| 
                 
                    Closing price on 3/31/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    38.90 | 
                 
                
                    | High | 
                    38.90 | 
                 
                
                    | Low | 
                    37.30 | 
                     
                
                    | Volume | 
                    1,300 | 
                                 
                
                    | Split-adjusted Price | 
                    37.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/31/2021
             | 
            
                -1.40 / -3.60%
             |             
            
                38.90
             |           
            
                38.90
             |               
            
                37.30
             |                           
            
                37.50
             | 
            
                37.47
             |                     
            
                37.50
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2021
             | 
            
                +0.10 / +0.26%
             |             
            
                38.80
             |           
            
                38.90
             |               
            
                36.50
             |                           
            
                38.90
             | 
            
                38.31
             |                     
            
                38.90
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2021
             | 
            
                0.00 / 0.00%
             |             
            
                38.80
             |           
            
                38.80
             |               
            
                38.80
             |                           
            
                38.80
             | 
            
                38.80
             |                     
            
                38.80
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2021
             | 
            
                -0.20 / -0.51%
             |             
            
                38.90
             |           
            
                39.00
             |               
            
                38.50
             |                           
            
                38.80
             | 
            
                38.74
             |                     
            
                38.80
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2021
             | 
            
                -0.50 / -1.27%
             |             
            
                37.60
             |           
            
                39.40
             |               
            
                37.60
             |                           
            
                39.00
             | 
            
                38.98
             |                     
            
                39.00
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2021
             | 
            
                +1.00 / +2.60%
             |             
            
                39.00
             |           
            
                39.50
             |               
            
                38.00
             |                           
            
                39.50
             | 
            
                39.00
             |                     
            
                39.50
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2021
             | 
            
                -1.00 / -2.53%
             |             
            
                37.10
             |           
            
                38.50
             |               
            
                37.10
             |                           
            
                38.50
             | 
            
                37.45
             |                     
            
                38.50
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2021
             | 
            
                +0.50 / +1.28%
             |             
            
                39.00
             |           
            
                39.50
             |               
            
                38.80
             |                           
            
                39.50
             | 
            
                39.05
             |                     
            
                39.50
             |                                 
            
                3,101
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2021
             | 
            
                -0.30 / -0.76%
             |             
            
                39.30
             |           
            
                39.30
             |               
            
                38.50
             |                           
            
                39.00
             | 
            
                38.87
             |                     
            
                39.00
             |                                 
            
                1,920
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2021
             | 
            
                +0.30 / +0.77%
             |             
            
                39.50
             |           
            
                39.50
             |               
            
                39.00
             |                           
            
                39.30
             | 
            
                39.27
             |                     
            
                39.30
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2021
             | 
            
                0.00 / 0.00%
             |             
            
                38.90
             |           
            
                39.00
             |               
            
                37.00
             |                           
            
                39.00
             | 
            
                38.39
             |                     
            
                39.00
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2021
             | 
            
                +1.00 / +2.63%
             |             
            
                39.00
             |           
            
                39.50
             |               
            
                39.00
             |                           
            
                39.00
             | 
            
                39.05
             |                     
            
                39.00
             |                                 
            
                4,305
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2021
             | 
            
                -1.00 / -2.56%
             |             
            
                38.00
             |           
            
                39.00
             |               
            
                37.90
             |                           
            
                38.00
             | 
            
                38.41
             |                     
            
                38.00
             |                                 
            
                725
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2021
             | 
            
                +1.30 / +3.45%
             |             
            
                37.40
             |           
            
                40.00
             |               
            
                37.40
             |                           
            
                39.00
             | 
            
                37.80
             |                     
            
                39.00
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2021
             | 
            
                +0.50 / +1.34%
             |             
            
                40.00
             |           
            
                40.00
             |               
            
                37.70
             |                           
            
                37.70
             | 
            
                38.70
             |                     
            
                37.70
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2021
             | 
            
                0.00 / 0.00%
             |             
            
                37.20
             |           
            
                38.00
             |               
            
                37.20
             |                           
            
                37.20
             | 
            
                37.37
             |                     
            
                37.20
             |                                 
            
                4,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2021
             | 
            
                -1.60 / -4.12%
             |             
            
                38.80
             |           
            
                39.00
             |               
            
                37.20
             |                           
            
                37.20
             | 
            
                38.69
             |                     
            
                37.20
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2021
             | 
            
                -0.20 / -0.51%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                38.80
             |                           
            
                38.80
             | 
            
                38.91
             |                     
            
                38.80
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2021
             | 
            
                +0.50 / +1.30%
             |             
            
                38.50
             |           
            
                39.00
             |               
            
                37.00
             |                           
            
                39.00
             | 
            
                38.63
             |                     
            
                39.00
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2021
             | 
            
                0.00 / 0.00%
             |             
            
                38.00
             |           
            
                38.50
             |               
            
                37.50
             |                           
            
                38.50
             | 
            
                38.17
             |                     
            
                38.50
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2021
             | 
            
                +0.60 / +1.58%
             |             
            
                37.90
             |           
            
                38.50
             |               
            
                37.90
             |                           
            
                38.50
             | 
            
                38.20
             |                     
            
                38.50
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2021
             | 
            
                0.00 / 0.00%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                37.90
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                37.90
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2021
             | 
            
                -0.10 / -0.26%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                37.00
             |                           
            
                37.90
             | 
            
                37.62
             |                     
            
                37.90
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2021
             | 
            
                +0.80 / +2.15%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                37.90
             |                           
            
                38.00
             | 
            
                37.95
             |                     
            
                38.00
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2021
             | 
            
                0.00 / 0.00%
             |             
            
                37.20
             |           
            
                37.20
             |               
            
                37.20
             |                           
            
                37.20
             | 
            
                37.20
             |                     
            
                37.20
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2021
             | 
            
                -0.80 / -2.11%
             |             
            
                41.00
             |           
            
                41.00
             |               
            
                37.20
             |                           
            
                37.20
             | 
            
                39.10
             |                     
            
                37.20
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2021
             | 
            
                +1.50 / +4.11%
             |             
            
                36.50
             |           
            
                38.00
             |               
            
                36.50
             |                           
            
                38.00
             | 
            
                37.33
             |                     
            
                38.00
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2021
             | 
            
                -2.00 / -5.19%
             |             
            
                36.00
             |           
            
                38.30
             |               
            
                35.10
             |                           
            
                36.50
             | 
            
                36.30
             |                     
            
                36.50
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2021
             | 
            
                0.00 / 0.00%
             |             
            
                38.00
             |           
            
                42.00
             |               
            
                38.00
             |                           
            
                38.50
             | 
            
                38.95
             |                     
            
                38.50
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2021
             | 
            
                +2.80 / +7.84%
             |             
            
                37.40
             |           
            
                39.00
             |               
            
                37.40
             |                           
            
                38.50
             | 
            
                38.35
             |                     
            
                38.50
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |