| 
                 
                    Closing price on 10/27/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.90 | 
                 
                
                    | High | 
                    8.90 | 
                 
                
                    | Low | 
                    8.90 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    7.06 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AMS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/27/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                7.06
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2017
             | 
            
                +0.20 / +2.30%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                7.06
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2017
             | 
            
                +0.30 / +3.57%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.75
             |                     
            
                6.91
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                6.67
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                6.67
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2017
             | 
            
                +0.10 / +1.20%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.40
             |                     
            
                6.67
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.44
             |                     
            
                6.59
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2017
             | 
            
                -0.60 / -6.74%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.42
             |                     
            
                6.59
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2017
             | 
            
                +0.10 / +1.14%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.87
             |                     
            
                7.06
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.88
             |                     
            
                6.98
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2017
             | 
            
                +0.50 / +6.02%
             |             
            
                8.80
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.81
             |                     
            
                6.98
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2017
             | 
            
                -0.50 / -5.68%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.37
             |                     
            
                6.59
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.80
             |               
            
                8.40
             |                           
            
                8.80
             | 
            
                8.75
             |                     
            
                6.98
             |                                 
            
                11,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                6.98
             |                                 
            
                11,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                6.98
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2017
             | 
            
                -0.20 / -2.25%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.80
             |                     
            
                6.91
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                7.06
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2017
             | 
            
                +0.20 / +2.30%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                7.06
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2017
             | 
            
                -0.20 / -2.25%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.88
             |                     
            
                6.91
             |                                 
            
                11,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                7.06
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2017
             | 
            
                +0.30 / +3.45%
             |             
            
                8.90
             |           
            
                9.00
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                8.92
             |                     
            
                7.14
             |                                 
            
                18,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                6.91
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                6.91
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2017
             | 
            
                +0.10 / +1.16%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                6.91
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2017
             | 
            
                -0.40 / -4.44%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                6.83
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                7.14
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2017
             | 
            
                +0.30 / +3.45%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                7.14
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                6.91
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                6.91
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2017
             | 
            
                -0.40 / -4.40%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.69
             |                     
            
                6.91
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |