| 
                 
                    Closing price on 1/8/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.90 | 
                 
                
                    | High | 
                    3.00 | 
                 
                
                    | Low | 
                    2.89 | 
                     
                
                    | Volume | 
                    141,210 | 
                                 
                
                    | Split-adjusted Price | 
                    2.94 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/8/2018
             | 
            
                +0.12 / +4.26%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.89
             |                           
            
                2.94
             | 
            
                2.94
             |                     
            
                2.94
             |                                 
            
                141,210
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2018
             | 
            
                -0.07 / -2.42%
             |             
            
                2.89
             |           
            
                2.89
             |               
            
                2.82
             |                           
            
                2.82
             | 
            
                2.86
             |                     
            
                2.82
             |                                 
            
                43,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2018
             | 
            
                +0.07 / +2.48%
             |             
            
                2.84
             |           
            
                2.90
             |               
            
                2.83
             |                           
            
                2.89
             | 
            
                2.87
             |                     
            
                2.89
             |                                 
            
                91,920
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2018
             | 
            
                -0.05 / -1.74%
             |             
            
                2.89
             |           
            
                2.89
             |               
            
                2.82
             |                           
            
                2.82
             | 
            
                2.86
             |                     
            
                2.82
             |                                 
            
                149,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/2/2018
             | 
            
                -0.03 / -1.03%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.86
             |                           
            
                2.87
             | 
            
                2.88
             |                     
            
                2.87
             |                                 
            
                19,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.92
             |           
            
                2.92
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.84
             |                     
            
                2.90
             |                                 
            
                61,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2017
             | 
            
                +0.04 / +1.40%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.86
             |                           
            
                2.90
             | 
            
                2.87
             |                     
            
                2.90
             |                                 
            
                55,740
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2017
             | 
            
                -0.05 / -1.72%
             |             
            
                2.90
             |           
            
                2.91
             |               
            
                2.86
             |                           
            
                2.86
             | 
            
                2.89
             |                     
            
                2.86
             |                                 
            
                63,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2017
             | 
            
                +0.01 / +0.34%
             |             
            
                2.95
             |           
            
                2.95
             |               
            
                2.86
             |                           
            
                2.91
             | 
            
                2.88
             |                     
            
                2.91
             |                                 
            
                118,840
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.93
             |               
            
                2.86
             |                           
            
                2.90
             | 
            
                2.89
             |                     
            
                2.90
             |                                 
            
                26,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2017
             | 
            
                -0.04 / -1.36%
             |             
            
                2.94
             |           
            
                2.97
             |               
            
                2.88
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                58,580
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2017
             | 
            
                +0.02 / +0.68%
             |             
            
                2.88
             |           
            
                2.95
             |               
            
                2.88
             |                           
            
                2.94
             | 
            
                2.88
             |                     
            
                2.94
             |                                 
            
                63,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2017
             | 
            
                -0.04 / -1.35%
             |             
            
                2.99
             |           
            
                2.99
             |               
            
                2.87
             |                           
            
                2.92
             | 
            
                2.91
             |                     
            
                2.92
             |                                 
            
                64,870
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2017
             | 
            
                +0.03 / +1.02%
             |             
            
                3.10
             |           
            
                3.11
             |               
            
                2.93
             |                           
            
                2.96
             | 
            
                3.08
             |                     
            
                2.96
             |                                 
            
                171,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.98
             |           
            
                2.98
             |               
            
                2.91
             |                           
            
                2.93
             | 
            
                2.94
             |                     
            
                2.93
             |                                 
            
                29,230
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2017
             | 
            
                +0.02 / +0.69%
             |             
            
                2.91
             |           
            
                3.05
             |               
            
                2.85
             |                           
            
                2.93
             | 
            
                2.97
             |                     
            
                2.93
             |                                 
            
                69,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2017
             | 
            
                -0.03 / -1.02%
             |             
            
                2.93
             |           
            
                2.94
             |               
            
                2.80
             |                           
            
                2.91
             | 
            
                2.86
             |                     
            
                2.91
             |                                 
            
                58,820
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2017
             | 
            
                +0.04 / +1.38%
             |             
            
                2.85
             |           
            
                2.94
             |               
            
                2.80
             |                           
            
                2.94
             | 
            
                2.86
             |                     
            
                2.94
             |                                 
            
                60,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.77
             |           
            
                2.93
             |               
            
                2.77
             |                           
            
                2.90
             | 
            
                2.83
             |                     
            
                2.90
             |                                 
            
                56,270
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2017
             | 
            
                -0.10 / -3.33%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.94
             |                     
            
                2.90
             |                                 
            
                32,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                3.02
             |           
            
                3.02
             |               
            
                2.92
             |                           
            
                3.00
             | 
            
                2.97
             |                     
            
                3.00
             |                                 
            
                122,710
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                3.01
             |           
            
                3.03
             |               
            
                2.91
             |                           
            
                3.00
             | 
            
                2.99
             |                     
            
                3.00
             |                                 
            
                34,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2017
             | 
            
                +0.01 / +0.33%
             |             
            
                3.02
             |           
            
                3.09
             |               
            
                2.79
             |                           
            
                3.00
             | 
            
                2.82
             |                     
            
                3.00
             |                                 
            
                220,550
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2017
             | 
            
                -0.01 / -0.33%
             |             
            
                3.00
             |           
            
                3.05
             |               
            
                2.95
             |                           
            
                2.99
             | 
            
                2.97
             |                     
            
                2.99
             |                                 
            
                92,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2017
             | 
            
                -0.14 / -4.46%
             |             
            
                3.14
             |           
            
                3.14
             |               
            
                2.93
             |                           
            
                3.00
             | 
            
                2.94
             |                     
            
                3.00
             |                                 
            
                633,970
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2017
             | 
            
                -0.13 / -3.98%
             |             
            
                3.27
             |           
            
                3.27
             |               
            
                3.10
             |                           
            
                3.14
             | 
            
                3.14
             |                     
            
                3.14
             |                                 
            
                25,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2017
             | 
            
                -0.01 / -0.30%
             |             
            
                3.28
             |           
            
                3.32
             |               
            
                3.26
             |                           
            
                3.27
             | 
            
                3.30
             |                     
            
                3.27
             |                                 
            
                337,580
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2017
             | 
            
                +0.19 / +6.15%
             |             
            
                3.09
             |           
            
                3.30
             |               
            
                3.09
             |                           
            
                3.28
             | 
            
                3.17
             |                     
            
                3.28
             |                                 
            
                99,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2017
             | 
            
                -0.07 / -2.22%
             |             
            
                3.16
             |           
            
                3.16
             |               
            
                3.00
             |                           
            
                3.09
             | 
            
                3.05
             |                     
            
                3.09
             |                                 
            
                230,990
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2017
             | 
            
                +0.18 / +6.04%
             |             
            
                3.00
             |           
            
                3.17
             |               
            
                3.00
             |                           
            
                3.16
             | 
            
                3.11
             |                     
            
                3.16
             |                                 
            
                284,790
             |  
            
                 
             |                                                              
             
    
         
    
    
 |