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                    Closing price on 8/27/2020
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        |           
                
                    | Open | 10.00 |  
                    | High | 10.00 |  
                    | Low | 10.00 |  
                    | Volume | 76,400 |  
                    | Split-adjusted Price | 7.42 |  
                
             | 
 |  MDC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/27/2020 | -0.10 / -0.99% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 7.42 | 76,400 |   |  
            | 8/26/2020 | +0.10 / +1.00% | 10.00 | 10.10 | 10.00 | 10.10 | 10.00 | 7.50 | 191,400 |   |  			
            | 8/25/2020 | -0.10 / -0.99% | 9.30 | 10.00 | 9.30 | 10.00 | 9.96 | 7.42 | 126,700 |   |  
            | 8/24/2020 | +0.20 / +2.02% | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | 7.50 | 100 |   |  			
            | 8/21/2020 | -0.20 / -1.98% | 9.20 | 9.90 | 9.20 | 9.90 | 9.34 | 7.35 | 500 |   |  
            | 8/20/2020 | +0.20 / +2.02% | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | 7.50 | 100 |   |  			
            | 8/19/2020 | -0.10 / -1.00% | 9.00 | 9.90 | 9.00 | 9.90 | 9.06 | 7.35 | 5,400 |   |  
            | 8/18/2020 | 0.00 / 0.00% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 7.42 | 0 |   |  			
            | 8/17/2020 | 0.00 / 0.00% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 7.42 | 0 |   |  
            | 8/14/2020 | 0.00 / 0.00% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 7.42 | 0 |   |  			
            | 8/13/2020 | +0.50 / +5.26% | 9.40 | 10.00 | 9.00 | 10.00 | 9.06 | 7.42 | 8,300 |   |  
            | 8/12/2020 | -0.50 / -5.00% | 9.00 | 9.50 | 9.00 | 9.50 | 9.02 | 7.05 | 6,100 |   |  			
            | 8/11/2020 | -0.50 / -4.76% | 9.50 | 10.00 | 9.50 | 10.00 | 9.54 | 7.42 | 1,200 |   |  
            | 8/10/2020 | +0.80 / +8.25% | 9.00 | 10.50 | 9.00 | 10.50 | 9.05 | 7.79 | 15,700 |   |  			
            | 8/7/2020 | -0.10 / -1.02% | 8.90 | 9.70 | 8.90 | 9.70 | 8.91 | 7.20 | 22,000 |   |  
            | 8/6/2020 | -1.00 / -9.26% | 9.80 | 9.80 | 9.80 | 9.80 | 9.80 | 7.27 | 8,000 |   |  			
            | 8/5/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.80 | 10.80 | 10.80 | 8.02 | 0 |   |  
            | 8/4/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.80 | 10.80 | 10.80 | 8.02 | 0 |   |  			
            | 8/3/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.80 | 10.80 | 10.80 | 8.02 | 0 |   |  
            | 7/31/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.80 | 10.80 | 10.80 | 8.02 | 0 |   |  			
            | 7/30/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.80 | 10.80 | 10.80 | 8.02 | 0 |   |  
            | 7/29/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.80 | 10.80 | 10.80 | 8.02 | 0 |   |  			
            | 7/28/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.80 | 10.80 | 10.80 | 8.02 | 0 |   |  
            | 7/27/2020 | 0.00 / 0.00% | 10.80 | 10.80 | 10.80 | 10.80 | 10.80 | 8.02 | 0 |   |  			
            | 7/24/2020 | +0.90 / +9.09% | 10.80 | 10.80 | 10.80 | 10.80 | 10.80 | 8.02 | 100 |   |  
            | 7/23/2020 | 0.00 / 0.00% | 9.90 | 9.90 | 9.90 | 9.90 | 9.90 | 7.35 | 0 |   |  			
            | 7/22/2020 | 0.00 / 0.00% | 9.90 | 9.90 | 9.90 | 9.90 | 9.90 | 7.35 | 0 |   |  
            | 7/21/2020 | -0.10 / -1.00% | 9.90 | 9.90 | 9.90 | 9.90 | 9.90 | 7.35 | 500 |   |  			
            | 7/20/2020 | 0.00 / 0.00% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 7.42 | 0 |   |  
            | 7/17/2020 | +0.10 / +1.01% | 10.80 | 10.80 | 10.00 | 10.00 | 10.02 | 7.42 | 5,100 |   |  |