| 
                 
                    Closing price on 5/17/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    89.90 | 
                 
                
                    | High | 
                    100.00 | 
                 
                
                    | Low | 
                    89.90 | 
                     
                
                    | Volume | 
                    12,445 | 
                                 
                
                    | Split-adjusted Price | 
                    84.72 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                89.90
             |           
            
                100.00
             |               
            
                89.90
             |                           
            
                99.80
             | 
            
                96.69
             |                     
            
                84.72
             |                                 
            
                12,445
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                100.20
             |           
            
                100.50
             |               
            
                99.80
             |                           
            
                99.80
             | 
            
                100.05
             |                     
            
                84.72
             |                                 
            
                47,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2017
             | 
            
                -0.10 / -0.10%
             |             
            
                101.40
             |           
            
                101.40
             |               
            
                95.00
             |                           
            
                99.80
             | 
            
                99.89
             |                     
            
                84.72
             |                                 
            
                22,510
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2017
             | 
            
                -0.40 / -0.40%
             |             
            
                100.00
             |           
            
                100.10
             |               
            
                99.90
             |                           
            
                99.90
             | 
            
                99.99
             |                     
            
                84.81
             |                                 
            
                7,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2017
             | 
            
                -3.30 / -3.19%
             |             
            
                99.20
             |           
            
                101.50
             |               
            
                99.10
             |                           
            
                100.30
             | 
            
                99.96
             |                     
            
                85.15
             |                                 
            
                3,410
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2017
             | 
            
                +0.60 / +0.58%
             |             
            
                103.00
             |           
            
                104.30
             |               
            
                102.70
             |                           
            
                103.60
             | 
            
                103.49
             |                     
            
                84.89
             |                                 
            
                32,205
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2017
             | 
            
                -0.50 / -0.48%
             |             
            
                103.10
             |           
            
                103.70
             |               
            
                102.20
             |                           
            
                103.00
             | 
            
                102.88
             |                     
            
                84.40
             |                                 
            
                8,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2017
             | 
            
                +0.40 / +0.39%
             |             
            
                105.60
             |           
            
                105.60
             |               
            
                103.50
             |                           
            
                103.50
             | 
            
                104.42
             |                     
            
                84.81
             |                                 
            
                11,775
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2017
             | 
            
                +1.10 / +1.08%
             |             
            
                101.80
             |           
            
                107.00
             |               
            
                101.80
             |                           
            
                103.10
             | 
            
                104.89
             |                     
            
                84.48
             |                                 
            
                22,610
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2017
             | 
            
                -1.50 / -1.45%
             |             
            
                103.50
             |           
            
                103.50
             |               
            
                101.70
             |                           
            
                102.00
             | 
            
                102.91
             |                     
            
                83.58
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2017
             | 
            
                +3.50 / +3.50%
             |             
            
                103.00
             |           
            
                103.90
             |               
            
                102.00
             |                           
            
                103.50
             | 
            
                103.10
             |                     
            
                84.81
             |                                 
            
                10,650
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2017
             | 
            
                +7.20 / +7.76%
             |             
            
                92.80
             |           
            
                101.90
             |               
            
                92.80
             |                           
            
                100.00
             | 
            
                92.80
             |                     
            
                81.94
             |                                 
            
                31,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2017
             | 
            
                +1.80 / +1.98%
             |             
            
                91.00
             |           
            
                92.80
             |               
            
                90.00
             |                           
            
                92.80
             | 
            
                91.00
             |                     
            
                76.04
             |                                 
            
                20,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2017
             | 
            
                +0.80 / +0.89%
             |             
            
                90.10
             |           
            
                91.00
             |               
            
                90.00
             |                           
            
                91.00
             | 
            
                90.20
             |                     
            
                74.57
             |                                 
            
                15,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2017
             | 
            
                -0.30 / -0.33%
             |             
            
                91.00
             |           
            
                91.00
             |               
            
                90.00
             |                           
            
                90.20
             | 
            
                90.31
             |                     
            
                73.91
             |                                 
            
                10,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2017
             | 
            
                -0.50 / -0.55%
             |             
            
                94.00
             |           
            
                94.00
             |               
            
                88.00
             |                           
            
                90.50
             | 
            
                90.41
             |                     
            
                74.16
             |                                 
            
                28,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2017
             | 
            
                +1.00 / +1.11%
             |             
            
                91.00
             |           
            
                91.90
             |               
            
                89.60
             |                           
            
                91.00
             | 
            
                90.46
             |                     
            
                74.57
             |                                 
            
                27,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2017
             | 
            
                -1.00 / -1.10%
             |             
            
                93.00
             |           
            
                93.00
             |               
            
                90.00
             |                           
            
                90.00
             | 
            
                91.00
             |                     
            
                73.75
             |                                 
            
                10,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2017
             | 
            
                +1.80 / +2.02%
             |             
            
                90.00
             |           
            
                91.00
             |               
            
                89.20
             |                           
            
                91.00
             | 
            
                89.20
             |                     
            
                74.57
             |                                 
            
                3,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2017
             | 
            
                +0.20 / +0.22%
             |             
            
                89.00
             |           
            
                90.00
             |               
            
                89.00
             |                           
            
                89.20
             | 
            
                89.17
             |                     
            
                73.09
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2017
             | 
            
                -2.50 / -2.73%
             |             
            
                90.00
             |           
            
                95.00
             |               
            
                89.00
             |                           
            
                89.00
             | 
            
                90.74
             |                     
            
                72.93
             |                                 
            
                4,360
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2017
             | 
            
                -1.50 / -1.61%
             |             
            
                89.10
             |           
            
                95.90
             |               
            
                89.10
             |                           
            
                91.50
             | 
            
                93.00
             |                     
            
                74.98
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2017
             | 
            
                -2.90 / -3.02%
             |             
            
                93.90
             |           
            
                93.90
             |               
            
                90.00
             |                           
            
                93.00
             | 
            
                91.16
             |                     
            
                76.21
             |                                 
            
                8,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2017
             | 
            
                -3.10 / -3.13%
             |             
            
                100.00
             |           
            
                100.30
             |               
            
                95.00
             |                           
            
                95.90
             | 
            
                97.77
             |                     
            
                78.58
             |                                 
            
                23,141
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2017
             | 
            
                -1.10 / -1.10%
             |             
            
                100.30
             |           
            
                100.30
             |               
            
                98.00
             |                           
            
                99.00
             | 
            
                100.10
             |                     
            
                81.12
             |                                 
            
                11,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2017
             | 
            
                +0.10 / +0.10%
             |             
            
                99.10
             |           
            
                100.40
             |               
            
                99.10
             |                           
            
                100.10
             | 
            
                100.04
             |                     
            
                82.03
             |                                 
            
                6,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2017
             | 
            
                -0.30 / -0.30%
             |             
            
                100.00
             |           
            
                100.00
             |               
            
                99.90
             |                           
            
                100.00
             | 
            
                99.99
             |                     
            
                81.94
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2017
             | 
            
                0.00 / 0.00%
             |             
            
                100.00
             |           
            
                100.50
             |               
            
                100.00
             |                           
            
                100.30
             | 
            
                100.29
             |                     
            
                82.19
             |                                 
            
                11,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2017
             | 
            
                -0.90 / -0.89%
             |             
            
                100.10
             |           
            
                100.90
             |               
            
                100.00
             |                           
            
                100.30
             | 
            
                100.37
             |                     
            
                82.19
             |                                 
            
                9,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2017
             | 
            
                -0.10 / -0.10%
             |             
            
                101.30
             |           
            
                101.30
             |               
            
                100.00
             |                           
            
                101.20
             | 
            
                100.64
             |                     
            
                82.93
             |                                 
            
                10,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |