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            | 
                    Closing price on 4/10/2013
                 |  |  
    
        |           
                
                    | Open | 2.50 |  
                    | High | 2.60 |  
                    | Low | 2.40 |  
                    | Volume | 61,650 |  
                    | Split-adjusted Price | 2.40 |  
                
             | 
 |  NTB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/10/2013 | -0.10 / -4.00% | 2.50 | 2.60 | 2.40 | 2.40 | 2.50 | 2.40 | 61,650 |   |  
            | 4/9/2013 | +0.10 / +4.17% | 2.40 | 2.50 | 2.40 | 2.50 | 2.50 | 2.50 | 261,100 |   |  			
            | 4/8/2013 | +0.10 / +4.35% | 2.30 | 2.40 | 2.30 | 2.40 | 2.40 | 2.40 | 129,140 |   |  
            | 4/5/2013 | 0.00 / 0.00% | 2.20 | 2.40 | 2.20 | 2.30 | 2.20 | 2.30 | 157,610 |   |  			
            | 4/4/2013 | 0.00 / 0.00% | 2.20 | 2.30 | 2.20 | 2.30 | 2.20 | 2.30 | 421,500 |   |  
            | 4/3/2013 | -0.10 / -4.17% | 2.30 | 2.40 | 2.30 | 2.30 | 2.30 | 2.30 | 240,270 |   |  			
            | 4/2/2013 | -0.10 / -4.00% | 2.50 | 2.50 | 2.40 | 2.40 | 2.40 | 2.40 | 246,400 |   |  
            | 4/1/2013 | -0.10 / -3.85% | 2.70 | 2.70 | 2.50 | 2.50 | 2.50 | 2.50 | 110,980 |   |  			
            | 3/29/2013 | -0.10 / -3.70% | 2.60 | 2.70 | 2.60 | 2.60 | 2.70 | 2.60 | 169,910 |   |  
            | 3/28/2013 | -0.10 / -3.57% | 2.70 | 2.80 | 2.70 | 2.70 | 2.70 | 2.70 | 210,240 |   |  			
            | 3/27/2013 | 0.00 / 0.00% | 2.80 | 2.90 | 2.70 | 2.80 | 2.80 | 2.80 | 102,800 |   |  
            | 3/26/2013 | +0.10 / +3.70% | 2.70 | 2.80 | 2.70 | 2.80 | 2.80 | 2.80 | 91,000 |   |  			
            | 3/25/2013 | -0.10 / -3.57% | 2.70 | 2.80 | 2.70 | 2.70 | 2.70 | 2.70 | 392,720 |   |  
            | 3/22/2013 | -0.20 / -6.67% | 3.00 | 3.10 | 2.80 | 2.80 | 3.00 | 2.80 | 531,000 |   |  			
            | 3/21/2013 | -0.20 / -6.25% | 3.20 | 3.20 | 3.00 | 3.00 | 3.00 | 3.00 | 140,500 |   |  
            | 3/20/2013 | +0.20 / +6.67% | 3.00 | 3.20 | 3.00 | 3.20 | 3.00 | 3.20 | 25,040 |   |  			
            | 3/19/2013 | -0.10 / -3.23% | 3.10 | 3.10 | 3.00 | 3.00 | 3.10 | 3.00 | 81,990 |   |  
            | 3/18/2013 | +0.20 / +6.90% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 183,940 |   |  			
            | 3/15/2013 | +0.10 / +3.57% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 7,740 |   |  
            | 3/14/2013 | -0.10 / -3.45% | 2.90 | 3.10 | 2.80 | 2.80 | 2.90 | 2.80 | 381,390 |   |  			
            | 3/13/2013 | -0.20 / -6.45% | 3.00 | 3.20 | 2.90 | 2.90 | 2.90 | 2.90 | 83,640 |   |  
            | 3/12/2013 | -0.20 / -6.06% | 3.30 | 3.30 | 3.10 | 3.10 | 3.10 | 3.10 | 116,880 |   |  			
            | 3/11/2013 | +0.20 / +6.45% | 3.20 | 3.30 | 3.10 | 3.30 | 3.20 | 3.30 | 80,920 |   |  
            | 3/8/2013 | +0.20 / +6.67% | 3.10 | 3.20 | 3.10 | 3.20 | 3.15 | 3.20 | 296,820 |   |  			
            | 3/7/2013 | +0.10 / +3.45% | 2.90 | 3.10 | 2.90 | 3.00 | 2.90 | 3.00 | 26,230 |   |  
            | 3/6/2013 | +0.10 / +3.57% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 99,140 |   |  			
            | 3/5/2013 | -0.20 / -6.67% | 2.80 | 3.00 | 2.80 | 2.80 | 2.80 | 2.80 | 210,960 |   |  
            | 3/4/2013 | -0.20 / -6.25% | 3.00 | 3.10 | 3.00 | 3.00 | 3.00 | 3.00 | 227,750 |   |  			
            | 3/1/2013 | -0.20 / -5.88% | 3.30 | 3.30 | 3.20 | 3.20 | 3.25 | 3.20 | 281,660 |   |  
            | 2/28/2013 | -0.20 / -5.56% | 3.50 | 3.60 | 3.40 | 3.40 | 3.40 | 3.40 | 339,220 |   |  |