| 
                 
                    Closing price on 2/25/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    79.00 | 
                 
                
                    | High | 
                    86.10 | 
                 
                
                    | Low | 
                    79.00 | 
                     
                
                    | Volume | 
                    133,800 | 
                                 
                
                    | Split-adjusted Price | 
                    4.66 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2008
             | 
            
                -3.50 / -3.24%
             |             
            
                104.20
             |           
            
                108.00
             |               
            
                104.20
             |                           
            
                104.50
             | 
            
                104.50
             |                     
            
                5.65
             |                                 
            
                32,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2008
             | 
            
                +4.20 / +4.05%
             |             
            
                102.00
             |           
            
                108.00
             |               
            
                102.00
             |                           
            
                108.00
             | 
            
                108.00
             |                     
            
                5.84
             |                                 
            
                111,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2008
             | 
            
                -5.10 / -4.68%
             |             
            
                104.07
             |           
            
                108.80
             |               
            
                103.00
             |                           
            
                103.80
             | 
            
                103.80
             |                     
            
                5.61
             |                                 
            
                52,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |