| 
                 
                    Closing price on 11/22/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.30 | 
                 
                
                    | High | 
                    21.40 | 
                 
                
                    | Low | 
                    21.15 | 
                     
                
                    | Volume | 
                    4,230,020 | 
                                 
                
                    | Split-adjusted Price | 
                    5.56 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MBB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/22/2018
             | 
            
                -0.15 / -0.70%
             |             
            
                21.30
             |           
            
                21.40
             |               
            
                21.15
             |                           
            
                21.20
             | 
            
                21.27
             |                     
            
                5.56
             |                                 
            
                4,230,020
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2018
             | 
            
                +0.25 / +1.18%
             |             
            
                20.90
             |           
            
                21.35
             |               
            
                20.90
             |                           
            
                21.35
             | 
            
                21.09
             |                     
            
                5.59
             |                                 
            
                5,158,062
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2018
             | 
            
                -0.20 / -0.94%
             |             
            
                21.05
             |           
            
                21.20
             |               
            
                20.90
             |                           
            
                21.10
             | 
            
                21.06
             |                     
            
                5.53
             |                                 
            
                3,828,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2018
             | 
            
                +0.05 / +0.24%
             |             
            
                21.25
             |           
            
                21.35
             |               
            
                21.00
             |                           
            
                21.30
             | 
            
                21.16
             |                     
            
                5.58
             |                                 
            
                3,227,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2018
             | 
            
                +0.80 / +3.91%
             |             
            
                20.70
             |           
            
                21.35
             |               
            
                20.70
             |                           
            
                21.25
             | 
            
                21.06
             |                     
            
                5.57
             |                                 
            
                5,174,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2018
             | 
            
                +0.20 / +0.99%
             |             
            
                20.25
             |           
            
                20.90
             |               
            
                20.25
             |                           
            
                20.45
             | 
            
                20.50
             |                     
            
                5.36
             |                                 
            
                3,299,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2018
             | 
            
                -0.30 / -1.46%
             |             
            
                20.55
             |           
            
                20.70
             |               
            
                20.10
             |                           
            
                20.25
             | 
            
                20.40
             |                     
            
                5.31
             |                                 
            
                4,022,210
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2018
             | 
            
                -0.25 / -1.20%
             |             
            
                20.50
             |           
            
                20.70
             |               
            
                20.40
             |                           
            
                20.55
             | 
            
                20.55
             |                     
            
                5.39
             |                                 
            
                2,868,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2018
             | 
            
                -0.10 / -0.48%
             |             
            
                20.50
             |           
            
                20.95
             |               
            
                20.50
             |                           
            
                20.80
             | 
            
                20.77
             |                     
            
                5.45
             |                                 
            
                1,643,350
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2018
             | 
            
                -0.50 / -2.34%
             |             
            
                21.45
             |           
            
                21.45
             |               
            
                20.85
             |                           
            
                20.90
             | 
            
                21.11
             |                     
            
                5.48
             |                                 
            
                4,471,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2018
             | 
            
                -0.10 / -0.47%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                21.40
             |                           
            
                21.40
             | 
            
                21.52
             |                     
            
                5.61
             |                                 
            
                2,381,535
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2018
             | 
            
                0.00 / 0.00%
             |             
            
                21.65
             |           
            
                21.65
             |               
            
                21.35
             |                           
            
                21.50
             | 
            
                21.47
             |                     
            
                5.63
             |                                 
            
                3,486,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2018
             | 
            
                -0.35 / -1.60%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.50
             |                           
            
                21.50
             | 
            
                21.72
             |                     
            
                5.63
             |                                 
            
                3,881,010
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2018
             | 
            
                +0.05 / +0.23%
             |             
            
                21.70
             |           
            
                21.95
             |               
            
                21.55
             |                           
            
                21.85
             | 
            
                21.74
             |                     
            
                5.73
             |                                 
            
                3,077,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2018
             | 
            
                +0.30 / +1.40%
             |             
            
                21.70
             |           
            
                22.15
             |               
            
                21.55
             |                           
            
                21.80
             | 
            
                21.86
             |                     
            
                5.71
             |                                 
            
                4,290,860
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2018
             | 
            
                -0.40 / -1.83%
             |             
            
                21.80
             |           
            
                21.90
             |               
            
                21.50
             |                           
            
                21.50
             | 
            
                21.65
             |                     
            
                5.63
             |                                 
            
                2,787,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2018
             | 
            
                +0.55 / +2.58%
             |             
            
                21.70
             |           
            
                21.90
             |               
            
                21.50
             |                           
            
                21.90
             | 
            
                21.73
             |                     
            
                5.74
             |                                 
            
                5,037,930
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2018
             | 
            
                +0.10 / +0.47%
             |             
            
                21.25
             |           
            
                21.70
             |               
            
                21.15
             |                           
            
                21.35
             | 
            
                21.51
             |                     
            
                5.59
             |                                 
            
                5,457,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2018
             | 
            
                +0.20 / +0.95%
             |             
            
                21.00
             |           
            
                21.30
             |               
            
                20.95
             |                           
            
                21.25
             | 
            
                21.12
             |                     
            
                5.57
             |                                 
            
                3,861,530
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2018
             | 
            
                +0.05 / +0.24%
             |             
            
                21.20
             |           
            
                21.45
             |               
            
                20.90
             |                           
            
                21.05
             | 
            
                21.12
             |                     
            
                5.52
             |                                 
            
                5,357,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2018
             | 
            
                -0.05 / -0.24%
             |             
            
                20.40
             |           
            
                21.05
             |               
            
                20.35
             |                           
            
                21.00
             | 
            
                20.63
             |                     
            
                5.50
             |                                 
            
                5,571,150
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2018
             | 
            
                -0.35 / -1.64%
             |             
            
                21.40
             |           
            
                21.60
             |               
            
                21.05
             |                           
            
                21.05
             | 
            
                21.35
             |                     
            
                5.52
             |                                 
            
                3,211,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2018
             | 
            
                +0.30 / +1.42%
             |             
            
                21.10
             |           
            
                21.60
             |               
            
                20.85
             |                           
            
                21.40
             | 
            
                21.21
             |                     
            
                5.61
             |                                 
            
                7,834,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2018
             | 
            
                +0.10 / +0.48%
             |             
            
                21.55
             |           
            
                21.70
             |               
            
                21.10
             |                           
            
                21.10
             | 
            
                21.46
             |                     
            
                5.53
             |                                 
            
                3,955,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2018
             | 
            
                -0.15 / -0.71%
             |             
            
                20.80
             |           
            
                21.35
             |               
            
                20.70
             |                           
            
                21.00
             | 
            
                20.98
             |                     
            
                5.50
             |                                 
            
                5,060,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2018
             | 
            
                -0.50 / -2.31%
             |             
            
                21.65
             |           
            
                21.65
             |               
            
                21.15
             |                           
            
                21.15
             | 
            
                21.37
             |                     
            
                5.54
             |                                 
            
                4,181,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2018
             | 
            
                -0.10 / -0.46%
             |             
            
                22.00
             |           
            
                22.10
             |               
            
                21.55
             |                           
            
                21.65
             | 
            
                21.85
             |                     
            
                5.67
             |                                 
            
                7,084,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2018
             | 
            
                +0.45 / +2.11%
             |             
            
                21.30
             |           
            
                21.90
             |               
            
                21.30
             |                           
            
                21.75
             | 
            
                21.53
             |                     
            
                5.70
             |                                 
            
                6,072,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2018
             | 
            
                -0.50 / -2.29%
             |             
            
                21.90
             |           
            
                21.90
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.49
             |                     
            
                5.58
             |                                 
            
                4,251,170
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2018
             | 
            
                +0.55 / +2.59%
             |             
            
                21.00
             |           
            
                21.95
             |               
            
                21.00
             |                           
            
                21.80
             | 
            
                21.49
             |                     
            
                5.71
             |                                 
            
                8,482,230
             |  
            
                 
             |                                                              
             
    
         
    
    
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