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                    Closing price on 9/8/2017
                 |  |  
    
        |           
                
                    | Open | 84.00 |  
                    | High | 84.10 |  
                    | Low | 83.80 |  
                    | Volume | 5,830 |  
                    | Split-adjusted Price | 74.69 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/8/2017 | 0.00 / 0.00% | 84.00 | 84.10 | 83.80 | 84.00 | 83.88 | 74.69 | 5,830 |   |  
            | 9/7/2017 | -0.50 / -0.59% | 84.50 | 84.50 | 83.80 | 84.00 | 84.11 | 74.69 | 8,282 |   |  			
            | 9/6/2017 | 0.00 / 0.00% | 84.50 | 84.60 | 84.00 | 84.50 | 84.46 | 75.14 | 4,300 |   |  
            | 9/5/2017 | -0.20 / -0.24% | 85.00 | 85.00 | 84.50 | 84.50 | 84.82 | 75.14 | 8,641 |   |  			
            | 9/1/2017 | -3.60 / -4.08% | 85.00 | 85.00 | 84.30 | 84.70 | 84.70 | 75.32 | 8,812 |   |  
            | 8/31/2017 | -1.20 / -1.34% | 89.50 | 89.50 | 87.90 | 88.30 | 88.40 | 74.96 | 53,383 |   |  			
            | 8/30/2017 | -0.40 / -0.44% | 90.00 | 90.00 | 89.10 | 89.50 | 89.54 | 75.98 | 21,410 |   |  
            | 8/29/2017 | 0.00 / 0.00% | 90.00 | 90.00 | 89.00 | 89.90 | 89.97 | 76.32 | 18,957 |   |  			
            | 8/28/2017 | +0.90 / +1.01% | 89.90 | 90.10 | 89.90 | 89.90 | 90.00 | 76.32 | 15,265 |   |  
            | 8/25/2017 | -1.10 / -1.22% | 90.00 | 91.00 | 89.00 | 89.00 | 89.95 | 75.56 | 43,004 |   |  			
            | 8/24/2017 | +0.10 / +0.11% | 90.70 | 91.00 | 90.00 | 90.10 | 90.47 | 76.49 | 30,497 |   |  
            | 8/23/2017 | +0.50 / +0.56% | 90.00 | 90.20 | 89.50 | 90.00 | 89.83 | 76.40 | 49,225 |   |  			
            | 8/22/2017 | -0.50 / -0.56% | 89.00 | 90.00 | 88.50 | 89.50 | 89.00 | 75.98 | 2,310 |   |  
            | 8/21/2017 | -1.00 / -1.10% | 90.10 | 90.50 | 90.00 | 90.00 | 90.16 | 76.40 | 37,038 |   |  			
            | 8/18/2017 | +0.90 / +1.00% | 90.10 | 91.40 | 90.00 | 91.00 | 90.40 | 77.25 | 39,440 |   |  
            | 8/17/2017 | -1.90 / -2.07% | 92.00 | 92.00 | 90.10 | 90.10 | 91.13 | 76.49 | 31,200 |   |  			
            | 8/16/2017 | +1.70 / +1.88% | 90.50 | 93.00 | 90.30 | 92.00 | 91.99 | 78.10 | 38,220 |   |  
            | 8/15/2017 | +1.50 / +1.69% | 88.80 | 90.70 | 88.80 | 90.30 | 90.40 | 76.66 | 49,974 |   |  			
            | 8/14/2017 | -0.60 / -0.67% | 89.90 | 89.90 | 88.80 | 88.80 | 89.51 | 75.39 | 4,830 |   |  
            | 8/11/2017 | -0.60 / -0.67% | 89.50 | 89.60 | 89.40 | 89.40 | 89.46 | 75.90 | 2,486 |   |  			
            | 8/10/2017 | +0.50 / +0.56% | 89.90 | 90.00 | 89.90 | 90.00 | 89.95 | 76.40 | 4,831 |   |  
            | 8/9/2017 | +1.30 / +1.47% | 90.00 | 92.00 | 89.00 | 89.50 | 90.39 | 75.98 | 53,670 |   |  			
            | 8/8/2017 | -0.50 / -0.56% | 89.00 | 89.00 | 88.00 | 88.20 | 88.51 | 74.88 | 9,750 |   |  
            | 8/7/2017 | -0.30 / -0.34% | 88.90 | 89.20 | 88.60 | 88.70 | 88.91 | 75.30 | 9,796 |   |  			
            | 8/4/2017 | 0.00 / 0.00% | 89.00 | 89.00 | 89.00 | 89.00 | 89.00 | 75.56 | 3,870 |   |  
            | 8/3/2017 | +0.40 / +0.45% | 88.90 | 89.40 | 88.60 | 89.00 | 89.06 | 75.56 | 8,400 |   |  			
            | 8/2/2017 | -1.40 / -1.56% | 89.00 | 89.00 | 88.60 | 88.60 | 88.68 | 75.22 | 3,823 |   |  
            | 8/1/2017 | -1.00 / -1.10% | 90.90 | 90.90 | 88.80 | 90.00 | 89.75 | 76.40 | 6,268 |   |  			
            | 7/31/2017 | -1.00 / -1.09% | 92.00 | 92.00 | 90.00 | 91.00 | 91.06 | 77.25 | 3,815 |   |  
            | 7/28/2017 | 0.00 / 0.00% | 92.00 | 92.00 | 92.00 | 92.00 | 92.00 | 78.10 | 2,175 |   |  |