| 
                 
                    Closing price on 11/28/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.30 | 
                 
                
                    | High | 
                    7.40 | 
                 
                
                    | Low | 
                    7.10 | 
                     
                
                    | Volume | 
                    68,400 | 
                                 
                
                    | Split-adjusted Price | 
                    5.68 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NVB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/28/2017
             | 
            
                -0.20 / -2.74%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.22
             |                     
            
                5.68
             |                                 
            
                68,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2017
             | 
            
                +0.40 / +5.80%
             |             
            
                7.00
             |           
            
                7.50
             |               
            
                6.90
             |                           
            
                7.30
             | 
            
                7.19
             |                     
            
                5.84
             |                                 
            
                207,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.93
             |                     
            
                5.52
             |                                 
            
                98,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2017
             | 
            
                +0.10 / +1.47%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.83
             |                     
            
                5.52
             |                                 
            
                173,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.44
             |                                 
            
                143,110
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.79
             |                     
            
                5.44
             |                                 
            
                59,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2017
             | 
            
                -0.20 / -2.86%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.44
             |                                 
            
                7,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2017
             | 
            
                +0.10 / +1.45%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                7.00
             | 
            
                6.81
             |                     
            
                5.60
             |                                 
            
                119,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2017
             | 
            
                +0.10 / +1.47%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                5.52
             |                                 
            
                67,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2017
             | 
            
                -0.10 / -1.45%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.84
             |                     
            
                5.44
             |                                 
            
                17,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2017
             | 
            
                +0.20 / +2.99%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                5.52
             |                                 
            
                86,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.71
             |                     
            
                5.36
             |                                 
            
                10,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                5.36
             |                                 
            
                53,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2017
             | 
            
                +0.10 / +1.52%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.68
             |                     
            
                5.36
             |                                 
            
                17,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.67
             |                     
            
                5.28
             |                                 
            
                29,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2017
             | 
            
                -0.10 / -1.49%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.67
             |                     
            
                5.28
             |                                 
            
                40,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2017
             | 
            
                +0.10 / +1.52%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                5.36
             |                                 
            
                69,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2017
             | 
            
                -0.10 / -1.49%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.64
             |                     
            
                5.28
             |                                 
            
                18,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2017
             | 
            
                -0.10 / -1.47%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.72
             |                     
            
                5.36
             |                                 
            
                42,820
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2017
             | 
            
                +0.20 / +3.03%
             |             
            
                6.70
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.81
             |                     
            
                5.44
             |                                 
            
                119,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2017
             | 
            
                -0.30 / -4.35%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.73
             |                     
            
                5.28
             |                                 
            
                70,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.80
             |                     
            
                5.52
             |                                 
            
                25,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2017
             | 
            
                -0.10 / -1.43%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.80
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                5.52
             |                                 
            
                23,510
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                6.98
             |                     
            
                5.60
             |                                 
            
                13,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                6.97
             |                     
            
                5.60
             |                                 
            
                71,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                5.60
             |                                 
            
                22,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2017
             | 
            
                -0.30 / -4.11%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.03
             |                     
            
                5.60
             |                                 
            
                17,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2017
             | 
            
                +0.10 / +1.39%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.16
             |                     
            
                5.84
             |                                 
            
                114,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2017
             | 
            
                +0.10 / +1.41%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.20
             | 
            
                7.11
             |                     
            
                5.76
             |                                 
            
                28,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.68
             |                                 
            
                18,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |