| 
                 
                    Closing price on 9/28/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.20 | 
                 
                
                    | High | 
                    15.90 | 
                 
                
                    | Low | 
                    15.20 | 
                     
                
                    | Volume | 
                    317,650 | 
                                 
                
                    | Split-adjusted Price | 
                    15.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ATG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/28/2016
             | 
            
                +0.10 / +0.65%
             |             
            
                15.20
             |           
            
                15.90
             |               
            
                15.20
             |                           
            
                15.50
             | 
            
                15.53
             |                     
            
                15.50
             |                                 
            
                317,650
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2016
             | 
            
                +0.20 / +1.32%
             |             
            
                15.00
             |           
            
                15.50
             |               
            
                15.00
             |                           
            
                15.40
             | 
            
                15.25
             |                     
            
                15.40
             |                                 
            
                247,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2016
             | 
            
                -0.10 / -0.65%
             |             
            
                15.20
             |           
            
                16.00
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                15.56
             |                     
            
                15.20
             |                                 
            
                294,820
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2016
             | 
            
                +0.60 / +4.08%
             |             
            
                14.70
             |           
            
                15.30
             |               
            
                14.15
             |                           
            
                15.30
             | 
            
                14.61
             |                     
            
                15.30
             |                                 
            
                326,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2016
             | 
            
                +0.80 / +5.76%
             |             
            
                14.10
             |           
            
                14.75
             |               
            
                13.75
             |                           
            
                14.70
             | 
            
                14.17
             |                     
            
                14.70
             |                                 
            
                326,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2016
             | 
            
                +0.75 / +5.70%
             |             
            
                13.00
             |           
            
                13.90
             |               
            
                12.60
             |                           
            
                13.90
             | 
            
                13.06
             |                     
            
                13.90
             |                                 
            
                253,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2016
             | 
            
                +0.85 / +6.91%
             |             
            
                12.40
             |           
            
                13.15
             |               
            
                12.10
             |                           
            
                13.15
             | 
            
                12.57
             |                     
            
                13.15
             |                                 
            
                278,010
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2016
             | 
            
                -0.10 / -0.81%
             |             
            
                12.30
             |           
            
                12.70
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.51
             |                     
            
                12.30
             |                                 
            
                218,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2016
             | 
            
                -0.10 / -0.80%
             |             
            
                12.60
             |           
            
                13.00
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.56
             |                     
            
                12.40
             |                                 
            
                215,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2016
             | 
            
                -0.05 / -0.40%
             |             
            
                12.55
             |           
            
                12.60
             |               
            
                12.10
             |                           
            
                12.50
             | 
            
                12.40
             |                     
            
                12.50
             |                                 
            
                154,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2016
             | 
            
                +0.05 / +0.40%
             |             
            
                12.50
             |           
            
                12.90
             |               
            
                12.40
             |                           
            
                12.55
             | 
            
                12.58
             |                     
            
                12.55
             |                                 
            
                231,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2016
             | 
            
                0.00 / 0.00%
             |             
            
                11.90
             |           
            
                12.50
             |               
            
                11.90
             |                           
            
                12.50
             | 
            
                12.24
             |                     
            
                12.50
             |                                 
            
                163,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2016
             | 
            
                -0.30 / -2.34%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.30
             |                           
            
                12.50
             | 
            
                12.47
             |                     
            
                12.50
             |                                 
            
                143,360
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2016
             | 
            
                +0.10 / +0.79%
             |             
            
                12.90
             |           
            
                13.30
             |               
            
                12.60
             |                           
            
                12.80
             | 
            
                13.05
             |                     
            
                12.80
             |                                 
            
                90,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2016
             | 
            
                +0.30 / +2.42%
             |             
            
                12.40
             |           
            
                12.80
             |               
            
                12.10
             |                           
            
                12.70
             | 
            
                12.63
             |                     
            
                12.70
             |                                 
            
                54,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2016
             | 
            
                0.00 / 0.00%
             |             
            
                12.40
             |           
            
                12.80
             |               
            
                12.20
             |                           
            
                12.40
             | 
            
                12.53
             |                     
            
                12.40
             |                                 
            
                31,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2016
             | 
            
                +0.20 / +1.64%
             |             
            
                12.30
             |           
            
                12.50
             |               
            
                12.20
             |                           
            
                12.40
             | 
            
                12.41
             |                     
            
                12.40
             |                                 
            
                23,610
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2016
             | 
            
                -0.10 / -0.81%
             |             
            
                12.20
             |           
            
                12.50
             |               
            
                12.10
             |                           
            
                12.20
             | 
            
                12.29
             |                     
            
                12.20
             |                                 
            
                11,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2016
             | 
            
                0.00 / 0.00%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                12.30
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2016
             | 
            
                +0.10 / +0.82%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.10
             |                           
            
                12.30
             | 
            
                12.25
             |                     
            
                12.30
             |                                 
            
                310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2016
             | 
            
                +0.20 / +1.67%
             |             
            
                12.20
             |           
            
                12.20
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                12.20
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2016
             | 
            
                -0.20 / -1.64%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.00
             |                           
            
                12.00
             | 
            
                12.16
             |                     
            
                12.00
             |                                 
            
                2,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2016
             | 
            
                -0.20 / -1.61%
             |             
            
                12.30
             |           
            
                12.30
             |               
            
                12.20
             |                           
            
                12.20
             | 
            
                12.22
             |                     
            
                12.20
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2016
             | 
            
                -0.10 / -0.80%
             |             
            
                12.40
             |           
            
                12.40
             |               
            
                12.40
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                12.40
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2016
             | 
            
                0.00 / 0.00%
             |             
            
                12.50
             |           
            
                12.50
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                12.50
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2016
             | 
            
                +0.10 / +0.81%
             |             
            
                12.40
             |           
            
                12.50
             |               
            
                12.40
             |                           
            
                12.50
             | 
            
                12.40
             |                     
            
                12.50
             |                                 
            
                6,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2016
             | 
            
                +12.40 / +0.00%
             |             
            
                11.50
             |           
            
                12.40
             |               
            
                11.50
             |                           
            
                12.40
             | 
            
                11.95
             |                     
            
                12.40
             |                                 
            
                27,020
             |            
            
                 
             |                                       
         
    
         
    
    
 |