| 
                 
                    Closing price on 10/17/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    150.00 | 
                 
                
                    | High | 
                    152.00 | 
                 
                
                    | Low | 
                    138.00 | 
                     
                
                    | Volume | 
                    136,900 | 
                                 
                
                    | Split-adjusted Price | 
                    7.62 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/17/2007
             | 
            
                -7.00 / -4.73%
             |             
            
                150.00
             |           
            
                152.00
             |               
            
                138.00
             |                           
            
                141.00
             | 
            
                141.00
             |                     
            
                7.62
             |                                 
            
                136,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2007
             | 
            
                +7.50 / +5.34%
             |             
            
                144.00
             |           
            
                151.90
             |               
            
                140.00
             |                           
            
                148.00
             | 
            
                148.00
             |                     
            
                8.00
             |                                 
            
                240,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2007
             | 
            
                +4.20 / +3.08%
             |             
            
                137.00
             |           
            
                143.00
             |               
            
                135.80
             |                           
            
                140.50
             | 
            
                140.50
             |                     
            
                7.60
             |                                 
            
                154,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2007
             | 
            
                +0.30 / +0.22%
             |             
            
                137.00
             |           
            
                137.20
             |               
            
                134.00
             |                           
            
                136.30
             | 
            
                136.30
             |                     
            
                7.37
             |                                 
            
                62,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2007
             | 
            
                -2.50 / -1.81%
             |             
            
                139.00
             |           
            
                139.00
             |               
            
                135.50
             |                           
            
                136.00
             | 
            
                136.00
             |                     
            
                7.35
             |                                 
            
                65,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2007
             | 
            
                +2.40 / +1.76%
             |             
            
                135.00
             |           
            
                139.00
             |               
            
                134.50
             |                           
            
                138.50
             | 
            
                138.50
             |                     
            
                7.49
             |                                 
            
                100,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2007
             | 
            
                +5.10 / +3.89%
             |             
            
                132.00
             |           
            
                137.00
             |               
            
                132.00
             |                           
            
                136.10
             | 
            
                136.10
             |                     
            
                7.36
             |                                 
            
                150,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2007
             | 
            
                -1.50 / -1.13%
             |             
            
                136.00
             |           
            
                138.00
             |               
            
                131.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                7.08
             |                                 
            
                150,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2007
             | 
            
                -4.50 / -3.28%
             |             
            
                137.00
             |           
            
                138.00
             |               
            
                130.00
             |                           
            
                132.50
             | 
            
                132.50
             |                     
            
                7.16
             |                                 
            
                147,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2007
             | 
            
                -1.00 / -0.72%
             |             
            
                137.00
             |           
            
                138.80
             |               
            
                136.50
             |                           
            
                137.00
             | 
            
                137.00
             |                     
            
                7.41
             |                                 
            
                125,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2007
             | 
            
                0.00 / 0.00%
             |             
            
                138.00
             |           
            
                138.50
             |               
            
                134.50
             |                           
            
                138.00
             | 
            
                138.00
             |                     
            
                7.46
             |                                 
            
                146,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2007
             | 
            
                -1.10 / -0.79%
             |             
            
                150.00
             |           
            
                152.40
             |               
            
                135.00
             |                           
            
                138.00
             | 
            
                138.00
             |                     
            
                7.46
             |                                 
            
                156,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2007
             | 
            
                +11.10 / +8.67%
             |             
            
                136.50
             |           
            
                139.10
             |               
            
                134.00
             |                           
            
                139.10
             | 
            
                139.10
             |                     
            
                7.52
             |                                 
            
                217,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2007
             | 
            
                +10.00 / +8.47%
             |             
            
                118.50
             |           
            
                129.00
             |               
            
                118.50
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                6.92
             |                                 
            
                135,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2007
             | 
            
                +1.00 / +0.85%
             |             
            
                117.00
             |           
            
                118.00
             |               
            
                116.50
             |                           
            
                118.00
             | 
            
                118.00
             |                     
            
                6.38
             |                                 
            
                87,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2007
             | 
            
                -1.30 / -1.10%
             |             
            
                118.50
             |           
            
                118.50
             |               
            
                116.00
             |                           
            
                117.00
             | 
            
                117.00
             |                     
            
                6.33
             |                                 
            
                118,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2007
             | 
            
                +4.40 / +3.86%
             |             
            
                114.50
             |           
            
                120.00
             |               
            
                113.60
             |                           
            
                118.30
             | 
            
                118.30
             |                     
            
                6.40
             |                                 
            
                85,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2007
             | 
            
                +0.90 / +0.80%
             |             
            
                113.00
             |           
            
                114.50
             |               
            
                113.00
             |                           
            
                113.90
             | 
            
                113.90
             |                     
            
                6.16
             |                                 
            
                66,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2007
             | 
            
                +0.10 / +0.09%
             |             
            
                113.50
             |           
            
                114.00
             |               
            
                112.50
             |                           
            
                113.00
             | 
            
                113.00
             |                     
            
                6.11
             |                                 
            
                86,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2007
             | 
            
                +0.40 / +0.36%
             |             
            
                112.50
             |           
            
                116.00
             |               
            
                112.30
             |                           
            
                112.90
             | 
            
                112.90
             |                     
            
                6.10
             |                                 
            
                87,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2007
             | 
            
                +1.60 / +1.44%
             |             
            
                110.00
             |           
            
                113.50
             |               
            
                110.00
             |                           
            
                112.50
             | 
            
                112.50
             |                     
            
                6.08
             |                                 
            
                90,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2007
             | 
            
                -0.10 / -0.09%
             |             
            
                110.60
             |           
            
                111.30
             |               
            
                110.40
             |                           
            
                110.90
             | 
            
                110.90
             |                     
            
                6.00
             |                                 
            
                63,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2007
             | 
            
                +1.00 / +0.91%
             |             
            
                110.00
             |           
            
                111.00
             |               
            
                109.00
             |                           
            
                111.00
             | 
            
                111.00
             |                     
            
                6.00
             |                                 
            
                82,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2007
             | 
            
                +1.50 / +1.38%
             |             
            
                109.00
             |           
            
                110.30
             |               
            
                109.00
             |                           
            
                110.00
             | 
            
                110.00
             |                     
            
                5.95
             |                                 
            
                75,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2007
             | 
            
                -0.50 / -0.46%
             |             
            
                108.00
             |           
            
                109.80
             |               
            
                107.00
             |                           
            
                108.50
             | 
            
                108.50
             |                     
            
                5.87
             |                                 
            
                40,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2007
             | 
            
                -1.00 / -0.91%
             |             
            
                110.00
             |           
            
                110.00
             |               
            
                105.00
             |                           
            
                109.00
             | 
            
                109.00
             |                     
            
                5.89
             |                                 
            
                108,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2007
             | 
            
                -0.50 / -0.45%
             |             
            
                112.00
             |           
            
                112.00
             |               
            
                109.60
             |                           
            
                110.00
             | 
            
                110.00
             |                     
            
                5.95
             |                                 
            
                47,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2007
             | 
            
                -1.90 / -1.69%
             |             
            
                111.50
             |           
            
                112.50
             |               
            
                108.00
             |                           
            
                110.50
             | 
            
                110.50
             |                     
            
                5.97
             |                                 
            
                127,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2007
             | 
            
                +0.10 / +0.09%
             |             
            
                112.00
             |           
            
                112.80
             |               
            
                105.00
             |                           
            
                112.40
             | 
            
                112.40
             |                     
            
                6.08
             |                                 
            
                176,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2007
             | 
            
                -0.90 / -0.80%
             |             
            
                113.00
             |           
            
                113.00
             |               
            
                110.50
             |                           
            
                112.30
             | 
            
                112.30
             |                     
            
                6.07
             |                                 
            
                44,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |