| 
                 
                    Closing price on 3/15/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    46.70 | 
                 
                
                    | High | 
                    46.70 | 
                 
                
                    | Low | 
                    46.70 | 
                     
                
                    | Volume | 
                    1,000 | 
                                 
                
                    | Split-adjusted Price | 
                    44.28 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.70
             |           
            
                46.70
             |               
            
                46.70
             |                           
            
                46.70
             | 
            
                46.70
             |                     
            
                44.28
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2019
             | 
            
                +0.20 / +0.43%
             |             
            
                46.70
             |           
            
                46.70
             |               
            
                46.70
             |                           
            
                46.70
             | 
            
                46.70
             |                     
            
                44.28
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.50
             |               
            
                46.00
             |                           
            
                46.50
             | 
            
                46.15
             |                     
            
                44.09
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2019
             | 
            
                -0.50 / -1.06%
             |             
            
                46.00
             |           
            
                46.50
             |               
            
                46.00
             |                           
            
                46.50
             | 
            
                46.31
             |                     
            
                44.09
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                47.00
             |               
            
                46.00
             |                           
            
                47.00
             | 
            
                46.62
             |                     
            
                44.56
             |                                 
            
                7,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2019
             | 
            
                0.00 / 0.00%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                44.56
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2019
             | 
            
                +1.00 / +2.17%
             |             
            
                46.00
             |           
            
                47.00
             |               
            
                46.00
             |                           
            
                47.00
             | 
            
                46.60
             |                     
            
                44.56
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2019
             | 
            
                -1.00 / -2.13%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2019
             | 
            
                +1.00 / +2.17%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                44.56
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2019
             | 
            
                -1.00 / -2.13%
             |             
            
                43.50
             |           
            
                46.00
             |               
            
                43.50
             |                           
            
                46.00
             | 
            
                45.92
             |                     
            
                43.61
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                44.56
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2019
             | 
            
                +1.00 / +2.17%
             |             
            
                46.00
             |           
            
                47.00
             |               
            
                46.00
             |                           
            
                47.00
             | 
            
                46.11
             |                     
            
                44.56
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2019
             | 
            
                -0.10 / -0.22%
             |             
            
                46.00
             |           
            
                47.50
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.11
             |                     
            
                43.61
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.10
             |           
            
                46.10
             |               
            
                46.10
             |                           
            
                46.10
             | 
            
                46.10
             |                     
            
                43.71
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2019
             | 
            
                +0.10 / +0.22%
             |             
            
                46.00
             |           
            
                46.10
             |               
            
                46.00
             |                           
            
                46.10
             | 
            
                46.02
             |                     
            
                43.71
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                4,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2019
             | 
            
                +1.40 / +3.14%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                1,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                44.60
             |           
            
                44.60
             |               
            
                44.60
             |                           
            
                44.60
             | 
            
                44.60
             |                     
            
                42.28
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2019
             | 
            
                0.00 / 0.00%
             |             
            
                44.60
             |           
            
                44.60
             |               
            
                44.60
             |                           
            
                44.60
             | 
            
                44.60
             |                     
            
                42.28
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2019
             | 
            
                -1.40 / -3.04%
             |             
            
                44.60
             |           
            
                44.60
             |               
            
                44.60
             |                           
            
                44.60
             | 
            
                44.60
             |                     
            
                42.28
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                42.80
             |           
            
                46.00
             |               
            
                41.40
             |                           
            
                46.00
             | 
            
                42.15
             |                     
            
                43.61
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2019
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.60
             |               
            
                45.00
             |                           
            
                46.00
             | 
            
                47.91
             |                     
            
                43.61
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                46.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                43.61
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |