| 
                 
                    Closing price on 3/21/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    171.60 | 
                 
                
                    | High | 
                    172.80 | 
                 
                
                    | Low | 
                    171.60 | 
                     
                
                    | Volume | 
                    141,970 | 
                                 
                
                    | Split-adjusted Price | 
                    19.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MWG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2017
             | 
            
                -3.00 / -1.72%
             |             
            
                176.50
             |           
            
                176.70
             |               
            
                170.50
             |                           
            
                171.00
             | 
            
                174.12
             |                     
            
                19.44
             |                                 
            
                349,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2017
             | 
            
                +2.00 / +1.16%
             |             
            
                174.00
             |           
            
                174.90
             |               
            
                172.60
             |                           
            
                174.00
             | 
            
                173.99
             |                     
            
                19.78
             |                                 
            
                377,810
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2017
             | 
            
                +2.20 / +1.30%
             |             
            
                170.00
             |           
            
                172.00
             |               
            
                170.00
             |                           
            
                172.00
             | 
            
                171.57
             |                     
            
                19.56
             |                                 
            
                242,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2017
             | 
            
                +0.80 / +0.47%
             |             
            
                170.50
             |           
            
                171.80
             |               
            
                169.50
             |                           
            
                169.80
             | 
            
                170.24
             |                     
            
                19.31
             |                                 
            
                243,660
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                169.00
             |           
            
                169.80
             |               
            
                168.60
             |                           
            
                169.00
             | 
            
                169.03
             |                     
            
                19.22
             |                                 
            
                54,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2017
             | 
            
                -0.80 / -0.47%
             |             
            
                169.80
             |           
            
                170.00
             |               
            
                168.70
             |                           
            
                169.00
             | 
            
                169.37
             |                     
            
                19.22
             |                                 
            
                61,170
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2017
             | 
            
                +1.90 / +1.13%
             |             
            
                168.90
             |           
            
                172.40
             |               
            
                168.00
             |                           
            
                169.80
             | 
            
                170.47
             |                     
            
                19.31
             |                                 
            
                278,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2017
             | 
            
                +1.60 / +0.96%
             |             
            
                166.30
             |           
            
                168.30
             |               
            
                165.00
             |                           
            
                167.90
             | 
            
                166.98
             |                     
            
                19.09
             |                                 
            
                116,510
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                167.00
             |           
            
                167.50
             |               
            
                166.00
             |                           
            
                166.30
             | 
            
                166.47
             |                     
            
                18.91
             |                                 
            
                95,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2017
             | 
            
                -0.70 / -0.42%
             |             
            
                167.00
             |           
            
                167.20
             |               
            
                166.00
             |                           
            
                166.30
             | 
            
                166.46
             |                     
            
                18.91
             |                                 
            
                106,870
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2017
             | 
            
                +0.50 / +0.30%
             |             
            
                166.10
             |           
            
                169.00
             |               
            
                166.00
             |                           
            
                167.00
             | 
            
                167.44
             |                     
            
                18.99
             |                                 
            
                170,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2017
             | 
            
                -0.60 / -0.36%
             |             
            
                167.00
             |           
            
                167.00
             |               
            
                165.90
             |                           
            
                166.50
             | 
            
                166.18
             |                     
            
                18.93
             |                                 
            
                124,490
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2017
             | 
            
                -1.50 / -0.89%
             |             
            
                168.00
             |           
            
                169.00
             |               
            
                167.10
             |                           
            
                167.10
             | 
            
                167.85
             |                     
            
                19.00
             |                                 
            
                115,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2017
             | 
            
                +2.60 / +1.57%
             |             
            
                169.40
             |           
            
                173.00
             |               
            
                168.00
             |                           
            
                168.60
             | 
            
                169.80
             |                     
            
                19.17
             |                                 
            
                515,660
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2017
             | 
            
                +0.70 / +0.42%
             |             
            
                163.10
             |           
            
                166.00
             |               
            
                162.00
             |                           
            
                166.00
             | 
            
                163.35
             |                     
            
                18.87
             |                                 
            
                189,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2017
             | 
            
                -0.80 / -0.48%
             |             
            
                166.10
             |           
            
                167.00
             |               
            
                163.50
             |                           
            
                165.30
             | 
            
                164.77
             |                     
            
                18.80
             |                                 
            
                242,260
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2017
             | 
            
                -2.40 / -1.42%
             |             
            
                169.00
             |           
            
                169.50
             |               
            
                165.50
             |                           
            
                166.10
             | 
            
                167.26
             |                     
            
                18.89
             |                                 
            
                203,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2017
             | 
            
                +0.50 / +0.30%
             |             
            
                168.00
             |           
            
                170.00
             |               
            
                168.00
             |                           
            
                168.50
             | 
            
                169.07
             |                     
            
                19.16
             |                                 
            
                114,080
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2017
             | 
            
                -4.00 / -2.33%
             |             
            
                172.00
             |           
            
                172.00
             |               
            
                168.00
             |                           
            
                168.00
             | 
            
                169.65
             |                     
            
                19.10
             |                                 
            
                213,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2017
             | 
            
                -1.00 / -0.58%
             |             
            
                173.00
             |           
            
                175.50
             |               
            
                170.70
             |                           
            
                172.00
             | 
            
                172.55
             |                     
            
                19.56
             |                                 
            
                438,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                172.70
             |           
            
                178.00
             |               
            
                172.70
             |                           
            
                173.00
             | 
            
                173.97
             |                     
            
                19.67
             |                                 
            
                224,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2017
             | 
            
                +1.00 / +0.58%
             |             
            
                172.00
             |           
            
                173.80
             |               
            
                171.00
             |                           
            
                173.00
             | 
            
                172.74
             |                     
            
                19.67
             |                                 
            
                112,270
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2017
             | 
            
                -1.20 / -0.69%
             |             
            
                173.80
             |           
            
                173.90
             |               
            
                172.00
             |                           
            
                172.00
             | 
            
                172.90
             |                     
            
                19.56
             |                                 
            
                461,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2017
             | 
            
                +4.90 / +2.91%
             |             
            
                169.00
             |           
            
                173.90
             |               
            
                169.00
             |                           
            
                173.20
             | 
            
                171.92
             |                     
            
                19.69
             |                                 
            
                399,340
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2017
             | 
            
                +1.30 / +0.78%
             |             
            
                167.00
             |           
            
                169.50
             |               
            
                167.00
             |                           
            
                168.30
             | 
            
                168.21
             |                     
            
                19.14
             |                                 
            
                345,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/9/2017
             | 
            
                -1.80 / -1.07%
             |             
            
                168.80
             |           
            
                168.90
             |               
            
                165.30
             |                           
            
                167.00
             | 
            
                166.98
             |                     
            
                18.99
             |                                 
            
                249,940
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2017
             | 
            
                -1.60 / -0.94%
             |             
            
                170.00
             |           
            
                170.40
             |               
            
                167.00
             |                           
            
                168.80
             | 
            
                168.53
             |                     
            
                19.19
             |                                 
            
                204,010
             |  
            
                 
             |                                                              
             
    
         
    
    
 |