| 
                 
                    Closing price on 7/12/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.90 | 
                 
                
                    | High | 
                    7.00 | 
                 
                
                    | Low | 
                    6.80 | 
                     
                
                    | Volume | 
                    436,800 | 
                                 
                
                    | Split-adjusted Price | 
                    5.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NVB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                6.90
             |                     
            
                5.60
             |                                 
            
                436,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                7.00
             | 
            
                6.74
             |                     
            
                5.60
             |                                 
            
                442,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                6.92
             |                     
            
                5.60
             |                                 
            
                444,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                6.91
             |                     
            
                5.60
             |                                 
            
                1,013,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.50
             |                           
            
                7.00
             | 
            
                6.79
             |                     
            
                5.60
             |                                 
            
                479,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2018
             | 
            
                -0.20 / -2.78%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                6.98
             |                     
            
                5.60
             |                                 
            
                405,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.20
             | 
            
                6.97
             |                     
            
                5.76
             |                                 
            
                598,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2018
             | 
            
                -0.20 / -2.70%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                6.80
             |                           
            
                7.20
             | 
            
                7.27
             |                     
            
                5.76
             |                                 
            
                343,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2018
             | 
            
                -0.20 / -2.63%
             |             
            
                7.50
             |           
            
                8.30
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.47
             |                     
            
                5.92
             |                                 
            
                322,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2018
             | 
            
                +0.20 / +2.70%
             |             
            
                7.40
             |           
            
                7.60
             |               
            
                7.20
             |                           
            
                7.60
             | 
            
                7.50
             |                     
            
                6.08
             |                                 
            
                375,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2018
             | 
            
                -0.10 / -1.33%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                6.90
             |                           
            
                7.40
             | 
            
                7.20
             |                     
            
                5.92
             |                                 
            
                482,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.36
             |                     
            
                6.00
             |                                 
            
                560,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.35
             |                     
            
                6.00
             |                                 
            
                473,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2018
             | 
            
                -0.40 / -5.06%
             |             
            
                7.50
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.59
             |                     
            
                6.00
             |                                 
            
                346,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2018
             | 
            
                +0.50 / +6.76%
             |             
            
                7.40
             |           
            
                7.90
             |               
            
                7.30
             |                           
            
                7.90
             | 
            
                7.34
             |                     
            
                6.32
             |                                 
            
                365,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2018
             | 
            
                -0.20 / -2.63%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                5.92
             |                                 
            
                416,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.60
             |               
            
                7.20
             |                           
            
                7.60
             | 
            
                7.43
             |                     
            
                6.08
             |                                 
            
                947,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.10
             |                           
            
                7.60
             | 
            
                7.37
             |                     
            
                6.08
             |                                 
            
                922,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2018
             | 
            
                -0.10 / -1.30%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.56
             |                     
            
                6.08
             |                                 
            
                400,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.70
             | 
            
                7.60
             |                     
            
                6.16
             |                                 
            
                423,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.60
             |                           
            
                7.70
             | 
            
                7.60
             |                     
            
                6.16
             |                                 
            
                769,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2018
             | 
            
                -0.10 / -1.28%
             |             
            
                7.30
             |           
            
                7.70
             |               
            
                7.30
             |                           
            
                7.70
             | 
            
                7.62
             |                     
            
                6.16
             |                                 
            
                364,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2018
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.68
             |                     
            
                6.24
             |                                 
            
                357,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2018
             | 
            
                -0.10 / -1.27%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.73
             |                     
            
                6.24
             |                                 
            
                487,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2018
             | 
            
                -0.10 / -1.25%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.91
             |                     
            
                6.32
             |                                 
            
                1,231,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2018
             | 
            
                -0.20 / -2.44%
             |             
            
                7.80
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.06
             |                     
            
                6.40
             |                                 
            
                502,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2018
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.10
             |                           
            
                8.20
             | 
            
                8.16
             |                     
            
                6.56
             |                                 
            
                503,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2018
             | 
            
                +0.10 / +1.23%
             |             
            
                8.20
             |           
            
                8.30
             |               
            
                7.80
             |                           
            
                8.20
             | 
            
                8.16
             |                     
            
                6.56
             |                                 
            
                715,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2018
             | 
            
                +0.10 / +1.25%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                7.80
             |                           
            
                8.10
             | 
            
                8.01
             |                     
            
                6.48
             |                                 
            
                459,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2018
             | 
            
                +0.50 / +6.67%
             |             
            
                7.60
             |           
            
                8.00
             |               
            
                7.40
             |                           
            
                8.00
             | 
            
                7.65
             |                     
            
                6.40
             |                                 
            
                770,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |