60%
             |             
            
                1.97
             |           
            
                1.97
             |               
            
                1.84
             |                           
            
                1.84
             | 
            
                1.85
             |                     
            
                1.84
             |                                 
            
                133,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2018
             | 
            
                -0.01 / -0.51%
             |             
            
                1.98
             |           
            
                1.98
             |               
            
                1.88
             |                           
            
                1.97
             | 
            
                1.90
             |                     
            
                1.97
             |                                 
            
                43,790
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.98
             |           
            
                1.98
             |               
            
                1.96
             |                           
            
                1.98
             | 
            
                1.97
             |                     
            
                1.98
             |                                 
            
                47,820
             |  
            
                 
             |                                                              
             
    
         
    
    
 |