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                    Closing price on 3/15/2021
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        |           
                
                    | Open | 38.00 |  
                    | High | 39.00 |  
                    | Low | 37.90 |  
                    | Volume | 725 |  
                    | Split-adjusted Price | 38.00 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/15/2021 | -1.00 / -2.56% | 38.00 | 39.00 | 37.90 | 38.00 | 38.41 | 38.00 | 725 |   |  
            | 3/12/2021 | +1.30 / +3.45% | 37.40 | 40.00 | 37.40 | 39.00 | 37.80 | 39.00 | 1,300 |   |  			
            | 3/11/2021 | +0.50 / +1.34% | 40.00 | 40.00 | 37.70 | 37.70 | 38.70 | 37.70 | 500 |   |  
            | 3/10/2021 | 0.00 / 0.00% | 37.20 | 38.00 | 37.20 | 37.20 | 37.37 | 37.20 | 4,800 |   |  			
            | 3/9/2021 | -1.60 / -4.12% | 38.80 | 39.00 | 37.20 | 37.20 | 38.69 | 37.20 | 1,400 |   |  
            | 3/8/2021 | -0.20 / -0.51% | 39.00 | 39.00 | 38.80 | 38.80 | 38.91 | 38.80 | 1,300 |   |  			
            | 3/5/2021 | +0.50 / +1.30% | 38.50 | 39.00 | 37.00 | 39.00 | 38.63 | 39.00 | 2,600 |   |  
            | 3/4/2021 | 0.00 / 0.00% | 38.00 | 38.50 | 37.50 | 38.50 | 38.17 | 38.50 | 900 |   |  			
            | 3/3/2021 | +0.60 / +1.58% | 37.90 | 38.50 | 37.90 | 38.50 | 38.20 | 38.50 | 200 |   |  
            | 3/2/2021 | 0.00 / 0.00% | 37.90 | 37.90 | 37.90 | 37.90 | 37.90 | 37.90 | 0 |   |  			
            | 3/1/2021 | -0.10 / -0.26% | 38.00 | 38.00 | 37.00 | 37.90 | 37.62 | 37.90 | 2,900 |   |  
            | 2/26/2021 | +0.80 / +2.15% | 38.00 | 38.00 | 37.90 | 38.00 | 37.95 | 38.00 | 600 |   |  			
            | 2/25/2021 | 0.00 / 0.00% | 37.20 | 37.20 | 37.20 | 37.20 | 37.20 | 37.20 | 200 |   |  
            | 2/24/2021 | -0.80 / -2.11% | 41.00 | 41.00 | 37.20 | 37.20 | 39.10 | 37.20 | 200 |   |  			
            | 2/23/2021 | +1.50 / +4.11% | 36.50 | 38.00 | 36.50 | 38.00 | 37.33 | 38.00 | 3,500 |   |  
            | 2/22/2021 | -2.00 / -5.19% | 36.00 | 38.30 | 35.10 | 36.50 | 36.30 | 36.50 | 1,400 |   |  			
            | 2/19/2021 | 0.00 / 0.00% | 38.00 | 42.00 | 38.00 | 38.50 | 38.95 | 38.50 | 1,400 |   |  
            | 2/18/2021 | +2.80 / +7.84% | 37.40 | 39.00 | 37.40 | 38.50 | 38.35 | 38.50 | 400 |   |  			
            | 2/17/2021 | +0.10 / +0.28% | 35.70 | 35.80 | 35.70 | 35.70 | 35.76 | 35.70 | 900 |   |  
            | 2/9/2021 | +0.50 / +1.42% | 38.00 | 38.00 | 35.60 | 35.60 | 36.80 | 35.60 | 200 |   |  			
            | 2/8/2021 | -0.30 / -0.85% | 35.00 | 38.90 | 35.00 | 35.10 | 36.00 | 35.10 | 400 |   |  
            | 2/5/2021 | -2.00 / -5.35% | 41.10 | 41.10 | 35.40 | 35.40 | 38.25 | 35.40 | 200 |   |  			
            | 2/4/2021 | +3.20 / +9.36% | 37.60 | 37.60 | 37.30 | 37.40 | 37.52 | 37.40 | 900 |   |  
            | 2/3/2021 | +0.60 / +1.79% | 35.80 | 36.70 | 34.20 | 34.20 | 35.85 | 34.20 | 400 |   |  			
            | 2/2/2021 | +0.60 / +1.82% | 33.00 | 35.80 | 33.00 | 33.60 | 35.44 | 33.60 | 7,600 |   |  
            | 2/1/2021 | 0.00 / 0.00% | 33.00 | 33.00 | 33.00 | 33.00 | 33.00 | 33.00 | 0 |   |  			
            | 1/29/2021 | 0.00 / 0.00% | 36.30 | 36.30 | 33.00 | 33.00 | 33.83 | 33.00 | 400 |   |  
            | 1/28/2021 | -2.50 / -7.04% | 34.60 | 34.60 | 33.00 | 33.00 | 33.75 | 33.00 | 3,200 |   |  			
            | 1/27/2021 | -0.80 / -2.20% | 36.00 | 36.00 | 35.50 | 35.50 | 35.61 | 35.50 | 1,800 |   |  
            | 1/26/2021 | -0.40 / -1.09% | 36.30 | 36.30 | 36.30 | 36.30 | 36.30 | 36.30 | 300 |   |  |