| 
                 
                    Closing price on 7/14/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    59.90 | 
                 
                
                    | High | 
                    60.00 | 
                 
                
                    | Low | 
                    58.90 | 
                     
                
                    | Volume | 
                    11,830 | 
                                 
                
                    | Split-adjusted Price | 
                    30.05 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/14/2017
             | 
            
                0.00 / 0.00%
             |             
            
                59.90
             |           
            
                60.00
             |               
            
                58.90
             |                           
            
                60.00
             | 
            
                59.85
             |                     
            
                30.05
             |                                 
            
                11,830
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2017
             | 
            
                -0.40 / -0.66%
             |             
            
                60.40
             |           
            
                60.50
             |               
            
                59.00
             |                           
            
                60.00
             | 
            
                59.57
             |                     
            
                30.05
             |                                 
            
                11,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2017
             | 
            
                +0.40 / +0.67%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                59.60
             |                           
            
                60.40
             | 
            
                60.08
             |                     
            
                30.25
             |                                 
            
                19,590
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                59.70
             |           
            
                60.00
             |               
            
                58.30
             |                           
            
                60.00
             | 
            
                59.11
             |                     
            
                30.05
             |                                 
            
                18,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2017
             | 
            
                -0.20 / -0.33%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                58.00
             |                           
            
                60.00
             | 
            
                58.93
             |                     
            
                30.05
             |                                 
            
                37,740
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2017
             | 
            
                -2.40 / -3.83%
             |             
            
                62.00
             |           
            
                62.80
             |               
            
                60.20
             |                           
            
                60.20
             | 
            
                61.01
             |                     
            
                30.15
             |                                 
            
                29,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2017
             | 
            
                -20.50 / -24.67%
             |             
            
                66.60
             |           
            
                66.60
             |               
            
                62.50
             |                           
            
                62.60
             | 
            
                63.09
             |                     
            
                31.35
             |                                 
            
                26,470
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2017
             | 
            
                -0.30 / -0.36%
             |             
            
                83.40
             |           
            
                83.40
             |               
            
                82.00
             |                           
            
                83.10
             | 
            
                82.88
             |                     
            
                31.21
             |                                 
            
                75,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/4/2017
             | 
            
                -0.20 / -0.24%
             |             
            
                83.90
             |           
            
                83.90
             |               
            
                82.90
             |                           
            
                83.40
             | 
            
                83.41
             |                     
            
                31.33
             |                                 
            
                69,630
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                83.90
             |           
            
                84.10
             |               
            
                83.60
             |                           
            
                83.60
             | 
            
                83.85
             |                     
            
                31.40
             |                                 
            
                48,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/30/2017
             | 
            
                -0.40 / -0.48%
             |             
            
                84.00
             |           
            
                84.20
             |               
            
                83.50
             |                           
            
                83.60
             | 
            
                83.75
             |                     
            
                31.40
             |                                 
            
                75,520
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                84.00
             |           
            
                84.10
             |               
            
                83.70
             |                           
            
                84.00
             | 
            
                83.91
             |                     
            
                31.55
             |                                 
            
                28,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2017
             | 
            
                -0.20 / -0.24%
             |             
            
                84.20
             |           
            
                84.20
             |               
            
                83.60
             |                           
            
                84.00
             | 
            
                83.96
             |                     
            
                31.55
             |                                 
            
                20,140
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2017
             | 
            
                0.00 / 0.00%
             |             
            
                84.20
             |           
            
                84.20
             |               
            
                83.50
             |                           
            
                84.20
             | 
            
                83.97
             |                     
            
                31.63
             |                                 
            
                34,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2017
             | 
            
                +0.60 / +0.72%
             |             
            
                83.50
             |           
            
                84.40
             |               
            
                83.10
             |                           
            
                84.20
             | 
            
                84.00
             |                     
            
                31.63
             |                                 
            
                57,260
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2017
             | 
            
                +0.60 / +0.72%
             |             
            
                84.90
             |           
            
                84.90
             |               
            
                83.60
             |                           
            
                83.60
             | 
            
                84.21
             |                     
            
                31.40
             |                                 
            
                96,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2017
             | 
            
                +0.50 / +0.61%
             |             
            
                81.30
             |           
            
                83.30
             |               
            
                81.30
             |                           
            
                83.00
             | 
            
                83.00
             |                     
            
                31.18
             |                                 
            
                28,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2017
             | 
            
                +0.70 / +0.86%
             |             
            
                81.80
             |           
            
                82.60
             |               
            
                80.50
             |                           
            
                82.50
             | 
            
                82.09
             |                     
            
                30.99
             |                                 
            
                33,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2017
             | 
            
                +1.80 / +2.25%
             |             
            
                80.50
             |           
            
                82.40
             |               
            
                80.00
             |                           
            
                81.80
             | 
            
                81.42
             |                     
            
                30.73
             |                                 
            
                55,340
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2017
             | 
            
                +0.20 / +0.25%
             |             
            
                79.80
             |           
            
                80.50
             |               
            
                79.00
             |                           
            
                80.00
             | 
            
                79.93
             |                     
            
                30.05
             |                                 
            
                8,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/16/2017
             | 
            
                +0.30 / +0.38%
             |             
            
                79.50
             |           
            
                79.80
             |               
            
                78.80
             |                           
            
                79.80
             | 
            
                79.41
             |                     
            
                29.97
             |                                 
            
                29,380
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2017
             | 
            
                +0.10 / +0.13%
             |             
            
                78.80
             |           
            
                79.60
             |               
            
                78.80
             |                           
            
                79.50
             | 
            
                79.37
             |                     
            
                29.86
             |                                 
            
                14,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2017
             | 
            
                +1.30 / +1.66%
             |             
            
                78.10
             |           
            
                79.40
             |               
            
                78.10
             |                           
            
                79.40
             | 
            
                79.21
             |                     
            
                29.82
             |                                 
            
                19,870
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2017
             | 
            
                -1.10 / -1.39%
             |             
            
                79.00
             |           
            
                79.40
             |               
            
                78.10
             |                           
            
                78.10
             | 
            
                78.25
             |                     
            
                29.34
             |                                 
            
                14,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2017
             | 
            
                -0.20 / -0.25%
             |             
            
                79.00
             |           
            
                79.20
             |               
            
                78.10
             |                           
            
                79.20
             | 
            
                78.80
             |                     
            
                29.75
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2017
             | 
            
                -0.50 / -0.63%
             |             
            
                79.40
             |           
            
                79.70
             |               
            
                79.00
             |                           
            
                79.40
             | 
            
                79.11
             |                     
            
                29.82
             |                                 
            
                10,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2017
             | 
            
                +0.40 / +0.50%
             |             
            
                79.50
             |           
            
                79.90
             |               
            
                78.60
             |                           
            
                79.90
             | 
            
                79.61
             |                     
            
                30.01
             |                                 
            
                23,490
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2017
             | 
            
                -0.20 / -0.25%
             |             
            
                79.70
             |           
            
                79.70
             |               
            
                78.60
             |                           
            
                79.50
             | 
            
                79.23
             |                     
            
                29.86
             |                                 
            
                23,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2017
             | 
            
                -0.30 / -0.38%
             |             
            
                79.00
             |           
            
                80.00
             |               
            
                79.00
             |                           
            
                79.70
             | 
            
                79.21
             |                     
            
                29.94
             |                                 
            
                14,190
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2017
             | 
            
                +0.70 / +0.88%
             |             
            
                78.70
             |           
            
                80.00
             |               
            
                78.50
             |                           
            
                80.00
             | 
            
                79.02
             |                     
            
                30.05
             |                                 
            
                18,640
             |  
            
                 
             |                                                              
             
    
         
    
    
 |