| 
                 
                    Closing price on 8/31/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    35.80 | 
                 
                
                    | High | 
                    35.90 | 
                 
                
                    | Low | 
                    35.50 | 
                     
                
                    | Volume | 
                    796,360 | 
                                 
                
                    | Split-adjusted Price | 
                    15.58 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NT2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/31/2016
             | 
            
                -0.20 / -0.56%
             |             
            
                35.80
             |           
            
                35.90
             |               
            
                35.50
             |                           
            
                35.60
             | 
            
                35.70
             |                     
            
                15.58
             |                                 
            
                796,360
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2016
             | 
            
                +0.90 / +2.58%
             |             
            
                34.90
             |           
            
                35.80
             |               
            
                34.90
             |                           
            
                35.80
             | 
            
                35.41
             |                     
            
                15.67
             |                                 
            
                855,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2016
             | 
            
                -0.10 / -0.29%
             |             
            
                35.00
             |           
            
                35.50
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                35.17
             |                     
            
                15.27
             |                                 
            
                822,340
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2016
             | 
            
                +0.40 / +1.16%
             |             
            
                34.70
             |           
            
                35.10
             |               
            
                34.50
             |                           
            
                35.00
             | 
            
                34.71
             |                     
            
                15.32
             |                                 
            
                347,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2016
             | 
            
                -0.20 / -0.57%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.50
             |                           
            
                34.60
             | 
            
                34.67
             |                     
            
                15.14
             |                                 
            
                452,250
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2016
             | 
            
                +0.10 / +0.29%
             |             
            
                34.70
             |           
            
                34.90
             |               
            
                34.60
             |                           
            
                34.80
             | 
            
                34.75
             |                     
            
                15.23
             |                                 
            
                240,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2016
             | 
            
                -0.10 / -0.29%
             |             
            
                34.70
             |           
            
                34.80
             |               
            
                34.50
             |                           
            
                34.70
             | 
            
                34.65
             |                     
            
                15.19
             |                                 
            
                476,890
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2016
             | 
            
                -0.40 / -1.14%
             |             
            
                35.20
             |           
            
                35.50
             |               
            
                34.80
             |                           
            
                34.80
             | 
            
                35.14
             |                     
            
                15.23
             |                                 
            
                693,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2016
             | 
            
                -0.20 / -0.56%
             |             
            
                35.30
             |           
            
                35.60
             |               
            
                35.10
             |                           
            
                35.20
             | 
            
                35.30
             |                     
            
                15.40
             |                                 
            
                430,410
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2016
             | 
            
                -0.40 / -1.12%
             |             
            
                35.80
             |           
            
                35.90
             |               
            
                35.30
             |                           
            
                35.40
             | 
            
                35.44
             |                     
            
                15.49
             |                                 
            
                1,049,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2016
             | 
            
                +0.30 / +0.85%
             |             
            
                35.50
             |           
            
                35.90
             |               
            
                35.20
             |                           
            
                35.80
             | 
            
                35.75
             |                     
            
                15.67
             |                                 
            
                556,770
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2016
             | 
            
                +0.90 / +2.60%
             |             
            
                34.60
             |           
            
                35.60
             |               
            
                34.50
             |                           
            
                35.50
             | 
            
                35.18
             |                     
            
                15.54
             |                                 
            
                1,226,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2016
             | 
            
                +0.20 / +0.58%
             |             
            
                34.40
             |           
            
                34.70
             |               
            
                34.20
             |                           
            
                34.60
             | 
            
                34.48
             |                     
            
                15.14
             |                                 
            
                504,680
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2016
             | 
            
                -1.70 / -4.71%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.30
             |                           
            
                34.40
             | 
            
                34.54
             |                     
            
                15.05
             |                                 
            
                740,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2016
             | 
            
                0.00 / 0.00%
             |             
            
                36.20
             |           
            
                36.80
             |               
            
                36.00
             |                           
            
                36.10
             | 
            
                36.23
             |                     
            
                15.14
             |                                 
            
                682,120
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2016
             | 
            
                -0.30 / -0.82%
             |             
            
                36.40
             |           
            
                36.60
             |               
            
                36.00
             |                           
            
                36.10
             | 
            
                36.28
             |                     
            
                15.14
             |                                 
            
                422,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2016
             | 
            
                +1.60 / +4.60%
             |             
            
                34.90
             |           
            
                36.50
             |               
            
                34.70
             |                           
            
                36.40
             | 
            
                35.91
             |                     
            
                15.27
             |                                 
            
                1,330,540
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.60
             |           
            
                34.90
             |               
            
                34.60
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                14.60
             |                                 
            
                197,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.40
             |           
            
                34.90
             |               
            
                34.40
             |                           
            
                34.80
             | 
            
                34.65
             |                     
            
                14.60
             |                                 
            
                231,670
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.80
             |           
            
                35.30
             |               
            
                34.70
             |                           
            
                34.80
             | 
            
                34.92
             |                     
            
                14.60
             |                                 
            
                402,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2016
             | 
            
                -0.20 / -0.57%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.60
             |                           
            
                34.80
             | 
            
                34.78
             |                     
            
                14.60
             |                                 
            
                163,780
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2016
             | 
            
                -0.20 / -0.57%
             |             
            
                35.20
             |           
            
                35.20
             |               
            
                34.80
             |                           
            
                35.00
             | 
            
                34.94
             |                     
            
                14.68
             |                                 
            
                578,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2016
             | 
            
                +0.10 / +0.28%
             |             
            
                35.30
             |           
            
                35.30
             |               
            
                34.90
             |                           
            
                35.20
             | 
            
                35.10
             |                     
            
                14.76
             |                                 
            
                283,670
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2016
             | 
            
                +0.40 / +1.15%
             |             
            
                34.80
             |           
            
                35.30
             |               
            
                34.70
             |                           
            
                35.10
             | 
            
                35.08
             |                     
            
                14.72
             |                                 
            
                563,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2016
             | 
            
                +0.70 / +2.06%
             |             
            
                34.10
             |           
            
                34.80
             |               
            
                34.10
             |                           
            
                34.70
             | 
            
                34.49
             |                     
            
                14.55
             |                                 
            
                414,250
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2016
             | 
            
                -0.30 / -0.87%
             |             
            
                34.30
             |           
            
                34.40
             |               
            
                33.90
             |                           
            
                34.00
             | 
            
                34.11
             |                     
            
                14.26
             |                                 
            
                369,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2016
             | 
            
                -0.30 / -0.87%
             |             
            
                34.60
             |           
            
                34.70
             |               
            
                34.20
             |                           
            
                34.30
             | 
            
                34.32
             |                     
            
                14.39
             |                                 
            
                258,980
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2016
             | 
            
                +0.10 / +0.29%
             |             
            
                34.50
             |           
            
                34.70
             |               
            
                34.40
             |                           
            
                34.60
             | 
            
                34.50
             |                     
            
                14.51
             |                                 
            
                195,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.50
             |           
            
                34.60
             |               
            
                34.10
             |                           
            
                34.50
             | 
            
                34.35
             |                     
            
                14.47
             |                                 
            
                448,510
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2016
             | 
            
                +0.20 / +0.58%
             |             
            
                34.30
             |           
            
                35.00
             |               
            
                34.30
             |                           
            
                34.50
             | 
            
                34.77
             |                     
            
                14.47
             |                                 
            
                630,770
             |  
            
                 
             |                                                              
             
    
         
    
    
 |