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            | 
                    Closing price on 1/6/2017
                 |  |  
    
        |           
                
                    | Open | 142.00 |  
                    | High | 142.50 |  
                    | Low | 142.00 |  
                    | Volume | 1,400 |  
                    | Split-adjusted Price | 82.03 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/6/2017 | +0.10 / +0.07% | 142.00 | 142.50 | 142.00 | 142.00 | 142.18 | 82.03 | 1,400 |   |  
            | 1/5/2017 | 0.00 / 0.00% | 141.90 | 141.90 | 141.90 | 141.90 | 141.90 | 81.97 | 10 |   |  			
            | 1/4/2017 | -0.10 / -0.07% | 141.80 | 142.10 | 141.00 | 141.90 | 141.86 | 81.97 | 5,500 |   |  
            | 1/3/2017 | -13.10 / -8.45% | 142.00 | 146.00 | 142.00 | 142.00 | 143.64 | 82.03 | 4,410 |   |  			
            | 12/30/2016 | +14.10 / +10.00% | 155.10 | 155.10 | 155.10 | 155.10 | 155.10 | 89.60 | 16,900 |   |  
            | 12/29/2016 | +2.00 / +1.44% | 140.00 | 141.00 | 139.00 | 141.00 | 139.58 | 81.45 | 4,100 |   |  			
            | 12/28/2016 | +2.00 / +1.46% | 141.00 | 141.00 | 137.50 | 139.00 | 139.63 | 80.30 | 2,110 |   |  
            | 12/27/2016 | -4.50 / -3.18% | 141.00 | 141.00 | 137.00 | 137.00 | 137.93 | 79.14 | 10,028 |   |  			
            | 12/26/2016 | -1.50 / -1.05% | 143.00 | 143.00 | 140.20 | 141.50 | 141.57 | 81.74 | 9,300 |   |  
            | 12/23/2016 | -0.80 / -0.56% | 143.50 | 143.80 | 143.00 | 143.00 | 143.28 | 82.61 | 7,300 |   |  			
            | 12/22/2016 | -1.20 / -0.83% | 144.00 | 147.00 | 143.80 | 143.80 | 144.21 | 83.07 | 4,900 |   |  
            | 12/21/2016 | -3.00 / -2.03% | 145.00 | 145.00 | 143.20 | 145.00 | 143.92 | 83.76 | 5,100 |   |  			
            | 12/20/2016 | +0.10 / +0.07% | 149.00 | 149.00 | 148.00 | 148.00 | 148.50 | 85.50 | 600 |   |  
            | 12/19/2016 | +0.40 / +0.27% | 148.00 | 148.50 | 147.90 | 147.90 | 148.21 | 85.44 | 2,300 |   |  			
            | 12/16/2016 | 0.00 / 0.00% | 148.00 | 148.50 | 145.00 | 147.50 | 147.17 | 85.21 | 2,600 |   |  
            | 12/15/2016 | -1.00 / -0.67% | 148.50 | 148.50 | 147.00 | 147.50 | 148.02 | 85.21 | 7,400 |   |  			
            | 12/14/2016 | -0.50 / -0.34% | 148.00 | 148.50 | 148.00 | 148.50 | 148.32 | 85.78 | 2,800 |   |  
            | 12/13/2016 | +3.00 / +2.05% | 147.00 | 149.00 | 147.00 | 149.00 | 148.40 | 86.07 | 1,091 |   |  			
            | 12/12/2016 | -3.00 / -2.01% | 148.00 | 148.00 | 146.00 | 146.00 | 146.56 | 84.34 | 2,033 |   |  
            | 12/9/2016 | +1.00 / +0.68% | 149.00 | 149.00 | 147.00 | 149.00 | 148.28 | 86.07 | 3,300 |   |  			
            | 12/8/2016 | -2.00 / -1.33% | 149.00 | 149.50 | 148.00 | 148.00 | 148.78 | 85.50 | 3,400 |   |  
            | 12/7/2016 | 0.00 / 0.00% | 150.00 | 150.00 | 150.00 | 150.00 | 150.00 | 86.65 | 300 |   |  			
            | 12/6/2016 | -1.00 / -0.66% | 150.50 | 150.50 | 150.00 | 150.00 | 150.14 | 86.65 | 2,500 |   |  
            | 12/5/2016 | 0.00 / 0.00% | 151.00 | 151.00 | 151.00 | 151.00 | 151.00 | 87.23 | 3,200 |   |  			
            | 12/2/2016 | +0.70 / +0.47% | 150.50 | 151.50 | 150.50 | 151.00 | 151.32 | 87.23 | 3,008 |   |  
            | 12/1/2016 | +0.20 / +0.13% | 151.00 | 151.00 | 150.20 | 150.30 | 150.39 | 86.82 | 1,400 |   |  			
            | 11/30/2016 | +0.10 / +0.07% | 150.00 | 151.50 | 150.00 | 150.10 | 150.56 | 86.71 | 900 |   |  
            | 11/29/2016 | 0.00 / 0.00% | 150.00 | 150.00 | 150.00 | 150.00 | 150.00 | 86.65 | 802 |   |  			
            | 11/28/2016 | -0.50 / -0.33% | 151.00 | 151.00 | 150.00 | 150.00 | 150.50 | 86.65 | 4,200 |   |  
            | 11/25/2016 | -0.50 / -0.33% | 151.00 | 151.00 | 150.50 | 150.50 | 150.83 | 86.94 | 1,800 |   |  |