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                    Closing price on 4/28/2021
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        |           
                
                    | Open | 36.50 |  
                    | High | 36.50 |  
                    | Low | 36.50 |  
                    | Volume | 1,800 |  
                    | Split-adjusted Price | 36.50 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/28/2021 | +0.40 / +1.11% | 36.50 | 36.50 | 36.50 | 36.50 | 36.50 | 36.50 | 1,800 |   |  
            | 4/27/2021 | 0.00 / 0.00% | 36.10 | 36.10 | 36.10 | 36.10 | 36.10 | 36.10 | 0 |   |  			
            | 4/26/2021 | -1.90 / -5.00% | 36.60 | 36.60 | 35.10 | 36.10 | 35.73 | 36.10 | 400 |   |  
            | 4/23/2021 | 0.00 / 0.00% | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 0 |   |  			
            | 4/22/2021 | +0.90 / +2.43% | 39.00 | 39.00 | 38.00 | 38.00 | 38.07 | 38.00 | 4,100 |   |  
            | 4/20/2021 | 0.00 / 0.00% | 37.10 | 37.10 | 37.10 | 37.10 | 37.10 | 37.10 | 500 |   |  			
            | 4/19/2021 | 0.00 / 0.00% | 37.30 | 37.30 | 37.10 | 37.10 | 37.15 | 37.10 | 2,700 |   |  
            | 4/16/2021 | +0.10 / +0.27% | 37.10 | 37.10 | 37.10 | 37.10 | 37.10 | 37.10 | 500 |   |  			
            | 4/15/2021 | -1.30 / -3.39% | 36.00 | 37.00 | 36.00 | 37.00 | 36.38 | 37.00 | 1,300 |   |  
            | 4/14/2021 | -0.10 / -0.26% | 38.30 | 38.30 | 38.30 | 38.30 | 38.30 | 38.30 | 500 |   |  			
            | 4/13/2021 | 0.00 / 0.00% | 38.40 | 38.40 | 38.40 | 38.40 | 38.40 | 38.40 | 0 |   |  
            | 4/12/2021 | +0.40 / +1.05% | 38.80 | 38.80 | 38.40 | 38.40 | 38.67 | 38.40 | 300 |   |  			
            | 4/9/2021 | 0.00 / 0.00% | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 200 |   |  
            | 4/8/2021 | 0.00 / 0.00% | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 300 |   |  			
            | 4/7/2021 | +0.30 / +0.80% | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 139 |   |  
            | 4/6/2021 | 0.00 / 0.00% | 37.70 | 37.70 | 37.70 | 37.70 | 37.70 | 37.70 | 1,600 |   |  			
            | 4/5/2021 | -1.10 / -2.84% | 38.70 | 38.70 | 37.70 | 37.70 | 38.59 | 37.70 | 900 |   |  
            | 4/2/2021 | -0.20 / -0.51% | 38.80 | 39.50 | 38.80 | 38.80 | 39.14 | 38.80 | 5,600 |   |  			
            | 4/1/2021 | +1.50 / +4.00% | 37.50 | 39.00 | 37.50 | 39.00 | 38.56 | 39.00 | 1,400 |   |  
            | 3/31/2021 | -1.40 / -3.60% | 38.90 | 38.90 | 37.30 | 37.50 | 37.47 | 37.50 | 1,300 |   |  			
            | 3/30/2021 | +0.10 / +0.26% | 38.80 | 38.90 | 36.50 | 38.90 | 38.31 | 38.90 | 1,500 |   |  
            | 3/29/2021 | 0.00 / 0.00% | 38.80 | 38.80 | 38.80 | 38.80 | 38.80 | 38.80 | 1,100 |   |  			
            | 3/26/2021 | -0.20 / -0.51% | 38.90 | 39.00 | 38.50 | 38.80 | 38.74 | 38.80 | 3,100 |   |  
            | 3/25/2021 | -0.50 / -1.27% | 37.60 | 39.40 | 37.60 | 39.00 | 38.98 | 39.00 | 1,300 |   |  			
            | 3/24/2021 | +1.00 / +2.60% | 39.00 | 39.50 | 38.00 | 39.50 | 39.00 | 39.50 | 800 |   |  
            | 3/23/2021 | -1.00 / -2.53% | 37.10 | 38.50 | 37.10 | 38.50 | 37.45 | 38.50 | 400 |   |  			
            | 3/22/2021 | +0.50 / +1.28% | 39.00 | 39.50 | 38.80 | 39.50 | 39.05 | 39.50 | 3,101 |   |  
            | 3/19/2021 | -0.30 / -0.76% | 39.30 | 39.30 | 38.50 | 39.00 | 38.87 | 39.00 | 1,920 |   |  			
            | 3/18/2021 | +0.30 / +0.77% | 39.50 | 39.50 | 39.00 | 39.30 | 39.27 | 39.30 | 300 |   |  
            | 3/17/2021 | 0.00 / 0.00% | 38.90 | 39.00 | 37.00 | 39.00 | 38.39 | 39.00 | 1,000 |   |  |