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                    Closing price on 1/17/2020
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        |           
                
                    | Open | 48.00 |  
                    | High | 48.00 |  
                    | Low | 48.00 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 48.00 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/17/2020 | 0.00 / 0.00% | 48.00 | 48.00 | 48.00 | 48.00 | 48.00 | 48.00 | 0 |   |  
            | 1/16/2020 | 0.00 / 0.00% | 48.00 | 48.00 | 48.00 | 48.00 | 48.00 | 48.00 | 0 |   |  			
            | 1/15/2020 | 0.00 / 0.00% | 48.00 | 48.00 | 48.00 | 48.00 | 48.00 | 48.00 | 0 |   |  
            | 1/14/2020 | +4.00 / +9.09% | 45.00 | 48.00 | 45.00 | 48.00 | 45.10 | 48.00 | 2,900 |   |  			
            | 1/13/2020 | 0.00 / 0.00% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 0 |   |  
            | 1/10/2020 | 0.00 / 0.00% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 0 |   |  			
            | 1/9/2020 | 0.00 / 0.00% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 0 |   |  
            | 1/8/2020 | -1.40 / -3.08% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 100 |   |  			
            | 1/7/2020 | -0.60 / -1.30% | 45.40 | 45.40 | 45.40 | 45.40 | 45.40 | 45.40 | 100 |   |  
            | 1/6/2020 | -5.00 / -9.80% | 50.50 | 50.50 | 46.00 | 46.00 | 49.32 | 46.00 | 1,100 |   |  			
            | 1/3/2020 | -1.90 / -3.59% | 52.00 | 52.00 | 51.00 | 51.00 | 51.30 | 51.00 | 500 |   |  
            | 1/2/2020 | -0.30 / -0.56% | 52.80 | 52.90 | 52.80 | 52.90 | 52.85 | 52.90 | 200 |   |  			
            | 12/31/2019 | +0.20 / +0.38% | 53.20 | 53.20 | 53.20 | 53.20 | 53.20 | 53.20 | 1,400 |   |  
            | 12/30/2019 | 0.00 / 0.00% | 53.00 | 53.00 | 53.00 | 53.00 | 53.00 | 53.00 | 0 |   |  			
            | 12/27/2019 | 0.00 / 0.00% | 53.00 | 53.00 | 53.00 | 53.00 | 53.00 | 53.00 | 0 |   |  
            | 12/26/2019 | 0.00 / 0.00% | 53.00 | 53.00 | 53.00 | 53.00 | 53.00 | 53.00 | 0 |   |  			
            | 12/25/2019 | 0.00 / 0.00% | 53.00 | 53.00 | 53.00 | 53.00 | 53.00 | 53.00 | 195,000 |   |  
            | 12/24/2019 | +3.00 / +6.00% | 45.50 | 53.00 | 45.50 | 53.00 | 50.00 | 53.00 | 5,500 |   |  			
            | 12/23/2019 | +3.60 / +7.76% | 50.00 | 50.00 | 50.00 | 50.00 | 50.00 | 50.00 | 3,000 |   |  
            | 12/20/2019 | 0.00 / 0.00% | 46.40 | 46.40 | 46.40 | 46.40 | 46.40 | 46.40 | 0 |   |  			
            | 12/19/2019 | -0.50 / -1.07% | 46.40 | 46.40 | 46.40 | 46.40 | 46.40 | 46.40 | 100 |   |  
            | 12/18/2019 | 0.00 / 0.00% | 46.90 | 46.90 | 46.90 | 46.90 | 46.90 | 46.90 | 0 |   |  			
            | 12/17/2019 | -0.40 / -0.85% | 44.00 | 46.90 | 44.00 | 46.90 | 44.16 | 46.90 | 1,800 |   |  
            | 12/16/2019 | +3.30 / +7.50% | 44.00 | 47.30 | 44.00 | 47.30 | 44.08 | 47.30 | 4,100 |   |  			
            | 12/13/2019 | -0.20 / -0.45% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 1,800 |   |  
            | 12/12/2019 | +0.20 / +0.45% | 45.60 | 45.60 | 44.00 | 44.20 | 44.34 | 44.20 | 2,400 |   |  			
            | 12/11/2019 | -3.00 / -6.38% | 47.00 | 47.00 | 44.00 | 44.00 | 46.50 | 44.00 | 600 |   |  
            | 12/10/2019 | 0.00 / 0.00% | 47.00 | 47.00 | 47.00 | 47.00 | 47.00 | 47.00 | 0 |   |  			
            | 12/9/2019 | -1.40 / -2.89% | 47.00 | 47.00 | 47.00 | 47.00 | 47.00 | 47.00 | 100 |   |  
            | 12/6/2019 | +0.10 / +0.21% | 48.40 | 48.40 | 48.40 | 48.40 | 48.40 | 48.40 | 100 |   |  |