| 
                 
                    Closing price on 12/14/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    89.30 | 
                 
                
                    | High | 
                    89.40 | 
                 
                
                    | Low | 
                    89.00 | 
                     
                
                    | Volume | 
                    1,039 | 
                                 
                
                    | Split-adjusted Price | 
                    79.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/14/2017
             | 
            
                +0.10 / +0.11%
             |             
            
                89.30
             |           
            
                89.40
             |               
            
                89.00
             |                           
            
                89.40
             | 
            
                89.26
             |                     
            
                79.50
             |                                 
            
                1,039
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2017
             | 
            
                +0.30 / +0.34%
             |             
            
                89.50
             |           
            
                89.50
             |               
            
                89.00
             |                           
            
                89.30
             | 
            
                89.16
             |                     
            
                79.41
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2017
             | 
            
                -4.00 / -4.30%
             |             
            
                92.60
             |           
            
                92.60
             |               
            
                89.00
             |                           
            
                89.00
             | 
            
                91.45
             |                     
            
                79.14
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2017
             | 
            
                +2.50 / +2.76%
             |             
            
                90.50
             |           
            
                93.50
             |               
            
                89.80
             |                           
            
                93.00
             | 
            
                90.60
             |                     
            
                82.70
             |                                 
            
                51,669
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2017
             | 
            
                +0.60 / +0.67%
             |             
            
                89.90
             |           
            
                90.50
             |               
            
                89.90
             |                           
            
                90.50
             | 
            
                90.17
             |                     
            
                80.47
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                89.90
             |           
            
                91.00
             |               
            
                89.90
             |                           
            
                89.90
             | 
            
                90.26
             |                     
            
                79.94
             |                                 
            
                23,331
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2017
             | 
            
                +0.40 / +0.45%
             |             
            
                89.50
             |           
            
                90.00
             |               
            
                89.50
             |                           
            
                89.90
             | 
            
                89.74
             |                     
            
                79.94
             |                                 
            
                17,699
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2017
             | 
            
                +0.10 / +0.11%
             |             
            
                89.80
             |           
            
                89.90
             |               
            
                89.20
             |                           
            
                89.50
             | 
            
                89.49
             |                     
            
                79.59
             |                                 
            
                11,338
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2017
             | 
            
                +0.60 / +0.68%
             |             
            
                89.00
             |           
            
                90.00
             |               
            
                89.00
             |                           
            
                89.40
             | 
            
                89.33
             |                     
            
                79.50
             |                                 
            
                17,833
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2017
             | 
            
                +1.30 / +1.49%
             |             
            
                87.60
             |           
            
                89.10
             |               
            
                87.60
             |                           
            
                88.80
             | 
            
                88.64
             |                     
            
                78.96
             |                                 
            
                16,106
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2017
             | 
            
                -1.90 / -2.13%
             |             
            
                89.40
             |           
            
                89.40
             |               
            
                87.50
             |                           
            
                87.50
             | 
            
                88.67
             |                     
            
                77.81
             |                                 
            
                7,940
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                89.00
             |           
            
                89.50
             |               
            
                88.70
             |                           
            
                89.40
             | 
            
                89.07
             |                     
            
                79.50
             |                                 
            
                2,212
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2017
             | 
            
                -0.10 / -0.11%
             |             
            
                89.40
             |           
            
                89.40
             |               
            
                89.40
             |                           
            
                89.40
             | 
            
                89.40
             |                     
            
                79.50
             |                                 
            
                120
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2017
             | 
            
                +0.20 / +0.22%
             |             
            
                89.50
             |           
            
                89.50
             |               
            
                89.10
             |                           
            
                89.50
             | 
            
                89.42
             |                     
            
                79.59
             |                                 
            
                17,478
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                89.30
             |           
            
                89.90
             |               
            
                89.30
             |                           
            
                89.30
             | 
            
                89.70
             |                     
            
                79.41
             |                                 
            
                10,210
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2017
             | 
            
                -0.10 / -0.11%
             |             
            
                89.40
             |           
            
                89.40
             |               
            
                89.00
             |                           
            
                89.30
             | 
            
                89.15
             |                     
            
                79.41
             |                                 
            
                6,919
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2017
             | 
            
                -0.10 / -0.11%
             |             
            
                90.00
             |           
            
                90.00
             |               
            
                89.00
             |                           
            
                89.40
             | 
            
                89.37
             |                     
            
                79.50
             |                                 
            
                5,202
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2017
             | 
            
                +0.30 / +0.34%
             |             
            
                90.50
             |           
            
                90.50
             |               
            
                89.20
             |                           
            
                89.50
             | 
            
                89.43
             |                     
            
                79.59
             |                                 
            
                8,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2017
             | 
            
                0.00 / 0.00%
             |             
            
                89.60
             |           
            
                89.60
             |               
            
                89.20
             |                           
            
                89.20
             | 
            
                89.45
             |                     
            
                79.32
             |                                 
            
                12,133
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2017
             | 
            
                -0.40 / -0.45%
             |             
            
                89.60
             |           
            
                90.00
             |               
            
                89.20
             |                           
            
                89.20
             | 
            
                89.60
             |                     
            
                79.32
             |                                 
            
                23,749
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                89.50
             |           
            
                89.60
             |               
            
                89.00
             |                           
            
                89.60
             | 
            
                89.46
             |                     
            
                79.67
             |                                 
            
                21,425
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2017
             | 
            
                -0.30 / -0.33%
             |             
            
                89.50
             |           
            
                90.00
             |               
            
                89.40
             |                           
            
                89.60
             | 
            
                89.81
             |                     
            
                79.67
             |                                 
            
                23,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2017
             | 
            
                +0.40 / +0.45%
             |             
            
                89.50
             |           
            
                89.90
             |               
            
                89.50
             |                           
            
                89.90
             | 
            
                89.83
             |                     
            
                79.94
             |                                 
            
                15,956
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                89.50
             |           
            
                90.00
             |               
            
                89.50
             |                           
            
                89.50
             | 
            
                89.69
             |                     
            
                79.59
             |                                 
            
                11,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                89.50
             |           
            
                90.00
             |               
            
                89.50
             |                           
            
                89.50
             | 
            
                89.51
             |                     
            
                79.59
             |                                 
            
                31,403
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2017
             | 
            
                -0.10 / -0.11%
             |             
            
                89.50
             |           
            
                89.60
             |               
            
                89.10
             |                           
            
                89.50
             | 
            
                89.44
             |                     
            
                79.59
             |                                 
            
                2,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2017
             | 
            
                -0.40 / -0.44%
             |             
            
                89.60
             |           
            
                89.60
             |               
            
                89.00
             |                           
            
                89.60
             | 
            
                89.52
             |                     
            
                79.67
             |                                 
            
                940
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2017
             | 
            
                +0.40 / +0.45%
             |             
            
                91.70
             |           
            
                91.70
             |               
            
                89.50
             |                           
            
                90.00
             | 
            
                89.67
             |                     
            
                80.03
             |                                 
            
                9,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2017
             | 
            
                +0.20 / +0.22%
             |             
            
                89.00
             |           
            
                89.90
             |               
            
                89.00
             |                           
            
                89.60
             | 
            
                89.48
             |                     
            
                79.67
             |                                 
            
                12,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2017
             | 
            
                +0.40 / +0.45%
             |             
            
                89.00
             |           
            
                90.00
             |               
            
                87.20
             |                           
            
                89.40
             | 
            
                89.25
             |                     
            
                79.50
             |                                 
            
                28,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |