| 
                 
                    Closing price on 6/18/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    126.00 | 
                 
                
                    | High | 
                    129.00 | 
                 
                
                    | Low | 
                    126.00 | 
                     
                
                    | Volume | 
                    34,900 | 
                                 
                
                    | Split-adjusted Price | 
                    6.81 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/18/2007
             | 
            
                +1.50 / +1.20%
             |             
            
                126.00
             |           
            
                129.00
             |               
            
                126.00
             |                           
            
                127.00
             | 
            
                127.00
             |                     
            
                6.81
             |                                 
            
                34,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2007
             | 
            
                +3.50 / +2.87%
             |             
            
                122.00
             |           
            
                127.00
             |               
            
                121.00
             |                           
            
                125.50
             | 
            
                125.50
             |                     
            
                6.73
             |                                 
            
                63,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2007
             | 
            
                -0.10 / -0.08%
             |             
            
                122.00
             |           
            
                123.00
             |               
            
                120.00
             |                           
            
                122.00
             | 
            
                122.00
             |                     
            
                6.54
             |                                 
            
                58,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2007
             | 
            
                -2.10 / -1.69%
             |             
            
                122.70
             |           
            
                124.00
             |               
            
                121.00
             |                           
            
                122.10
             | 
            
                122.10
             |                     
            
                6.55
             |                                 
            
                35,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2007
             | 
            
                -2.00 / -1.58%
             |             
            
                124.80
             |           
            
                126.00
             |               
            
                124.00
             |                           
            
                124.20
             | 
            
                124.20
             |                     
            
                6.66
             |                                 
            
                55,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2007
             | 
            
                -2.30 / -1.79%
             |             
            
                126.40
             |           
            
                128.00
             |               
            
                126.00
             |                           
            
                126.20
             | 
            
                126.20
             |                     
            
                6.77
             |                                 
            
                11,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2007
             | 
            
                -0.40 / -0.31%
             |             
            
                128.80
             |           
            
                131.00
             |               
            
                128.00
             |                           
            
                128.50
             | 
            
                128.50
             |                     
            
                6.89
             |                                 
            
                66,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2007
             | 
            
                +0.40 / +0.31%
             |             
            
                128.60
             |           
            
                133.00
             |               
            
                128.60
             |                           
            
                128.90
             | 
            
                128.90
             |                     
            
                6.91
             |                                 
            
                54,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.40
             |           
            
                130.00
             |               
            
                128.00
             |                           
            
                128.50
             | 
            
                128.50
             |                     
            
                6.89
             |                                 
            
                117,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2007
             | 
            
                -2.70 / -2.06%
             |             
            
                130.50
             |           
            
                134.00
             |               
            
                128.00
             |                           
            
                128.50
             | 
            
                128.50
             |                     
            
                6.89
             |                                 
            
                58,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2007
             | 
            
                -2.40 / -1.80%
             |             
            
                132.10
             |           
            
                134.20
             |               
            
                131.00
             |                           
            
                131.20
             | 
            
                131.20
             |                     
            
                7.04
             |                                 
            
                19,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2007
             | 
            
                -0.40 / -0.30%
             |             
            
                133.80
             |           
            
                136.00
             |               
            
                132.00
             |                           
            
                133.60
             | 
            
                133.60
             |                     
            
                7.16
             |                                 
            
                50,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2007
             | 
            
                0.00 / 0.00%
             |             
            
                133.00
             |           
            
                135.00
             |               
            
                132.90
             |                           
            
                134.00
             | 
            
                134.00
             |                     
            
                7.19
             |                                 
            
                58,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2007
             | 
            
                +0.40 / +0.30%
             |             
            
                133.00
             |           
            
                134.00
             |               
            
                130.50
             |                           
            
                134.00
             | 
            
                134.00
             |                     
            
                7.19
             |                                 
            
                66,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2007
             | 
            
                -0.40 / -0.30%
             |             
            
                133.90
             |           
            
                136.00
             |               
            
                133.10
             |                           
            
                133.60
             | 
            
                133.60
             |                     
            
                7.16
             |                                 
            
                118,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2007
             | 
            
                -1.80 / -1.33%
             |             
            
                134.90
             |           
            
                139.00
             |               
            
                134.00
             |                           
            
                134.00
             | 
            
                134.00
             |                     
            
                7.19
             |                                 
            
                131,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2007
             | 
            
                -1.60 / -1.16%
             |             
            
                136.00
             |           
            
                137.00
             |               
            
                135.00
             |                           
            
                135.80
             | 
            
                135.80
             |                     
            
                7.28
             |                                 
            
                111,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2007
             | 
            
                -4.10 / -2.90%
             |             
            
                137.40
             |           
            
                140.00
             |               
            
                135.00
             |                           
            
                137.40
             | 
            
                137.40
             |                     
            
                7.37
             |                                 
            
                84,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2007
             | 
            
                +2.60 / +1.87%
             |             
            
                140.00
             |           
            
                143.80
             |               
            
                140.00
             |                           
            
                141.50
             | 
            
                141.50
             |                     
            
                7.59
             |                                 
            
                128,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2007
             | 
            
                +1.90 / +1.39%
             |             
            
                136.70
             |           
            
                139.90
             |               
            
                136.00
             |                           
            
                138.90
             | 
            
                138.90
             |                     
            
                7.45
             |                                 
            
                135,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2007
             | 
            
                -2.50 / -1.79%
             |             
            
                136.70
             |           
            
                139.80
             |               
            
                135.00
             |                           
            
                137.00
             | 
            
                137.00
             |                     
            
                7.35
             |                                 
            
                64,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2007
             | 
            
                -1.50 / -1.06%
             |             
            
                139.80
             |           
            
                142.20
             |               
            
                139.00
             |                           
            
                139.50
             | 
            
                139.50
             |                     
            
                7.48
             |                                 
            
                56,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2007
             | 
            
                -3.00 / -2.08%
             |             
            
                142.20
             |           
            
                144.00
             |               
            
                140.00
             |                           
            
                141.00
             | 
            
                141.00
             |                     
            
                7.56
             |                                 
            
                35,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2007
             | 
            
                -66.50 / -31.59%
             |             
            
                141.20
             |           
            
                145.00
             |               
            
                141.20
             |                           
            
                144.00
             | 
            
                144.00
             |                     
            
                7.72
             |                                 
            
                44,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2007
             | 
            
                -7.00 / -3.22%
             |             
            
                212.30
             |           
            
                219.60
             |               
            
                210.00
             |                           
            
                210.50
             | 
            
                210.50
             |                     
            
                7.51
             |                                 
            
                145,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2007
             | 
            
                +2.50 / +1.16%
             |             
            
                215.50
             |           
            
                220.00
             |               
            
                215.50
             |                           
            
                217.50
             | 
            
                217.50
             |                     
            
                7.76
             |                                 
            
                89,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2007
             | 
            
                +4.20 / +1.99%
             |             
            
                210.80
             |           
            
                215.10
             |               
            
                208.00
             |                           
            
                215.00
             | 
            
                215.00
             |                     
            
                7.67
             |                                 
            
                125,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2007
             | 
            
                -3.20 / -1.50%
             |             
            
                210.80
             |           
            
                220.00
             |               
            
                208.00
             |                           
            
                210.80
             | 
            
                210.80
             |                     
            
                7.52
             |                                 
            
                90,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2007
             | 
            
                +15.50 / +7.81%
             |             
            
                206.00
             |           
            
                217.50
             |               
            
                206.00
             |                           
            
                214.00
             | 
            
                214.00
             |                     
            
                7.63
             |                                 
            
                135,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2007
             | 
            
                +9.50 / +5.03%
             |             
            
                190.10
             |           
            
                200.00
             |               
            
                190.10
             |                           
            
                198.50
             | 
            
                198.50
             |                     
            
                7.08
             |                                 
            
                60,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |