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                    Closing price on 10/18/2019
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                    | Open | 48.00 |  
                    | High | 48.20 |  
                    | Low | 46.50 |  
                    | Volume | 1,300 |  
                    | Split-adjusted Price | 46.50 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/18/2019 | -1.50 / -3.13% | 48.00 | 48.20 | 46.50 | 46.50 | 47.03 | 46.50 | 1,300 |   |  
            | 10/17/2019 | -4.00 / -7.69% | 49.00 | 49.00 | 48.00 | 48.00 | 48.79 | 48.00 | 1,400 |   |  			
            | 10/16/2019 | 0.00 / 0.00% | 52.00 | 52.00 | 49.60 | 52.00 | 51.53 | 49.30 | 7,700 |   |  
            | 10/15/2019 | +2.00 / +4.00% | 50.50 | 52.00 | 50.50 | 52.00 | 51.67 | 49.30 | 7,300 |   |  			
            | 10/14/2019 | +3.00 / +6.38% | 49.90 | 50.40 | 49.80 | 50.00 | 49.93 | 47.40 | 2,600 |   |  
            | 10/11/2019 | -1.00 / -2.08% | 49.40 | 50.00 | 47.00 | 47.00 | 49.64 | 44.56 | 4,200 |   |  			
            | 10/10/2019 | +0.20 / +0.42% | 48.90 | 49.00 | 48.00 | 48.00 | 48.92 | 45.51 | 1,300 |   |  
            | 10/9/2019 | -0.20 / -0.42% | 47.50 | 47.80 | 47.50 | 47.80 | 47.73 | 45.32 | 400 |   |  			
            | 10/8/2019 | +1.00 / +2.13% | 49.50 | 49.50 | 48.00 | 48.00 | 48.05 | 45.51 | 3,200 |   |  
            | 10/7/2019 | -0.10 / -0.21% | 49.00 | 49.50 | 47.00 | 47.00 | 49.17 | 44.56 | 900 |   |  			
            | 10/4/2019 | +0.90 / +1.95% | 47.10 | 47.30 | 47.10 | 47.10 | 47.27 | 44.65 | 1,300 |   |  
            | 10/3/2019 | +1.00 / +2.21% | 45.30 | 46.20 | 45.30 | 46.20 | 45.75 | 43.80 | 200 |   |  			
            | 10/2/2019 | +0.20 / +0.44% | 45.20 | 45.20 | 45.20 | 45.20 | 45.20 | 42.85 | 2,100 |   |  
            | 10/1/2019 | -0.50 / -1.10% | 45.00 | 45.00 | 45.00 | 45.00 | 45.00 | 42.66 | 4,500 |   |  			
            | 9/30/2019 | -0.10 / -0.22% | 43.00 | 45.50 | 42.20 | 45.50 | 43.08 | 43.14 | 2,200 |   |  
            | 9/27/2019 | 0.00 / 0.00% | 45.60 | 45.60 | 45.60 | 45.60 | 45.60 | 43.23 | 0 |   |  			
            | 9/26/2019 | 0.00 / 0.00% | 47.00 | 47.00 | 45.60 | 45.60 | 46.95 | 43.23 | 3,000 |   |  
            | 9/25/2019 | 0.00 / 0.00% | 45.60 | 45.60 | 45.60 | 45.60 | 45.60 | 43.23 | 0 |   |  			
            | 9/24/2019 | 0.00 / 0.00% | 45.60 | 45.60 | 45.60 | 45.60 | 45.60 | 43.23 | 300 |   |  
            | 9/23/2019 | 0.00 / 0.00% | 45.60 | 45.60 | 45.60 | 45.60 | 45.60 | 43.23 | 0 |   |  			
            | 9/20/2019 | 0.00 / 0.00% | 45.60 | 45.60 | 45.60 | 45.60 | 45.60 | 43.23 | 0 |   |  
            | 9/19/2019 | -2.60 / -5.39% | 50.00 | 50.00 | 45.60 | 45.60 | 46.86 | 43.23 | 700 |   |  			
            | 9/18/2019 | +2.90 / +6.40% | 48.20 | 48.20 | 48.20 | 48.20 | 48.20 | 45.70 | 100 |   |  
            | 9/17/2019 | +0.20 / +0.44% | 45.30 | 45.30 | 45.30 | 45.30 | 45.30 | 42.95 | 1,100 |   |  			
            | 9/16/2019 | 0.00 / 0.00% | 46.00 | 46.00 | 45.10 | 45.10 | 45.84 | 42.76 | 1,700 |   |  
            | 9/13/2019 | 0.00 / 0.00% | 45.10 | 45.10 | 45.10 | 45.10 | 45.10 | 42.76 | 2,300 |   |  			
            | 9/12/2019 | 0.00 / 0.00% | 45.10 | 45.10 | 45.10 | 45.10 | 45.10 | 42.76 | 0 |   |  
            | 9/11/2019 | -1.30 / -2.80% | 45.10 | 45.10 | 45.10 | 45.10 | 45.10 | 42.76 | 100 |   |  			
            | 9/10/2019 | +1.30 / +2.88% | 46.40 | 46.40 | 46.40 | 46.40 | 46.40 | 43.99 | 100 |   |  
            | 9/9/2019 | 0.00 / 0.00% | 46.40 | 46.40 | 45.10 | 45.10 | 45.99 | 42.76 | 3,200 |   |  |