| 
                 
                    Closing price on 9/27/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.00 | 
                 
                
                    | High | 
                    4.07 | 
                 
                
                    | Low | 
                    3.98 | 
                     
                
                    | Volume | 
                    97,660 | 
                                 
                
                    | Split-adjusted Price | 
                    4.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/27/2017
             | 
            
                +0.02 / +0.50%
             |             
            
                4.00
             |           
            
                4.07
             |               
            
                3.98
             |                           
            
                4.00
             | 
            
                3.99
             |                     
            
                4.00
             |                                 
            
                97,660
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2017
             | 
            
                -0.09 / -2.21%
             |             
            
                4.07
             |           
            
                4.10
             |               
            
                3.92
             |                           
            
                3.98
             | 
            
                4.00
             |                     
            
                3.98
             |                                 
            
                220,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2017
             | 
            
                +0.07 / +1.75%
             |             
            
                4.14
             |           
            
                4.14
             |               
            
                4.00
             |                           
            
                4.07
             | 
            
                4.04
             |                     
            
                4.07
             |                                 
            
                139,420
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2017
             | 
            
                -0.08 / -1.96%
             |             
            
                4.08
             |           
            
                4.08
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                3.98
             |                     
            
                4.00
             |                                 
            
                191,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2017
             | 
            
                -0.13 / -3.09%
             |             
            
                4.07
             |           
            
                4.18
             |               
            
                3.99
             |                           
            
                4.08
             | 
            
                4.03
             |                     
            
                4.08
             |                                 
            
                334,590
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2017
             | 
            
                -0.09 / -2.09%
             |             
            
                4.15
             |           
            
                4.21
             |               
            
                4.11
             |                           
            
                4.21
             | 
            
                4.16
             |                     
            
                4.21
             |                                 
            
                222,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2017
             | 
            
                -0.02 / -0.46%
             |             
            
                4.35
             |           
            
                4.38
             |               
            
                4.11
             |                           
            
                4.30
             | 
            
                4.26
             |                     
            
                4.30
             |                                 
            
                387,120
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2017
             | 
            
                +0.11 / +2.61%
             |             
            
                4.37
             |           
            
                4.40
             |               
            
                4.25
             |                           
            
                4.32
             | 
            
                4.32
             |                     
            
                4.32
             |                                 
            
                313,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2017
             | 
            
                +0.27 / +6.85%
             |             
            
                3.91
             |           
            
                4.21
             |               
            
                3.91
             |                           
            
                4.21
             | 
            
                4.18
             |                     
            
                4.21
             |                                 
            
                899,430
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2017
             | 
            
                +0.09 / +2.34%
             |             
            
                3.84
             |           
            
                3.95
             |               
            
                3.83
             |                           
            
                3.94
             | 
            
                3.93
             |                     
            
                3.94
             |                                 
            
                281,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2017
             | 
            
                +0.03 / +0.79%
             |             
            
                3.89
             |           
            
                3.90
             |               
            
                3.79
             |                           
            
                3.85
             | 
            
                3.82
             |                     
            
                3.85
             |                                 
            
                144,580
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2017
             | 
            
                +0.03 / +0.79%
             |             
            
                3.75
             |           
            
                3.84
             |               
            
                3.75
             |                           
            
                3.82
             | 
            
                3.80
             |                     
            
                3.82
             |                                 
            
                157,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2017
             | 
            
                -0.01 / -0.26%
             |             
            
                3.80
             |           
            
                3.85
             |               
            
                3.70
             |                           
            
                3.79
             | 
            
                3.79
             |                     
            
                3.79
             |                                 
            
                173,850
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2017
             | 
            
                -0.10 / -2.56%
             |             
            
                3.88
             |           
            
                3.90
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                3.84
             |                     
            
                3.80
             |                                 
            
                273,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2017
             | 
            
                -0.01 / -0.26%
             |             
            
                3.90
             |           
            
                3.93
             |               
            
                3.89
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                3.90
             |                                 
            
                80,510
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2017
             | 
            
                +0.05 / +1.30%
             |             
            
                3.95
             |           
            
                3.95
             |               
            
                3.86
             |                           
            
                3.91
             | 
            
                3.89
             |                     
            
                3.91
             |                                 
            
                105,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2017
             | 
            
                -0.09 / -2.28%
             |             
            
                3.95
             |           
            
                3.96
             |               
            
                3.86
             |                           
            
                3.86
             | 
            
                3.90
             |                     
            
                3.86
             |                                 
            
                162,480
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2017
             | 
            
                +0.09 / +2.33%
             |             
            
                3.95
             |           
            
                3.99
             |               
            
                3.87
             |                           
            
                3.95
             | 
            
                3.93
             |                     
            
                3.95
             |                                 
            
                163,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2017
             | 
            
                -0.06 / -1.53%
             |             
            
                3.85
             |           
            
                3.92
             |               
            
                3.83
             |                           
            
                3.86
             | 
            
                3.86
             |                     
            
                3.86
             |                                 
            
                176,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2017
             | 
            
                -0.06 / -1.51%
             |             
            
                3.98
             |           
            
                3.98
             |               
            
                3.84
             |                           
            
                3.92
             | 
            
                3.89
             |                     
            
                3.92
             |                                 
            
                416,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2017
             | 
            
                -0.05 / -1.24%
             |             
            
                4.03
             |           
            
                4.06
             |               
            
                3.96
             |                           
            
                3.98
             | 
            
                3.99
             |                     
            
                3.98
             |                                 
            
                243,980
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2017
             | 
            
                -0.06 / -1.47%
             |             
            
                4.28
             |           
            
                4.28
             |               
            
                4.00
             |                           
            
                4.03
             | 
            
                4.08
             |                     
            
                4.03
             |                                 
            
                220,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2017
             | 
            
                +0.26 / +6.79%
             |             
            
                3.65
             |           
            
                4.09
             |               
            
                3.65
             |                           
            
                4.09
             | 
            
                3.89
             |                     
            
                4.09
             |                                 
            
                481,630
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2017
             | 
            
                -0.28 / -6.81%
             |             
            
                4.00
             |           
            
                4.19
             |               
            
                3.83
             |                           
            
                3.83
             | 
            
                3.90
             |                     
            
                3.83
             |                                 
            
                951,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2017
             | 
            
                -0.19 / -4.42%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.09
             |                           
            
                4.11
             | 
            
                4.14
             |                     
            
                4.11
             |                                 
            
                364,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2017
             | 
            
                -0.14 / -3.15%
             |             
            
                4.44
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.37
             |                     
            
                4.30
             |                                 
            
                389,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2017
             | 
            
                +0.29 / +6.99%
             |             
            
                4.15
             |           
            
                4.44
             |               
            
                4.15
             |                           
            
                4.44
             | 
            
                4.43
             |                     
            
                4.44
             |                                 
            
                773,430
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2017
             | 
            
                -0.13 / -3.04%
             |             
            
                3.99
             |           
            
                4.25
             |               
            
                3.99
             |                           
            
                4.15
             | 
            
                4.02
             |                     
            
                4.15
             |                                 
            
                959,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2017
             | 
            
                -0.32 / -6.96%
             |             
            
                4.50
             |           
            
                4.51
             |               
            
                4.28
             |                           
            
                4.28
             | 
            
                4.33
             |                     
            
                4.28
             |                                 
            
                438,780
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2017
             | 
            
                +0.03 / +0.66%
             |             
            
                4.87
             |           
            
                4.88
             |               
            
                4.57
             |                           
            
                4.60
             | 
            
                4.74
             |                     
            
                4.60
             |                                 
            
                1,036,620
             |  
            
                 
             |                                                              
             
    
         
    
    
 |