| 
                 
                    Closing price on 5/23/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    1.97 | 
                 
                
                    | High | 
                    1.97 | 
                 
                
                    | Low | 
                    1.84 | 
                     
                
                    | Volume | 
                    133,810 | 
                                 
                
                    | Split-adjusted Price | 
                    1.84 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/23/2018
             | 
            
                -0.13 / -6.60%
             |             
            
                1.97
             |           
            
                1.97
             |               
            
                1.84
             |                           
            
                1.84
             | 
            
                1.85
             |                     
            
                1.84
             |                                 
            
                133,810
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2018
             | 
            
                -0.01 / -0.51%
             |             
            
                1.98
             |           
            
                1.98
             |               
            
                1.88
             |                           
            
                1.97
             | 
            
                1.90
             |                     
            
                1.97
             |                                 
            
                43,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.98
             |           
            
                1.98
             |               
            
                1.96
             |                           
            
                1.98
             | 
            
                1.97
             |                     
            
                1.98
             |                                 
            
                47,820
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2018
             | 
            
                +0.03 / +1.54%
             |             
            
                1.99
             |           
            
                1.99
             |               
            
                1.94
             |                           
            
                1.98
             | 
            
                1.98
             |                     
            
                1.98
             |                                 
            
                12,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2018
             | 
            
                0.00 / 0.00%
             |             
            
                1.95
             |           
            
                2.00
             |               
            
                1.95
             |                           
            
                1.95
             | 
            
                1.99
             |                     
            
                1.95
             |                                 
            
                87,530
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2018
             | 
            
                +0.04 / +2.09%
             |             
            
                1.91
             |           
            
                1.95
             |               
            
                1.91
             |                           
            
                1.95
             | 
            
                1.93
             |                     
            
                1.95
             |                                 
            
                20,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2018
             | 
            
                -0.04 / -2.05%
             |             
            
                1.95
             |           
            
                1.97
             |               
            
                1.90
             |                           
            
                1.91
             | 
            
                1.93
             |                     
            
                1.91
             |                                 
            
                10,730
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.00
             |           
            
                2.00
             |               
            
                1.86
             |                           
            
                1.95
             | 
            
                1.91
             |                     
            
                1.95
             |                                 
            
                44,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2018
             | 
            
                -0.08 / -3.94%
             |             
            
                1.92
             |           
            
                2.02
             |               
            
                1.90
             |                           
            
                1.95
             | 
            
                1.92
             |                     
            
                1.95
             |                                 
            
                26,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2018
             | 
            
                +0.03 / +1.50%
             |             
            
                2.00
             |           
            
                2.04
             |               
            
                1.96
             |                           
            
                2.03
             | 
            
                2.02
             |                     
            
                2.03
             |                                 
            
                25,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.00
             |           
            
                2.05
             |               
            
                1.86
             |                           
            
                2.00
             | 
            
                1.88
             |                     
            
                2.00
             |                                 
            
                341,190
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2018
             | 
            
                +0.05 / +2.56%
             |             
            
                1.98
             |           
            
                2.08
             |               
            
                1.90
             |                           
            
                2.00
             | 
            
                1.99
             |                     
            
                2.00
             |                                 
            
                36,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2018
             | 
            
                -0.14 / -6.70%
             |             
            
                2.07
             |           
            
                2.08
             |               
            
                1.95
             |                           
            
                1.95
             | 
            
                1.96
             |                     
            
                1.95
             |                                 
            
                27,060
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2018
             | 
            
                +0.01 / +0.48%
             |             
            
                2.05
             |           
            
                2.15
             |               
            
                2.05
             |                           
            
                2.09
             | 
            
                2.09
             |                     
            
                2.09
             |                                 
            
                3,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2018
             | 
            
                -0.15 / -6.73%
             |             
            
                2.09
             |           
            
                2.23
             |               
            
                2.08
             |                           
            
                2.08
             | 
            
                2.09
             |                     
            
                2.08
             |                                 
            
                103,210
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2018
             | 
            
                +0.01 / +0.45%
             |             
            
                2.20
             |           
            
                2.27
             |               
            
                2.10
             |                           
            
                2.23
             | 
            
                2.21
             |                     
            
                2.23
             |                                 
            
                30,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2018
             | 
            
                +0.07 / +3.26%
             |             
            
                2.20
             |           
            
                2.22
             |               
            
                2.00
             |                           
            
                2.22
             | 
            
                2.04
             |                     
            
                2.22
             |                                 
            
                26,930
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2018
             | 
            
                -0.02 / -0.92%
             |             
            
                2.17
             |           
            
                2.29
             |               
            
                2.15
             |                           
            
                2.15
             | 
            
                2.18
             |                     
            
                2.15
             |                                 
            
                7,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2018
             | 
            
                -0.12 / -5.24%
             |             
            
                2.17
             |           
            
                2.17
             |               
            
                2.17
             |                           
            
                2.17
             | 
            
                2.17
             |                     
            
                2.17
             |                                 
            
                3,810
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.20
             |           
            
                2.29
             |               
            
                2.20
             |                           
            
                2.29
             | 
            
                2.25
             |                     
            
                2.29
             |                                 
            
                1,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2018
             | 
            
                +0.03 / +1.33%
             |             
            
                2.25
             |           
            
                2.29
             |               
            
                2.22
             |                           
            
                2.29
             | 
            
                2.25
             |                     
            
                2.29
             |                                 
            
                17,310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2018
             | 
            
                -0.07 / -3.00%
             |             
            
                2.30
             |           
            
                2.33
             |               
            
                2.24
             |                           
            
                2.26
             | 
            
                2.25
             |                     
            
                2.26
             |                                 
            
                52,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2018
             | 
            
                +0.03 / +1.30%
             |             
            
                2.30
             |           
            
                2.34
             |               
            
                2.28
             |                           
            
                2.33
             | 
            
                2.32
             |                     
            
                2.33
             |                                 
            
                18,140
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2018
             | 
            
                -0.01 / -0.43%
             |             
            
                2.35
             |           
            
                2.35
             |               
            
                2.30
             |                           
            
                2.30
             | 
            
                2.33
             |                     
            
                2.30
             |                                 
            
                17,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2018
             | 
            
                +0.01 / +0.43%
             |             
            
                2.30
             |           
            
                2.32
             |               
            
                2.30
             |                           
            
                2.31
             | 
            
                2.31
             |                     
            
                2.31
             |                                 
            
                118,350
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                2.34
             |           
            
                2.34
             |               
            
                2.26
             |                           
            
                2.30
             | 
            
                2.30
             |                     
            
                2.30
             |                                 
            
                10,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2018
             | 
            
                +0.03 / +1.32%
             |             
            
                2.28
             |           
            
                2.30
             |               
            
                2.23
             |                           
            
                2.30
             | 
            
                2.28
             |                     
            
                2.30
             |                                 
            
                10,810
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2018
             | 
            
                -0.06 / -2.58%
             |             
            
                2.30
             |           
            
                2.30
             |               
            
                2.25
             |                           
            
                2.27
             | 
            
                2.27
             |                     
            
                2.27
             |                                 
            
                38,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2018
             | 
            
                -0.04 / -1.69%
             |             
            
                2.37
             |           
            
                2.37
             |               
            
                2.32
             |                           
            
                2.33
             | 
            
                2.35
             |                     
            
                2.33
             |                                 
            
                12,570
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2018
             | 
            
                +0.02 / +0.85%
             |             
            
                2.30
             |           
            
                2.37
             |               
            
                2.30
             |                           
            
                2.37
             | 
            
                2.31
             |                     
            
                2.37
             |                                 
            
                32,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |