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                    Closing price on 8/28/2008
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        |           
                
                    | Open | 77.50 |  
                    | High | 77.50 |  
                    | Low | 77.30 |  
                    | Volume | 126,600 |  
                    | Split-adjusted Price | 4.37 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/28/2008 | -0.20 / -0.26% | 77.50 | 77.50 | 77.30 | 77.30 | 77.30 | 4.37 | 126,600 |   |  
            | 8/27/2008 | -5.90 / -7.07% | 84.00 | 88.80 | 77.40 | 77.50 | 77.50 | 4.38 | 500,000 |   |  			
            | 8/26/2008 | +3.70 / +4.64% | 83.60 | 83.60 | 80.00 | 83.40 | 83.40 | 4.71 | 502,000 |   |  
            | 8/25/2008 | +5.20 / +6.98% | 75.00 | 79.70 | 75.00 | 79.70 | 79.70 | 4.51 | 388,700 |   |  			
            | 8/22/2008 | -2.10 / -2.74% | 76.00 | 77.50 | 72.50 | 74.50 | 74.50 | 4.21 | 330,700 |   |  
            | 8/21/2008 | +6.60 / +9.43% | 73.50 | 77.10 | 69.90 | 76.60 | 76.60 | 4.33 | 502,300 |   |  			
            | 8/20/2008 | -0.10 / -0.14% | 74.60 | 74.60 | 67.30 | 70.00 | 70.00 | 3.96 | 774,700 |   |  
            | 8/19/2008 | +4.50 / +6.86% | 70.10 | 70.10 | 67.00 | 70.10 | 70.10 | 3.96 | 899,300 |   |  			
            | 8/18/2008 | +4.20 / +6.84% | 65.60 | 65.60 | 65.60 | 65.60 | 65.60 | 3.71 | 50,600 |   |  
            | 8/15/2008 | +2.30 / +3.89% | 61.40 | 61.40 | 61.40 | 61.40 | 61.40 | 3.47 | 2,600 |   |  			
            | 8/14/2008 | +2.20 / +3.87% | 59.10 | 59.10 | 59.10 | 59.10 | 59.10 | 3.34 | 12,100 |   |  
            | 8/13/2008 | +2.10 / +3.83% | 56.90 | 56.90 | 56.90 | 56.90 | 56.90 | 3.22 | 57,900 |   |  			
            | 8/12/2008 | +2.10 / +3.98% | 54.80 | 54.80 | 54.80 | 54.80 | 54.80 | 3.10 | 127,000 |   |  
            | 8/11/2008 | +1.90 / +3.74% | 52.70 | 52.70 | 52.70 | 52.70 | 52.70 | 2.98 | 55,300 |   |  			
            | 8/8/2008 | +1.90 / +3.89% | 50.80 | 50.80 | 47.20 | 50.80 | 50.80 | 2.87 | 649,800 |   |  
            | 8/7/2008 | +1.30 / +2.73% | 48.90 | 48.90 | 48.90 | 48.90 | 48.90 | 2.76 | 36,700 |   |  			
            | 8/6/2008 | +2.50 / +5.54% | 44.20 | 47.60 | 44.20 | 47.60 | 47.60 | 2.69 | 151,700 |   |  
            | 8/5/2008 | -1.80 / -3.84% | 48.70 | 48.70 | 45.10 | 45.10 | 45.10 | 2.55 | 829,300 |   |  			
            | 8/4/2008 | +1.80 / +3.99% | 46.90 | 46.90 | 46.90 | 46.90 | 46.90 | 2.65 | 99,400 |   |  
            | 8/1/2008 | +1.70 / +3.92% | 45.10 | 45.10 | 45.10 | 45.10 | 45.10 | 2.55 | 8,800 |   |  			
            | 7/31/2008 | +1.60 / +3.83% | 43.40 | 43.40 | 43.40 | 43.40 | 43.40 | 2.45 | 15,900 |   |  
            | 7/30/2008 | +1.60 / +3.98% | 41.80 | 41.80 | 41.80 | 41.80 | 41.80 | 2.36 | 43,800 |   |  			
            | 7/29/2008 | +0.10 / +0.25% | 40.20 | 40.20 | 40.20 | 40.20 | 40.20 | 2.27 | 57,600 |   |  
            | 7/28/2008 | +1.50 / +3.89% | 37.10 | 40.10 | 37.10 | 40.10 | 40.10 | 2.27 | 254,900 |   |  			
            | 7/25/2008 | -1.40 / -3.50% | 38.60 | 38.60 | 38.60 | 38.60 | 38.60 | 2.18 | 18,700 |   |  
            | 7/24/2008 | -1.60 / -3.85% | 40.00 | 41.00 | 40.00 | 40.00 | 40.00 | 2.26 | 508,900 |   |  			
            | 7/23/2008 | -1.70 / -3.93% | 41.60 | 41.60 | 41.60 | 41.60 | 41.60 | 2.35 | 10,100 |   |  
            | 7/22/2008 | -1.80 / -3.99% | 43.30 | 43.30 | 43.30 | 43.30 | 43.30 | 2.45 | 100 |   |  			
            | 7/21/2008 | +0.10 / +0.22% | 45.20 | 45.20 | 45.10 | 45.10 | 45.10 | 2.55 | 34,800 |   |  
            | 7/18/2008 | -1.50 / -3.23% | 48.30 | 48.30 | 44.70 | 45.00 | 45.00 | 2.54 | 627,500 |   |  |