| 
                 
                    Closing price on 12/10/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    27.40 | 
                 
                
                    | High | 
                    27.90 | 
                 
                
                    | Low | 
                    27.10 | 
                     
                
                    | Volume | 
                    484,140 | 
                                 
                
                    | Split-adjusted Price | 
                    10.73 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NT2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/10/2015
             | 
            
                +0.60 / +2.21%
             |             
            
                27.40
             |           
            
                27.90
             |               
            
                27.10
             |                           
            
                27.70
             | 
            
                27.70
             |                     
            
                10.73
             |                                 
            
                484,140
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2015
             | 
            
                -1.30 / -4.58%
             |             
            
                28.40
             |           
            
                28.40
             |               
            
                27.10
             |                           
            
                27.10
             | 
            
                27.72
             |                     
            
                10.49
             |                                 
            
                654,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2015
             | 
            
                +0.40 / +1.43%
             |             
            
                27.50
             |           
            
                28.50
             |               
            
                27.50
             |                           
            
                28.40
             | 
            
                28.18
             |                     
            
                11.00
             |                                 
            
                403,690
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2015
             | 
            
                -0.20 / -0.71%
             |             
            
                28.10
             |           
            
                28.80
             |               
            
                27.30
             |                           
            
                28.00
             | 
            
                28.05
             |                     
            
                10.84
             |                                 
            
                499,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2015
             | 
            
                +0.80 / +2.92%
             |             
            
                27.40
             |           
            
                28.20
             |               
            
                27.10
             |                           
            
                28.20
             | 
            
                27.76
             |                     
            
                10.92
             |                                 
            
                560,880
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2015
             | 
            
                +0.70 / +2.62%
             |             
            
                26.80
             |           
            
                27.40
             |               
            
                26.80
             |                           
            
                27.40
             | 
            
                27.23
             |                     
            
                10.61
             |                                 
            
                603,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2015
             | 
            
                0.00 / 0.00%
             |             
            
                26.70
             |           
            
                26.90
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.79
             |                     
            
                10.34
             |                                 
            
                250,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2015
             | 
            
                -0.10 / -0.37%
             |             
            
                26.80
             |           
            
                26.90
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.79
             |                     
            
                10.34
             |                                 
            
                1,182,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2015
             | 
            
                -0.10 / -0.37%
             |             
            
                26.80
             |           
            
                26.90
             |               
            
                26.70
             |                           
            
                26.80
             | 
            
                26.81
             |                     
            
                10.38
             |                                 
            
                365,210
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                26.90
             |           
            
                27.10
             |               
            
                26.80
             |                           
            
                26.90
             | 
            
                26.91
             |                     
            
                10.42
             |                                 
            
                395,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2015
             | 
            
                -0.40 / -1.47%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                26.90
             |                           
            
                26.90
             | 
            
                27.06
             |                     
            
                10.42
             |                                 
            
                152,130
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2015
             | 
            
                +0.30 / +1.11%
             |             
            
                26.90
             |           
            
                27.40
             |               
            
                26.80
             |                           
            
                27.30
             | 
            
                27.03
             |                     
            
                10.57
             |                                 
            
                705,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                27.00
             |           
            
                27.10
             |               
            
                26.70
             |                           
            
                27.00
             | 
            
                26.93
             |                     
            
                10.46
             |                                 
            
                462,860
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2015
             | 
            
                -0.30 / -1.10%
             |             
            
                27.40
             |           
            
                27.40
             |               
            
                26.90
             |                           
            
                27.00
             | 
            
                27.23
             |                     
            
                10.46
             |                                 
            
                450,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2015
             | 
            
                -0.20 / -0.73%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                27.20
             |                           
            
                27.30
             | 
            
                27.29
             |                     
            
                10.57
             |                                 
            
                1,776,690
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2015
             | 
            
                +0.10 / +0.36%
             |             
            
                27.50
             |           
            
                27.70
             |               
            
                27.40
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                10.65
             |                                 
            
                441,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2015
             | 
            
                +0.40 / +1.48%
             |             
            
                27.00
             |           
            
                27.80
             |               
            
                26.90
             |                           
            
                27.40
             | 
            
                27.27
             |                     
            
                10.61
             |                                 
            
                1,135,160
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                27.00
             |           
            
                27.10
             |               
            
                26.80
             |                           
            
                27.00
             | 
            
                26.99
             |                     
            
                10.46
             |                                 
            
                470,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2015
             | 
            
                +0.20 / +0.75%
             |             
            
                26.80
             |           
            
                27.10
             |               
            
                26.70
             |                           
            
                27.00
             | 
            
                26.95
             |                     
            
                10.46
             |                                 
            
                736,590
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2015
             | 
            
                +0.10 / +0.37%
             |             
            
                26.70
             |           
            
                26.90
             |               
            
                26.60
             |                           
            
                26.80
             | 
            
                26.73
             |                     
            
                10.38
             |                                 
            
                214,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                26.70
             |           
            
                26.70
             |               
            
                26.00
             |                           
            
                26.70
             | 
            
                26.41
             |                     
            
                10.34
             |                                 
            
                386,090
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2015
             | 
            
                +0.10 / +0.38%
             |             
            
                26.50
             |           
            
                26.70
             |               
            
                26.50
             |                           
            
                26.70
             | 
            
                26.64
             |                     
            
                10.34
             |                                 
            
                250,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2015
             | 
            
                -0.20 / -0.75%
             |             
            
                26.90
             |           
            
                26.90
             |               
            
                26.40
             |                           
            
                26.60
             | 
            
                26.54
             |                     
            
                10.30
             |                                 
            
                250,850
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2015
             | 
            
                0.00 / 0.00%
             |             
            
                27.00
             |           
            
                27.10
             |               
            
                26.80
             |                           
            
                26.80
             | 
            
                26.84
             |                     
            
                10.38
             |                                 
            
                388,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2015
             | 
            
                +0.10 / +0.37%
             |             
            
                26.80
             |           
            
                27.40
             |               
            
                26.70
             |                           
            
                26.80
             | 
            
                27.04
             |                     
            
                10.38
             |                                 
            
                771,680
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2015
             | 
            
                -0.20 / -0.74%
             |             
            
                26.80
             |           
            
                27.00
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.80
             |                     
            
                10.34
             |                                 
            
                88,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2015
             | 
            
                0.00 / 0.00%
             |             
            
                26.90
             |           
            
                27.00
             |               
            
                26.80
             |                           
            
                26.90
             | 
            
                26.91
             |                     
            
                10.42
             |                                 
            
                510,820
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2015
             | 
            
                +0.50 / +1.89%
             |             
            
                26.50
             |           
            
                26.90
             |               
            
                26.40
             |                           
            
                26.90
             | 
            
                26.55
             |                     
            
                10.42
             |                                 
            
                412,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2015
             | 
            
                -0.10 / -0.38%
             |             
            
                26.50
             |           
            
                26.70
             |               
            
                26.30
             |                           
            
                26.40
             | 
            
                26.47
             |                     
            
                10.22
             |                                 
            
                366,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2015
             | 
            
                -0.50 / -1.85%
             |             
            
                27.00
             |           
            
                27.00
             |               
            
                26.50
             |                           
            
                26.50
             | 
            
                26.69
             |                     
            
                10.26
             |                                 
            
                552,360
             |  
            
                 
             |                                                              
             
    
         
    
    
 |