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                    Closing price on 7/28/2022
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                    | Open | 11.20 |  
                    | High | 11.20 |  
                    | Low | 10.90 |  
                    | Volume | 3,700 |  
                    | Split-adjusted Price | 9.32 |  
                
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 |  MDC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/28/2022 | +0.10 / +0.90% | 11.20 | 11.20 | 10.90 | 11.20 | 10.94 | 9.32 | 3,700 |   |  
            | 7/27/2022 | +0.20 / +1.83% | 10.90 | 11.10 | 10.80 | 11.10 | 10.81 | 9.23 | 6,600 |   |  			
            | 7/26/2022 | -0.40 / -3.54% | 10.90 | 10.90 | 10.80 | 10.90 | 10.85 | 9.07 | 11,500 |   |  
            | 7/25/2022 | 0.00 / 0.00% | 11.30 | 11.30 | 11.30 | 11.30 | 11.30 | 9.40 | 0 |   |  			
            | 7/22/2022 | 0.00 / 0.00% | 11.30 | 11.30 | 11.00 | 11.30 | 11.15 | 9.40 | 400 |   |  
            | 7/21/2022 | +0.10 / +0.89% | 11.30 | 11.40 | 11.30 | 11.30 | 11.32 | 9.40 | 2,300 |   |  			
            | 7/20/2022 | +0.10 / +0.90% | 11.10 | 11.30 | 11.10 | 11.20 | 11.18 | 9.32 | 14,200 |   |  
            | 7/19/2022 | -0.20 / -1.77% | 11.00 | 11.10 | 10.60 | 11.10 | 10.91 | 9.23 | 6,000 |   |  			
            | 7/18/2022 | -0.10 / -0.88% | 11.50 | 11.50 | 11.30 | 11.30 | 11.43 | 9.40 | 300 |   |  
            | 7/15/2022 | -0.20 / -1.64% | 12.20 | 12.50 | 11.50 | 12.00 | 12.17 | 9.48 | 22,300 |   |  			
            | 7/14/2022 | +0.70 / +6.09% | 11.00 | 12.30 | 11.00 | 12.20 | 11.95 | 9.64 | 44,500 |   |  
            | 7/13/2022 | +0.10 / +0.88% | 11.50 | 11.50 | 11.20 | 11.50 | 11.35 | 9.09 | 8,000 |   |  			
            | 7/12/2022 | +0.20 / +1.79% | 11.30 | 11.50 | 10.30 | 11.40 | 11.25 | 9.01 | 12,000 |   |  
            | 7/11/2022 | 0.00 / 0.00% | 11.20 | 11.50 | 11.20 | 11.20 | 11.30 | 8.85 | 5,300 |   |  			
            | 7/8/2022 | +0.10 / +0.90% | 11.20 | 11.30 | 11.20 | 11.20 | 11.20 | 8.85 | 4,200 |   |  
            | 7/7/2022 | -0.50 / -4.31% | 10.70 | 11.50 | 10.60 | 11.10 | 11.00 | 8.77 | 4,200 |   |  			
            | 7/6/2022 | -0.30 / -2.52% | 11.00 | 11.90 | 10.90 | 11.60 | 11.08 | 9.17 | 2,900 |   |  
            | 7/5/2022 | -0.10 / -0.83% | 11.40 | 11.90 | 11.00 | 11.90 | 11.39 | 9.40 | 1,200 |   |  			
            | 7/4/2022 | -0.20 / -1.64% | 11.00 | 12.20 | 11.00 | 12.00 | 11.46 | 9.48 | 4,100 |   |  
            | 7/1/2022 | 0.00 / 0.00% | 12.20 | 12.20 | 12.20 | 12.20 | 12.20 | 9.64 | 0 |   |  			
            | 6/30/2022 | +0.10 / +0.83% | 12.00 | 12.30 | 12.00 | 12.20 | 12.11 | 9.64 | 15,800 |   |  
            | 6/29/2022 | +0.40 / +3.42% | 12.10 | 12.10 | 12.10 | 12.10 | 12.10 | 9.56 | 100 |   |  			
            | 6/28/2022 | +0.20 / +1.74% | 11.40 | 12.30 | 11.30 | 11.70 | 11.90 | 9.24 | 14,800 |   |  
            | 6/27/2022 | +0.50 / +4.55% | 11.00 | 11.50 | 11.00 | 11.50 | 11.40 | 9.09 | 3,000 |   |  			
            | 6/24/2022 | -0.20 / -1.79% | 11.00 | 11.00 | 10.70 | 11.00 | 10.92 | 8.69 | 4,800 |   |  
            | 6/23/2022 | +0.30 / +2.75% | 10.20 | 11.20 | 10.20 | 11.20 | 10.53 | 8.85 | 2,400 |   |  			
            | 6/22/2022 | +0.30 / +2.83% | 10.40 | 10.90 | 10.40 | 10.90 | 10.61 | 8.61 | 5,100 |   |  
            | 6/21/2022 | +0.20 / +1.92% | 10.50 | 10.80 | 10.50 | 10.60 | 10.66 | 8.38 | 12,300 |   |  			
            | 6/20/2022 | -1.00 / -8.77% | 11.40 | 11.40 | 10.40 | 10.40 | 10.77 | 8.22 | 3,000 |   |  
            | 6/17/2022 | -0.40 / -3.39% | 11.00 | 11.40 | 10.70 | 11.40 | 10.87 | 9.01 | 10,900 |   |  |