| 
                 
                    Closing price on 11/8/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    50.30 | 
                 
                
                    | High | 
                    50.30 | 
                 
                
                    | Low | 
                    49.00 | 
                     
                
                    | Volume | 
                    12,000 | 
                                 
                
                    | Split-adjusted Price | 
                    46.46 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/8/2018
             | 
            
                +3.20 / +6.99%
             |             
            
                50.30
             |           
            
                50.30
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                50.29
             |                     
            
                46.46
             |                                 
            
                12,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2018
             | 
            
                -1.20 / -2.55%
             |             
            
                46.00
             |           
            
                46.10
             |               
            
                45.70
             |                           
            
                45.80
             | 
            
                45.74
             |                     
            
                43.42
             |                                 
            
                10,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2018
             | 
            
                +0.90 / +1.95%
             |             
            
                45.20
             |           
            
                47.00
             |               
            
                45.20
             |                           
            
                47.00
             | 
            
                45.30
             |                     
            
                44.56
             |                                 
            
                13,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2018
             | 
            
                -3.90 / -7.80%
             |             
            
                45.50
             |           
            
                48.00
             |               
            
                45.00
             |                           
            
                46.10
             | 
            
                45.20
             |                     
            
                43.71
             |                                 
            
                13,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2018
             | 
            
                +2.00 / +4.17%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                47.40
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2018
             | 
            
                -1.90 / -3.81%
             |             
            
                53.90
             |           
            
                53.90
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                53.56
             |                     
            
                45.51
             |                                 
            
                10,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2018
             | 
            
                +3.80 / +8.24%
             |             
            
                48.00
             |           
            
                50.60
             |               
            
                48.00
             |                           
            
                49.90
             | 
            
                49.97
             |                     
            
                47.31
             |                                 
            
                110,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2018
             | 
            
                +1.10 / +2.44%
             |             
            
                45.00
             |           
            
                48.40
             |               
            
                45.00
             |                           
            
                46.10
             | 
            
                45.98
             |                     
            
                43.71
             |                                 
            
                57,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2018
             | 
            
                +0.40 / +0.90%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                44.70
             |                           
            
                45.00
             | 
            
                44.81
             |                     
            
                42.66
             |                                 
            
                17,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2018
             | 
            
                +0.10 / +0.22%
             |             
            
                44.50
             |           
            
                44.60
             |               
            
                44.50
             |                           
            
                44.60
             | 
            
                44.58
             |                     
            
                42.28
             |                                 
            
                13,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2018
             | 
            
                -0.60 / -1.33%
             |             
            
                44.00
             |           
            
                44.50
             |               
            
                44.00
             |                           
            
                44.50
             | 
            
                44.12
             |                     
            
                42.19
             |                                 
            
                11,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2018
             | 
            
                -2.40 / -5.05%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                46.53
             |                     
            
                42.76
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2018
             | 
            
                -2.00 / -4.04%
             |             
            
                47.50
             |           
            
                47.50
             |               
            
                47.50
             |                           
            
                47.50
             | 
            
                47.50
             |                     
            
                45.03
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2018
             | 
            
                +3.40 / +7.38%
             |             
            
                46.10
             |           
            
                49.50
             |               
            
                46.10
             |                           
            
                49.50
             | 
            
                46.41
             |                     
            
                46.93
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2018
             | 
            
                -2.50 / -5.14%
             |             
            
                46.10
             |           
            
                46.10
             |               
            
                46.10
             |                           
            
                46.10
             | 
            
                46.10
             |                     
            
                43.71
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2018
             | 
            
                +1.60 / +3.40%
             |             
            
                47.00
             |           
            
                48.60
             |               
            
                47.00
             |                           
            
                48.60
             | 
            
                47.20
             |                     
            
                46.08
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2018
             | 
            
                +0.10 / +0.21%
             |             
            
                46.90
             |           
            
                47.00
             |               
            
                46.90
             |                           
            
                47.00
             | 
            
                46.99
             |                     
            
                44.56
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2018
             | 
            
                +3.80 / +8.82%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                46.90
             |                           
            
                46.90
             | 
            
                46.98
             |                     
            
                44.46
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                43.10
             |           
            
                43.10
             |               
            
                43.10
             |                           
            
                43.10
             | 
            
                43.10
             |                     
            
                40.86
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2018
             | 
            
                -1.90 / -4.22%
             |             
            
                44.90
             |           
            
                44.90
             |               
            
                43.10
             |                           
            
                43.10
             | 
            
                43.55
             |                     
            
                40.86
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                44.00
             |                           
            
                45.00
             | 
            
                44.08
             |                     
            
                42.66
             |                                 
            
                10,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                42.66
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2018
             | 
            
                +0.30 / +0.67%
             |             
            
                44.30
             |           
            
                46.00
             |               
            
                44.20
             |                           
            
                45.00
             | 
            
                44.53
             |                     
            
                42.66
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2018
             | 
            
                -4.50 / -9.15%
             |             
            
                46.10
             |           
            
                46.30
             |               
            
                44.70
             |                           
            
                44.70
             | 
            
                46.04
             |                     
            
                42.38
             |                                 
            
                4,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2018
             | 
            
                -4.80 / -8.89%
             |             
            
                49.20
             |           
            
                52.00
             |               
            
                49.00
             |                           
            
                49.20
             | 
            
                49.17
             |                     
            
                46.65
             |                                 
            
                16,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                54.00
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                51.20
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2018
             | 
            
                -1.00 / -1.82%
             |             
            
                58.40
             |           
            
                58.40
             |               
            
                53.00
             |                           
            
                54.00
             | 
            
                54.89
             |                     
            
                51.20
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2018
             | 
            
                0.00 / 0.00%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                54.50
             |                           
            
                55.00
             | 
            
                54.98
             |                     
            
                52.14
             |                                 
            
                9,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2018
             | 
            
                -0.50 / -0.90%
             |             
            
                55.10
             |           
            
                60.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.68
             |                     
            
                52.14
             |                                 
            
                16,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2018
             | 
            
                +5.00 / +9.90%
             |             
            
                50.00
             |           
            
                55.50
             |               
            
                50.00
             |                           
            
                55.50
             | 
            
                53.06
             |                     
            
                52.62
             |                                 
            
                13,100
             |  
            
                 
             |                                                              
             
    
         
    
    
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