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            | 
                    Closing price on 3/8/2013
                 |  |  
    
        |           
                
                    | Open | 3.10 |  
                    | High | 3.20 |  
                    | Low | 3.10 |  
                    | Volume | 296,820 |  
                    | Split-adjusted Price | 3.20 |  
                
             | 
 |  NTB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 2/27/2013 | 0.00 / 0.00% | 3.60 | 3.60 | 3.40 | 3.60 | 3.50 | 3.60 | 72,080 |   |  			
            | 2/26/2013 | -0.20 / -5.26% | 3.70 | 3.80 | 3.60 | 3.60 | 3.60 | 3.60 | 571,450 |   |  
            | 2/25/2013 | +0.10 / +2.70% | 3.80 | 3.80 | 3.60 | 3.80 | 3.70 | 3.80 | 68,430 |   |  			
            | 2/22/2013 | +0.10 / +2.78% | 3.80 | 3.80 | 3.50 | 3.70 | 3.70 | 3.70 | 192,710 |   |  
            | 2/21/2013 | -0.20 / -5.26% | 3.80 | 4.00 | 3.60 | 3.60 | 3.90 | 3.60 | 606,280 |   |  			
            | 2/20/2013 | 0.00 / 0.00% | 3.70 | 3.80 | 3.60 | 3.80 | 3.70 | 3.80 | 188,140 |   |  
            | 2/19/2013 | 0.00 / 0.00% | 3.80 | 3.90 | 3.60 | 3.80 | 3.70 | 3.80 | 362,390 |   |  			
            | 2/18/2013 | 0.00 / 0.00% | 3.80 | 3.90 | 3.70 | 3.80 | 3.80 | 3.80 | 91,440 |   |  
            | 2/8/2013 | +0.20 / +5.56% | 3.50 | 3.80 | 3.50 | 3.80 | 3.60 | 3.80 | 332,090 |   |  			
            | 2/7/2013 | 0.00 / 0.00% | 3.60 | 3.70 | 3.50 | 3.60 | 3.60 | 3.60 | 116,170 |   |  
            | 2/6/2013 | +0.10 / +2.86% | 3.60 | 3.70 | 3.50 | 3.60 | 3.60 | 3.60 | 69,560 |   |  			
            | 2/5/2013 | +0.10 / +2.94% | 3.40 | 3.60 | 3.40 | 3.50 | 3.50 | 3.50 | 46,880 |   |  
            | 2/4/2013 | -0.20 / -5.56% | 3.60 | 3.60 | 3.40 | 3.40 | 3.50 | 3.40 | 105,760 |   |  			
            | 2/1/2013 | -0.10 / -2.70% | 3.60 | 3.70 | 3.50 | 3.60 | 3.70 | 3.60 | 116,030 |   |  
            | 1/31/2013 | +0.20 / +5.71% | 3.70 | 3.70 | 3.60 | 3.70 | 3.70 | 3.70 | 316,900 |   |  			
            | 1/30/2013 | +0.20 / +6.06% | 3.50 | 3.50 | 3.40 | 3.50 | 3.50 | 3.50 | 61,320 |   |  
            | 1/29/2013 | -0.20 / -5.71% | 3.40 | 3.50 | 3.30 | 3.30 | 3.30 | 3.30 | 310,490 |   |  			
            | 1/28/2013 | -0.30 / -7.89% | 3.50 | 3.70 | 3.50 | 3.50 | 3.50 | 3.50 | 278,820 |   |  
            | 1/25/2013 | 0.00 / 0.00% | 3.80 | 3.90 | 3.60 | 3.70 | 3.70 | 3.70 | 86,090 |   |  			
            | 1/24/2013 | +0.20 / +5.71% | 3.50 | 3.70 | 3.40 | 3.70 | 3.70 | 3.70 | 222,090 |   |  
            | 1/23/2013 | -0.20 / -5.41% | 3.70 | 3.80 | 3.50 | 3.50 | 3.50 | 3.50 | 365,320 |   |  			
            | 1/22/2013 | -0.20 / -5.13% | 3.90 | 4.10 | 3.70 | 3.70 | 3.90 | 3.70 | 354,510 |   |  
            | 1/21/2013 | -0.20 / -4.88% | 4.30 | 4.30 | 3.90 | 3.90 | 4.20 | 3.90 | 498,650 |   |  |