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                    Closing price on 8/19/2019
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        |           
                
                    | Open | 42.60 |  
                    | High | 42.60 |  
                    | Low | 42.60 |  
                    | Volume | 1,010 |  
                    | Split-adjusted Price | 40.39 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/19/2019 | -0.40 / -0.93% | 42.60 | 42.60 | 42.60 | 42.60 | 42.60 | 40.39 | 1,010 |   |  
            | 8/16/2019 | +1.90 / +4.62% | 42.00 | 43.00 | 42.00 | 43.00 | 42.25 | 40.77 | 800 |   |  			
            | 8/15/2019 | -1.90 / -4.42% | 42.50 | 43.00 | 41.10 | 41.10 | 42.78 | 38.97 | 1,300 |   |  
            | 8/14/2019 | +2.50 / +6.17% | 42.50 | 43.00 | 42.50 | 43.00 | 42.72 | 40.77 | 2,300 |   |  			
            | 8/13/2019 | -3.10 / -7.11% | 40.50 | 40.50 | 40.50 | 40.50 | 40.50 | 38.40 | 300 |   |  
            | 8/12/2019 | -0.40 / -0.91% | 43.60 | 43.60 | 43.60 | 43.60 | 43.60 | 41.34 | 400 |   |  			
            | 8/9/2019 | 0.00 / 0.00% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 41.72 | 500 |   |  
            | 8/8/2019 | -0.30 / -0.68% | 44.50 | 44.50 | 44.00 | 44.00 | 44.45 | 41.72 | 1,100 |   |  			
            | 8/7/2019 | 0.00 / 0.00% | 44.30 | 44.30 | 44.30 | 44.30 | 44.30 | 42.00 | 200 |   |  
            | 8/6/2019 | 0.00 / 0.00% | 44.30 | 44.30 | 44.30 | 44.30 | 44.30 | 42.00 | 0 |   |  			
            | 8/5/2019 | 0.00 / 0.00% | 44.30 | 44.30 | 44.30 | 44.30 | 44.30 | 42.00 | 0 |   |  
            | 8/2/2019 | -0.40 / -0.89% | 44.40 | 44.40 | 44.20 | 44.30 | 44.33 | 42.00 | 800 |   |  			
            | 8/1/2019 | +0.60 / +1.36% | 44.10 | 44.70 | 44.00 | 44.70 | 44.25 | 42.38 | 1,500 |   |  
            | 7/31/2019 | +0.10 / +0.23% | 44.00 | 44.50 | 43.60 | 44.10 | 43.95 | 41.81 | 9,000 |   |  			
            | 7/30/2019 | +0.20 / +0.46% | 43.80 | 44.00 | 43.80 | 44.00 | 43.83 | 41.72 | 1,800 |   |  
            | 7/29/2019 | +0.20 / +0.46% | 43.80 | 44.00 | 43.70 | 43.80 | 43.74 | 41.53 | 1,600 |   |  			
            | 7/26/2019 | 0.00 / 0.00% | 43.60 | 43.60 | 43.60 | 43.60 | 43.60 | 41.34 | 0 |   |  
            | 7/25/2019 | -0.50 / -1.13% | 44.10 | 44.10 | 43.60 | 43.60 | 44.00 | 41.34 | 1,500 |   |  			
            | 7/24/2019 | 0.00 / 0.00% | 44.10 | 44.10 | 44.10 | 44.10 | 44.10 | 41.81 | 100 |   |  
            | 7/23/2019 | 0.00 / 0.00% | 44.10 | 44.10 | 44.10 | 44.10 | 44.10 | 41.81 | 0 |   |  			
            | 7/22/2019 | +2.60 / +6.27% | 45.00 | 45.00 | 44.10 | 44.10 | 44.33 | 41.81 | 400 |   |  
            | 7/19/2019 | -4.30 / -9.39% | 45.80 | 45.80 | 41.50 | 41.50 | 42.93 | 39.35 | 300 |   |  			
            | 7/18/2019 | +0.60 / +1.33% | 45.80 | 45.80 | 45.80 | 45.80 | 45.80 | 43.42 | 100 |   |  
            | 7/17/2019 | +0.60 / +1.35% | 45.20 | 45.20 | 45.20 | 45.20 | 45.20 | 42.85 | 900 |   |  			
            | 7/16/2019 | 0.00 / 0.00% | 44.60 | 44.60 | 44.60 | 44.60 | 44.60 | 42.28 | 300 |   |  
            | 7/15/2019 | -0.60 / -1.33% | 44.60 | 44.60 | 44.60 | 44.60 | 44.60 | 42.28 | 200 |   |  			
            | 7/12/2019 | +1.30 / +2.96% | 45.50 | 46.00 | 45.20 | 45.20 | 45.42 | 42.85 | 1,300 |   |  
            | 7/11/2019 | -2.10 / -4.57% | 46.00 | 46.00 | 43.90 | 43.90 | 45.81 | 41.62 | 3,300 |   |  			
            | 7/10/2019 | 0.00 / 0.00% | 46.00 | 46.00 | 46.00 | 46.00 | 46.00 | 43.61 | 2,500 |   |  
            | 7/9/2019 | 0.00 / 0.00% | 46.00 | 46.00 | 46.00 | 46.00 | 46.00 | 43.61 | 2,300 |   |  |