| 
                 
                    Closing price on 9/19/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    50.00 | 
                 
                
                    | High | 
                    50.00 | 
                 
                
                    | Low | 
                    45.60 | 
                     
                
                    | Volume | 
                    700 | 
                                 
                
                    | Split-adjusted Price | 
                    43.23 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2019
             | 
            
                +0.60 / +1.35%
             |             
            
                44.60
             |           
            
                46.00
             |               
            
                44.60
             |                           
            
                45.10
             | 
            
                45.29
             |                     
            
                42.76
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2019
             | 
            
                0.00 / 0.00%
             |             
            
                44.50
             |           
            
                44.50
             |               
            
                44.50
             |                           
            
                44.50
             | 
            
                44.50
             |                     
            
                42.19
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2019
             | 
            
                +0.20 / +0.45%
             |             
            
                45.00
             |           
            
                46.00
             |               
            
                44.50
             |                           
            
                44.50
             | 
            
                45.17
             |                     
            
                42.19
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2019
             | 
            
                +0.30 / +0.68%
             |             
            
                44.00
             |           
            
                44.50
             |               
            
                44.00
             |                           
            
                44.30
             | 
            
                44.14
             |                     
            
                42.00
             |                                 
            
                6,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2019
             | 
            
                0.00 / 0.00%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                41.72
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2019
             | 
            
                -1.40 / -3.08%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                41.72
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                45.40
             |           
            
                45.40
             |               
            
                45.40
             |                           
            
                45.40
             | 
            
                45.40
             |                     
            
                43.04
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2019
             | 
            
                +0.40 / +0.89%
             |             
            
                45.40
             |           
            
                45.40
             |               
            
                45.40
             |                           
            
                45.40
             | 
            
                45.40
             |                     
            
                43.04
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2019
             | 
            
                +1.80 / +4.17%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                42.66
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2019
             | 
            
                +0.20 / +0.47%
             |             
            
                43.20
             |           
            
                43.20
             |               
            
                43.20
             |                           
            
                43.20
             | 
            
                43.20
             |                     
            
                40.96
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2019
             | 
            
                +0.40 / +0.94%
             |             
            
                46.80
             |           
            
                46.80
             |               
            
                43.00
             |                           
            
                43.00
             | 
            
                45.20
             |                     
            
                40.77
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                42.60
             |           
            
                42.60
             |               
            
                42.60
             |                           
            
                42.60
             | 
            
                42.60
             |                     
            
                40.39
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2019
             | 
            
                -0.40 / -0.93%
             |             
            
                42.60
             |           
            
                42.60
             |               
            
                42.60
             |                           
            
                42.60
             | 
            
                42.60
             |                     
            
                40.39
             |                                 
            
                1,010
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2019
             | 
            
                +1.90 / +4.62%
             |             
            
                42.00
             |           
            
                43.00
             |               
            
                42.00
             |                           
            
                43.00
             | 
            
                42.25
             |                     
            
                40.77
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2019
             | 
            
                -1.90 / -4.42%
             |             
            
                42.50
             |           
            
                43.00
             |               
            
                41.10
             |                           
            
                41.10
             | 
            
                42.78
             |                     
            
                38.97
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2019
             | 
            
                +2.50 / +6.17%
             |             
            
                42.50
             |           
            
                43.00
             |               
            
                42.50
             |                           
            
                43.00
             | 
            
                42.72
             |                     
            
                40.77
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2019
             | 
            
                -3.10 / -7.11%
             |             
            
                40.50
             |           
            
                40.50
             |               
            
                40.50
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                38.40
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2019
             | 
            
                -0.40 / -0.91%
             |             
            
                43.60
             |           
            
                43.60
             |               
            
                43.60
             |                           
            
                43.60
             | 
            
                43.60
             |                     
            
                41.34
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                41.72
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2019
             | 
            
                -0.30 / -0.68%
             |             
            
                44.50
             |           
            
                44.50
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.45
             |                     
            
                41.72
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |