| 
                 
                    Closing price on 11/21/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    79.00 | 
                 
                
                    | High | 
                    84.00 | 
                 
                
                    | Low | 
                    77.40 | 
                     
                
                    | Volume | 
                    60,300 | 
                                 
                
                    | Split-adjusted Price | 
                    27.95 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NNC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/21/2016
             | 
            
                -1.60 / -2.03%
             |             
            
                79.00
             |           
            
                84.00
             |               
            
                77.40
             |                           
            
                77.40
             | 
            
                78.28
             |                     
            
                27.95
             |                                 
            
                60,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2016
             | 
            
                -2.10 / -2.59%
             |             
            
                81.90
             |           
            
                81.90
             |               
            
                79.00
             |                           
            
                79.00
             | 
            
                80.36
             |                     
            
                28.53
             |                                 
            
                110,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2016
             | 
            
                -6.00 / -6.89%
             |             
            
                87.40
             |           
            
                87.40
             |               
            
                81.10
             |                           
            
                81.10
             | 
            
                82.00
             |                     
            
                29.29
             |                                 
            
                328,540
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2016
             | 
            
                -1.60 / -1.80%
             |             
            
                88.00
             |           
            
                88.00
             |               
            
                87.10
             |                           
            
                87.10
             | 
            
                87.62
             |                     
            
                31.45
             |                                 
            
                26,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2016
             | 
            
                +0.60 / +0.68%
             |             
            
                89.00
             |           
            
                89.00
             |               
            
                87.00
             |                           
            
                88.70
             | 
            
                87.88
             |                     
            
                32.03
             |                                 
            
                60,720
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2016
             | 
            
                -0.90 / -1.01%
             |             
            
                89.80
             |           
            
                89.90
             |               
            
                88.10
             |                           
            
                88.10
             | 
            
                88.99
             |                     
            
                31.81
             |                                 
            
                3,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2016
             | 
            
                +1.30 / +1.48%
             |             
            
                88.00
             |           
            
                89.20
             |               
            
                87.70
             |                           
            
                89.00
             | 
            
                88.47
             |                     
            
                32.14
             |                                 
            
                24,540
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2016
             | 
            
                -0.20 / -0.23%
             |             
            
                88.00
             |           
            
                90.00
             |               
            
                87.60
             |                           
            
                87.70
             | 
            
                88.13
             |                     
            
                31.67
             |                                 
            
                41,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2016
             | 
            
                -1.60 / -1.79%
             |             
            
                88.00
             |           
            
                89.60
             |               
            
                85.00
             |                           
            
                87.90
             | 
            
                86.77
             |                     
            
                31.74
             |                                 
            
                58,430
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2016
             | 
            
                -0.70 / -0.78%
             |             
            
                90.40
             |           
            
                90.40
             |               
            
                88.00
             |                           
            
                89.50
             | 
            
                88.89
             |                     
            
                32.32
             |                                 
            
                25,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2016
             | 
            
                +0.60 / +0.67%
             |             
            
                90.50
             |           
            
                90.50
             |               
            
                90.00
             |                           
            
                90.20
             | 
            
                90.10
             |                     
            
                32.57
             |                                 
            
                8,080
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2016
             | 
            
                -0.40 / -0.44%
             |             
            
                88.50
             |           
            
                90.70
             |               
            
                88.50
             |                           
            
                89.60
             | 
            
                89.83
             |                     
            
                32.35
             |                                 
            
                10,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2016
             | 
            
                -0.60 / -0.66%
             |             
            
                90.90
             |           
            
                90.90
             |               
            
                88.00
             |                           
            
                90.00
             | 
            
                89.43
             |                     
            
                32.50
             |                                 
            
                13,810
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2016
             | 
            
                -1.50 / -1.63%
             |             
            
                90.90
             |           
            
                91.90
             |               
            
                90.00
             |                           
            
                90.60
             | 
            
                90.36
             |                     
            
                32.72
             |                                 
            
                23,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2016
             | 
            
                -0.70 / -0.75%
             |             
            
                92.70
             |           
            
                92.70
             |               
            
                90.00
             |                           
            
                92.10
             | 
            
                91.29
             |                     
            
                33.26
             |                                 
            
                30,990
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2016
             | 
            
                -1.20 / -1.28%
             |             
            
                95.00
             |           
            
                95.00
             |               
            
                92.00
             |                           
            
                92.80
             | 
            
                92.75
             |                     
            
                33.51
             |                                 
            
                6,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2016
             | 
            
                +1.50 / +1.62%
             |             
            
                93.50
             |           
            
                94.40
             |               
            
                93.00
             |                           
            
                94.00
             | 
            
                93.61
             |                     
            
                33.94
             |                                 
            
                19,560
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2016
             | 
            
                +0.70 / +0.76%
             |             
            
                92.20
             |           
            
                93.00
             |               
            
                91.00
             |                           
            
                92.50
             | 
            
                92.28
             |                     
            
                33.40
             |                                 
            
                17,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2016
             | 
            
                -0.20 / -0.22%
             |             
            
                91.10
             |           
            
                92.30
             |               
            
                90.60
             |                           
            
                91.80
             | 
            
                91.61
             |                     
            
                33.15
             |                                 
            
                9,060
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2016
             | 
            
                0.00 / 0.00%
             |             
            
                91.50
             |           
            
                92.50
             |               
            
                90.00
             |                           
            
                92.00
             | 
            
                91.84
             |                     
            
                33.22
             |                                 
            
                13,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2016
             | 
            
                -1.20 / -1.29%
             |             
            
                93.20
             |           
            
                94.00
             |               
            
                92.00
             |                           
            
                92.00
             | 
            
                92.87
             |                     
            
                33.22
             |                                 
            
                36,760
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2016
             | 
            
                -0.80 / -0.85%
             |             
            
                95.00
             |           
            
                95.00
             |               
            
                93.10
             |                           
            
                93.20
             | 
            
                94.08
             |                     
            
                33.65
             |                                 
            
                31,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2016
             | 
            
                -0.70 / -0.74%
             |             
            
                95.00
             |           
            
                96.50
             |               
            
                94.00
             |                           
            
                94.00
             | 
            
                95.63
             |                     
            
                33.94
             |                                 
            
                49,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2016
             | 
            
                +0.70 / +0.74%
             |             
            
                94.00
             |           
            
                95.00
             |               
            
                92.50
             |                           
            
                94.70
             | 
            
                94.26
             |                     
            
                34.20
             |                                 
            
                31,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2016
             | 
            
                +0.40 / +0.43%
             |             
            
                93.60
             |           
            
                94.80
             |               
            
                91.80
             |                           
            
                94.00
             | 
            
                93.28
             |                     
            
                33.94
             |                                 
            
                38,990
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2016
             | 
            
                -1.40 / -1.47%
             |             
            
                96.00
             |           
            
                96.00
             |               
            
                93.60
             |                           
            
                93.60
             | 
            
                94.83
             |                     
            
                33.80
             |                                 
            
                52,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2016
             | 
            
                +3.00 / +3.26%
             |             
            
                92.00
             |           
            
                95.50
             |               
            
                92.00
             |                           
            
                95.00
             | 
            
                93.87
             |                     
            
                34.30
             |                                 
            
                42,380
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2016
             | 
            
                +2.00 / +2.22%
             |             
            
                90.00
             |           
            
                92.00
             |               
            
                90.00
             |                           
            
                92.00
             | 
            
                90.92
             |                     
            
                33.22
             |                                 
            
                22,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2016
             | 
            
                +1.20 / +1.35%
             |             
            
                88.80
             |           
            
                90.80
             |               
            
                88.00
             |                           
            
                90.00
             | 
            
                89.39
             |                     
            
                32.50
             |                                 
            
                18,190
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2016
             | 
            
                -0.70 / -0.78%
             |             
            
                89.50
             |           
            
                89.50
             |               
            
                86.60
             |                           
            
                88.80
             | 
            
                87.84
             |                     
            
                32.07
             |                                 
            
                32,990
             |  
            
                 
             |                                                              
             
    
         
    
    
 |