| 
                 
                    Closing price on 4/3/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.60 | 
                 
                
                    | High | 
                    4.60 | 
                 
                
                    | Low | 
                    4.50 | 
                     
                
                    | Volume | 
                    200 | 
                                 
                
                    | Split-adjusted Price | 
                    3.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NVB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/3/2017
             | 
            
                -0.10 / -2.17%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.55
             |                     
            
                3.60
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.60
             | 
            
                4.24
             |                     
            
                3.68
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.53
             |                     
            
                3.68
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                3.68
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                3.68
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2017
             | 
            
                -0.10 / -2.13%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.67
             |                     
            
                3.68
             |                                 
            
                1,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2017
             | 
            
                +0.30 / +6.82%
             |             
            
                4.30
             |           
            
                4.70
             |               
            
                4.20
             |                           
            
                4.70
             | 
            
                4.40
             |                     
            
                3.76
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                3.52
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                3.52
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2017
             | 
            
                +0.30 / +7.32%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.40
             | 
            
                4.22
             |                     
            
                3.52
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2017
             | 
            
                -0.20 / -4.65%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.33
             |                     
            
                3.28
             |                                 
            
                6,302
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                3.44
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2017
             | 
            
                -0.10 / -2.27%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                3.44
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                3.52
             |                                 
            
                1,002
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2017
             | 
            
                -0.10 / -2.22%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                3.52
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.53
             |                     
            
                3.60
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.50
             | 
            
                4.25
             |                     
            
                3.60
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2017
             | 
            
                +0.10 / +2.27%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                3.60
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2017
             | 
            
                -0.10 / -2.22%
             |             
            
                4.20
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.30
             |                     
            
                3.52
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2017
             | 
            
                -0.10 / -2.17%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.53
             |                     
            
                3.60
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2017
             | 
            
                -0.10 / -2.13%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.60
             | 
            
                4.45
             |                     
            
                3.68
             |                                 
            
                6,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.72
             |                     
            
                3.76
             |                                 
            
                11,218
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2017
             | 
            
                -0.10 / -2.08%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                3.76
             |                                 
            
                239
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2017
             | 
            
                +0.40 / +9.09%
             |             
            
                4.40
             |           
            
                4.80
             |               
            
                4.40
             |                           
            
                4.80
             | 
            
                4.62
             |                     
            
                3.84
             |                                 
            
                16,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.60
             |               
            
                4.10
             |                           
            
                4.40
             | 
            
                4.39
             |                     
            
                3.52
             |                                 
            
                20,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2017
             | 
            
                +0.10 / +2.33%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                3.52
             |                                 
            
                3,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2017
             | 
            
                +0.10 / +2.38%
             |             
            
                4.10
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.30
             | 
            
                4.05
             |                     
            
                3.44
             |                                 
            
                22,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2017
             | 
            
                -0.30 / -6.67%
             |             
            
                4.20
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.26
             |                     
            
                3.36
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.50
             |               
            
                4.10
             |                           
            
                4.50
             | 
            
                4.15
             |                     
            
                3.60
             |                                 
            
                11,730
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2017
             | 
            
                +0.10 / +2.27%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.50
             | 
            
                4.45
             |                     
            
                3.60
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |