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                    Closing price on 9/28/2011
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                    | Open | 31.00 |  
                    | High | 31.50 |  
                    | Low | 31.00 |  
                    | Volume | 10,900 |  
                    | Split-adjusted Price | 4.06 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/28/2011 | +1.50 / +5.00% | 31.00 | 31.50 | 31.00 | 31.50 | 31.50 | 4.06 | 10,900 |   |  
            | 9/27/2011 | -1.00 / -3.23% | 29.60 | 30.00 | 29.50 | 30.00 | 30.00 | 3.87 | 86,900 |   |  			
            | 9/26/2011 | -0.40 / -1.27% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 4.00 | 800 |   |  
            | 9/23/2011 | 0.00 / 0.00% | 31.00 | 31.40 | 31.00 | 31.40 | 31.40 | 4.05 | 2,900 |   |  			
            | 9/22/2011 | +0.10 / +0.32% | 31.40 | 31.40 | 31.40 | 31.40 | 31.40 | 4.05 | 800 |   |  
            | 9/21/2011 | +0.30 / +0.97% | 31.40 | 31.40 | 31.30 | 31.30 | 31.30 | 4.03 | 4,300 |   |  			
            | 9/20/2011 | -0.30 / -0.96% | 31.10 | 31.10 | 31.00 | 31.00 | 31.00 | 4.00 | 5,000 |   |  
            | 9/19/2011 | +0.30 / +0.97% | 31.30 | 31.30 | 31.00 | 31.30 | 31.30 | 4.03 | 6,800 |   |  			
            | 9/16/2011 | -0.30 / -0.96% | 31.20 | 31.60 | 31.00 | 31.00 | 31.00 | 4.00 | 15,000 |   |  
            | 9/15/2011 | +0.10 / +0.32% | 31.30 | 31.30 | 31.30 | 31.30 | 31.30 | 4.03 | 2,100 |   |  			
            | 9/14/2011 | -0.10 / -0.32% | 31.00 | 31.50 | 31.00 | 31.20 | 31.20 | 4.02 | 19,800 |   |  
            | 9/13/2011 | -0.20 / -0.63% | 31.10 | 32.40 | 31.10 | 31.30 | 31.30 | 4.03 | 12,400 |   |  			
            | 9/12/2011 | +0.50 / +1.61% | 30.00 | 31.50 | 30.00 | 31.50 | 31.50 | 4.06 | 18,800 |   |  
            | 9/9/2011 | 0.00 / 0.00% | 30.50 | 31.00 | 30.50 | 31.00 | 31.00 | 4.00 | 14,900 |   |  			
            | 9/8/2011 | +0.40 / +1.31% | 30.50 | 31.10 | 30.10 | 31.00 | 31.00 | 4.00 | 27,400 |   |  
            | 9/7/2011 | -0.60 / -1.92% | 31.50 | 31.50 | 30.60 | 30.60 | 30.60 | 3.94 | 5,500 |   |  			
            | 9/6/2011 | -0.10 / -0.32% | 31.50 | 31.50 | 31.20 | 31.20 | 31.20 | 4.02 | 3,000 |   |  
            | 9/5/2011 | -0.90 / -2.80% | 32.60 | 32.60 | 31.30 | 31.30 | 31.30 | 4.03 | 9,700 |   |  			
            | 9/1/2011 | +0.70 / +2.22% | 32.00 | 32.20 | 32.00 | 32.20 | 32.20 | 4.15 | 2,600 |   |  
            | 8/31/2011 | -0.60 / -1.87% | 31.00 | 32.10 | 31.00 | 31.50 | 31.50 | 4.06 | 1,500 |   |  			
            | 8/30/2011 | +0.30 / +0.94% | 33.20 | 33.30 | 32.10 | 32.10 | 32.10 | 4.14 | 3,700 |   |  
            | 8/29/2011 | +1.60 / +5.30% | 31.00 | 31.80 | 30.30 | 31.80 | 31.80 | 4.10 | 2,100 |   |  			
            | 8/26/2011 | 0.00 / 0.00% | 30.20 | 30.20 | 30.20 | 30.20 | 30.20 | 3.89 | 300 |   |  
            | 8/25/2011 | +0.20 / +0.67% | 30.20 | 30.20 | 30.20 | 30.20 | 30.20 | 3.89 | 0 |   |  			
            | 8/24/2011 | -0.40 / -1.32% | 30.60 | 30.60 | 30.00 | 30.00 | 30.00 | 3.87 | 1,500 |   |  
            | 8/23/2011 | -0.20 / -0.65% | 30.50 | 30.90 | 30.40 | 30.40 | 30.40 | 3.92 | 4,500 |   |  			
            | 8/22/2011 | +0.50 / +1.66% | 30.40 | 30.60 | 30.40 | 30.60 | 30.60 | 3.94 | 900 |   |  
            | 8/19/2011 | -0.40 / -1.31% | 30.50 | 30.50 | 30.10 | 30.10 | 30.10 | 3.88 | 1,500 |   |  			
            | 8/18/2011 | -0.50 / -1.61% | 30.60 | 30.60 | 30.50 | 30.50 | 30.50 | 3.93 | 700 |   |  
            | 8/17/2011 | +1.00 / +3.33% | 30.50 | 31.00 | 30.10 | 31.00 | 31.00 | 4.00 | 15,500 |   |  |