| 
                 
                    Closing price on 2/21/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    51.70 | 
                 
                
                    | High | 
                    51.80 | 
                 
                
                    | Low | 
                    51.60 | 
                     
                
                    | Volume | 
                    16,130 | 
                                 
                
                    | Split-adjusted Price | 
                    35.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/21/2019
             | 
            
                0.00 / 0.00%
             |             
            
                51.70
             |           
            
                51.80
             |               
            
                51.60
             |                           
            
                51.80
             | 
            
                51.70
             |                     
            
                35.63
             |                                 
            
                16,130
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2019
             | 
            
                -0.10 / -0.19%
             |             
            
                51.70
             |           
            
                51.90
             |               
            
                51.70
             |                           
            
                51.80
             | 
            
                51.75
             |                     
            
                35.63
             |                                 
            
                37,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2019
             | 
            
                -0.10 / -0.19%
             |             
            
                51.80
             |           
            
                51.90
             |               
            
                51.50
             |                           
            
                51.90
             | 
            
                51.70
             |                     
            
                35.70
             |                                 
            
                16,730
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2019
             | 
            
                +0.30 / +0.58%
             |             
            
                52.00
             |           
            
                52.30
             |               
            
                51.80
             |                           
            
                52.00
             | 
            
                51.93
             |                     
            
                35.77
             |                                 
            
                77,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2019
             | 
            
                -0.30 / -0.58%
             |             
            
                52.00
             |           
            
                52.00
             |               
            
                51.70
             |                           
            
                51.70
             | 
            
                51.84
             |                     
            
                35.56
             |                                 
            
                24,480
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2019
             | 
            
                -0.20 / -0.38%
             |             
            
                52.10
             |           
            
                52.10
             |               
            
                51.90
             |                           
            
                52.00
             | 
            
                52.04
             |                     
            
                35.77
             |                                 
            
                12,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2019
             | 
            
                +0.10 / +0.19%
             |             
            
                52.10
             |           
            
                52.40
             |               
            
                51.90
             |                           
            
                52.20
             | 
            
                52.18
             |                     
            
                35.90
             |                                 
            
                52,760
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2019
             | 
            
                +0.10 / +0.19%
             |             
            
                52.10
             |           
            
                52.10
             |               
            
                51.80
             |                           
            
                52.10
             | 
            
                51.99
             |                     
            
                35.83
             |                                 
            
                36,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2019
             | 
            
                -0.30 / -0.57%
             |             
            
                52.30
             |           
            
                52.50
             |               
            
                51.90
             |                           
            
                52.00
             | 
            
                52.17
             |                     
            
                35.77
             |                                 
            
                28,160
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2019
             | 
            
                +0.30 / +0.58%
             |             
            
                52.00
             |           
            
                52.50
             |               
            
                51.20
             |                           
            
                52.30
             | 
            
                52.02
             |                     
            
                35.97
             |                                 
            
                23,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2019
             | 
            
                +0.10 / +0.19%
             |             
            
                52.00
             |           
            
                52.00
             |               
            
                51.90
             |                           
            
                52.00
             | 
            
                51.97
             |                     
            
                35.77
             |                                 
            
                45,120
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2019
             | 
            
                +0.50 / +0.97%
             |             
            
                51.40
             |           
            
                52.00
             |               
            
                51.20
             |                           
            
                51.90
             | 
            
                51.73
             |                     
            
                35.70
             |                                 
            
                23,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2019
             | 
            
                +0.40 / +0.78%
             |             
            
                51.00
             |           
            
                51.40
             |               
            
                50.80
             |                           
            
                51.40
             | 
            
                51.17
             |                     
            
                35.35
             |                                 
            
                25,250
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2019
             | 
            
                +0.20 / +0.39%
             |             
            
                50.70
             |           
            
                51.00
             |               
            
                50.60
             |                           
            
                51.00
             | 
            
                50.70
             |                     
            
                35.08
             |                                 
            
                16,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2019
             | 
            
                +1.20 / +2.42%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                49.50
             |                           
            
                50.80
             | 
            
                49.63
             |                     
            
                34.94
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2019
             | 
            
                -0.40 / -0.80%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                49.50
             |                           
            
                49.60
             | 
            
                49.62
             |                     
            
                34.11
             |                                 
            
                6,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2019
             | 
            
                0.00 / 0.00%
             |             
            
                49.30
             |           
            
                50.30
             |               
            
                49.30
             |                           
            
                50.00
             | 
            
                49.90
             |                     
            
                34.39
             |                                 
            
                5,230
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2019
             | 
            
                +0.80 / +1.63%
             |             
            
                50.80
             |           
            
                51.00
             |               
            
                49.60
             |                           
            
                50.00
             | 
            
                50.48
             |                     
            
                34.39
             |                                 
            
                19,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2019
             | 
            
                +0.50 / +1.03%
             |             
            
                48.70
             |           
            
                49.50
             |               
            
                48.50
             |                           
            
                49.20
             | 
            
                49.00
             |                     
            
                33.84
             |                                 
            
                11,450
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2019
             | 
            
                -0.10 / -0.20%
             |             
            
                48.60
             |           
            
                48.90
             |               
            
                48.50
             |                           
            
                48.70
             | 
            
                48.52
             |                     
            
                33.50
             |                                 
            
                4,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2019
             | 
            
                +0.10 / +0.21%
             |             
            
                48.70
             |           
            
                49.20
             |               
            
                48.70
             |                           
            
                48.80
             | 
            
                48.95
             |                     
            
                33.56
             |                                 
            
                4,270
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2019
             | 
            
                -0.30 / -0.61%
             |             
            
                49.50
             |           
            
                49.50
             |               
            
                48.70
             |                           
            
                48.70
             | 
            
                48.95
             |                     
            
                33.50
             |                                 
            
                1,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2019
             | 
            
                +0.80 / +1.66%
             |             
            
                48.70
             |           
            
                49.00
             |               
            
                48.70
             |                           
            
                49.00
             | 
            
                48.78
             |                     
            
                33.70
             |                                 
            
                17,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2019
             | 
            
                +0.30 / +0.63%
             |             
            
                47.90
             |           
            
                48.20
             |               
            
                47.90
             |                           
            
                48.20
             | 
            
                47.92
             |                     
            
                33.15
             |                                 
            
                12,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2019
             | 
            
                0.00 / 0.00%
             |             
            
                47.90
             |           
            
                48.00
             |               
            
                47.90
             |                           
            
                47.90
             | 
            
                47.99
             |                     
            
                32.95
             |                                 
            
                4,730
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2019
             | 
            
                -0.30 / -0.62%
             |             
            
                48.10
             |           
            
                48.15
             |               
            
                47.90
             |                           
            
                47.90
             | 
            
                48.01
             |                     
            
                32.95
             |                                 
            
                7,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2019
             | 
            
                +0.45 / +0.94%
             |             
            
                48.10
             |           
            
                48.20
             |               
            
                47.90
             |                           
            
                48.20
             | 
            
                48.05
             |                     
            
                33.15
             |                                 
            
                11,050
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2019
             | 
            
                -0.25 / -0.52%
             |             
            
                48.00
             |           
            
                48.10
             |               
            
                47.75
             |                           
            
                47.75
             | 
            
                47.93
             |                     
            
                32.84
             |                                 
            
                7,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2019
             | 
            
                +0.50 / +1.05%
             |             
            
                48.30
             |           
            
                48.30
             |               
            
                47.50
             |                           
            
                48.00
             | 
            
                48.05
             |                     
            
                33.01
             |                                 
            
                12,550
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2019
             | 
            
                +0.05 / +0.11%
             |             
            
                47.20
             |           
            
                47.50
             |               
            
                47.20
             |                           
            
                47.50
             | 
            
                47.31
             |                     
            
                32.67
             |                                 
            
                9,470
             |  
            
                 
             |                                                              
             
    
         
    
    
 |