| 
                 
                    Closing price on 1/16/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.60 | 
                 
                
                    | High | 
                    2.60 | 
                 
                
                    | Low | 
                    2.60 | 
                     
                
                    | Volume | 
                    560 | 
                                 
                
                    | Split-adjusted Price | 
                    2.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/16/2017
             | 
            
                -0.19 / -6.81%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                2.60
             |                                 
            
                560
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2017
             | 
            
                -0.20 / -6.69%
             |             
            
                2.79
             |           
            
                2.79
             |               
            
                2.79
             |                           
            
                2.79
             | 
            
                2.79
             |                     
            
                2.79
             |                                 
            
                210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2017
             | 
            
                -0.22 / -6.85%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.99
             |                           
            
                2.99
             | 
            
                3.05
             |                     
            
                2.99
             |                                 
            
                26,570
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2017
             | 
            
                -0.24 / -6.96%
             |             
            
                3.21
             |           
            
                3.21
             |               
            
                3.21
             |                           
            
                3.21
             | 
            
                3.21
             |                     
            
                3.21
             |                                 
            
                190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2017
             | 
            
                -0.25 / -6.76%
             |             
            
                3.45
             |           
            
                3.45
             |               
            
                3.45
             |                           
            
                3.45
             | 
            
                3.45
             |                     
            
                3.45
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2017
             | 
            
                -0.27 / -6.80%
             |             
            
                3.70
             |           
            
                3.70
             |               
            
                3.70
             |                           
            
                3.70
             | 
            
                3.70
             |                     
            
                3.70
             |                                 
            
                330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2017
             | 
            
                -0.29 / -6.81%
             |             
            
                3.97
             |           
            
                3.97
             |               
            
                3.97
             |                           
            
                3.97
             | 
            
                3.97
             |                     
            
                3.97
             |                                 
            
                120
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2017
             | 
            
                -0.31 / -6.78%
             |             
            
                4.26
             |           
            
                4.26
             |               
            
                4.26
             |                           
            
                4.26
             | 
            
                4.26
             |                     
            
                4.26
             |                                 
            
                520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2017
             | 
            
                -0.34 / -6.92%
             |             
            
                4.57
             |           
            
                4.57
             |               
            
                4.57
             |                           
            
                4.57
             | 
            
                4.57
             |                     
            
                4.57
             |                                 
            
                198,980
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2017
             | 
            
                -0.36 / -6.83%
             |             
            
                4.91
             |           
            
                4.91
             |               
            
                4.91
             |                           
            
                4.91
             | 
            
                4.91
             |                     
            
                4.91
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2016
             | 
            
                -0.39 / -6.89%
             |             
            
                5.27
             |           
            
                5.27
             |               
            
                5.27
             |                           
            
                5.27
             | 
            
                5.27
             |                     
            
                5.27
             |                                 
            
                1,760
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2016
             | 
            
                -0.42 / -6.91%
             |             
            
                5.66
             |           
            
                5.66
             |               
            
                5.66
             |                           
            
                5.66
             | 
            
                5.66
             |                     
            
                5.66
             |                                 
            
                10,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2016
             | 
            
                -0.45 / -6.89%
             |             
            
                6.08
             |           
            
                6.08
             |               
            
                6.08
             |                           
            
                6.08
             | 
            
                6.08
             |                     
            
                6.08
             |                                 
            
                1,050
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2016
             | 
            
                -0.49 / -6.98%
             |             
            
                6.53
             |           
            
                6.53
             |               
            
                6.53
             |                           
            
                6.53
             | 
            
                6.53
             |                     
            
                6.53
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2016
             | 
            
                -0.52 / -6.90%
             |             
            
                7.02
             |           
            
                7.02
             |               
            
                7.02
             |                           
            
                7.02
             | 
            
                7.02
             |                     
            
                7.02
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2016
             | 
            
                -0.56 / -6.91%
             |             
            
                7.54
             |           
            
                7.54
             |               
            
                7.54
             |                           
            
                7.54
             | 
            
                7.54
             |                     
            
                7.54
             |                                 
            
                910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2016
             | 
            
                -0.60 / -6.90%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                8.10
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2016
             | 
            
                -0.65 / -6.95%
             |             
            
                8.70
             |           
            
                9.30
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.99
             |                     
            
                8.70
             |                                 
            
                13,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2016
             | 
            
                -0.70 / -6.97%
             |             
            
                9.35
             |           
            
                9.35
             |               
            
                9.35
             |                           
            
                9.35
             | 
            
                9.35
             |                     
            
                9.35
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2016
             | 
            
                -0.75 / -6.94%
             |             
            
                10.05
             |           
            
                10.05
             |               
            
                10.05
             |                           
            
                10.05
             | 
            
                10.05
             |                     
            
                10.05
             |                                 
            
                3,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2016
             | 
            
                -0.80 / -6.90%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                10.80
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2016
             | 
            
                -0.85 / -6.83%
             |             
            
                12.45
             |           
            
                12.50
             |               
            
                11.60
             |                           
            
                11.60
             | 
            
                12.39
             |                     
            
                11.60
             |                                 
            
                115,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2016
             | 
            
                -0.30 / -2.35%
             |             
            
                12.75
             |           
            
                12.75
             |               
            
                11.90
             |                           
            
                12.45
             | 
            
                12.67
             |                     
            
                12.45
             |                                 
            
                408,480
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2016
             | 
            
                -0.10 / -0.78%
             |             
            
                12.85
             |           
            
                12.85
             |               
            
                12.70
             |                           
            
                12.75
             | 
            
                12.76
             |                     
            
                12.75
             |                                 
            
                195,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2016
             | 
            
                -0.10 / -0.77%
             |             
            
                12.95
             |           
            
                13.10
             |               
            
                12.60
             |                           
            
                12.85
             | 
            
                12.83
             |                     
            
                12.85
             |                                 
            
                360,520
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2016
             | 
            
                -0.05 / -0.38%
             |             
            
                13.00
             |           
            
                13.10
             |               
            
                12.80
             |                           
            
                12.95
             | 
            
                12.94
             |                     
            
                12.95
             |                                 
            
                174,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2016
             | 
            
                -0.30 / -2.26%
             |             
            
                13.20
             |           
            
                13.40
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.10
             |                     
            
                13.00
             |                                 
            
                184,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2016
             | 
            
                +0.55 / +4.31%
             |             
            
                12.70
             |           
            
                13.30
             |               
            
                12.60
             |                           
            
                13.30
             | 
            
                13.04
             |                     
            
                13.30
             |                                 
            
                242,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2016
             | 
            
                -0.05 / -0.39%
             |             
            
                12.80
             |           
            
                13.20
             |               
            
                12.70
             |                           
            
                12.75
             | 
            
                12.81
             |                     
            
                12.75
             |                                 
            
                444,410
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2016
             | 
            
                -0.30 / -2.29%
             |             
            
                13.10
             |           
            
                13.10
             |               
            
                12.70
             |                           
            
                12.80
             | 
            
                12.94
             |                     
            
                12.80
             |                                 
            
                231,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |