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                    Closing price on 8/24/2010
                 |  |  
    
        |           
                
                    | Open | 19.70 |  
                    | High | 19.70 |  
                    | Low | 19.40 |  
                    | Volume | 761,920 |  
                    | Split-adjusted Price | 17.56 |  
                
             | 
 |  NTB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/24/2010 | -1.00 / -4.90% | 19.70 | 19.70 | 19.40 | 19.40 | 19.40 | 17.56 | 761,920 |   |  
            | 8/23/2010 | -0.10 / -0.49% | 21.70 | 21.70 | 20.30 | 20.40 | 20.60 | 18.46 | 278,750 |   |  			
            | 8/20/2010 | +0.20 / +0.96% | 20.80 | 21.00 | 20.20 | 21.00 | 20.75 | 19.00 | 262,420 |   |  
            | 8/19/2010 | -0.60 / -2.80% | 21.30 | 21.50 | 20.60 | 20.80 | 21.10 | 18.82 | 340,330 |   |  			
            | 8/18/2010 | +0.30 / +1.42% | 21.30 | 22.10 | 21.10 | 21.40 | 21.50 | 19.37 | 870,660 |   |  
            | 8/17/2010 | -0.90 / -4.09% | 21.20 | 21.80 | 20.90 | 21.10 | 21.20 | 19.10 | 518,770 |   |  			
            | 8/16/2010 | +1.50 / +7.32% | 21.50 | 22.10 | 21.20 | 22.00 | 21.80 | 19.91 | 471,160 |   |  
            | 8/13/2010 | +0.50 / +2.42% | 20.20 | 21.20 | 19.90 | 21.20 | 20.80 | 19.19 | 518,760 |   |  			
            | 8/12/2010 | -1.00 / -4.61% | 21.00 | 21.00 | 20.70 | 20.70 | 20.80 | 18.73 | 696,960 |   |  
            | 8/11/2010 | +0.20 / +0.93% | 21.50 | 22.40 | 21.30 | 21.70 | 21.70 | 19.64 | 620,770 |   |  			
            | 8/10/2010 | -1.10 / -4.87% | 22.60 | 22.60 | 21.50 | 21.50 | 21.60 | 19.46 | 882,670 |   |  
            | 8/9/2010 | -1.30 / -5.44% | 23.30 | 23.70 | 22.60 | 22.60 | 22.90 | 20.45 | 702,060 |   |  			
            | 8/6/2010 | -0.50 / -2.07% | 24.30 | 24.50 | 23.70 | 23.70 | 24.50 | 21.45 | 343,710 |   |  
            | 8/5/2010 | -0.20 / -0.82% | 24.40 | 25.30 | 24.20 | 24.20 | 24.50 | 21.90 | 545,210 |   |  			
            | 8/4/2010 | -1.00 / -3.94% | 25.00 | 25.00 | 24.20 | 24.40 | 24.50 | 22.08 | 553,240 |   |  
            | 8/3/2010 | -0.30 / -1.17% | 26.00 | 26.00 | 25.40 | 25.40 | 25.60 | 22.99 | 460,240 |   |  			
            | 8/2/2010 | -0.20 / -0.77% | 25.90 | 25.90 | 25.30 | 25.70 | 25.60 | 23.26 | 186,540 |   |  
            | 7/30/2010 | +0.50 / +1.98% | 25.30 | 26.40 | 25.10 | 25.70 | 25.20 | 23.26 | 495,070 |   |  			
            | 7/29/2010 | -0.50 / -1.95% | 25.40 | 25.80 | 24.80 | 25.20 | 25.20 | 22.81 | 761,370 |   |  
            | 7/28/2010 | -1.10 / -4.10% | 26.60 | 26.80 | 25.60 | 25.70 | 26.00 | 23.26 | 470,280 |   |  			
            | 7/27/2010 | -0.50 / -1.83% | 27.30 | 27.50 | 26.80 | 26.80 | 27.10 | 24.25 | 546,770 |   |  
            | 7/26/2010 | -0.50 / -1.80% | 27.50 | 28.20 | 27.30 | 27.30 | 27.40 | 24.71 | 305,330 |   |  			
            | 7/23/2010 | -0.30 / -1.08% | 28.00 | 28.10 | 27.60 | 27.60 | 28.00 | 24.98 | 519,320 |   |  
            | 7/22/2010 | -0.60 / -2.11% | 28.50 | 28.50 | 27.90 | 27.90 | 28.00 | 25.25 | 701,290 |   |  			
            | 7/21/2010 | +0.30 / +1.06% | 28.20 | 29.20 | 28.20 | 28.50 | 28.60 | 25.79 | 991,450 |   |  
            | 7/20/2010 | -0.60 / -2.08% | 28.80 | 28.80 | 28.20 | 28.20 | 28.40 | 25.52 | 465,910 |   |  			
            | 7/19/2010 | -0.60 / -2.04% | 29.30 | 29.30 | 28.80 | 28.80 | 28.90 | 26.06 | 440,720 |   |  
            | 7/16/2010 | +0.10 / +0.35% | 28.90 | 30.30 | 28.50 | 29.00 | 28.50 | 26.24 | 2,107,800 |   |  			
            | 7/15/2010 | +0.90 / +3.21% | 28.10 | 29.00 | 27.80 | 28.90 | 28.50 | 26.15 | 1,341,830 |   |  
            | 7/14/2010 | -0.80 / -2.78% | 28.80 | 29.00 | 28.00 | 28.00 | 28.40 | 25.34 | 517,620 |   |  |