| 
                 
                    Closing price on 9/22/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.95 | 
                 
                
                    | High | 
                    19.95 | 
                 
                
                    | Low | 
                    19.05 | 
                     
                
                    | Volume | 
                    39,080 | 
                                 
                
                    | Split-adjusted Price | 
                    18.65 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NBB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/22/2020
             | 
            
                -0.10 / -0.51%
             |             
            
                19.95
             |           
            
                19.95
             |               
            
                19.05
             |                           
            
                19.60
             | 
            
                19.63
             |                     
            
                18.65
             |                                 
            
                39,080
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2020
             | 
            
                -0.30 / -1.50%
             |             
            
                19.80
             |           
            
                20.50
             |               
            
                19.00
             |                           
            
                19.70
             | 
            
                19.86
             |                     
            
                18.75
             |                                 
            
                212,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2020
             | 
            
                +0.20 / +1.01%
             |             
            
                20.00
             |           
            
                20.40
             |               
            
                19.70
             |                           
            
                20.00
             | 
            
                19.89
             |                     
            
                19.03
             |                                 
            
                84,670
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2020
             | 
            
                +0.05 / +0.25%
             |             
            
                19.70
             |           
            
                20.50
             |               
            
                19.70
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                18.84
             |                                 
            
                1,048,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2020
             | 
            
                +0.25 / +1.28%
             |             
            
                19.60
             |           
            
                20.00
             |               
            
                19.60
             |                           
            
                19.75
             | 
            
                19.71
             |                     
            
                18.80
             |                                 
            
                1,527,160
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2020
             | 
            
                -0.05 / -0.26%
             |             
            
                19.55
             |           
            
                19.60
             |               
            
                19.45
             |                           
            
                19.50
             | 
            
                19.56
             |                     
            
                18.56
             |                                 
            
                928,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2020
             | 
            
                0.00 / 0.00%
             |             
            
                19.60
             |           
            
                19.80
             |               
            
                19.55
             |                           
            
                19.55
             | 
            
                19.65
             |                     
            
                18.60
             |                                 
            
                778,130
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2020
             | 
            
                -0.05 / -0.26%
             |             
            
                20.20
             |           
            
                20.20
             |               
            
                19.45
             |                           
            
                19.55
             | 
            
                19.63
             |                     
            
                18.60
             |                                 
            
                561,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2020
             | 
            
                +0.35 / +1.82%
             |             
            
                19.45
             |           
            
                20.00
             |               
            
                19.40
             |                           
            
                19.60
             | 
            
                19.56
             |                     
            
                18.65
             |                                 
            
                1,730,940
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2020
             | 
            
                0.00 / 0.00%
             |             
            
                19.00
             |           
            
                19.45
             |               
            
                19.00
             |                           
            
                19.25
             | 
            
                19.21
             |                     
            
                18.32
             |                                 
            
                679,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2020
             | 
            
                +0.05 / +0.26%
             |             
            
                19.20
             |           
            
                19.30
             |               
            
                19.00
             |                           
            
                19.25
             | 
            
                19.22
             |                     
            
                18.32
             |                                 
            
                333,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2020
             | 
            
                +0.20 / +1.05%
             |             
            
                19.00
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.20
             | 
            
                19.18
             |                     
            
                18.27
             |                                 
            
                1,054,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/4/2020
             | 
            
                +0.10 / +0.53%
             |             
            
                18.90
             |           
            
                19.05
             |               
            
                18.90
             |                           
            
                19.00
             | 
            
                19.01
             |                     
            
                18.08
             |                                 
            
                24,780
             |            
            
                 
             |                                       
         
    
        
            | 
                9/3/2020
             | 
            
                +0.15 / +0.80%
             |             
            
                18.70
             |           
            
                19.00
             |               
            
                18.50
             |                           
            
                18.90
             | 
            
                18.80
             |                     
            
                17.99
             |                                 
            
                11,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2020
             | 
            
                -0.20 / -1.06%
             |             
            
                18.65
             |           
            
                18.90
             |               
            
                18.60
             |                           
            
                18.75
             | 
            
                18.79
             |                     
            
                17.84
             |                                 
            
                31,130
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2020
             | 
            
                +0.45 / +2.43%
             |             
            
                18.95
             |           
            
                18.95
             |               
            
                18.50
             |                           
            
                18.95
             | 
            
                18.84
             |                     
            
                18.03
             |                                 
            
                2,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2020
             | 
            
                -0.45 / -2.37%
             |             
            
                18.85
             |           
            
                18.90
             |               
            
                18.50
             |                           
            
                18.50
             | 
            
                18.72
             |                     
            
                17.61
             |                                 
            
                13,730
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.60
             |           
            
                18.95
             |               
            
                18.60
             |                           
            
                18.95
             | 
            
                18.80
             |                     
            
                18.03
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2020
             | 
            
                -0.05 / -0.26%
             |             
            
                18.55
             |           
            
                18.95
             |               
            
                18.15
             |                           
            
                18.95
             | 
            
                18.57
             |                     
            
                18.03
             |                                 
            
                13,890
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.50
             |           
            
                19.00
             |               
            
                18.25
             |                           
            
                19.00
             | 
            
                18.46
             |                     
            
                18.08
             |                                 
            
                37,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2020
             | 
            
                +0.20 / +1.06%
             |             
            
                18.25
             |           
            
                19.00
             |               
            
                18.25
             |                           
            
                19.00
             | 
            
                18.89
             |                     
            
                18.08
             |                                 
            
                13,020
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2020
             | 
            
                +0.20 / +1.08%
             |             
            
                18.85
             |           
            
                18.85
             |               
            
                18.80
             |                           
            
                18.80
             | 
            
                18.83
             |                     
            
                17.89
             |                                 
            
                110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                18.55
             |           
            
                18.60
             |               
            
                18.55
             |                           
            
                18.60
             | 
            
                18.59
             |                     
            
                17.70
             |                                 
            
                15,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2020
             | 
            
                -0.20 / -1.06%
             |             
            
                18.75
             |           
            
                18.75
             |               
            
                18.25
             |                           
            
                18.60
             | 
            
                18.30
             |                     
            
                17.70
             |                                 
            
                3,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2020
             | 
            
                +0.15 / +0.80%
             |             
            
                18.85
             |           
            
                18.85
             |               
            
                18.50
             |                           
            
                18.80
             | 
            
                18.75
             |                     
            
                17.89
             |                                 
            
                480
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2020
             | 
            
                -0.05 / -0.27%
             |             
            
                18.10
             |           
            
                18.85
             |               
            
                18.05
             |                           
            
                18.65
             | 
            
                18.12
             |                     
            
                17.75
             |                                 
            
                7,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |