| 
                 
                    Closing price on 2/5/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.20 | 
                 
                
                    | High | 
                    24.60 | 
                 
                
                    | Low | 
                    23.20 | 
                     
                
                    | Volume | 
                    1,800 | 
                                 
                
                    | Split-adjusted Price | 
                    22.36 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NBB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/5/2021
             | 
            
                -1.10 / -4.47%
             |             
            
                23.20
             |           
            
                24.60
             |               
            
                23.20
             |                           
            
                23.50
             | 
            
                23.73
             |                     
            
                22.36
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2021
             | 
            
                +0.15 / +0.61%
             |             
            
                24.60
             |           
            
                24.60
             |               
            
                24.60
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                23.41
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/3/2021
             | 
            
                +0.85 / +3.60%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                22.20
             |                           
            
                24.45
             | 
            
                23.90
             |                     
            
                23.27
             |                                 
            
                32,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2021
             | 
            
                +1.30 / +5.83%
             |             
            
                23.00
             |           
            
                23.60
             |               
            
                23.00
             |                           
            
                23.60
             | 
            
                23.51
             |                     
            
                22.46
             |                                 
            
                8,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2021
             | 
            
                -1.60 / -6.69%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.34
             |                     
            
                21.22
             |                                 
            
                8,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2021
             | 
            
                +0.60 / +2.58%
             |             
            
                21.70
             |           
            
                24.00
             |               
            
                21.70
             |                           
            
                23.90
             | 
            
                21.98
             |                     
            
                22.74
             |                                 
            
                8,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2021
             | 
            
                -1.65 / -6.61%
             |             
            
                23.30
             |           
            
                23.50
             |               
            
                23.30
             |                           
            
                23.30
             | 
            
                23.43
             |                     
            
                22.17
             |                                 
            
                5,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2021
             | 
            
                +0.25 / +1.01%
             |             
            
                23.35
             |           
            
                24.95
             |               
            
                23.35
             |                           
            
                24.95
             | 
            
                24.70
             |                     
            
                23.74
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2021
             | 
            
                +0.35 / +1.44%
             |             
            
                24.50
             |           
            
                24.70
             |               
            
                24.40
             |                           
            
                24.70
             | 
            
                24.53
             |                     
            
                23.51
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2021
             | 
            
                +0.30 / +1.25%
             |             
            
                24.05
             |           
            
                24.40
             |               
            
                24.05
             |                           
            
                24.35
             | 
            
                24.33
             |                     
            
                23.17
             |                                 
            
                5,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2021
             | 
            
                +0.05 / +0.21%
             |             
            
                24.00
             |           
            
                24.05
             |               
            
                24.00
             |                           
            
                24.05
             | 
            
                24.03
             |                     
            
                22.89
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2021
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                22.84
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2021
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                22.84
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2021
             | 
            
                -1.00 / -4.00%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.21
             |                     
            
                22.84
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2021
             | 
            
                -1.60 / -6.02%
             |             
            
                25.10
             |           
            
                26.60
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.67
             |                     
            
                23.79
             |                                 
            
                15,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2021
             | 
            
                0.00 / 0.00%
             |             
            
                26.60
             |           
            
                26.60
             |               
            
                26.60
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                25.31
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2021
             | 
            
                +1.60 / +6.40%
             |             
            
                26.60
             |           
            
                26.75
             |               
            
                25.30
             |                           
            
                26.60
             | 
            
                26.59
             |                     
            
                25.31
             |                                 
            
                35,370
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2021
             | 
            
                -1.50 / -5.66%
             |             
            
                26.50
             |           
            
                26.50
             |               
            
                24.80
             |                           
            
                25.00
             | 
            
                25.70
             |                     
            
                23.79
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2021
             | 
            
                -0.40 / -1.49%
             |             
            
                25.50
             |           
            
                26.50
             |               
            
                25.10
             |                           
            
                26.50
             | 
            
                25.35
             |                     
            
                25.22
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2021
             | 
            
                +1.15 / +4.47%
             |             
            
                25.75
             |           
            
                26.90
             |               
            
                25.75
             |                           
            
                26.90
             | 
            
                26.08
             |                     
            
                25.60
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2021
             | 
            
                -1.75 / -6.36%
             |             
            
                27.50
             |           
            
                27.80
             |               
            
                25.70
             |                           
            
                25.75
             | 
            
                26.72
             |                     
            
                24.51
             |                                 
            
                10,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2021
             | 
            
                +1.15 / +4.36%
             |             
            
                26.35
             |           
            
                27.85
             |               
            
                24.90
             |                           
            
                27.50
             | 
            
                27.19
             |                     
            
                26.17
             |                                 
            
                27,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2021
             | 
            
                +1.70 / +6.90%
             |             
            
                24.50
             |           
            
                26.35
             |               
            
                24.50
             |                           
            
                26.35
             | 
            
                26.31
             |                     
            
                25.08
             |                                 
            
                101,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2021
             | 
            
                -0.85 / -3.33%
             |             
            
                23.90
             |           
            
                24.70
             |               
            
                23.90
             |                           
            
                24.65
             | 
            
                24.65
             |                     
            
                23.46
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2021
             | 
            
                +1.25 / +5.15%
             |             
            
                23.00
             |           
            
                25.60
             |               
            
                23.00
             |                           
            
                25.50
             | 
            
                24.19
             |                     
            
                24.27
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2020
             | 
            
                +1.55 / +6.83%
             |             
            
                22.20
             |           
            
                24.25
             |               
            
                22.20
             |                           
            
                24.25
             | 
            
                23.71
             |                     
            
                23.08
             |                                 
            
                6,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2020
             | 
            
                +0.20 / +0.89%
             |             
            
                22.50
             |           
            
                23.00
             |               
            
                22.20
             |                           
            
                22.70
             | 
            
                22.61
             |                     
            
                21.60
             |                                 
            
                1,890
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2020
             | 
            
                0.00 / 0.00%
             |             
            
                22.50
             |           
            
                22.80
             |               
            
                22.00
             |                           
            
                22.50
             | 
            
                22.55
             |                     
            
                21.41
             |                                 
            
                6,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2020
             | 
            
                0.00 / 0.00%
             |             
            
                22.95
             |           
            
                23.00
             |               
            
                22.05
             |                           
            
                22.50
             | 
            
                22.30
             |                     
            
                21.41
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2020
             | 
            
                -0.20 / -0.88%
             |             
            
                22.20
             |           
            
                22.90
             |               
            
                21.80
             |                           
            
                22.50
             | 
            
                22.23
             |                     
            
                21.41
             |                                 
            
                5,360
             |  
            
                 
             |                                                              
             
    
         
    
    
 |