| 
                 
                    Closing price on 3/5/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    33.60 | 
                 
                
                    | High | 
                    33.80 | 
                 
                
                    | Low | 
                    33.00 | 
                     
                
                    | Volume | 
                    67,700 | 
                                 
                
                    | Split-adjusted Price | 
                    29.34 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/5/2021
             | 
            
                -1.05 / -3.05%
             |             
            
                33.60
             |           
            
                33.80
             |               
            
                33.00
             |                           
            
                33.40
             | 
            
                33.32
             |                     
            
                29.34
             |                                 
            
                67,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2021
             | 
            
                -1.05 / -2.96%
             |             
            
                35.00
             |           
            
                35.60
             |               
            
                34.30
             |                           
            
                34.45
             | 
            
                35.04
             |                     
            
                30.26
             |                                 
            
                146,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2021
             | 
            
                -0.80 / -2.20%
             |             
            
                36.20
             |           
            
                36.20
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                31.18
             |                                 
            
                185,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2021
             | 
            
                -0.30 / -0.82%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.30
             |                           
            
                36.30
             | 
            
                36.43
             |                     
            
                31.89
             |                                 
            
                30,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2021
             | 
            
                +0.45 / +1.24%
             |             
            
                36.20
             |           
            
                36.70
             |               
            
                36.10
             |                           
            
                36.60
             | 
            
                36.39
             |                     
            
                32.15
             |                                 
            
                54,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2021
             | 
            
                -0.35 / -0.96%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                36.10
             |                           
            
                36.15
             | 
            
                36.31
             |                     
            
                31.75
             |                                 
            
                33,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2021
             | 
            
                -0.10 / -0.27%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.30
             |                           
            
                36.50
             | 
            
                36.45
             |                     
            
                32.06
             |                                 
            
                37,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2021
             | 
            
                -0.30 / -0.81%
             |             
            
                36.65
             |           
            
                36.90
             |               
            
                36.55
             |                           
            
                36.60
             | 
            
                36.71
             |                     
            
                32.15
             |                                 
            
                23,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2021
             | 
            
                0.00 / 0.00%
             |             
            
                36.70
             |           
            
                36.90
             |               
            
                36.60
             |                           
            
                36.90
             | 
            
                36.77
             |                     
            
                32.41
             |                                 
            
                79,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2021
             | 
            
                -0.10 / -0.27%
             |             
            
                36.90
             |           
            
                37.10
             |               
            
                36.85
             |                           
            
                36.90
             | 
            
                36.98
             |                     
            
                32.41
             |                                 
            
                25,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2021
             | 
            
                -0.10 / -0.27%
             |             
            
                36.90
             |           
            
                37.10
             |               
            
                36.85
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                32.50
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2021
             | 
            
                0.00 / 0.00%
             |             
            
                37.10
             |           
            
                37.15
             |               
            
                37.10
             |                           
            
                37.10
             | 
            
                37.11
             |                     
            
                32.59
             |                                 
            
                42,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2021
             | 
            
                +0.10 / +0.27%
             |             
            
                37.00
             |           
            
                37.10
             |               
            
                36.90
             |                           
            
                37.10
             | 
            
                37.00
             |                     
            
                32.59
             |                                 
            
                42,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2021
             | 
            
                +0.65 / +1.79%
             |             
            
                36.35
             |           
            
                37.00
             |               
            
                36.35
             |                           
            
                37.00
             | 
            
                36.35
             |                     
            
                32.50
             |                                 
            
                18,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2021
             | 
            
                -0.70 / -1.89%
             |             
            
                37.05
             |           
            
                37.05
             |               
            
                36.30
             |                           
            
                36.35
             | 
            
                36.62
             |                     
            
                31.93
             |                                 
            
                32,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2021
             | 
            
                -0.05 / -0.13%
             |             
            
                37.10
             |           
            
                37.10
             |               
            
                36.85
             |                           
            
                37.05
             | 
            
                36.96
             |                     
            
                32.55
             |                                 
            
                31,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2021
             | 
            
                -0.05 / -0.13%
             |             
            
                37.15
             |           
            
                37.15
             |               
            
                37.00
             |                           
            
                37.10
             | 
            
                37.05
             |                     
            
                32.59
             |                                 
            
                21,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2021
             | 
            
                +0.05 / +0.13%
             |             
            
                37.00
             |           
            
                37.15
             |               
            
                36.90
             |                           
            
                37.15
             | 
            
                37.06
             |                     
            
                32.63
             |                                 
            
                27,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2021
             | 
            
                +0.20 / +0.54%
             |             
            
                36.90
             |           
            
                37.15
             |               
            
                36.05
             |                           
            
                37.10
             | 
            
                36.90
             |                     
            
                32.59
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2021
             | 
            
                -1.25 / -3.28%
             |             
            
                37.60
             |           
            
                37.95
             |               
            
                36.70
             |                           
            
                36.90
             | 
            
                36.90
             |                     
            
                32.41
             |                                 
            
                19,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2021
             | 
            
                +2.35 / +6.56%
             |             
            
                35.80
             |           
            
                38.15
             |               
            
                35.50
             |                           
            
                38.15
             | 
            
                36.17
             |                     
            
                33.51
             |                                 
            
                18,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2021
             | 
            
                -1.80 / -4.79%
             |             
            
                37.40
             |           
            
                37.40
             |               
            
                35.65
             |                           
            
                35.80
             | 
            
                35.96
             |                     
            
                31.45
             |                                 
            
                155,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2021
             | 
            
                -0.20 / -0.53%
             |             
            
                37.80
             |           
            
                37.80
             |               
            
                37.50
             |                           
            
                37.60
             | 
            
                37.80
             |                     
            
                33.03
             |                                 
            
                48,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2021
             | 
            
                -0.50 / -1.31%
             |             
            
                38.20
             |           
            
                38.30
             |               
            
                37.70
             |                           
            
                37.80
             | 
            
                37.84
             |                     
            
                33.20
             |                                 
            
                48,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2021
             | 
            
                +0.05 / +0.13%
             |             
            
                38.25
             |           
            
                38.40
             |               
            
                38.05
             |                           
            
                38.30
             | 
            
                38.20
             |                     
            
                33.64
             |                                 
            
                40,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2021
             | 
            
                0.00 / 0.00%
             |             
            
                38.30
             |           
            
                38.30
             |               
            
                38.10
             |                           
            
                38.25
             | 
            
                38.22
             |                     
            
                33.60
             |                                 
            
                48,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2021
             | 
            
                +0.55 / +1.46%
             |             
            
                37.70
             |           
            
                38.30
             |               
            
                37.70
             |                           
            
                38.25
             | 
            
                38.00
             |                     
            
                33.60
             |                                 
            
                51,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2021
             | 
            
                -0.30 / -0.79%
             |             
            
                38.25
             |           
            
                38.25
             |               
            
                37.20
             |                           
            
                37.70
             | 
            
                37.72
             |                     
            
                33.12
             |                                 
            
                62,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2021
             | 
            
                -0.40 / -1.04%
             |             
            
                38.55
             |           
            
                38.55
             |               
            
                37.60
             |                           
            
                38.00
             | 
            
                38.40
             |                     
            
                33.38
             |                                 
            
                70,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2021
             | 
            
                +0.20 / +0.52%
             |             
            
                38.20
             |           
            
                38.50
             |               
            
                38.20
             |                           
            
                38.40
             | 
            
                38.20
             |                     
            
                33.73
             |                                 
            
                150,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |