| 
                 
                    Closing price on 8/14/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    18.90 | 
                 
                
                    | High | 
                    18.90 | 
                 
                
                    | Low | 
                    18.50 | 
                     
                
                    | Volume | 
                    1,330 | 
                                 
                
                    | Split-adjusted Price | 
                    17.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NBB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/14/2020
             | 
            
                -0.15 / -0.80%
             |             
            
                18.90
             |           
            
                18.90
             |               
            
                18.50
             |                           
            
                18.70
             | 
            
                18.80
             |                     
            
                17.80
             |                                 
            
                1,330
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2020
             | 
            
                -0.10 / -0.53%
             |             
            
                18.35
             |           
            
                18.85
             |               
            
                18.35
             |                           
            
                18.85
             | 
            
                18.60
             |                     
            
                17.94
             |                                 
            
                40
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2020
             | 
            
                +0.05 / +0.26%
             |             
            
                18.70
             |           
            
                18.95
             |               
            
                18.50
             |                           
            
                18.95
             | 
            
                18.78
             |                     
            
                18.03
             |                                 
            
                330
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2020
             | 
            
                +0.15 / +0.80%
             |             
            
                18.85
             |           
            
                18.90
             |               
            
                18.05
             |                           
            
                18.90
             | 
            
                18.72
             |                     
            
                17.99
             |                                 
            
                2,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2020
             | 
            
                +0.05 / +0.27%
             |             
            
                19.20
             |           
            
                19.20
             |               
            
                18.35
             |                           
            
                18.75
             | 
            
                18.85
             |                     
            
                17.84
             |                                 
            
                4,510
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2020
             | 
            
                +0.50 / +2.75%
             |             
            
                18.20
             |           
            
                18.75
             |               
            
                18.00
             |                           
            
                18.70
             | 
            
                18.22
             |                     
            
                17.80
             |                                 
            
                14,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2020
             | 
            
                -0.30 / -1.62%
             |             
            
                18.50
             |           
            
                19.35
             |               
            
                18.20
             |                           
            
                18.20
             | 
            
                18.32
             |                     
            
                17.32
             |                                 
            
                2,620
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2020
             | 
            
                -0.50 / -2.63%
             |             
            
                18.15
             |           
            
                19.00
             |               
            
                18.15
             |                           
            
                18.50
             | 
            
                18.64
             |                     
            
                17.61
             |                                 
            
                15,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2020
             | 
            
                +0.70 / +3.83%
             |             
            
                17.85
             |           
            
                19.00
             |               
            
                17.85
             |                           
            
                19.00
             | 
            
                18.63
             |                     
            
                18.08
             |                                 
            
                38,870
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2020
             | 
            
                +0.30 / +1.67%
             |             
            
                17.20
             |           
            
                18.30
             |               
            
                17.20
             |                           
            
                18.30
             | 
            
                18.00
             |                     
            
                17.42
             |                                 
            
                461,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                17.13
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2020
             | 
            
                0.00 / 0.00%
             |             
            
                17.50
             |           
            
                18.10
             |               
            
                17.50
             |                           
            
                18.00
             | 
            
                17.78
             |                     
            
                17.13
             |                                 
            
                2,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2020
             | 
            
                -0.70 / -3.74%
             |             
            
                17.50
             |           
            
                18.25
             |               
            
                17.50
             |                           
            
                18.00
             | 
            
                17.91
             |                     
            
                17.13
             |                                 
            
                9,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2020
             | 
            
                -0.10 / -0.53%
             |             
            
                18.60
             |           
            
                18.70
             |               
            
                17.60
             |                           
            
                18.70
             | 
            
                18.69
             |                     
            
                17.80
             |                                 
            
                25,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2020
             | 
            
                +1.20 / +6.82%
             |             
            
                16.50
             |           
            
                18.80
             |               
            
                16.40
             |                           
            
                18.80
             | 
            
                18.17
             |                     
            
                17.89
             |                                 
            
                31,540
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2020
             | 
            
                -0.20 / -1.12%
             |             
            
                17.40
             |           
            
                17.60
             |               
            
                16.60
             |                           
            
                17.60
             | 
            
                16.93
             |                     
            
                16.75
             |                                 
            
                98,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2020
             | 
            
                -0.30 / -1.66%
             |             
            
                17.60
             |           
            
                17.85
             |               
            
                17.40
             |                           
            
                17.80
             | 
            
                17.63
             |                     
            
                16.94
             |                                 
            
                16,790
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2020
             | 
            
                -0.30 / -1.63%
             |             
            
                17.80
             |           
            
                18.10
             |               
            
                17.60
             |                           
            
                18.10
             | 
            
                17.67
             |                     
            
                17.23
             |                                 
            
                7,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2020
             | 
            
                +0.20 / +1.10%
             |             
            
                18.45
             |           
            
                18.45
             |               
            
                17.20
             |                           
            
                18.40
             | 
            
                17.64
             |                     
            
                17.51
             |                                 
            
                13,830
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.20
             |           
            
                18.20
             |               
            
                18.20
             |                           
            
                18.20
             | 
            
                18.20
             |                     
            
                17.32
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2020
             | 
            
                +0.10 / +0.55%
             |             
            
                18.15
             |           
            
                18.90
             |               
            
                17.50
             |                           
            
                18.20
             | 
            
                17.82
             |                     
            
                17.32
             |                                 
            
                66,990
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2020
             | 
            
                -0.10 / -0.55%
             |             
            
                18.25
             |           
            
                18.25
             |               
            
                18.10
             |                           
            
                18.10
             | 
            
                18.22
             |                     
            
                17.23
             |                                 
            
                21,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2020
             | 
            
                -0.15 / -0.82%
             |             
            
                18.20
             |           
            
                18.35
             |               
            
                18.05
             |                           
            
                18.20
             | 
            
                18.18
             |                     
            
                17.32
             |                                 
            
                75,070
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.65
             |           
            
                18.70
             |               
            
                18.25
             |                           
            
                18.35
             | 
            
                18.26
             |                     
            
                17.46
             |                                 
            
                22,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2020
             | 
            
                +0.05 / +0.27%
             |             
            
                18.70
             |           
            
                18.70
             |               
            
                18.30
             |                           
            
                18.35
             | 
            
                18.47
             |                     
            
                17.46
             |                                 
            
                5,090
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2020
             | 
            
                -0.25 / -1.35%
             |             
            
                18.55
             |           
            
                18.80
             |               
            
                18.30
             |                           
            
                18.30
             | 
            
                18.38
             |                     
            
                17.42
             |                                 
            
                10,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2020
             | 
            
                +0.05 / +0.27%
             |             
            
                18.35
             |           
            
                18.90
             |               
            
                18.30
             |                           
            
                18.55
             | 
            
                18.36
             |                     
            
                17.65
             |                                 
            
                8,060
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2020
             | 
            
                +0.05 / +0.27%
             |             
            
                19.10
             |           
            
                19.10
             |               
            
                18.35
             |                           
            
                18.50
             | 
            
                18.37
             |                     
            
                17.61
             |                                 
            
                12,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2020
             | 
            
                +0.05 / +0.27%
             |             
            
                18.40
             |           
            
                18.50
             |               
            
                18.40
             |                           
            
                18.45
             | 
            
                18.44
             |                     
            
                17.56
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2020
             | 
            
                -0.10 / -0.54%
             |             
            
                18.45
             |           
            
                18.50
             |               
            
                18.35
             |                           
            
                18.40
             | 
            
                18.43
             |                     
            
                17.51
             |                                 
            
                35,810
             |  
            
                 
             |                                                              
             
    
         
    
    
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