| 
                 
                    Closing price on 12/19/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    40.20 | 
                 
                
                    | High | 
                    40.20 | 
                 
                
                    | Low | 
                    40.20 | 
                     
                
                    | Volume | 
                    100 | 
                                 
                
                    | Split-adjusted Price | 
                    38.11 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/19/2018
             | 
            
                -2.80 / -6.51%
             |             
            
                40.20
             |           
            
                40.20
             |               
            
                40.20
             |                           
            
                40.20
             | 
            
                40.20
             |                     
            
                38.11
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/18/2018
             | 
            
                -4.70 / -9.85%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                43.00
             |                           
            
                43.00
             | 
            
                43.83
             |                     
            
                40.77
             |                                 
            
                2,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2018
             | 
            
                +3.70 / +8.41%
             |             
            
                42.00
             |           
            
                47.70
             |               
            
                42.00
             |                           
            
                47.70
             | 
            
                46.89
             |                     
            
                45.22
             |                                 
            
                53,941
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2018
             | 
            
                -1.00 / -2.22%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                41.72
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                45.80
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.01
             |                     
            
                42.66
             |                                 
            
                15,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                42.66
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2018
             | 
            
                -0.90 / -1.96%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                42.66
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2018
             | 
            
                +0.70 / +1.55%
             |             
            
                45.90
             |           
            
                46.00
             |               
            
                45.90
             |                           
            
                45.90
             | 
            
                45.94
             |                     
            
                43.52
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2018
             | 
            
                -0.70 / -1.53%
             |             
            
                45.20
             |           
            
                45.20
             |               
            
                45.20
             |                           
            
                45.20
             | 
            
                45.20
             |                     
            
                42.85
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2018
             | 
            
                -1.10 / -2.34%
             |             
            
                45.90
             |           
            
                45.90
             |               
            
                45.90
             |                           
            
                45.90
             | 
            
                45.90
             |                     
            
                43.52
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2018
             | 
            
                +0.90 / +1.95%
             |             
            
                46.10
             |           
            
                47.00
             |               
            
                46.10
             |                           
            
                47.00
             | 
            
                46.22
             |                     
            
                44.56
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2018
             | 
            
                +0.60 / +1.32%
             |             
            
                45.70
             |           
            
                46.10
             |               
            
                45.70
             |                           
            
                46.10
             | 
            
                45.79
             |                     
            
                43.71
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.50
             |           
            
                45.50
             |               
            
                45.50
             |                           
            
                45.50
             | 
            
                45.50
             |                     
            
                43.14
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2018
             | 
            
                -3.40 / -6.95%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                45.50
             |                           
            
                45.50
             | 
            
                46.00
             |                     
            
                43.14
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2018
             | 
            
                +3.70 / +8.19%
             |             
            
                48.90
             |           
            
                48.90
             |               
            
                48.90
             |                           
            
                48.90
             | 
            
                48.90
             |                     
            
                46.36
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2018
             | 
            
                -0.20 / -0.44%
             |             
            
                45.40
             |           
            
                45.40
             |               
            
                45.20
             |                           
            
                45.20
             | 
            
                45.23
             |                     
            
                42.85
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2018
             | 
            
                +0.10 / +0.22%
             |             
            
                45.40
             |           
            
                45.40
             |               
            
                45.40
             |                           
            
                45.40
             | 
            
                45.40
             |                     
            
                43.04
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.30
             |           
            
                45.30
             |               
            
                45.30
             |                           
            
                45.30
             | 
            
                45.30
             |                     
            
                42.95
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2018
             | 
            
                +0.10 / +0.22%
             |             
            
                45.30
             |           
            
                45.30
             |               
            
                45.30
             |                           
            
                45.30
             | 
            
                45.30
             |                     
            
                42.95
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2018
             | 
            
                0.00 / 0.00%
             |             
            
                45.20
             |           
            
                45.20
             |               
            
                45.20
             |                           
            
                45.20
             | 
            
                45.20
             |                     
            
                42.85
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2018
             | 
            
                +0.10 / +0.22%
             |             
            
                45.20
             |           
            
                45.20
             |               
            
                45.20
             |                           
            
                45.20
             | 
            
                45.20
             |                     
            
                42.85
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2018
             | 
            
                +0.10 / +0.22%
             |             
            
                45.10
             |           
            
                45.10
             |               
            
                45.10
             |                           
            
                45.10
             | 
            
                45.10
             |                     
            
                42.76
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2018
             | 
            
                +2.50 / +5.88%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.89
             |                     
            
                42.66
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2018
             | 
            
                -4.10 / -8.80%
             |             
            
                46.60
             |           
            
                46.70
             |               
            
                42.50
             |                           
            
                42.50
             | 
            
                46.28
             |                     
            
                40.29
             |                                 
            
                3,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2018
             | 
            
                -1.50 / -3.12%
             |             
            
                48.10
             |           
            
                48.10
             |               
            
                46.60
             |                           
            
                46.60
             | 
            
                47.63
             |                     
            
                44.18
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2018
             | 
            
                +0.60 / +1.26%
             |             
            
                48.10
             |           
            
                48.10
             |               
            
                48.10
             |                           
            
                48.10
             | 
            
                48.10
             |                     
            
                45.60
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2018
             | 
            
                -0.50 / -1.04%
             |             
            
                47.50
             |           
            
                47.50
             |               
            
                47.50
             |                           
            
                47.50
             | 
            
                47.50
             |                     
            
                45.03
             |                                 
            
                141
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2018
             | 
            
                -1.90 / -3.81%
             |             
            
                50.00
             |           
            
                51.90
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                51.69
             |                     
            
                45.51
             |                                 
            
                10,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2018
             | 
            
                +0.90 / +1.84%
             |             
            
                52.90
             |           
            
                53.80
             |               
            
                48.00
             |                           
            
                49.90
             | 
            
                52.96
             |                     
            
                47.31
             |                                 
            
                12,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2018
             | 
            
                +3.20 / +6.99%
             |             
            
                50.30
             |           
            
                50.30
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                50.29
             |                     
            
                46.46
             |                                 
            
                12,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |