| 
                 
                    Closing price on 6/6/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    52.40 | 
                 
                
                    | High | 
                    52.50 | 
                 
                
                    | Low | 
                    51.80 | 
                     
                
                    | Volume | 
                    31,160 | 
                                 
                
                    | Split-adjusted Price | 
                    37.35 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/6/2019
             | 
            
                -0.10 / -0.19%
             |             
            
                52.40
             |           
            
                52.50
             |               
            
                51.80
             |                           
            
                52.20
             | 
            
                52.12
             |                     
            
                37.35
             |                                 
            
                31,160
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2019
             | 
            
                +0.40 / +0.77%
             |             
            
                52.30
             |           
            
                52.30
             |               
            
                51.90
             |                           
            
                52.30
             | 
            
                51.94
             |                     
            
                37.42
             |                                 
            
                25,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2019
             | 
            
                -0.30 / -0.57%
             |             
            
                52.00
             |           
            
                52.10
             |               
            
                51.90
             |                           
            
                51.90
             | 
            
                51.97
             |                     
            
                37.13
             |                                 
            
                11,910
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2019
             | 
            
                +0.30 / +0.58%
             |             
            
                51.90
             |           
            
                52.40
             |               
            
                51.90
             |                           
            
                52.20
             | 
            
                52.21
             |                     
            
                37.35
             |                                 
            
                20,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2019
             | 
            
                +0.10 / +0.19%
             |             
            
                52.20
             |           
            
                52.40
             |               
            
                51.80
             |                           
            
                51.90
             | 
            
                52.23
             |                     
            
                37.13
             |                                 
            
                38,640
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2019
             | 
            
                -0.20 / -0.38%
             |             
            
                51.30
             |           
            
                52.40
             |               
            
                51.30
             |                           
            
                51.80
             | 
            
                52.05
             |                     
            
                37.06
             |                                 
            
                19,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2019
             | 
            
                +1.00 / +1.96%
             |             
            
                51.10
             |           
            
                52.00
             |               
            
                51.00
             |                           
            
                52.00
             | 
            
                51.33
             |                     
            
                37.20
             |                                 
            
                20,730
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                51.00
             |           
            
                51.10
             |               
            
                50.50
             |                           
            
                51.00
             | 
            
                50.72
             |                     
            
                36.49
             |                                 
            
                11,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2019
             | 
            
                +0.40 / +0.79%
             |             
            
                50.60
             |           
            
                51.10
             |               
            
                50.50
             |                           
            
                51.00
             | 
            
                50.58
             |                     
            
                36.49
             |                                 
            
                24,120
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2019
             | 
            
                +0.60 / +1.20%
             |             
            
                50.20
             |           
            
                52.00
             |               
            
                50.00
             |                           
            
                50.60
             | 
            
                50.54
             |                     
            
                36.20
             |                                 
            
                29,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                50.10
             |           
            
                50.10
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.04
             |                     
            
                35.77
             |                                 
            
                12,370
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2019
             | 
            
                -0.20 / -0.40%
             |             
            
                50.00
             |           
            
                50.30
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.08
             |                     
            
                35.77
             |                                 
            
                6,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2019
             | 
            
                -0.20 / -0.40%
             |             
            
                50.40
             |           
            
                50.40
             |               
            
                50.10
             |                           
            
                50.20
             | 
            
                50.25
             |                     
            
                35.92
             |                                 
            
                6,070
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2019
             | 
            
                0.00 / 0.00%
             |             
            
                50.30
             |           
            
                50.40
             |               
            
                50.20
             |                           
            
                50.40
             | 
            
                50.35
             |                     
            
                36.06
             |                                 
            
                7,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2019
             | 
            
                +0.50 / +1.00%
             |             
            
                49.90
             |           
            
                50.40
             |               
            
                49.90
             |                           
            
                50.40
             | 
            
                49.99
             |                     
            
                36.06
             |                                 
            
                40,210
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                49.95
             |           
            
                49.95
             |               
            
                49.80
             |                           
            
                49.90
             | 
            
                49.95
             |                     
            
                35.70
             |                                 
            
                9,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2019
             | 
            
                0.00 / 0.00%
             |             
            
                49.95
             |           
            
                50.00
             |               
            
                49.90
             |                           
            
                49.90
             | 
            
                49.94
             |                     
            
                35.70
             |                                 
            
                13,130
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2019
             | 
            
                -0.10 / -0.20%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                49.90
             |                           
            
                49.90
             | 
            
                49.97
             |                     
            
                35.70
             |                                 
            
                15,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2019
             | 
            
                +0.05 / +0.10%
             |             
            
                49.90
             |           
            
                50.00
             |               
            
                49.80
             |                           
            
                50.00
             | 
            
                49.91
             |                     
            
                35.77
             |                                 
            
                11,560
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2019
             | 
            
                +0.15 / +0.30%
             |             
            
                49.90
             |           
            
                50.00
             |               
            
                48.50
             |                           
            
                49.95
             | 
            
                49.86
             |                     
            
                35.74
             |                                 
            
                6,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2019
             | 
            
                0.00 / 0.00%
             |             
            
                49.90
             |           
            
                50.00
             |               
            
                49.70
             |                           
            
                49.80
             | 
            
                49.90
             |                     
            
                35.63
             |                                 
            
                14,850
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2019
             | 
            
                -0.20 / -0.40%
             |             
            
                49.70
             |           
            
                50.00
             |               
            
                49.70
             |                           
            
                49.80
             | 
            
                49.82
             |                     
            
                35.63
             |                                 
            
                19,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2019
             | 
            
                0.00 / 0.00%
             |             
            
                49.80
             |           
            
                50.00
             |               
            
                49.80
             |                           
            
                50.00
             | 
            
                49.93
             |                     
            
                35.77
             |                                 
            
                7,450
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2019
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                49.70
             |                           
            
                50.00
             | 
            
                49.85
             |                     
            
                35.77
             |                                 
            
                26,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2019
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.10
             |               
            
                49.90
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                35.77
             |                                 
            
                9,120
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2019
             | 
            
                0.00 / 0.00%
             |             
            
                50.00
             |           
            
                50.10
             |               
            
                49.90
             |                           
            
                50.00
             | 
            
                50.05
             |                     
            
                35.77
             |                                 
            
                29,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2019
             | 
            
                -0.20 / -0.40%
             |             
            
                49.90
             |           
            
                50.40
             |               
            
                49.90
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                35.77
             |                                 
            
                6,540
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2019
             | 
            
                +0.20 / +0.40%
             |             
            
                50.00
             |           
            
                50.20
             |               
            
                49.90
             |                           
            
                50.20
             | 
            
                50.08
             |                     
            
                35.92
             |                                 
            
                1,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2019
             | 
            
                -0.20 / -0.40%
             |             
            
                50.00
             |           
            
                50.20
             |               
            
                49.80
             |                           
            
                50.00
             | 
            
                50.02
             |                     
            
                35.77
             |                                 
            
                20,130
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2019
             | 
            
                +0.30 / +0.60%
             |             
            
                50.30
             |           
            
                50.30
             |               
            
                49.80
             |                           
            
                50.20
             | 
            
                50.03
             |                     
            
                35.92
             |                                 
            
                33,080
             |  
            
                 
             |                                                              
             
    
         
    
    
 |