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            | 
                    Closing price on 6/7/2018
                 |  |  
    
        |           
                
                    | Open | 0.80 |  
                    | High | 0.90 |  
                    | Low | 0.80 |  
                    | Volume | 167,900 |  
                    | Split-adjusted Price | 0.80 |  
                
             | 
 |  ACM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/7/2018 | 0.00 / 0.00% | 0.80 | 0.90 | 0.80 | 0.80 | 0.81 | 0.80 | 167,900 |   |  
            | 6/6/2018 | 0.00 / 0.00% | 0.80 | 0.90 | 0.80 | 0.80 | 0.80 | 0.80 | 187,700 |   |  			
            | 6/5/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.81 | 0.80 | 140,800 |   |  
            | 6/4/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.90 | 0.85 | 0.90 | 245,500 |   |  			
            | 6/1/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.90 | 0.86 | 0.90 | 178,700 |   |  
            | 5/31/2018 | +0.10 / +12.50% | 0.80 | 0.90 | 0.70 | 0.90 | 0.80 | 0.90 | 512,000 |   |  			
            | 5/30/2018 | 0.00 / 0.00% | 0.80 | 0.80 | 0.70 | 0.80 | 0.78 | 0.80 | 34,700 |   |  
            | 5/29/2018 | +0.10 / +14.29% | 0.70 | 0.80 | 0.70 | 0.80 | 0.78 | 0.80 | 240,400 |   |  			
            | 5/28/2018 | -0.10 / -12.50% | 0.80 | 0.80 | 0.70 | 0.70 | 0.70 | 0.70 | 344,300 |   |  
            | 5/25/2018 | 0.00 / 0.00% | 0.80 | 0.80 | 0.70 | 0.80 | 0.73 | 0.80 | 325,200 |   |  			
            | 5/24/2018 | 0.00 / 0.00% | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | 56,500 |   |  
            | 5/23/2018 | +0.10 / +14.29% | 0.80 | 0.80 | 0.70 | 0.80 | 0.73 | 0.80 | 158,400 |   |  			
            | 5/22/2018 | -0.10 / -12.50% | 0.80 | 0.80 | 0.70 | 0.70 | 0.76 | 0.70 | 235,000 |   |  
            | 5/21/2018 | +0.10 / +14.29% | 0.80 | 0.80 | 0.70 | 0.80 | 0.76 | 0.80 | 296,300 |   |  			
            | 5/18/2018 | -0.10 / -12.50% | 0.80 | 0.90 | 0.70 | 0.70 | 0.77 | 0.70 | 116,200 |   |  
            | 5/17/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.80 | 0.80 | 456,600 |   |  			
            | 5/16/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.90 | 0.83 | 0.90 | 78,200 |   |  
            | 5/15/2018 | +0.10 / +12.50% | 0.90 | 0.90 | 0.80 | 0.90 | 0.85 | 0.90 | 99,100 |   |  			
            | 5/14/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.80 | 0.84 | 0.80 | 54,900 |   |  
            | 5/11/2018 | 0.00 / 0.00% | 0.90 | 0.90 | 0.80 | 0.80 | 0.82 | 0.80 | 78,000 |   |  			
            | 5/10/2018 | -0.10 / -11.11% | 0.90 | 0.90 | 0.80 | 0.80 | 0.86 | 0.80 | 73,800 |   |  
            | 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 |   |  |