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                    Closing price on 3/7/2022
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                    | Open | 18.50 |  
                    | High | 20.10 |  
                    | Low | 18.40 |  
                    | Volume | 148,100 |  
                    | Split-adjusted Price | 15.88 |  
                
             | 
 |  MDC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/7/2022 | +1.80 / +9.84% | 18.50 | 20.10 | 18.40 | 20.10 | 19.25 | 15.88 | 148,100 |   |  
            | 3/4/2022 | -0.70 / -3.68% | 19.30 | 20.50 | 18.20 | 18.30 | 19.38 | 14.46 | 239,700 |   |  			
            | 3/3/2022 | +1.70 / +9.83% | 18.00 | 19.00 | 17.30 | 19.00 | 18.27 | 15.01 | 175,500 |   |  
            | 3/2/2022 | +1.20 / +7.45% | 17.70 | 17.70 | 16.30 | 17.30 | 16.93 | 13.67 | 122,600 |   |  			
            | 3/1/2022 | +1.40 / +9.52% | 16.10 | 16.10 | 15.50 | 16.10 | 16.09 | 12.72 | 160,900 |   |  
            | 2/28/2022 | +1.30 / +9.70% | 13.90 | 14.70 | 13.90 | 14.70 | 14.52 | 11.62 | 121,300 |   |  			
            | 2/25/2022 | +0.20 / +1.52% | 13.20 | 13.90 | 13.20 | 13.40 | 13.61 | 10.59 | 22,500 |   |  
            | 2/24/2022 | +0.10 / +0.76% | 13.50 | 13.70 | 12.90 | 13.20 | 13.31 | 10.43 | 37,800 |   |  			
            | 2/23/2022 | +0.70 / +5.65% | 12.90 | 13.40 | 12.50 | 13.10 | 13.16 | 10.35 | 53,500 |   |  
            | 2/22/2022 | -0.30 / -2.36% | 12.80 | 13.30 | 12.40 | 12.40 | 12.55 | 9.80 | 2,000 |   |  			
            | 2/21/2022 | -0.30 / -2.31% | 12.60 | 12.90 | 12.60 | 12.70 | 12.63 | 10.03 | 20,700 |   |  
            | 2/18/2022 | 0.00 / 0.00% | 12.40 | 13.00 | 12.40 | 13.00 | 12.57 | 10.27 | 700 |   |  			
            | 2/17/2022 | -0.10 / -0.76% | 12.00 | 13.10 | 12.00 | 13.00 | 12.57 | 10.27 | 2,300 |   |  
            | 2/16/2022 | -0.20 / -1.50% | 12.80 | 13.30 | 12.30 | 13.10 | 13.04 | 10.35 | 33,500 |   |  			
            | 2/15/2022 | +0.40 / +3.10% | 12.80 | 13.70 | 12.70 | 13.30 | 12.89 | 10.51 | 3,800 |   |  
            | 2/14/2022 | 0.00 / 0.00% | 12.90 | 14.10 | 12.80 | 12.90 | 13.44 | 10.19 | 32,600 |   |  			
            | 2/11/2022 | +1.10 / +9.32% | 11.80 | 12.90 | 11.80 | 12.90 | 12.74 | 10.19 | 47,700 |   |  
            | 2/10/2022 | -0.20 / -1.67% | 11.60 | 11.80 | 11.60 | 11.80 | 11.65 | 9.32 | 1,600 |   |  			
            | 2/9/2022 | +0.30 / +2.56% | 11.60 | 12.00 | 11.60 | 12.00 | 11.87 | 9.48 | 2,200 |   |  
            | 2/8/2022 | 0.00 / 0.00% | 11.70 | 11.70 | 11.70 | 11.70 | 11.70 | 9.24 | 0 |   |  			
            | 2/7/2022 | +0.90 / +8.33% | 11.00 | 11.80 | 11.00 | 11.70 | 11.29 | 9.24 | 1,000 |   |  
            | 1/28/2022 | 0.00 / 0.00% | 10.80 | 10.80 | 10.70 | 10.80 | 10.77 | 8.53 | 6,300 |   |  			
            | 1/27/2022 | -0.30 / -2.70% | 11.00 | 11.00 | 10.70 | 10.80 | 10.75 | 8.53 | 6,800 |   |  
            | 1/26/2022 | -0.30 / -2.63% | 11.10 | 11.40 | 11.10 | 11.10 | 11.21 | 8.77 | 5,800 |   |  			
            | 1/25/2022 | -0.20 / -1.72% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 9.01 | 200 |   |  
            | 1/24/2022 | +0.10 / +0.87% | 12.00 | 12.00 | 11.60 | 11.60 | 12.00 | 9.17 | 1,000 |   |  			
            | 1/21/2022 | -0.40 / -3.36% | 11.10 | 12.30 | 11.00 | 11.50 | 11.59 | 9.09 | 59,700 |   |  
            | 1/20/2022 | +0.50 / +4.39% | 11.00 | 11.90 | 11.00 | 11.90 | 11.26 | 9.40 | 3,100 |   |  			
            | 1/19/2022 | +0.40 / +3.64% | 10.90 | 11.40 | 10.90 | 11.40 | 10.91 | 9.01 | 4,200 |   |  
            | 1/18/2022 | -0.80 / -6.78% | 11.70 | 11.70 | 10.90 | 11.00 | 11.01 | 8.69 | 14,700 |   |  |