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            | 
                    Closing price on 11/9/2018
                 |  |  
    
        |           
                
                    | Open | 8.00 |  
                    | High | 8.00 |  
                    | Low | 7.90 |  
                    | Volume | 1,700 |  
                    | Split-adjusted Price | 6.51 |  
                
             | 
 |  AMS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/9/2018 | -0.10 / -1.25% | 8.00 | 8.00 | 7.90 | 7.90 | 7.99 | 6.51 | 1,700 |   |  
            | 11/8/2018 | 0.00 / 0.00% | 7.70 | 8.00 | 7.70 | 8.00 | 7.90 | 6.60 | 300 |   |  			
            | 11/7/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 3,500 |   |  
            | 11/6/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 1,600 |   |  			
            | 11/5/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 2,000 |   |  
            | 11/2/2018 | +0.60 / +7.79% | 8.00 | 8.30 | 7.70 | 8.30 | 8.03 | 6.84 | 1,523,100 |   |  			
            | 11/1/2018 | -0.30 / -3.75% | 8.00 | 8.00 | 7.70 | 7.70 | 7.72 | 6.35 | 5,400 |   |  
            | 10/31/2018 | +0.20 / +2.56% | 7.70 | 8.00 | 7.70 | 8.00 | 7.80 | 6.60 | 9,800 |   |  			
            | 10/30/2018 | -0.20 / -2.50% | 8.00 | 8.00 | 7.80 | 7.80 | 7.81 | 6.43 | 4,800 |   |  
            | 10/29/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 500 |   |  			
            | 10/26/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 300 |   |  
            | 10/25/2018 | 0.00 / 0.00% | 6.80 | 8.00 | 6.80 | 8.00 | 7.77 | 6.60 | 3,300 |   |  			
            | 10/24/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 15,000 |   |  
            | 10/23/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 14,500 |   |  			
            | 10/22/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 8,400 |   |  
            | 10/19/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 0 |   |  			
            | 10/18/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 0 |   |  
            | 10/17/2018 | 0.00 / 0.00% | 8.00 | 8.10 | 8.00 | 8.00 | 8.01 | 6.60 | 14,400 |   |  			
            | 10/16/2018 | 0.00 / 0.00% | 7.90 | 8.00 | 7.90 | 8.00 | 7.98 | 6.60 | 600 |   |  
            | 10/15/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.60 | 300 |   |  			
            | 10/12/2018 | +0.30 / +3.90% | 7.90 | 8.00 | 7.90 | 8.00 | 7.96 | 6.60 | 2,900 |   |  
            | 10/11/2018 | -0.30 / -3.75% | 7.90 | 8.00 | 7.70 | 7.70 | 7.93 | 6.35 | 1,200 |   |  			
            | 10/10/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.35 | 200 |   |  
            | 10/9/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.35 | 200 |   |  			
            | 10/8/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.35 | 200 |   |  
            | 10/5/2018 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.35 | 500 |   |  			
            | 10/4/2018 | -0.20 / -2.44% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 6.35 | 100 |   |  
            | 10/3/2018 | 0.00 / 0.00% | 8.20 | 8.20 | 8.20 | 8.20 | 8.20 | 6.51 | 200 |   |  			
            | 10/2/2018 | 0.00 / 0.00% | 8.10 | 8.20 | 8.10 | 8.20 | 8.17 | 6.51 | 300 |   |  
            | 10/1/2018 | 0.00 / 0.00% | 8.20 | 8.20 | 8.20 | 8.20 | 8.20 | 6.51 | 6,400 |   |  |