| 
                 
                    Closing price on 12/5/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.00 | 
                 
                
                    | High | 
                    3.05 | 
                 
                
                    | Low | 
                    2.95 | 
                     
                
                    | Volume | 
                    92,330 | 
                                 
                
                    | Split-adjusted Price | 
                    2.99 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2017
             | 
            
                +0.08 / +2.76%
             |             
            
                2.90
             |           
            
                2.98
             |               
            
                2.89
             |                           
            
                2.98
             | 
            
                2.90
             |                     
            
                2.98
             |                                 
            
                59,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2017
             | 
            
                -0.04 / -1.36%
             |             
            
                2.94
             |           
            
                2.94
             |               
            
                2.89
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                71,430
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2017
             | 
            
                -0.04 / -1.34%
             |             
            
                2.92
             |           
            
                2.94
             |               
            
                2.89
             |                           
            
                2.94
             | 
            
                2.90
             |                     
            
                2.94
             |                                 
            
                89,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2017
             | 
            
                +0.02 / +0.68%
             |             
            
                2.96
             |           
            
                2.98
             |               
            
                2.91
             |                           
            
                2.98
             | 
            
                2.94
             |                     
            
                2.98
             |                                 
            
                81,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2017
             | 
            
                +0.02 / +0.68%
             |             
            
                2.94
             |           
            
                2.99
             |               
            
                2.94
             |                           
            
                2.96
             | 
            
                2.95
             |                     
            
                2.96
             |                                 
            
                29,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2017
             | 
            
                -0.02 / -0.68%
             |             
            
                3.05
             |           
            
                3.13
             |               
            
                2.93
             |                           
            
                2.94
             | 
            
                3.03
             |                     
            
                2.94
             |                                 
            
                30,720
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2017
             | 
            
                +0.16 / +5.71%
             |             
            
                2.80
             |           
            
                2.98
             |               
            
                2.80
             |                           
            
                2.96
             | 
            
                2.87
             |                     
            
                2.96
             |                                 
            
                110,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.77
             |                     
            
                2.80
             |                                 
            
                104,050
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2017
             | 
            
                -0.06 / -2.10%
             |             
            
                2.68
             |           
            
                2.86
             |               
            
                2.68
             |                           
            
                2.80
             | 
            
                2.81
             |                     
            
                2.80
             |                                 
            
                102,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2017
             | 
            
                -0.15 / -4.98%
             |             
            
                3.04
             |           
            
                3.04
             |               
            
                2.86
             |                           
            
                2.86
             | 
            
                2.95
             |                     
            
                2.86
             |                                 
            
                55,570
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2017
             | 
            
                -0.07 / -2.27%
             |             
            
                3.05
             |           
            
                3.08
             |               
            
                3.00
             |                           
            
                3.01
             | 
            
                3.01
             |                     
            
                3.01
             |                                 
            
                46,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2017
             | 
            
                +0.04 / +1.32%
             |             
            
                3.05
             |           
            
                3.20
             |               
            
                3.04
             |                           
            
                3.08
             | 
            
                3.07
             |                     
            
                3.08
             |                                 
            
                81,650
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2017
             | 
            
                +0.02 / +0.66%
             |             
            
                3.02
             |           
            
                3.07
             |               
            
                3.00
             |                           
            
                3.04
             | 
            
                3.03
             |                     
            
                3.04
             |                                 
            
                65,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2017
             | 
            
                +0.01 / +0.33%
             |             
            
                3.01
             |           
            
                3.03
             |               
            
                3.00
             |                           
            
                3.02
             | 
            
                3.01
             |                     
            
                3.02
             |                                 
            
                129,960
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2017
             | 
            
                +0.02 / +0.67%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.01
             | 
            
                3.01
             |                     
            
                3.01
             |                                 
            
                51,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                2.99
             |           
            
                2.99
             |               
            
                2.92
             |                           
            
                2.99
             | 
            
                2.96
             |                     
            
                2.99
             |                                 
            
                115,410
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2017
             | 
            
                -0.20 / -6.27%
             |             
            
                3.00
             |           
            
                3.28
             |               
            
                2.97
             |                           
            
                2.99
             | 
            
                2.99
             |                     
            
                2.99
             |                                 
            
                400,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2017
             | 
            
                -0.24 / -7.00%
             |             
            
                3.43
             |           
            
                3.45
             |               
            
                3.19
             |                           
            
                3.19
             | 
            
                3.24
             |                     
            
                3.19
             |                                 
            
                398,150
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2017
             | 
            
                -0.07 / -2.00%
             |             
            
                3.55
             |           
            
                3.55
             |               
            
                3.37
             |                           
            
                3.43
             | 
            
                3.42
             |                     
            
                3.43
             |                                 
            
                69,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2017
             | 
            
                0.00 / 0.00%
             |             
            
                3.55
             |           
            
                3.60
             |               
            
                3.49
             |                           
            
                3.50
             | 
            
                3.52
             |                     
            
                3.50
             |                                 
            
                174,410
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2017
             | 
            
                -0.04 / -1.13%
             |             
            
                3.32
             |           
            
                3.59
             |               
            
                3.32
             |                           
            
                3.50
             | 
            
                3.51
             |                     
            
                3.50
             |                                 
            
                94,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2017
             | 
            
                -0.05 / -1.39%
             |             
            
                3.60
             |           
            
                3.68
             |               
            
                3.40
             |                           
            
                3.54
             | 
            
                3.50
             |                     
            
                3.54
             |                                 
            
                63,710
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2017
             | 
            
                +0.02 / +0.56%
             |             
            
                3.65
             |           
            
                3.66
             |               
            
                3.51
             |                           
            
                3.59
             | 
            
                3.64
             |                     
            
                3.59
             |                                 
            
                52,990
             |  
            
                 
             |                                                              
             
    
         
    
    
 |