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                    Closing price on 2/28/2008
                 |  |  
    
        |           
                
                    | Open | 80.00 |  
                    | High | 90.00 |  
                    | Low | 80.00 |  
                    | Volume | 74,600 |  
                    | Split-adjusted Price | 4.42 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/28/2008 | +1.20 / +1.49% | 80.00 | 90.00 | 80.00 | 81.70 | 81.70 | 4.42 | 74,600 |   |  
            | 2/27/2008 | 0.00 / 0.00% | 77.00 | 84.50 | 77.00 | 80.50 | 80.50 | 4.35 | 75,100 |   |  			
            | 2/26/2008 | -5.60 / -6.50% | 90.00 | 90.00 | 78.10 | 80.50 | 80.50 | 4.35 | 72,400 |   |  
            | 2/25/2008 | +5.60 / +6.96% | 79.00 | 86.10 | 79.00 | 86.10 | 86.10 | 4.66 | 133,800 |   |  			
            | 2/22/2008 | -0.50 / -0.62% | 78.20 | 83.00 | 72.60 | 80.50 | 80.50 | 4.35 | 107,900 |   |  
            | 2/21/2008 | -8.00 / -8.99% | 90.00 | 90.00 | 79.90 | 81.00 | 81.00 | 4.38 | 210,900 |   |  			
            | 2/20/2008 | -2.00 / -2.20% | 90.00 | 93.00 | 86.50 | 89.00 | 89.00 | 4.81 | 146,400 |   |  
            | 2/19/2008 | -1.00 / -1.09% | 92.00 | 92.00 | 87.00 | 91.00 | 91.00 | 4.92 | 167,000 |   |  			
            | 2/18/2008 | -4.50 / -4.66% | 94.90 | 94.90 | 90.10 | 92.00 | 92.00 | 4.97 | 55,300 |   |  
            | 2/15/2008 | -1.50 / -1.53% | 100.00 | 100.00 | 96.00 | 96.50 | 96.50 | 5.22 | 23,300 |   |  			
            | 2/14/2008 | +1.00 / +1.03% | 97.20 | 100.00 | 97.00 | 98.00 | 98.00 | 5.30 | 17,900 |   |  
            | 2/13/2008 | -4.00 / -3.96% | 99.00 | 99.00 | 96.00 | 97.00 | 97.00 | 5.24 | 9,800 |   |  			
            | 2/12/2008 | -4.00 / -3.81% | 101.00 | 102.00 | 98.00 | 101.00 | 101.00 | 5.46 | 19,600 |   |  
            | 2/1/2008 | +1.50 / +1.45% | 103.00 | 105.50 | 102.30 | 105.00 | 105.00 | 5.68 | 54,600 |   |  			
            | 1/31/2008 | -0.50 / -0.48% | 110.00 | 113.80 | 97.00 | 103.50 | 103.50 | 5.60 | 43,800 |   |  
            | 1/30/2008 | +6.00 / +6.12% | 99.00 | 105.30 | 99.00 | 104.00 | 104.00 | 5.62 | 65,400 |   |  			
            | 1/29/2008 | +2.70 / +2.83% | 95.00 | 98.00 | 95.00 | 98.00 | 98.00 | 5.30 | 92,000 |   |  
            | 1/28/2008 | +0.20 / +0.21% | 96.00 | 97.00 | 94.30 | 95.30 | 95.30 | 5.15 | 43,500 |   |  			
            | 1/25/2008 | +1.10 / +1.17% | 97.00 | 97.00 | 94.50 | 95.10 | 95.10 | 5.14 | 56,300 |   |  
            | 1/24/2008 | 0.00 / 0.00% | 95.00 | 98.00 | 92.50 | 94.00 | 94.00 | 5.08 | 50,700 |   |  			
            | 1/23/2008 | -3.50 / -3.59% | 98.00 | 98.10 | 93.10 | 94.00 | 94.00 | 5.08 | 57,700 |   |  
            | 1/22/2008 | -1.50 / -1.52% | 98.20 | 98.20 | 93.00 | 97.50 | 97.50 | 5.27 | 35,100 |   |  			
            | 1/21/2008 | -3.00 / -2.94% | 98.00 | 99.50 | 98.00 | 99.00 | 99.00 | 5.35 | 9,100 |   |  
            | 1/18/2008 | +3.00 / +3.03% | 98.10 | 103.00 | 98.10 | 102.00 | 102.00 | 5.52 | 53,300 |   |  			
            | 1/17/2008 | -3.30 / -3.23% | 102.35 | 108.00 | 96.00 | 99.00 | 99.00 | 5.35 | 122,700 |   |  
            | 1/16/2008 | +9.30 / +10.00% | 97.00 | 102.30 | 97.00 | 102.30 | 102.30 | 5.53 | 140,000 |   |  			
            | 1/15/2008 | -6.00 / -6.06% | 94.70 | 99.00 | 91.60 | 93.00 | 93.00 | 5.03 | 110,300 |   |  
            | 1/14/2008 | -2.50 / -2.46% | 98.40 | 102.00 | 98.40 | 99.00 | 99.00 | 5.35 | 79,000 |   |  			
            | 1/11/2008 | -0.50 / -0.49% | 101.50 | 104.40 | 101.50 | 101.50 | 101.50 | 5.49 | 34,800 |   |  
            | 1/10/2008 | -2.50 / -2.39% | 101.40 | 105.00 | 101.40 | 102.00 | 102.00 | 5.52 | 83,700 |   |  |