| 
                 
                    Closing price on 6/15/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    18.50 | 
                 
                
                    | High | 
                    19.30 | 
                 
                
                    | Low | 
                    18.45 | 
                     
                
                    | Volume | 
                    20,600 | 
                                 
                
                    | Split-adjusted Price | 
                    17.99 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NBB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/15/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.50
             |           
            
                19.30
             |               
            
                18.45
             |                           
            
                18.90
             | 
            
                18.54
             |                     
            
                17.99
             |                                 
            
                20,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2020
             | 
            
                -0.10 / -0.53%
             |             
            
                19.00
             |           
            
                19.10
             |               
            
                18.20
             |                           
            
                18.90
             | 
            
                18.80
             |                     
            
                17.99
             |                                 
            
                2,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2020
             | 
            
                -0.30 / -1.55%
             |             
            
                19.25
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.15
             |                     
            
                18.08
             |                                 
            
                46,010
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2020
             | 
            
                0.00 / 0.00%
             |             
            
                19.35
             |           
            
                19.35
             |               
            
                19.00
             |                           
            
                19.30
             | 
            
                19.05
             |                     
            
                18.37
             |                                 
            
                20,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2020
             | 
            
                +0.15 / +0.78%
             |             
            
                19.10
             |           
            
                19.40
             |               
            
                19.05
             |                           
            
                19.30
             | 
            
                19.19
             |                     
            
                18.37
             |                                 
            
                37,370
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2020
             | 
            
                +0.35 / +1.86%
             |             
            
                19.00
             |           
            
                19.15
             |               
            
                18.95
             |                           
            
                19.15
             | 
            
                19.02
             |                     
            
                18.22
             |                                 
            
                58,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2020
             | 
            
                -0.20 / -1.05%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                18.80
             |                           
            
                18.80
             | 
            
                18.94
             |                     
            
                17.89
             |                                 
            
                37,490
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.60
             |           
            
                19.10
             |               
            
                18.60
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                18.08
             |                                 
            
                54,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2020
             | 
            
                -0.15 / -0.78%
             |             
            
                19.15
             |           
            
                19.15
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.08
             |                     
            
                18.08
             |                                 
            
                6,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2020
             | 
            
                +0.25 / +1.32%
             |             
            
                18.55
             |           
            
                19.20
             |               
            
                18.55
             |                           
            
                19.15
             | 
            
                19.07
             |                     
            
                18.22
             |                                 
            
                19,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2020
             | 
            
                -0.15 / -0.79%
             |             
            
                18.90
             |           
            
                19.20
             |               
            
                18.90
             |                           
            
                18.90
             | 
            
                19.10
             |                     
            
                17.99
             |                                 
            
                76,160
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2020
             | 
            
                -0.15 / -0.78%
             |             
            
                19.20
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.05
             | 
            
                19.05
             |                     
            
                18.13
             |                                 
            
                15,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2020
             | 
            
                0.00 / 0.00%
             |             
            
                19.20
             |           
            
                19.40
             |               
            
                19.10
             |                           
            
                19.20
             | 
            
                19.15
             |                     
            
                18.27
             |                                 
            
                5,640
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2020
             | 
            
                +0.10 / +0.52%
             |             
            
                19.05
             |           
            
                19.50
             |               
            
                19.05
             |                           
            
                19.20
             | 
            
                19.39
             |                     
            
                18.27
             |                                 
            
                491,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2020
             | 
            
                +0.05 / +0.26%
             |             
            
                19.35
             |           
            
                19.35
             |               
            
                19.00
             |                           
            
                19.10
             | 
            
                19.01
             |                     
            
                18.18
             |                                 
            
                24,880
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2020
             | 
            
                -0.15 / -0.78%
             |             
            
                19.05
             |           
            
                19.45
             |               
            
                19.00
             |                           
            
                19.05
             | 
            
                19.09
             |                     
            
                18.13
             |                                 
            
                12,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2020
             | 
            
                -0.15 / -0.78%
             |             
            
                19.20
             |           
            
                19.20
             |               
            
                19.10
             |                           
            
                19.20
             | 
            
                19.17
             |                     
            
                18.27
             |                                 
            
                8,240
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2020
             | 
            
                +0.10 / +0.52%
             |             
            
                19.15
             |           
            
                19.45
             |               
            
                19.15
             |                           
            
                19.35
             | 
            
                19.32
             |                     
            
                18.41
             |                                 
            
                12,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2020
             | 
            
                +0.15 / +0.79%
             |             
            
                19.10
             |           
            
                19.25
             |               
            
                19.05
             |                           
            
                19.25
             | 
            
                19.08
             |                     
            
                18.32
             |                                 
            
                161,740
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2020
             | 
            
                0.00 / 0.00%
             |             
            
                19.10
             |           
            
                19.30
             |               
            
                19.10
             |                           
            
                19.10
             | 
            
                19.16
             |                     
            
                18.18
             |                                 
            
                20,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2020
             | 
            
                -0.10 / -0.52%
             |             
            
                19.40
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.10
             | 
            
                19.03
             |                     
            
                18.18
             |                                 
            
                34,950
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2020
             | 
            
                -0.25 / -1.29%
             |             
            
                19.40
             |           
            
                20.70
             |               
            
                19.00
             |                           
            
                19.20
             | 
            
                19.21
             |                     
            
                18.27
             |                                 
            
                13,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2020
             | 
            
                -0.05 / -0.26%
             |             
            
                18.65
             |           
            
                19.95
             |               
            
                18.65
             |                           
            
                19.45
             | 
            
                19.34
             |                     
            
                18.51
             |                                 
            
                17,890
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2020
             | 
            
                +0.30 / +1.56%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.82
             |                     
            
                18.56
             |                                 
            
                348,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2020
             | 
            
                +1.05 / +5.79%
             |             
            
                18.15
             |           
            
                19.40
             |               
            
                18.15
             |                           
            
                19.20
             | 
            
                19.02
             |                     
            
                18.27
             |                                 
            
                71,240
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2020
             | 
            
                -0.55 / -2.94%
             |             
            
                19.00
             |           
            
                19.10
             |               
            
                17.90
             |                           
            
                18.15
             | 
            
                18.26
             |                     
            
                17.27
             |                                 
            
                577,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2020
             | 
            
                +0.15 / +0.81%
             |             
            
                18.55
             |           
            
                18.70
             |               
            
                18.50
             |                           
            
                18.70
             | 
            
                18.55
             |                     
            
                17.80
             |                                 
            
                26,150
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2020
             | 
            
                -0.45 / -2.37%
             |             
            
                18.60
             |           
            
                18.60
             |               
            
                18.50
             |                           
            
                18.55
             | 
            
                18.52
             |                     
            
                17.65
             |                                 
            
                3,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2020
             | 
            
                0.00 / 0.00%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                18.80
             |                           
            
                19.00
             | 
            
                18.95
             |                     
            
                18.08
             |                                 
            
                648,020
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2020
             | 
            
                -0.05 / -0.26%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                18.08
             |                                 
            
                390
             |  
            
                 
             |                                                              
             
    
         
    
    
 |