| 
                 
                    Closing price on 3/7/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    104.50 | 
                 
                
                    | High | 
                    105.50 | 
                 
                
                    | Low | 
                    104.50 | 
                     
                
                    | Volume | 
                    5,110 | 
                                 
                
                    | Split-adjusted Price | 
                    86.04 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/7/2017
             | 
            
                -1.00 / -0.94%
             |             
            
                104.50
             |           
            
                105.50
             |               
            
                104.50
             |                           
            
                105.00
             | 
            
                104.76
             |                     
            
                86.04
             |                                 
            
                5,110
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2017
             | 
            
                +0.10 / +0.09%
             |             
            
                105.00
             |           
            
                106.00
             |               
            
                104.50
             |                           
            
                106.00
             | 
            
                105.90
             |                     
            
                86.86
             |                                 
            
                36,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                106.00
             |           
            
                106.40
             |               
            
                105.90
             |                           
            
                105.90
             | 
            
                106.10
             |                     
            
                86.78
             |                                 
            
                10,778
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2017
             | 
            
                +1.90 / +1.83%
             |             
            
                104.00
             |           
            
                107.00
             |               
            
                104.00
             |                           
            
                105.90
             | 
            
                104.78
             |                     
            
                86.78
             |                                 
            
                14,026
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2017
             | 
            
                -0.70 / -0.67%
             |             
            
                103.60
             |           
            
                104.00
             |               
            
                103.60
             |                           
            
                104.00
             | 
            
                103.81
             |                     
            
                85.22
             |                                 
            
                3,110
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2017
             | 
            
                +1.70 / +1.65%
             |             
            
                104.00
             |           
            
                106.00
             |               
            
                103.60
             |                           
            
                104.70
             | 
            
                103.99
             |                     
            
                85.80
             |                                 
            
                17,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2017
             | 
            
                -0.60 / -0.58%
             |             
            
                103.60
             |           
            
                104.00
             |               
            
                103.00
             |                           
            
                103.00
             | 
            
                103.55
             |                     
            
                84.40
             |                                 
            
                5,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2017
             | 
            
                -0.90 / -0.86%
             |             
            
                105.80
             |           
            
                105.80
             |               
            
                103.40
             |                           
            
                103.60
             | 
            
                104.16
             |                     
            
                84.89
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2017
             | 
            
                +1.10 / +1.06%
             |             
            
                103.50
             |           
            
                105.00
             |               
            
                103.50
             |                           
            
                104.50
             | 
            
                103.81
             |                     
            
                85.63
             |                                 
            
                7,218
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2017
             | 
            
                +0.10 / +0.10%
             |             
            
                103.50
             |           
            
                103.70
             |               
            
                103.40
             |                           
            
                103.40
             | 
            
                103.61
             |                     
            
                84.73
             |                                 
            
                7,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2017
             | 
            
                -0.20 / -0.19%
             |             
            
                103.60
             |           
            
                104.00
             |               
            
                103.20
             |                           
            
                103.30
             | 
            
                103.43
             |                     
            
                84.65
             |                                 
            
                11,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2017
             | 
            
                +0.20 / +0.19%
             |             
            
                103.30
             |           
            
                103.50
             |               
            
                103.00
             |                           
            
                103.50
             | 
            
                103.07
             |                     
            
                84.81
             |                                 
            
                4,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2017
             | 
            
                +0.30 / +0.29%
             |             
            
                104.00
             |           
            
                104.00
             |               
            
                103.30
             |                           
            
                103.30
             | 
            
                103.74
             |                     
            
                84.65
             |                                 
            
                6,140
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                103.00
             |           
            
                103.90
             |               
            
                103.00
             |                           
            
                103.00
             | 
            
                103.24
             |                     
            
                84.40
             |                                 
            
                4,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2017
             | 
            
                -0.90 / -0.87%
             |             
            
                104.00
             |           
            
                104.00
             |               
            
                103.00
             |                           
            
                103.00
             | 
            
                103.56
             |                     
            
                84.40
             |                                 
            
                19,470
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2017
             | 
            
                +0.90 / +0.87%
             |             
            
                103.10
             |           
            
                104.00
             |               
            
                102.00
             |                           
            
                103.90
             | 
            
                102.96
             |                     
            
                85.14
             |                                 
            
                4,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2017
             | 
            
                +1.00 / +0.98%
             |             
            
                102.20
             |           
            
                105.00
             |               
            
                102.20
             |                           
            
                103.00
             | 
            
                103.05
             |                     
            
                84.40
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2017
             | 
            
                -3.00 / -2.86%
             |             
            
                104.00
             |           
            
                104.50
             |               
            
                102.00
             |                           
            
                102.00
             | 
            
                102.36
             |                     
            
                83.58
             |                                 
            
                4,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2017
             | 
            
                -3.00 / -2.78%
             |             
            
                108.00
             |           
            
                108.00
             |               
            
                105.00
             |                           
            
                105.00
             | 
            
                106.34
             |                     
            
                86.04
             |                                 
            
                4,920
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2017
             | 
            
                -1.20 / -1.10%
             |             
            
                110.00
             |           
            
                112.00
             |               
            
                108.00
             |                           
            
                108.00
             | 
            
                109.89
             |                     
            
                88.50
             |                                 
            
                12,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2017
             | 
            
                -31.80 / -22.55%
             |             
            
                105.00
             |           
            
                109.20
             |               
            
                105.00
             |                           
            
                109.20
             | 
            
                107.97
             |                     
            
                89.48
             |                                 
            
                35,010
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2017
             | 
            
                -4.00 / -2.76%
             |             
            
                145.10
             |           
            
                145.10
             |               
            
                140.20
             |                           
            
                141.00
             | 
            
                142.99
             |                     
            
                81.45
             |                                 
            
                24,978
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/3/2017
             | 
            
                -2.50 / -1.69%
             |             
            
                147.50
             |           
            
                147.50
             |               
            
                145.00
             |                           
            
                145.00
             | 
            
                145.33
             |                     
            
                83.76
             |                                 
            
                16,408
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2017
             | 
            
                +3.50 / +2.43%
             |             
            
                145.00
             |           
            
                150.00
             |               
            
                144.00
             |                           
            
                147.50
             | 
            
                145.72
             |                     
            
                85.21
             |                                 
            
                8,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2017
             | 
            
                +1.00 / +0.70%
             |             
            
                144.50
             |           
            
                144.50
             |               
            
                143.50
             |                           
            
                144.00
             | 
            
                143.90
             |                     
            
                83.19
             |                                 
            
                10,610
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2017
             | 
            
                +1.10 / +0.78%
             |             
            
                142.00
             |           
            
                144.90
             |               
            
                141.00
             |                           
            
                143.00
             | 
            
                141.49
             |                     
            
                82.61
             |                                 
            
                14,918
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2017
             | 
            
                +2.80 / +2.01%
             |             
            
                142.00
             |           
            
                142.50
             |               
            
                139.10
             |                           
            
                141.90
             | 
            
                142.18
             |                     
            
                81.97
             |                                 
            
                4,230
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2017
             | 
            
                0.00 / 0.00%
             |             
            
                139.10
             |           
            
                142.00
             |               
            
                139.00
             |                           
            
                139.10
             | 
            
                139.14
             |                     
            
                80.35
             |                                 
            
                7,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2017
             | 
            
                -1.60 / -1.14%
             |             
            
                139.50
             |           
            
                139.50
             |               
            
                139.00
             |                           
            
                139.10
             | 
            
                139.12
             |                     
            
                80.35
             |                                 
            
                8,030
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2017
             | 
            
                +1.70 / +1.22%
             |             
            
                139.00
             |           
            
                145.00
             |               
            
                138.60
             |                           
            
                140.70
             | 
            
                139.75
             |                     
            
                81.28
             |                                 
            
                20,310
             |  
            
                 
             |                                                              
             
    
         
    
    
 |