| 
                 
                    Closing price on 4/28/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    166.90 | 
                 
                
                    | High | 
                    167.00 | 
                 
                
                    | Low | 
                    166.00 | 
                     
                
                    | Volume | 
                    102,600 | 
                                 
                
                    | Split-adjusted Price | 
                    18.99 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MWG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/28/2017
             | 
            
                +0.20 / +0.12%
             |             
            
                166.90
             |           
            
                167.00
             |               
            
                166.00
             |                           
            
                167.00
             | 
            
                166.76
             |                     
            
                18.99
             |                                 
            
                102,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2017
             | 
            
                +2.70 / +1.65%
             |             
            
                165.00
             |           
            
                166.90
             |               
            
                164.10
             |                           
            
                166.80
             | 
            
                165.47
             |                     
            
                18.97
             |                                 
            
                271,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2017
             | 
            
                +0.60 / +0.37%
             |             
            
                163.50
             |           
            
                166.30
             |               
            
                163.50
             |                           
            
                164.10
             | 
            
                164.90
             |                     
            
                18.66
             |                                 
            
                145,010
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2017
             | 
            
                -2.50 / -1.51%
             |             
            
                165.10
             |           
            
                166.00
             |               
            
                162.70
             |                           
            
                163.50
             | 
            
                163.69
             |                     
            
                18.59
             |                                 
            
                73,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2017
             | 
            
                -0.50 / -0.30%
             |             
            
                166.90
             |           
            
                168.00
             |               
            
                166.00
             |                           
            
                166.00
             | 
            
                166.52
             |                     
            
                18.87
             |                                 
            
                150,250
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2017
             | 
            
                +0.50 / +0.30%
             |             
            
                166.00
             |           
            
                167.40
             |               
            
                166.00
             |                           
            
                166.50
             | 
            
                166.64
             |                     
            
                18.93
             |                                 
            
                55,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2017
             | 
            
                -1.00 / -0.60%
             |             
            
                167.00
             |           
            
                167.00
             |               
            
                166.00
             |                           
            
                166.00
             | 
            
                166.43
             |                     
            
                18.87
             |                                 
            
                40,210
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2017
             | 
            
                +4.00 / +2.45%
             |             
            
                163.00
             |           
            
                167.00
             |               
            
                163.00
             |                           
            
                167.00
             | 
            
                165.04
             |                     
            
                18.99
             |                                 
            
                98,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2017
             | 
            
                -2.00 / -1.21%
             |             
            
                165.00
             |           
            
                165.00
             |               
            
                161.20
             |                           
            
                163.00
             | 
            
                163.41
             |                     
            
                18.53
             |                                 
            
                177,340
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2017
             | 
            
                -2.20 / -1.32%
             |             
            
                167.00
             |           
            
                168.00
             |               
            
                165.00
             |                           
            
                165.00
             | 
            
                166.22
             |                     
            
                18.76
             |                                 
            
                206,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2017
             | 
            
                -2.80 / -1.65%
             |             
            
                170.00
             |           
            
                170.10
             |               
            
                167.20
             |                           
            
                167.20
             | 
            
                168.47
             |                     
            
                19.01
             |                                 
            
                126,310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2017
             | 
            
                +1.00 / +0.59%
             |             
            
                169.50
             |           
            
                170.70
             |               
            
                169.50
             |                           
            
                170.00
             | 
            
                170.19
             |                     
            
                19.33
             |                                 
            
                86,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2017
             | 
            
                +0.40 / +0.24%
             |             
            
                168.30
             |           
            
                170.90
             |               
            
                168.10
             |                           
            
                169.00
             | 
            
                169.92
             |                     
            
                19.22
             |                                 
            
                160,680
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2017
             | 
            
                +2.50 / +1.51%
             |             
            
                166.20
             |           
            
                168.60
             |               
            
                166.20
             |                           
            
                168.60
             | 
            
                167.83
             |                     
            
                19.17
             |                                 
            
                88,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2017
             | 
            
                -0.90 / -0.54%
             |             
            
                167.00
             |           
            
                167.00
             |               
            
                166.00
             |                           
            
                166.10
             | 
            
                166.39
             |                     
            
                18.89
             |                                 
            
                69,450
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                167.00
             |           
            
                167.30
             |               
            
                166.00
             |                           
            
                167.00
             | 
            
                166.51
             |                     
            
                18.99
             |                                 
            
                54,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2017
             | 
            
                +0.50 / +0.30%
             |             
            
                166.50
             |           
            
                167.40
             |               
            
                166.50
             |                           
            
                167.00
             | 
            
                167.03
             |                     
            
                18.99
             |                                 
            
                57,020
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2017
             | 
            
                -1.00 / -0.60%
             |             
            
                167.50
             |           
            
                167.50
             |               
            
                166.10
             |                           
            
                166.50
             | 
            
                166.58
             |                     
            
                18.93
             |                                 
            
                98,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2017
             | 
            
                -0.80 / -0.48%
             |             
            
                169.00
             |           
            
                169.00
             |               
            
                166.60
             |                           
            
                167.50
             | 
            
                167.80
             |                     
            
                19.05
             |                                 
            
                175,160
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2017
             | 
            
                -0.20 / -0.12%
             |             
            
                167.10
             |           
            
                169.30
             |               
            
                167.10
             |                           
            
                168.30
             | 
            
                168.46
             |                     
            
                19.14
             |                                 
            
                62,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2017
             | 
            
                +1.00 / +0.60%
             |             
            
                166.20
             |           
            
                168.70
             |               
            
                166.20
             |                           
            
                168.50
             | 
            
                168.11
             |                     
            
                19.16
             |                                 
            
                142,470
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2017
             | 
            
                +1.50 / +0.90%
             |             
            
                166.00
             |           
            
                168.20
             |               
            
                164.50
             |                           
            
                167.50
             | 
            
                165.68
             |                     
            
                19.05
             |                                 
            
                309,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                166.00
             |           
            
                167.80
             |               
            
                165.00
             |                           
            
                166.00
             | 
            
                165.88
             |                     
            
                18.87
             |                                 
            
                131,620
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2017
             | 
            
                -2.70 / -1.60%
             |             
            
                168.70
             |           
            
                170.00
             |               
            
                165.80
             |                           
            
                166.00
             | 
            
                167.15
             |                     
            
                18.87
             |                                 
            
                356,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2017
             | 
            
                +0.20 / +0.12%
             |             
            
                169.50
             |           
            
                169.80
             |               
            
                168.50
             |                           
            
                168.70
             | 
            
                168.81
             |                     
            
                19.18
             |                                 
            
                105,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2017
             | 
            
                -0.70 / -0.41%
             |             
            
                169.20
             |           
            
                169.90
             |               
            
                167.80
             |                           
            
                168.50
             | 
            
                168.48
             |                     
            
                19.16
             |                                 
            
                175,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2017
             | 
            
                -3.20 / -1.86%
             |             
            
                171.70
             |           
            
                172.00
             |               
            
                169.00
             |                           
            
                169.20
             | 
            
                170.31
             |                     
            
                19.24
             |                                 
            
                254,390
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2017
             | 
            
                +0.60 / +0.35%
             |             
            
                171.60
             |           
            
                172.80
             |               
            
                171.60
             |                           
            
                172.40
             | 
            
                172.11
             |                     
            
                19.60
             |                                 
            
                141,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2017
             | 
            
                +0.10 / +0.06%
             |             
            
                173.00
             |           
            
                173.00
             |               
            
                171.10
             |                           
            
                171.80
             | 
            
                171.63
             |                     
            
                19.53
             |                                 
            
                91,340
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2017
             | 
            
                +0.70 / +0.41%
             |             
            
                171.00
             |           
            
                172.40
             |               
            
                169.00
             |                           
            
                171.70
             | 
            
                170.39
             |                     
            
                19.52
             |                                 
            
                236,840
             |  
            
                 
             |                                                              
             
    
         
    
    
 |