| 
                 
                    Closing price on 9/20/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.00 | 
                 
                
                    | High | 
                    9.00 | 
                 
                
                    | Low | 
                    8.60 | 
                     
                
                    | Volume | 
                    732,810 | 
                                 
                
                    | Split-adjusted Price | 
                    7.87 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/20/2011
             | 
            
                -0.30 / -3.33%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.80
             |                     
            
                7.87
             |                                 
            
                732,810
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2011
             | 
            
                +0.30 / +3.45%
             |             
            
                8.70
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                9.00
             | 
            
                8.80
             |                     
            
                8.14
             |                                 
            
                1,190,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2011
             | 
            
                +0.10 / +1.12%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                8.50
             |                           
            
                9.00
             | 
            
                8.90
             |                     
            
                8.14
             |                                 
            
                929,210
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2011
             | 
            
                -0.40 / -4.30%
             |             
            
                9.00
             |           
            
                9.20
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                8.05
             |                                 
            
                196,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2011
             | 
            
                -0.10 / -1.06%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.00
             |                           
            
                9.30
             | 
            
                9.10
             |                     
            
                8.42
             |                                 
            
                1,618,460
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2011
             | 
            
                +0.10 / +1.08%
             |             
            
                9.40
             |           
            
                9.70
             |               
            
                8.90
             |                           
            
                9.40
             | 
            
                9.10
             |                     
            
                8.51
             |                                 
            
                1,817,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2011
             | 
            
                -0.10 / -1.06%
             |             
            
                9.20
             |           
            
                9.40
             |               
            
                8.90
             |                           
            
                9.30
             | 
            
                9.10
             |                     
            
                8.42
             |                                 
            
                451,120
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2011
             | 
            
                -0.40 / -4.12%
             |             
            
                9.50
             |           
            
                9.80
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.70
             |                     
            
                8.42
             |                                 
            
                395,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2011
             | 
            
                +0.30 / +3.19%
             |             
            
                9.60
             |           
            
                9.80
             |               
            
                9.60
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                8.78
             |                                 
            
                253,470
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2011
             | 
            
                +0.40 / +4.44%
             |             
            
                9.20
             |           
            
                9.40
             |               
            
                8.90
             |                           
            
                9.40
             | 
            
                9.30
             |                     
            
                8.51
             |                                 
            
                321,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2011
             | 
            
                +0.10 / +1.12%
             |             
            
                8.60
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                9.00
             | 
            
                8.90
             |                     
            
                8.14
             |                                 
            
                267,450
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2011
             | 
            
                +0.20 / +2.30%
             |             
            
                8.70
             |           
            
                9.00
             |               
            
                8.50
             |                           
            
                8.90
             | 
            
                8.80
             |                     
            
                8.05
             |                                 
            
                180,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2011
             | 
            
                +0.40 / +4.76%
             |             
            
                8.40
             |           
            
                8.80
             |               
            
                8.40
             |                           
            
                8.80
             | 
            
                8.60
             |                     
            
                7.96
             |                                 
            
                390,540
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2011
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.10
             |                           
            
                8.40
             | 
            
                8.30
             |                     
            
                7.60
             |                                 
            
                258,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2011
             | 
            
                +0.10 / +1.20%
             |             
            
                8.30
             |           
            
                8.50
             |               
            
                8.00
             |                           
            
                8.40
             | 
            
                8.30
             |                     
            
                7.60
             |                                 
            
                209,090
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2011
             | 
            
                +0.20 / +2.47%
             |             
            
                8.00
             |           
            
                8.30
             |               
            
                8.00
             |                           
            
                8.30
             | 
            
                8.20
             |                     
            
                7.51
             |                                 
            
                245,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.10
             | 
            
                8.00
             |                     
            
                7.33
             |                                 
            
                139,140
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2011
             | 
            
                +0.10 / +1.25%
             |             
            
                7.90
             |           
            
                8.10
             |               
            
                7.70
             |                           
            
                8.10
             | 
            
                8.00
             |                     
            
                7.33
             |                                 
            
                173,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2011
             | 
            
                +0.30 / +3.90%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.60
             |                           
            
                8.00
             | 
            
                7.90
             |                     
            
                7.24
             |                                 
            
                122,640
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2011
             | 
            
                -0.30 / -3.75%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.90
             |                     
            
                6.97
             |                                 
            
                46,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2011
             | 
            
                +0.10 / +1.27%
             |             
            
                7.80
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                7.24
             |                                 
            
                128,450
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2011
             | 
            
                -0.40 / -4.88%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.90
             |                     
            
                7.06
             |                                 
            
                203,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                7.42
             |                                 
            
                1,462,910
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2011
             | 
            
                +0.10 / +1.23%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                7.42
             |                                 
            
                1,077,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2011
             | 
            
                +0.10 / +1.25%
             |             
            
                8.00
             |           
            
                8.30
             |               
            
                7.80
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                7.33
             |                                 
            
                628,860
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2011
             | 
            
                +0.20 / +2.56%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                7.90
             |                     
            
                7.24
             |                                 
            
                517,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2011
             | 
            
                +0.30 / +4.00%
             |             
            
                7.40
             |           
            
                7.80
             |               
            
                7.40
             |                           
            
                7.80
             | 
            
                7.40
             |                     
            
                7.06
             |                                 
            
                1,840,980
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2011
             | 
            
                +0.20 / +2.74%
             |             
            
                7.20
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.50
             | 
            
                7.40
             |                     
            
                6.79
             |                                 
            
                209,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2011
             | 
            
                +0.30 / +4.29%
             |             
            
                7.10
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.61
             |                                 
            
                1,058,330
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2011
             | 
            
                +0.10 / +1.45%
             |             
            
                6.70
             |           
            
                7.00
             |               
            
                6.60
             |                           
            
                7.00
             | 
            
                6.80
             |                     
            
                6.33
             |                                 
            
                804,550
             |  
            
                 
             |                                                              
             
    
         
    
    
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