| 
                 
                    Closing price on 7/28/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    8.20 | 
                 
                
                    | Low | 
                    7.60 | 
                     
                
                    | Volume | 
                    76,860 | 
                                 
                
                    | Split-adjusted Price | 
                    6.48 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NVB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/28/2017
             | 
            
                +0.10 / +1.25%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.60
             |                           
            
                8.10
             | 
            
                7.82
             |                     
            
                6.48
             |                                 
            
                76,860
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2017
             | 
            
                +0.20 / +2.56%
             |             
            
                7.80
             |           
            
                8.50
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.21
             |                     
            
                6.40
             |                                 
            
                137,543
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2017
             | 
            
                +0.70 / +9.86%
             |             
            
                7.10
             |           
            
                7.80
             |               
            
                7.10
             |                           
            
                7.80
             | 
            
                7.49
             |                     
            
                6.24
             |                                 
            
                3,765,450
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                6.80
             |                           
            
                7.10
             | 
            
                7.14
             |                     
            
                5.68
             |                                 
            
                46,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2017
             | 
            
                -0.20 / -2.74%
             |             
            
                6.80
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                7.10
             | 
            
                6.88
             |                     
            
                5.68
             |                                 
            
                8,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.37
             |                     
            
                5.84
             |                                 
            
                9,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2017
             | 
            
                -0.20 / -2.67%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.37
             |                     
            
                5.84
             |                                 
            
                31,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2017
             | 
            
                +0.20 / +2.74%
             |             
            
                7.30
             |           
            
                8.00
             |               
            
                6.70
             |                           
            
                7.50
             | 
            
                7.34
             |                     
            
                6.00
             |                                 
            
                99,003
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.31
             |                     
            
                5.84
             |                                 
            
                66,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.32
             |                     
            
                5.84
             |                                 
            
                121,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2017
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.20
             |                     
            
                5.84
             |                                 
            
                103,310
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2017
             | 
            
                +0.20 / +2.82%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.55
             |                     
            
                5.84
             |                                 
            
                18,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2017
             | 
            
                -0.50 / -6.58%
             |             
            
                7.00
             |           
            
                8.00
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.33
             |                     
            
                5.68
             |                                 
            
                273,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2017
             | 
            
                +0.10 / +1.33%
             |             
            
                7.40
             |           
            
                7.60
             |               
            
                6.80
             |                           
            
                7.60
             | 
            
                6.95
             |                     
            
                6.08
             |                                 
            
                652,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2017
             | 
            
                -0.60 / -7.41%
             |             
            
                7.50
             |           
            
                8.70
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.94
             |                     
            
                6.00
             |                                 
            
                92,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2017
             | 
            
                -0.90 / -10.00%
             |             
            
                9.00
             |           
            
                9.70
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.41
             |                     
            
                6.48
             |                                 
            
                444,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.09
             |                     
            
                7.20
             |                                 
            
                586,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2017
             | 
            
                +0.80 / +9.76%
             |             
            
                8.20
             |           
            
                9.00
             |               
            
                8.20
             |                           
            
                9.00
             | 
            
                8.71
             |                     
            
                7.20
             |                                 
            
                735,726
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/4/2017
             | 
            
                +0.70 / +9.33%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                7.60
             |                           
            
                8.20
             | 
            
                8.08
             |                     
            
                6.56
             |                                 
            
                146,650
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2017
             | 
            
                +0.30 / +4.17%
             |             
            
                7.40
             |           
            
                7.90
             |               
            
                7.10
             |                           
            
                7.50
             | 
            
                7.62
             |                     
            
                6.00
             |                                 
            
                254,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/30/2017
             | 
            
                -0.50 / -6.49%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.31
             |                     
            
                5.76
             |                                 
            
                66,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2017
             | 
            
                -0.30 / -3.75%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.71
             |                     
            
                6.16
             |                                 
            
                20,916
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2017
             | 
            
                -0.40 / -4.76%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.01
             |                     
            
                6.40
             |                                 
            
                14,230
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2017
             | 
            
                -0.30 / -3.45%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                7.90
             |                           
            
                8.40
             | 
            
                8.13
             |                     
            
                6.72
             |                                 
            
                94,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2017
             | 
            
                -0.80 / -8.42%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.72
             |                     
            
                6.96
             |                                 
            
                39,007
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2017
             | 
            
                -1.00 / -9.52%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.54
             |                     
            
                7.60
             |                                 
            
                83,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2017
             | 
            
                +0.90 / +9.38%
             |             
            
                9.20
             |           
            
                10.50
             |               
            
                9.20
             |                           
            
                10.50
             | 
            
                9.98
             |                     
            
                8.40
             |                                 
            
                29,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2017
             | 
            
                -0.80 / -7.69%
             |             
            
                10.40
             |           
            
                11.30
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.96
             |                     
            
                7.68
             |                                 
            
                147,663
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2017
             | 
            
                +0.10 / +0.97%
             |             
            
                10.90
             |           
            
                11.30
             |               
            
                9.50
             |                           
            
                10.40
             | 
            
                10.36
             |                     
            
                8.32
             |                                 
            
                4,434,914
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2017
             | 
            
                +0.90 / +9.57%
             |             
            
                9.50
             |           
            
                10.30
             |               
            
                9.50
             |                           
            
                10.30
             | 
            
                10.23
             |                     
            
                8.24
             |                                 
            
                112,951
             |  
            
                 
             |                                                              
             
    
         
    
    
 |