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                    Closing price on 8/24/2010
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        |           
                
                    | Open | 88.40 |  
                    | High | 88.40 |  
                    | Low | 85.00 |  
                    | Volume | 37,000 |  
                    | Split-adjusted Price | 5.27 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/24/2010 | -2.50 / -2.82% | 88.40 | 88.40 | 85.00 | 86.00 | 86.00 | 5.27 | 37,000 |   |  
            | 8/23/2010 | +1.00 / +1.14% | 92.80 | 92.80 | 87.50 | 88.50 | 88.50 | 5.42 | 20,800 |   |  			
            | 8/20/2010 | +0.20 / +0.23% | 87.50 | 91.00 | 87.00 | 87.50 | 87.50 | 5.36 | 11,300 |   |  
            | 8/19/2010 | +0.70 / +0.81% | 87.00 | 88.00 | 87.00 | 87.30 | 87.30 | 5.35 | 10,600 |   |  			
            | 8/18/2010 | -3.40 / -3.78% | 89.60 | 89.60 | 86.50 | 86.60 | 86.60 | 5.30 | 38,400 |   |  
            | 8/17/2010 | -2.50 / -2.70% | 92.50 | 92.50 | 89.00 | 90.00 | 90.00 | 5.51 | 12,800 |   |  			
            | 8/16/2010 | +1.50 / +1.65% | 93.80 | 93.80 | 92.00 | 92.50 | 92.50 | 5.66 | 6,300 |   |  
            | 8/13/2010 | +5.00 / +5.81% | 85.50 | 92.00 | 85.20 | 91.00 | 91.00 | 5.57 | 10,800 |   |  			
            | 8/12/2010 | -6.00 / -6.52% | 89.10 | 91.20 | 86.00 | 86.00 | 86.00 | 5.27 | 21,000 |   |  
            | 8/11/2010 | +1.50 / +1.66% | 94.00 | 94.00 | 90.00 | 92.00 | 92.00 | 5.63 | 38,900 |   |  			
            | 8/10/2010 | -2.00 / -2.16% | 92.00 | 92.00 | 89.00 | 90.50 | 90.50 | 5.54 | 15,200 |   |  
            | 8/9/2010 | -1.30 / -1.39% | 94.00 | 94.50 | 92.00 | 92.50 | 92.50 | 5.66 | 20,900 |   |  			
            | 8/6/2010 | -0.30 / -0.32% | 90.00 | 94.90 | 90.00 | 93.80 | 93.80 | 5.74 | 6,200 |   |  
            | 8/5/2010 | -0.90 / -0.95% | 95.00 | 95.00 | 94.10 | 94.10 | 94.10 | 5.76 | 10,900 |   |  			
            | 8/4/2010 | +1.90 / +2.04% | 93.50 | 96.00 | 93.50 | 95.00 | 95.00 | 5.82 | 44,300 |   |  
            | 8/3/2010 | -0.40 / -0.43% | 93.00 | 93.10 | 93.00 | 93.10 | 93.10 | 5.70 | 15,400 |   |  			
            | 8/2/2010 | -0.80 / -0.85% | 92.00 | 94.00 | 92.00 | 93.50 | 93.50 | 5.73 | 7,400 |   |  
            | 7/30/2010 | +0.20 / +0.21% | 94.00 | 94.30 | 93.80 | 94.30 | 94.30 | 5.77 | 16,500 |   |  			
            | 7/29/2010 | +0.10 / +0.11% | 93.90 | 94.20 | 93.80 | 94.10 | 94.10 | 5.76 | 30,300 |   |  
            | 7/28/2010 | -0.50 / -0.53% | 94.50 | 94.50 | 93.70 | 94.00 | 94.00 | 5.76 | 15,000 |   |  			
            | 7/27/2010 | +0.50 / +0.53% | 95.40 | 97.00 | 94.00 | 94.50 | 94.50 | 5.79 | 6,400 |   |  
            | 7/26/2010 | -1.80 / -1.88% | 95.60 | 96.00 | 93.90 | 94.00 | 94.00 | 5.76 | 53,900 |   |  			
            | 7/23/2010 | +4.70 / +5.16% | 92.00 | 95.90 | 92.00 | 95.80 | 95.80 | 5.87 | 134,400 |   |  
            | 7/22/2010 | -0.30 / -0.33% | 91.10 | 91.50 | 91.00 | 91.10 | 91.10 | 5.58 | 16,700 |   |  			
            | 7/21/2010 | +0.10 / +0.11% | 91.90 | 91.90 | 91.30 | 91.40 | 91.40 | 5.60 | 4,300 |   |  
            | 7/20/2010 | -0.20 / -0.22% | 92.00 | 92.90 | 91.10 | 91.30 | 91.30 | 5.59 | 54,700 |   |  			
            | 7/19/2010 | -0.50 / -0.54% | 92.50 | 92.50 | 90.00 | 91.50 | 91.50 | 5.60 | 90,700 |   |  
            | 7/16/2010 | +0.30 / +0.33% | 93.00 | 94.00 | 92.00 | 92.00 | 92.00 | 5.63 | 91,500 |   |  			
            | 7/15/2010 | -0.10 / -0.11% | 92.00 | 92.00 | 91.50 | 91.70 | 91.70 | 5.61 | 23,100 |   |  
            | 7/14/2010 | -1.20 / -1.29% | 94.50 | 94.50 | 91.80 | 91.80 | 91.80 | 5.62 | 14,900 |   |  |