| 
    
        
            | 
                    Closing price on 1/22/2018
                 |  |  
    
        |           
                
                    | Open | 90.00 |  
                    | High | 90.00 |  
                    | Low | 89.00 |  
                    | Volume | 1,103 |  
                    | Split-adjusted Price | 79.85 |  
                
             | 
 |  MAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/22/2018 | -0.20 / -0.22% | 90.00 | 90.00 | 89.00 | 89.80 | 89.55 | 79.85 | 1,103 |   |  
            | 1/19/2018 | +0.20 / +0.22% | 90.00 | 90.00 | 90.00 | 90.00 | 90.00 | 80.03 | 1,845 |   |  			
            | 1/18/2018 | +0.20 / +0.22% | 90.00 | 90.00 | 89.60 | 89.80 | 89.65 | 79.85 | 1,538 |   |  
            | 1/17/2018 | 0.00 / 0.00% | 89.60 | 89.60 | 89.60 | 89.60 | 89.60 | 79.67 | 3,000 |   |  			
            | 1/16/2018 | +0.10 / +0.11% | 89.50 | 89.70 | 89.50 | 89.60 | 89.53 | 79.67 | 1,904 |   |  
            | 1/15/2018 | 0.00 / 0.00% | 89.20 | 89.50 | 89.20 | 89.50 | 89.35 | 79.59 | 626 |   |  			
            | 1/12/2018 | +0.30 / +0.34% | 89.20 | 89.50 | 89.20 | 89.50 | 89.49 | 79.59 | 5,200 |   |  
            | 1/11/2018 | +0.20 / +0.22% | 89.00 | 89.20 | 89.00 | 89.20 | 89.18 | 79.32 | 2,000 |   |  			
            | 1/10/2018 | +0.50 / +0.56% | 88.50 | 89.20 | 88.50 | 89.00 | 89.00 | 79.14 | 16,675 |   |  
            | 1/9/2018 | 0.00 / 0.00% | 88.00 | 89.00 | 88.00 | 88.50 | 88.49 | 78.70 | 8,075 |   |  			
            | 1/8/2018 | -0.50 / -0.56% | 89.00 | 89.00 | 88.10 | 88.50 | 88.84 | 78.70 | 6,800 |   |  
            | 1/5/2018 | +0.10 / +0.11% | 89.20 | 89.20 | 89.00 | 89.00 | 89.13 | 79.14 | 10,140 |   |  			
            | 1/4/2018 | +1.40 / +1.60% | 88.50 | 88.90 | 88.00 | 88.90 | 88.46 | 79.05 | 7,510 |   |  
            | 1/3/2018 | -1.50 / -1.69% | 89.50 | 89.50 | 87.50 | 87.50 | 88.34 | 77.81 | 21,101 |   |  			
            | 1/2/2018 | -0.80 / -0.89% | 89.10 | 89.10 | 89.00 | 89.00 | 89.02 | 79.14 | 1,320 |   |  
            | 12/29/2017 | +0.80 / +0.90% | 89.10 | 89.80 | 89.10 | 89.80 | 89.57 | 79.85 | 4,100 |   |  			
            | 12/28/2017 | -0.60 / -0.67% | 89.60 | 89.60 | 89.00 | 89.00 | 89.56 | 79.14 | 2,600 |   |  
            | 12/27/2017 | -0.40 / -0.44% | 90.00 | 90.00 | 89.60 | 89.60 | 89.95 | 79.67 | 7,000 |   |  			
            | 12/26/2017 | 0.00 / 0.00% | 90.00 | 90.00 | 90.00 | 90.00 | 90.00 | 80.03 | 5,226 |   |  
            | 12/25/2017 | +1.00 / +1.12% | 90.50 | 90.50 | 90.00 | 90.00 | 90.25 | 80.03 | 5,658 |   |  			
            | 12/22/2017 | 0.00 / 0.00% | 88.80 | 89.90 | 88.80 | 89.00 | 88.98 | 79.14 | 2,900 |   |  
            | 12/21/2017 | 0.00 / 0.00% | 92.00 | 93.00 | 87.50 | 89.00 | 89.88 | 79.14 | 3,600 |   |  			
            | 12/20/2017 | -0.50 / -0.56% | 89.50 | 89.50 | 89.00 | 89.00 | 89.18 | 79.14 | 600 |   |  
            | 12/19/2017 | -0.50 / -0.56% | 90.00 | 90.00 | 89.10 | 89.50 | 89.44 | 79.59 | 9,000 |   |  			
            | 12/18/2017 | +0.20 / +0.22% | 90.00 | 90.50 | 90.00 | 90.00 | 90.04 | 80.03 | 4,228 |   |  
            | 12/15/2017 | +0.40 / +0.45% | 89.40 | 89.80 | 89.00 | 89.80 | 89.53 | 79.85 | 3,400 |   |  			
            | 12/14/2017 | +0.10 / +0.11% | 89.30 | 89.40 | 89.00 | 89.40 | 89.26 | 79.50 | 1,039 |   |  
            | 12/13/2017 | +0.30 / +0.34% | 89.50 | 89.50 | 89.00 | 89.30 | 89.16 | 79.41 | 700 |   |  			
            | 12/12/2017 | -4.00 / -4.30% | 92.60 | 92.60 | 89.00 | 89.00 | 91.45 | 79.14 | 6,000 |   |  
            | 12/11/2017 | +2.50 / +2.76% | 90.50 | 93.50 | 89.80 | 93.00 | 90.60 | 82.70 | 51,669 |   |  |