| 
                 
                    Closing price on 4/26/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.45 | 
                 
                
                    | High | 
                    29.65 | 
                 
                
                    | Low | 
                    29.25 | 
                     
                
                    | Volume | 
                    16,200 | 
                                 
                
                    | Split-adjusted Price | 
                    27.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/26/2021
             | 
            
                -0.20 / -0.68%
             |             
            
                29.45
             |           
            
                29.65
             |               
            
                29.25
             |                           
            
                29.30
             | 
            
                29.37
             |                     
            
                27.20
             |                                 
            
                16,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2021
             | 
            
                -1.50 / -4.84%
             |             
            
                30.00
             |           
            
                30.10
             |               
            
                29.45
             |                           
            
                29.50
             | 
            
                29.69
             |                     
            
                27.38
             |                                 
            
                72,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2021
             | 
            
                -0.60 / -1.90%
             |             
            
                31.60
             |           
            
                31.60
             |               
            
                30.00
             |                           
            
                31.00
             | 
            
                31.60
             |                     
            
                28.77
             |                                 
            
                64,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2021
             | 
            
                -0.95 / -2.92%
             |             
            
                32.50
             |           
            
                32.55
             |               
            
                31.40
             |                           
            
                31.60
             | 
            
                31.98
             |                     
            
                29.33
             |                                 
            
                52,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2021
             | 
            
                -1.00 / -2.98%
             |             
            
                33.00
             |           
            
                33.25
             |               
            
                32.50
             |                           
            
                32.55
             | 
            
                32.78
             |                     
            
                30.21
             |                                 
            
                57,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2021
             | 
            
                -0.85 / -2.47%
             |             
            
                34.40
             |           
            
                34.55
             |               
            
                33.50
             |                           
            
                33.55
             | 
            
                34.23
             |                     
            
                29.47
             |                                 
            
                83,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2021
             | 
            
                -0.10 / -0.29%
             |             
            
                34.55
             |           
            
                34.65
             |               
            
                34.40
             |                           
            
                34.40
             | 
            
                34.54
             |                     
            
                30.22
             |                                 
            
                60,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2021
             | 
            
                0.00 / 0.00%
             |             
            
                34.50
             |           
            
                34.60
             |               
            
                34.40
             |                           
            
                34.50
             | 
            
                34.49
             |                     
            
                30.31
             |                                 
            
                70,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2021
             | 
            
                -0.05 / -0.14%
             |             
            
                34.55
             |           
            
                34.65
             |               
            
                34.20
             |                           
            
                34.50
             | 
            
                34.54
             |                     
            
                30.31
             |                                 
            
                105,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2021
             | 
            
                +0.25 / +0.73%
             |             
            
                34.35
             |           
            
                34.55
             |               
            
                34.30
             |                           
            
                34.55
             | 
            
                34.40
             |                     
            
                30.35
             |                                 
            
                72,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2021
             | 
            
                -0.10 / -0.29%
             |             
            
                34.40
             |           
            
                34.40
             |               
            
                34.00
             |                           
            
                34.30
             | 
            
                34.22
             |                     
            
                30.13
             |                                 
            
                82,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2021
             | 
            
                -0.75 / -2.13%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                33.90
             |                           
            
                34.40
             | 
            
                34.38
             |                     
            
                30.22
             |                                 
            
                56,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2021
             | 
            
                +0.40 / +1.15%
             |             
            
                35.60
             |           
            
                35.60
             |               
            
                34.80
             |                           
            
                35.15
             | 
            
                35.23
             |                     
            
                30.88
             |                                 
            
                101,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2021
             | 
            
                +1.90 / +5.78%
             |             
            
                33.10
             |           
            
                35.10
             |               
            
                33.10
             |                           
            
                34.75
             | 
            
                34.17
             |                     
            
                30.52
             |                                 
            
                187,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2021
             | 
            
                +0.15 / +0.46%
             |             
            
                32.85
             |           
            
                32.95
             |               
            
                32.70
             |                           
            
                32.85
             | 
            
                32.83
             |                     
            
                28.86
             |                                 
            
                50,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2021
             | 
            
                +0.10 / +0.31%
             |             
            
                32.80
             |           
            
                32.85
             |               
            
                32.60
             |                           
            
                32.70
             | 
            
                32.74
             |                     
            
                28.72
             |                                 
            
                23,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2021
             | 
            
                -0.25 / -0.76%
             |             
            
                32.85
             |           
            
                32.85
             |               
            
                32.60
             |                           
            
                32.60
             | 
            
                32.76
             |                     
            
                28.64
             |                                 
            
                18,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2021
             | 
            
                -0.10 / -0.30%
             |             
            
                32.90
             |           
            
                32.90
             |               
            
                32.80
             |                           
            
                32.85
             | 
            
                32.86
             |                     
            
                28.86
             |                                 
            
                50,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2021
             | 
            
                +0.05 / +0.15%
             |             
            
                32.60
             |           
            
                32.95
             |               
            
                32.60
             |                           
            
                32.95
             | 
            
                32.90
             |                     
            
                28.94
             |                                 
            
                39,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2021
             | 
            
                +0.15 / +0.46%
             |             
            
                32.95
             |           
            
                32.95
             |               
            
                32.80
             |                           
            
                32.90
             | 
            
                32.90
             |                     
            
                28.90
             |                                 
            
                30,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2021
             | 
            
                -0.25 / -0.76%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                32.00
             |                           
            
                32.75
             | 
            
                32.61
             |                     
            
                28.77
             |                                 
            
                41,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2021
             | 
            
                -0.10 / -0.30%
             |             
            
                33.10
             |           
            
                33.35
             |               
            
                32.70
             |                           
            
                33.00
             | 
            
                32.93
             |                     
            
                28.99
             |                                 
            
                48,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2021
             | 
            
                -0.40 / -1.19%
             |             
            
                33.00
             |           
            
                33.50
             |               
            
                33.00
             |                           
            
                33.10
             | 
            
                33.11
             |                     
            
                29.08
             |                                 
            
                31,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2021
             | 
            
                -0.40 / -1.18%
             |             
            
                33.90
             |           
            
                33.90
             |               
            
                33.30
             |                           
            
                33.50
             | 
            
                33.90
             |                     
            
                29.43
             |                                 
            
                27,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2021
             | 
            
                -0.30 / -0.88%
             |             
            
                33.75
             |           
            
                34.00
             |               
            
                33.65
             |                           
            
                33.90
             | 
            
                33.75
             |                     
            
                29.78
             |                                 
            
                49,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2021
             | 
            
                -0.40 / -1.16%
             |             
            
                34.60
             |           
            
                34.60
             |               
            
                34.00
             |                           
            
                34.20
             | 
            
                34.15
             |                     
            
                30.04
             |                                 
            
                33,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2021
             | 
            
                -0.20 / -0.57%
             |             
            
                34.80
             |           
            
                34.80
             |               
            
                34.20
             |                           
            
                34.60
             | 
            
                34.52
             |                     
            
                30.39
             |                                 
            
                52,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2021
             | 
            
                0.00 / 0.00%
             |             
            
                34.50
             |           
            
                34.80
             |               
            
                33.95
             |                           
            
                34.80
             | 
            
                34.38
             |                     
            
                30.57
             |                                 
            
                45,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2021
             | 
            
                -0.30 / -0.85%
             |             
            
                35.20
             |           
            
                35.20
             |               
            
                33.70
             |                           
            
                34.80
             | 
            
                34.26
             |                     
            
                30.57
             |                                 
            
                98,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2021
             | 
            
                -0.20 / -0.57%
             |             
            
                35.30
             |           
            
                35.60
             |               
            
                35.00
             |                           
            
                35.10
             | 
            
                35.19
             |                     
            
                30.83
             |                                 
            
                49,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |