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                    Closing price on 1/6/2021
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                    | Open | 36.10 |  
                    | High | 37.00 |  
                    | Low | 36.10 |  
                    | Volume | 6,200 |  
                    | Split-adjusted Price | 36.40 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/6/2021 | -0.40 / -1.09% | 36.10 | 37.00 | 36.10 | 36.40 | 36.64 | 36.40 | 6,200 |   |  
            | 1/5/2021 | +0.30 / +0.82% | 36.70 | 36.80 | 36.70 | 36.80 | 36.71 | 36.80 | 1,000 |   |  			
            | 1/4/2021 | 0.00 / 0.00% | 36.50 | 36.50 | 36.50 | 36.50 | 36.50 | 36.50 | 800 |   |  
            | 12/31/2020 | +0.40 / +1.11% | 36.10 | 37.20 | 36.10 | 36.50 | 36.35 | 36.50 | 600 |   |  			
            | 12/30/2020 | -0.60 / -1.63% | 36.70 | 37.20 | 36.10 | 36.10 | 36.63 | 36.10 | 400 |   |  
            | 12/29/2020 | +0.70 / +1.94% | 36.00 | 36.70 | 36.00 | 36.70 | 36.56 | 36.70 | 3,100 |   |  			
            | 12/28/2020 | +0.90 / +2.56% | 36.80 | 36.90 | 36.00 | 36.00 | 36.78 | 36.00 | 3,000 |   |  
            | 12/25/2020 | +1.60 / +4.78% | 35.80 | 35.80 | 35.10 | 35.10 | 35.72 | 35.10 | 1,800 |   |  			
            | 12/24/2020 | -2.90 / -7.97% | 36.40 | 36.50 | 33.50 | 33.50 | 35.72 | 33.50 | 2,400 |   |  
            | 12/23/2020 | 0.00 / 0.00% | 36.30 | 36.40 | 36.10 | 36.40 | 36.28 | 36.40 | 3,200 |   |  			
            | 12/22/2020 | +0.10 / +0.28% | 36.30 | 36.40 | 36.10 | 36.40 | 36.28 | 36.40 | 2,500 |   |  
            | 12/21/2020 | -0.60 / -1.63% | 36.00 | 36.30 | 36.00 | 36.30 | 36.21 | 36.30 | 700 |   |  			
            | 12/18/2020 | +1.30 / +3.65% | 34.50 | 36.90 | 34.00 | 36.90 | 34.53 | 36.90 | 8,500 |   |  
            | 12/17/2020 | 0.00 / 0.00% | 35.60 | 35.60 | 35.60 | 35.60 | 35.60 | 35.60 | 0 |   |  			
            | 12/16/2020 | -1.30 / -3.52% | 35.60 | 35.60 | 35.60 | 35.60 | 35.60 | 35.60 | 600 |   |  
            | 12/15/2020 | 0.00 / 0.00% | 36.90 | 36.90 | 36.90 | 36.90 | 36.90 | 36.90 | 500 |   |  			
            | 12/14/2020 | +0.90 / +2.50% | 36.00 | 36.90 | 36.00 | 36.90 | 36.67 | 36.90 | 1,200 |   |  
            | 12/11/2020 | 0.00 / 0.00% | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 400 |   |  			
            | 12/10/2020 | +0.90 / +2.56% | 35.20 | 36.00 | 35.20 | 36.00 | 35.83 | 36.00 | 3,900 |   |  
            | 12/9/2020 | +0.10 / +0.29% | 35.00 | 35.10 | 35.00 | 35.10 | 35.03 | 35.10 | 2,000 |   |  			
            | 12/8/2020 | -0.10 / -0.28% | 35.20 | 35.20 | 35.00 | 35.00 | 35.11 | 35.00 | 8,500 |   |  
            | 12/7/2020 | 0.00 / 0.00% | 35.10 | 35.10 | 35.10 | 35.10 | 35.10 | 35.10 | 0 |   |  			
            | 12/4/2020 | +0.10 / +0.29% | 35.10 | 35.10 | 35.10 | 35.10 | 35.10 | 35.10 | 100 |   |  
            | 12/3/2020 | 0.00 / 0.00% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 0 |   |  			
            | 12/2/2020 | 0.00 / 0.00% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 2,300 |   |  
            | 12/1/2020 | -1.00 / -2.78% | 35.20 | 35.30 | 35.00 | 35.00 | 35.17 | 35.00 | 11,800 |   |  			
            | 11/30/2020 | 0.00 / 0.00% | 35.10 | 36.00 | 35.10 | 36.00 | 35.85 | 36.00 | 1,200 |   |  
            | 11/27/2020 | 0.00 / 0.00% | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 900 |   |  			
            | 11/26/2020 | 0.00 / 0.00% | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 0 |   |  
            | 11/25/2020 | 0.00 / 0.00% | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 0 |   |  |