| 
                 
                    Closing price on 5/17/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.30 | 
                 
                
                    | High | 
                    30.50 | 
                 
                
                    | Low | 
                    29.80 | 
                     
                
                    | Volume | 
                    3,971,090 | 
                                 
                
                    | Split-adjusted Price | 
                    6.58 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MBB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/17/2018
             | 
            
                -0.40 / -1.32%
             |             
            
                30.30
             |           
            
                30.50
             |               
            
                29.80
             |                           
            
                29.90
             | 
            
                30.14
             |                     
            
                6.58
             |                                 
            
                3,971,090
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2018
             | 
            
                -0.70 / -2.26%
             |             
            
                30.75
             |           
            
                31.00
             |               
            
                30.15
             |                           
            
                30.30
             | 
            
                30.61
             |                     
            
                6.67
             |                                 
            
                2,470,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                30.85
             |           
            
                31.55
             |               
            
                30.70
             |                           
            
                31.00
             | 
            
                31.17
             |                     
            
                6.83
             |                                 
            
                4,399,980
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2018
             | 
            
                +0.45 / +1.47%
             |             
            
                30.90
             |           
            
                31.00
             |               
            
                30.15
             |                           
            
                31.00
             | 
            
                30.67
             |                     
            
                6.83
             |                                 
            
                3,150,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2018
             | 
            
                +1.00 / +3.38%
             |             
            
                29.30
             |           
            
                30.55
             |               
            
                28.95
             |                           
            
                30.55
             | 
            
                29.66
             |                     
            
                6.73
             |                                 
            
                3,364,830
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2018
             | 
            
                -1.65 / -5.29%
             |             
            
                31.00
             |           
            
                31.25
             |               
            
                29.45
             |                           
            
                29.55
             | 
            
                30.43
             |                     
            
                6.51
             |                                 
            
                5,568,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2018
             | 
            
                -0.30 / -0.95%
             |             
            
                31.40
             |           
            
                31.90
             |               
            
                30.95
             |                           
            
                31.20
             | 
            
                31.33
             |                     
            
                6.87
             |                                 
            
                3,765,330
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2018
             | 
            
                -0.70 / -2.17%
             |             
            
                32.00
             |           
            
                32.30
             |               
            
                31.40
             |                           
            
                31.50
             | 
            
                31.90
             |                     
            
                6.94
             |                                 
            
                6,063,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2018
             | 
            
                +1.50 / +4.89%
             |             
            
                31.00
             |           
            
                32.35
             |               
            
                30.70
             |                           
            
                32.20
             | 
            
                31.52
             |                     
            
                7.09
             |                                 
            
                12,419,450
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2018
             | 
            
                +0.45 / +1.49%
             |             
            
                30.50
             |           
            
                30.90
             |               
            
                30.10
             |                           
            
                30.70
             | 
            
                30.65
             |                     
            
                6.76
             |                                 
            
                5,170,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2018
             | 
            
                +0.95 / +3.24%
             |             
            
                28.80
             |           
            
                30.25
             |               
            
                28.10
             |                           
            
                30.25
             | 
            
                29.18
             |                     
            
                6.66
             |                                 
            
                10,609,030
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2018
             | 
            
                -0.60 / -2.01%
             |             
            
                30.00
             |           
            
                30.25
             |               
            
                28.00
             |                           
            
                29.30
             | 
            
                29.54
             |                     
            
                6.45
             |                                 
            
                5,313,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2018
             | 
            
                +1.40 / +4.91%
             |             
            
                28.50
             |           
            
                30.00
             |               
            
                28.50
             |                           
            
                29.90
             | 
            
                29.26
             |                     
            
                6.58
             |                                 
            
                6,485,310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2018
             | 
            
                -2.05 / -6.71%
             |             
            
                30.75
             |           
            
                30.80
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                29.23
             |                     
            
                6.28
             |                                 
            
                7,502,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2018
             | 
            
                -0.05 / -0.16%
             |             
            
                30.35
             |           
            
                31.10
             |               
            
                29.60
             |                           
            
                30.55
             | 
            
                30.55
             |                     
            
                6.73
             |                                 
            
                7,248,880
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2018
             | 
            
                -2.25 / -6.85%
             |             
            
                32.95
             |           
            
                33.00
             |               
            
                30.60
             |                           
            
                30.60
             | 
            
                31.60
             |                     
            
                6.74
             |                                 
            
                8,386,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2018
             | 
            
                +0.95 / +2.98%
             |             
            
                32.50
             |           
            
                33.00
             |               
            
                31.70
             |                           
            
                32.85
             | 
            
                32.41
             |                     
            
                7.23
             |                                 
            
                5,581,890
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2018
             | 
            
                -1.75 / -5.20%
             |             
            
                33.60
             |           
            
                33.65
             |               
            
                31.70
             |                           
            
                31.90
             | 
            
                32.63
             |                     
            
                7.02
             |                                 
            
                8,926,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2018
             | 
            
                -0.85 / -2.46%
             |             
            
                34.65
             |           
            
                34.70
             |               
            
                33.65
             |                           
            
                33.65
             | 
            
                34.21
             |                     
            
                7.41
             |                                 
            
                3,082,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2018
             | 
            
                +0.90 / +2.68%
             |             
            
                33.90
             |           
            
                34.50
             |               
            
                33.55
             |                           
            
                34.50
             | 
            
                34.02
             |                     
            
                7.60
             |                                 
            
                4,365,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2018
             | 
            
                +0.50 / +1.51%
             |             
            
                33.30
             |           
            
                34.05
             |               
            
                33.10
             |                           
            
                33.60
             | 
            
                33.69
             |                     
            
                7.40
             |                                 
            
                7,192,630
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2018
             | 
            
                -1.70 / -4.89%
             |             
            
                35.10
             |           
            
                35.30
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                34.23
             |                     
            
                7.29
             |                                 
            
                7,119,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2018
             | 
            
                -0.40 / -1.14%
             |             
            
                34.90
             |           
            
                35.30
             |               
            
                34.50
             |                           
            
                34.80
             | 
            
                34.84
             |                     
            
                7.66
             |                                 
            
                7,949,280
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2018
             | 
            
                -1.35 / -3.69%
             |             
            
                36.65
             |           
            
                36.65
             |               
            
                35.20
             |                           
            
                35.20
             | 
            
                35.90
             |                     
            
                7.75
             |                                 
            
                10,600,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2018
             | 
            
                -0.25 / -0.68%
             |             
            
                36.90
             |           
            
                37.40
             |               
            
                35.90
             |                           
            
                36.55
             | 
            
                36.86
             |                     
            
                8.05
             |                                 
            
                9,666,280
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2018
             | 
            
                +0.20 / +0.55%
             |             
            
                36.65
             |           
            
                37.00
             |               
            
                36.00
             |                           
            
                36.80
             | 
            
                36.61
             |                     
            
                8.10
             |                                 
            
                7,916,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2018
             | 
            
                -0.10 / -0.27%
             |             
            
                36.90
             |           
            
                37.05
             |               
            
                36.55
             |                           
            
                36.60
             | 
            
                36.75
             |                     
            
                8.06
             |                                 
            
                5,639,390
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2018
             | 
            
                +0.20 / +0.55%
             |             
            
                36.90
             |           
            
                36.90
             |               
            
                36.45
             |                           
            
                36.70
             | 
            
                36.64
             |                     
            
                8.08
             |                                 
            
                4,587,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2018
             | 
            
                -0.20 / -0.54%
             |             
            
                37.00
             |           
            
                37.45
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                37.04
             |                     
            
                8.04
             |                                 
            
                9,346,550
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2018
             | 
            
                +0.90 / +2.51%
             |             
            
                36.20
             |           
            
                36.70
             |               
            
                35.80
             |                           
            
                36.70
             | 
            
                36.32
             |                     
            
                8.08
             |                                 
            
                10,573,517
             |  
            
                 
             |                                                              
             
    
         
    
    
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