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            | 
                    Closing price on 8/1/2019
                 |  |  
    
        |           
                
                    | Open | 1.80 |  
                    | High | 1.90 |  
                    | Low | 1.80 |  
                    | Volume | 34,000 |  
                    | Split-adjusted Price | 1.90 |  
                
             | 
 |  MEC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/1/2019 | 0.00 / 0.00% | 1.80 | 1.90 | 1.80 | 1.90 | 1.84 | 1.90 | 34,000 |   |  
            | 7/31/2019 | -0.10 / -5.00% | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 15,700 |   |  			
            | 7/30/2019 | 0.00 / 0.00% | 2.10 | 2.10 | 2.00 | 2.00 | 2.03 | 2.00 | 15,500 |   |  
            | 7/29/2019 | +0.10 / +5.26% | 2.00 | 2.00 | 1.90 | 2.00 | 2.00 | 2.00 | 78,200 |   |  			
            | 7/26/2019 | +0.10 / +5.56% | 1.90 | 1.90 | 1.80 | 1.90 | 1.89 | 1.90 | 78,000 |   |  
            | 7/25/2019 | +0.10 / +5.88% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 700 |   |  			
            | 7/24/2019 | -0.10 / -5.56% | 1.80 | 1.80 | 1.70 | 1.70 | 1.80 | 1.70 | 22,700 |   |  
            | 7/23/2019 | -0.10 / -5.26% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 73,800 |   |  			
            | 7/22/2019 | -0.20 / -9.52% | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 5,900 |   |  
            | 7/19/2019 | 0.00 / 0.00% | 2.00 | 2.10 | 2.00 | 2.10 | 2.04 | 2.10 | 9,000 |   |  			
            | 7/18/2019 | 0.00 / 0.00% | 2.10 | 2.20 | 2.00 | 2.10 | 2.11 | 2.10 | 10,200 |   |  
            | 7/17/2019 | 0.00 / 0.00% | 1.90 | 2.20 | 1.90 | 2.10 | 2.05 | 2.10 | 28,600 |   |  			
            | 7/16/2019 | -0.20 / -8.70% | 2.10 | 2.30 | 2.10 | 2.10 | 2.10 | 2.10 | 43,700 |   |  
            | 7/15/2019 | -0.20 / -8.00% | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 2.30 | 4,000 |   |  			
            | 7/12/2019 | +0.10 / +4.17% | 2.60 | 2.60 | 2.40 | 2.50 | 2.50 | 2.50 | 38,300 |   |  
            | 7/11/2019 | +0.20 / +9.09% | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 107,800 |   |  			
            | 7/10/2019 | +0.20 / +10.00% | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 100,200 |   |  
            | 7/9/2019 | +0.10 / +5.26% | 1.90 | 2.00 | 1.90 | 2.00 | 2.00 | 2.00 | 76,748 |   |  			
            | 7/8/2019 | 0.00 / 0.00% | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 300 |   |  
            | 7/5/2019 | 0.00 / 0.00% | 1.80 | 1.90 | 1.80 | 1.90 | 1.88 | 1.90 | 400 |   |  			
            | 7/4/2019 | +0.10 / +5.56% | 1.90 | 1.90 | 1.80 | 1.90 | 1.88 | 1.90 | 2,500 |   |  
            | 7/3/2019 | 0.00 / 0.00% | 1.90 | 1.90 | 1.80 | 1.80 | 1.90 | 1.80 | 9,500 |   |  			
            | 7/2/2019 | -0.10 / -5.26% | 1.80 | 1.90 | 1.80 | 1.80 | 1.89 | 1.80 | 6,500 |   |  
            | 7/1/2019 | +0.10 / +5.56% | 1.70 | 1.90 | 1.70 | 1.90 | 1.83 | 1.90 | 300 |   |  			
            | 6/28/2019 | 0.00 / 0.00% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1,000 |   |  
            | 6/27/2019 | 0.00 / 0.00% | 1.70 | 1.90 | 1.70 | 1.80 | 1.80 | 1.80 | 300 |   |  			
            | 6/26/2019 | 0.00 / 0.00% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 200 |   |  
            | 6/25/2019 | 0.00 / 0.00% | 1.80 | 1.90 | 1.80 | 1.80 | 1.81 | 1.80 | 1,900 |   |  			
            | 6/24/2019 | -0.10 / -5.26% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 500 |   |  
            | 6/21/2019 | -0.10 / -5.00% | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 1.90 | 200 |   |  |