| 
                 
                    Closing price on 2/17/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    26.20 | 
                 
                
                    | High | 
                    26.90 | 
                 
                
                    | Low | 
                    26.20 | 
                     
                
                    | Volume | 
                    1,079,560 | 
                                 
                
                    | Split-adjusted Price | 
                    10.38 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NT2 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/17/2016
             | 
            
                +0.50 / +1.90%
             |             
            
                26.20
             |           
            
                26.90
             |               
            
                26.20
             |                           
            
                26.80
             | 
            
                26.47
             |                     
            
                10.38
             |                                 
            
                1,079,560
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2016
             | 
            
                +0.30 / +1.15%
             |             
            
                26.30
             |           
            
                26.40
             |               
            
                26.10
             |                           
            
                26.30
             | 
            
                26.28
             |                     
            
                10.18
             |                                 
            
                469,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/15/2016
             | 
            
                -0.30 / -1.14%
             |             
            
                26.30
             |           
            
                26.40
             |               
            
                25.80
             |                           
            
                26.00
             | 
            
                26.04
             |                     
            
                10.07
             |                                 
            
                288,450
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2016
             | 
            
                +0.30 / +1.15%
             |             
            
                26.00
             |           
            
                26.30
             |               
            
                26.00
             |                           
            
                26.30
             | 
            
                26.24
             |                     
            
                10.18
             |                                 
            
                465,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2016
             | 
            
                +0.10 / +0.39%
             |             
            
                26.20
             |           
            
                26.30
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.09
             |                     
            
                10.07
             |                                 
            
                223,380
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2016
             | 
            
                -0.20 / -0.77%
             |             
            
                26.00
             |           
            
                26.20
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.99
             |                     
            
                10.03
             |                                 
            
                796,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2016
             | 
            
                -0.10 / -0.38%
             |             
            
                25.90
             |           
            
                26.50
             |               
            
                25.90
             |                           
            
                26.10
             | 
            
                26.07
             |                     
            
                10.11
             |                                 
            
                422,570
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2016
             | 
            
                -0.20 / -0.76%
             |             
            
                26.50
             |           
            
                26.50
             |               
            
                26.20
             |                           
            
                26.20
             | 
            
                26.24
             |                     
            
                10.15
             |                                 
            
                106,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2016
             | 
            
                +0.20 / +0.76%
             |             
            
                26.00
             |           
            
                26.50
             |               
            
                25.80
             |                           
            
                26.40
             | 
            
                26.18
             |                     
            
                10.22
             |                                 
            
                455,220
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2016
             | 
            
                -0.30 / -1.13%
             |             
            
                26.40
             |           
            
                26.70
             |               
            
                25.80
             |                           
            
                26.20
             | 
            
                26.06
             |                     
            
                10.15
             |                                 
            
                727,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2016
             | 
            
                +0.10 / +0.38%
             |             
            
                26.40
             |           
            
                26.50
             |               
            
                26.10
             |                           
            
                26.50
             | 
            
                26.32
             |                     
            
                10.26
             |                                 
            
                338,030
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2016
             | 
            
                -0.60 / -2.22%
             |             
            
                26.10
             |           
            
                26.90
             |               
            
                26.00
             |                           
            
                26.40
             | 
            
                26.22
             |                     
            
                10.22
             |                                 
            
                585,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2016
             | 
            
                +0.50 / +1.89%
             |             
            
                27.00
             |           
            
                27.30
             |               
            
                26.70
             |                           
            
                27.00
             | 
            
                27.03
             |                     
            
                10.46
             |                                 
            
                1,035,950
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2016
             | 
            
                +0.30 / +1.15%
             |             
            
                26.20
             |           
            
                26.50
             |               
            
                25.70
             |                           
            
                26.50
             | 
            
                26.08
             |                     
            
                10.26
             |                                 
            
                674,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2016
             | 
            
                -0.10 / -0.38%
             |             
            
                26.30
             |           
            
                26.50
             |               
            
                26.10
             |                           
            
                26.20
             | 
            
                26.28
             |                     
            
                10.15
             |                                 
            
                326,380
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2016
             | 
            
                -0.20 / -0.75%
             |             
            
                26.60
             |           
            
                27.10
             |               
            
                26.30
             |                           
            
                26.30
             | 
            
                26.73
             |                     
            
                10.18
             |                                 
            
                1,028,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2016
             | 
            
                +0.50 / +1.92%
             |             
            
                26.30
             |           
            
                26.50
             |               
            
                26.00
             |                           
            
                26.50
             | 
            
                26.30
             |                     
            
                10.26
             |                                 
            
                496,660
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2016
             | 
            
                -0.70 / -2.62%
             |             
            
                26.40
             |           
            
                26.40
             |               
            
                25.30
             |                           
            
                26.00
             | 
            
                25.69
             |                     
            
                10.07
             |                                 
            
                987,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2016
             | 
            
                -0.10 / -0.37%
             |             
            
                26.80
             |           
            
                26.80
             |               
            
                26.30
             |                           
            
                26.70
             | 
            
                26.44
             |                     
            
                10.34
             |                                 
            
                400,980
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2016
             | 
            
                -0.10 / -0.37%
             |             
            
                26.70
             |           
            
                26.90
             |               
            
                26.50
             |                           
            
                26.80
             | 
            
                26.63
             |                     
            
                10.38
             |                                 
            
                142,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2016
             | 
            
                +0.20 / +0.75%
             |             
            
                26.80
             |           
            
                26.90
             |               
            
                26.60
             |                           
            
                26.90
             | 
            
                26.80
             |                     
            
                10.42
             |                                 
            
                249,760
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2016
             | 
            
                0.00 / 0.00%
             |             
            
                26.50
             |           
            
                26.70
             |               
            
                26.50
             |                           
            
                26.70
             | 
            
                26.60
             |                     
            
                10.34
             |                                 
            
                322,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2016
             | 
            
                0.00 / 0.00%
             |             
            
                27.00
             |           
            
                27.00
             |               
            
                26.50
             |                           
            
                26.70
             | 
            
                26.65
             |                     
            
                10.34
             |                                 
            
                252,880
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2016
             | 
            
                -0.10 / -0.37%
             |             
            
                26.50
             |           
            
                26.90
             |               
            
                26.50
             |                           
            
                26.70
             | 
            
                26.78
             |                     
            
                10.34
             |                                 
            
                361,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2016
             | 
            
                -0.20 / -0.74%
             |             
            
                27.10
             |           
            
                27.10
             |               
            
                26.60
             |                           
            
                26.80
             | 
            
                26.88
             |                     
            
                10.38
             |                                 
            
                234,880
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2016
             | 
            
                +0.40 / +1.50%
             |             
            
                26.80
             |           
            
                27.20
             |               
            
                26.70
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                10.46
             |                                 
            
                366,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                26.60
             |           
            
                26.70
             |               
            
                26.50
             |                           
            
                26.60
             | 
            
                26.64
             |                     
            
                10.30
             |                                 
            
                461,970
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                26.70
             |           
            
                26.90
             |               
            
                26.30
             |                           
            
                26.60
             | 
            
                26.70
             |                     
            
                10.30
             |                                 
            
                666,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/31/2015
             | 
            
                +0.20 / +0.76%
             |             
            
                26.40
             |           
            
                26.70
             |               
            
                26.40
             |                           
            
                26.60
             | 
            
                26.57
             |                     
            
                10.30
             |                                 
            
                484,210
             |            
            
                 
             |                                       
         
    
        
            | 
                12/30/2015
             | 
            
                +0.20 / +0.76%
             |             
            
                26.30
             |           
            
                26.50
             |               
            
                26.10
             |                           
            
                26.40
             | 
            
                26.36
             |                     
            
                10.22
             |                                 
            
                63,090
             |  
            
                 
             |                                                              
             
    
         
    
    
 |