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            | 
                    Closing price on 5/9/2018
                 |  |  
    
        |           
                
                    | Open | 0.80 |  
                    | High | 0.90 |  
                    | Low | 0.80 |  
                    | Volume | 297,400 |  
                    | Split-adjusted Price | 0.90 |  
                
             | 
 |  ACM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/9/2018 | +0.10 / +12.50% | 0.80 | 0.90 | 0.80 | 0.90 | 0.82 | 0.90 | 297,400 |   |  
            | 5/8/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.81 | 0.80 | 191,900 |   |  			
            | 5/7/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.90 | 0.80 | 0.90 | 789,400 |   |  
            | 5/4/2018 | +0.10 / +12.50% | 0.90 | 0.90 | 0.80 | 0.90 | 0.88 | 0.90 | 167,100 |   |  			
            | 5/3/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.81 | 0.80 | 58,300 |   |  
            | 5/2/2018 | +0.10 / +12.50% | 0.90 | 0.90 | 0.80 | 0.90 | 0.83 | 0.90 | 270,500 |   |  			
            | 4/27/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.83 | 0.80 | 112,200 |   |  
            | 4/26/2018 | -0.10 / -10.00% | 1.00 | 1.00 | 0.90 | 0.90 | 0.91 | 0.90 | 256,500 |   |  			
            | 4/24/2018 | +0.10 / +11.11% | 0.90 | 1.00 | 0.80 | 1.00 | 0.92 | 1.00 | 264,400 |   |  
            | 4/23/2018 | -0.10 / -10.00% | 1.00 | 1.00 | 0.90 | 0.90 | 0.90 | 0.90 | 1,220,300 |   |  			
            | 4/20/2018 | 0.00 / 0.00% | 0.90 | 1.00 | 0.90 | 1.00 | 0.91 | 1.00 | 1,803,800 |   |  
            | 4/19/2018 | 0.00 / 0.00% | 1.00 | 1.00 | 0.90 | 1.00 | 0.95 | 1.00 | 228,900 |   |  			
            | 4/18/2018 | 0.00 / 0.00% | 1.00 | 1.10 | 0.90 | 1.00 | 1.00 | 1.00 | 261,800 |   |  
            | 4/17/2018 | 0.00 / 0.00% | 1.00 | 1.10 | 1.00 | 1.00 | 1.00 | 1.00 | 273,900 |   |  			
            | 4/16/2018 | 0.00 / 0.00% | 1.00 | 1.10 | 1.00 | 1.00 | 1.00 | 1.00 | 524,500 |   |  
            | 4/13/2018 | -0.10 / -9.09% | 1.10 | 1.10 | 1.00 | 1.00 | 1.01 | 1.00 | 75,900 |   |  			
            | 4/12/2018 | 0.00 / 0.00% | 1.10 | 1.10 | 1.00 | 1.10 | 1.07 | 1.10 | 91,400 |   |  
            | 4/11/2018 | 0.00 / 0.00% | 1.00 | 1.10 | 1.00 | 1.10 | 1.07 | 1.10 | 112,200 |   |  			
            | 4/10/2018 | 0.00 / 0.00% | 1.00 | 1.10 | 1.00 | 1.10 | 1.06 | 1.10 | 140,400 |   |  
            | 4/9/2018 | 0.00 / 0.00% | 1.10 | 1.10 | 1.00 | 1.10 | 1.05 | 1.10 | 65,600 |   |  			
            | 4/6/2018 | +0.10 / +10.00% | 1.10 | 1.10 | 1.00 | 1.10 | 1.05 | 1.10 | 230,800 |   |  
            | 4/5/2018 | 0.00 / 0.00% | 1.10 | 1.10 | 1.00 | 1.00 | 1.01 | 1.00 | 127,100 |   |  			
            | 4/4/2018 | -0.10 / -9.09% | 1.00 | 1.10 | 1.00 | 1.00 | 1.04 | 1.00 | 57,300 |   |  
            | 4/3/2018 | 0.00 / 0.00% | 1.10 | 1.10 | 1.00 | 1.10 | 1.05 | 1.10 | 309,600 |   |  			
            | 4/2/2018 | 0.00 / 0.00% | 1.10 | 1.10 | 1.00 | 1.10 | 1.05 | 1.10 | 253,900 |   |  
            | 3/30/2018 | 0.00 / 0.00% | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 | 72,400 |   |  			
            | 3/29/2018 | 0.00 / 0.00% | 1.10 | 1.20 | 1.10 | 1.10 | 1.10 | 1.10 | 86,703 |   |  
            | 3/28/2018 | 0.00 / 0.00% | 1.00 | 1.20 | 1.00 | 1.10 | 1.10 | 1.10 | 425,500 |   |  			
            | 3/27/2018 | 0.00 / 0.00% | 1.10 | 1.10 | 1.00 | 1.10 | 1.10 | 1.10 | 63,491 |   |  
            | 3/26/2018 | 0.00 / 0.00% | 1.00 | 1.10 | 1.00 | 1.10 | 1.09 | 1.10 | 11,700 |   |  |