| 
                 
                    Closing price on 7/3/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    115.90 | 
                 
                
                    | High | 
                    118.90 | 
                 
                
                    | Low | 
                    113.00 | 
                     
                
                    | Volume | 
                    51,800 | 
                                 
                
                    | Split-adjusted Price | 
                    6.38 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/3/2007
             | 
            
                -0.10 / -0.08%
             |             
            
                115.90
             |           
            
                118.90
             |               
            
                113.00
             |                           
            
                118.90
             | 
            
                118.90
             |                     
            
                6.38
             |                                 
            
                51,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2007
             | 
            
                -5.00 / -4.03%
             |             
            
                120.40
             |           
            
                124.50
             |               
            
                117.00
             |                           
            
                119.00
             | 
            
                119.00
             |                     
            
                6.38
             |                                 
            
                18,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2007
             | 
            
                +0.80 / +0.65%
             |             
            
                122.70
             |           
            
                124.00
             |               
            
                122.50
             |                           
            
                124.00
             | 
            
                124.00
             |                     
            
                6.65
             |                                 
            
                30,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2007
             | 
            
                +0.20 / +0.16%
             |             
            
                122.70
             |           
            
                123.60
             |               
            
                121.80
             |                           
            
                123.20
             | 
            
                123.20
             |                     
            
                6.61
             |                                 
            
                25,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2007
             | 
            
                -0.60 / -0.49%
             |             
            
                123.60
             |           
            
                124.00
             |               
            
                122.00
             |                           
            
                123.00
             | 
            
                123.00
             |                     
            
                6.60
             |                                 
            
                51,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2007
             | 
            
                -0.90 / -0.72%
             |             
            
                123.80
             |           
            
                124.30
             |               
            
                123.50
             |                           
            
                123.60
             | 
            
                123.60
             |                     
            
                6.63
             |                                 
            
                22,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2007
             | 
            
                +0.40 / +0.32%
             |             
            
                123.70
             |           
            
                124.90
             |               
            
                123.50
             |                           
            
                124.50
             | 
            
                124.50
             |                     
            
                6.68
             |                                 
            
                46,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2007
             | 
            
                -0.40 / -0.32%
             |             
            
                123.70
             |           
            
                124.90
             |               
            
                123.20
             |                           
            
                124.10
             | 
            
                124.10
             |                     
            
                6.65
             |                                 
            
                24,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2007
             | 
            
                -3.70 / -2.89%
             |             
            
                125.50
             |           
            
                128.70
             |               
            
                123.50
             |                           
            
                124.50
             | 
            
                124.50
             |                     
            
                6.68
             |                                 
            
                18,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2007
             | 
            
                -0.30 / -0.23%
             |             
            
                128.10
             |           
            
                129.10
             |               
            
                128.10
             |                           
            
                128.20
             | 
            
                128.20
             |                     
            
                6.87
             |                                 
            
                51,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2007
             | 
            
                +1.50 / +1.18%
             |             
            
                127.40
             |           
            
                129.00
             |               
            
                126.50
             |                           
            
                128.50
             | 
            
                128.50
             |                     
            
                6.89
             |                                 
            
                97,300
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |