| 
                 
                    Closing price on 10/17/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    49.00 | 
                 
                
                    | High | 
                    49.00 | 
                 
                
                    | Low | 
                    48.00 | 
                     
                
                    | Volume | 
                    1,400 | 
                                 
                
                    | Split-adjusted Price | 
                    48.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/17/2019
             | 
            
                -4.00 / -7.69%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.79
             |                     
            
                48.00
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                52.00
             |           
            
                52.00
             |               
            
                49.60
             |                           
            
                52.00
             | 
            
                51.53
             |                     
            
                49.30
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2019
             | 
            
                +2.00 / +4.00%
             |             
            
                50.50
             |           
            
                52.00
             |               
            
                50.50
             |                           
            
                52.00
             | 
            
                51.67
             |                     
            
                49.30
             |                                 
            
                7,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2019
             | 
            
                +3.00 / +6.38%
             |             
            
                49.90
             |           
            
                50.40
             |               
            
                49.80
             |                           
            
                50.00
             | 
            
                49.93
             |                     
            
                47.40
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2019
             | 
            
                -1.00 / -2.08%
             |             
            
                49.40
             |           
            
                50.00
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                49.64
             |                     
            
                44.56
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2019
             | 
            
                +0.20 / +0.42%
             |             
            
                48.90
             |           
            
                49.00
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.92
             |                     
            
                45.51
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2019
             | 
            
                -0.20 / -0.42%
             |             
            
                47.50
             |           
            
                47.80
             |               
            
                47.50
             |                           
            
                47.80
             | 
            
                47.73
             |                     
            
                45.32
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2019
             | 
            
                +1.00 / +2.13%
             |             
            
                49.50
             |           
            
                49.50
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.05
             |                     
            
                45.51
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2019
             | 
            
                -0.10 / -0.21%
             |             
            
                49.00
             |           
            
                49.50
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                49.17
             |                     
            
                44.56
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2019
             | 
            
                +0.90 / +1.95%
             |             
            
                47.10
             |           
            
                47.30
             |               
            
                47.10
             |                           
            
                47.10
             | 
            
                47.27
             |                     
            
                44.65
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2019
             | 
            
                +1.00 / +2.21%
             |             
            
                45.30
             |           
            
                46.20
             |               
            
                45.30
             |                           
            
                46.20
             | 
            
                45.75
             |                     
            
                43.80
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2019
             | 
            
                +0.20 / +0.44%
             |             
            
                45.20
             |           
            
                45.20
             |               
            
                45.20
             |                           
            
                45.20
             | 
            
                45.20
             |                     
            
                42.85
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2019
             | 
            
                -0.50 / -1.10%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                42.66
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2019
             | 
            
                -0.10 / -0.22%
             |             
            
                43.00
             |           
            
                45.50
             |               
            
                42.20
             |                           
            
                45.50
             | 
            
                43.08
             |                     
            
                43.14
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                45.60
             |           
            
                45.60
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                43.23
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2019
             | 
            
                0.00 / 0.00%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                46.95
             |                     
            
                43.23
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                45.60
             |           
            
                45.60
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                43.23
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2019
             | 
            
                0.00 / 0.00%
             |             
            
                45.60
             |           
            
                45.60
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                43.23
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                45.60
             |           
            
                45.60
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                43.23
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                45.60
             |           
            
                45.60
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                43.23
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2019
             | 
            
                -2.60 / -5.39%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                46.86
             |                     
            
                43.23
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2019
             | 
            
                +2.90 / +6.40%
             |             
            
                48.20
             |           
            
                48.20
             |               
            
                48.20
             |                           
            
                48.20
             | 
            
                48.20
             |                     
            
                45.70
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2019
             | 
            
                +0.20 / +0.44%
             |             
            
                45.30
             |           
            
                45.30
             |               
            
                45.30
             |                           
            
                45.30
             | 
            
                45.30
             |                     
            
                42.95
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                45.84
             |                     
            
                42.76
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                45.10
             |           
            
                45.10
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                45.10
             |                     
            
                42.76
             |                                 
            
                2,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                45.10
             |           
            
                45.10
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                45.10
             |                     
            
                42.76
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2019
             | 
            
                -1.30 / -2.80%
             |             
            
                45.10
             |           
            
                45.10
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                45.10
             |                     
            
                42.76
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2019
             | 
            
                +1.30 / +2.88%
             |             
            
                46.40
             |           
            
                46.40
             |               
            
                46.40
             |                           
            
                46.40
             | 
            
                46.40
             |                     
            
                43.99
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.40
             |           
            
                46.40
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                45.99
             |                     
            
                42.76
             |                                 
            
                3,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2019
             | 
            
                0.00 / 0.00%
             |             
            
                45.60
             |           
            
                46.00
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                45.29
             |                     
            
                42.76
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |