| 
                 
                    Closing price on 12/12/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    114.50 | 
                 
                
                    | High | 
                    115.60 | 
                 
                
                    | Low | 
                    111.50 | 
                     
                
                    | Volume | 
                    27,200 | 
                                 
                
                    | Split-adjusted Price | 
                    6.16 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/12/2007
             | 
            
                +0.70 / +0.62%
             |             
            
                114.50
             |           
            
                115.60
             |               
            
                111.50
             |                           
            
                113.90
             | 
            
                113.90
             |                     
            
                6.16
             |                                 
            
                27,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2007
             | 
            
                -1.40 / -1.22%
             |             
            
                114.50
             |           
            
                116.30
             |               
            
                113.00
             |                           
            
                113.20
             | 
            
                113.20
             |                     
            
                6.12
             |                                 
            
                64,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2007
             | 
            
                -1.80 / -1.55%
             |             
            
                116.00
             |           
            
                116.30
             |               
            
                114.00
             |                           
            
                114.60
             | 
            
                114.60
             |                     
            
                6.20
             |                                 
            
                40,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2007
             | 
            
                -0.10 / -0.09%
             |             
            
                116.00
             |           
            
                116.90
             |               
            
                115.50
             |                           
            
                116.40
             | 
            
                116.40
             |                     
            
                6.29
             |                                 
            
                49,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2007
             | 
            
                0.00 / 0.00%
             |             
            
                117.00
             |           
            
                117.50
             |               
            
                116.00
             |                           
            
                116.50
             | 
            
                116.50
             |                     
            
                6.30
             |                                 
            
                58,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2007
             | 
            
                -0.50 / -0.43%
             |             
            
                118.50
             |           
            
                118.50
             |               
            
                114.60
             |                           
            
                116.50
             | 
            
                116.50
             |                     
            
                6.30
             |                                 
            
                63,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2007
             | 
            
                +0.80 / +0.69%
             |             
            
                116.00
             |           
            
                119.50
             |               
            
                116.00
             |                           
            
                117.00
             | 
            
                117.00
             |                     
            
                6.33
             |                                 
            
                90,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2007
             | 
            
                +0.70 / +0.61%
             |             
            
                117.00
             |           
            
                117.00
             |               
            
                115.80
             |                           
            
                116.20
             | 
            
                116.20
             |                     
            
                6.28
             |                                 
            
                77,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2007
             | 
            
                -0.50 / -0.43%
             |             
            
                117.80
             |           
            
                117.80
             |               
            
                115.40
             |                           
            
                115.50
             | 
            
                115.50
             |                     
            
                6.25
             |                                 
            
                50,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2007
             | 
            
                -0.90 / -0.77%
             |             
            
                117.50
             |           
            
                118.00
             |               
            
                116.00
             |                           
            
                116.00
             | 
            
                116.00
             |                     
            
                6.27
             |                                 
            
                37,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2007
             | 
            
                +0.40 / +0.34%
             |             
            
                116.70
             |           
            
                117.80
             |               
            
                115.00
             |                           
            
                116.90
             | 
            
                116.90
             |                     
            
                6.32
             |                                 
            
                56,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2007
             | 
            
                -0.50 / -0.43%
             |             
            
                118.00
             |           
            
                119.00
             |               
            
                116.00
             |                           
            
                116.50
             | 
            
                116.50
             |                     
            
                6.30
             |                                 
            
                46,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2007
             | 
            
                +2.00 / +1.74%
             |             
            
                115.30
             |           
            
                117.50
             |               
            
                115.30
             |                           
            
                117.00
             | 
            
                117.00
             |                     
            
                6.33
             |                                 
            
                73,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2007
             | 
            
                0.00 / 0.00%
             |             
            
                115.00
             |           
            
                117.00
             |               
            
                114.60
             |                           
            
                115.00
             | 
            
                115.00
             |                     
            
                6.22
             |                                 
            
                75,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2007
             | 
            
                0.00 / 0.00%
             |             
            
                114.50
             |           
            
                125.00
             |               
            
                114.50
             |                           
            
                115.00
             | 
            
                115.00
             |                     
            
                6.22
             |                                 
            
                124,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2007
             | 
            
                -1.50 / -1.29%
             |             
            
                116.00
             |           
            
                116.30
             |               
            
                104.70
             |                           
            
                115.00
             | 
            
                115.00
             |                     
            
                6.22
             |                                 
            
                156,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2007
             | 
            
                -0.50 / -0.43%
             |             
            
                118.00
             |           
            
                118.00
             |               
            
                115.00
             |                           
            
                116.50
             | 
            
                116.50
             |                     
            
                6.30
             |                                 
            
                40,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2007
             | 
            
                -1.60 / -1.35%
             |             
            
                115.00
             |           
            
                117.80
             |               
            
                115.00
             |                           
            
                117.00
             | 
            
                117.00
             |                     
            
                6.33
             |                                 
            
                68,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2007
             | 
            
                -0.40 / -0.34%
             |             
            
                118.00
             |           
            
                119.10
             |               
            
                117.00
             |                           
            
                118.60
             | 
            
                118.60
             |                     
            
                6.41
             |                                 
            
                25,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2007
             | 
            
                -5.90 / -4.72%
             |             
            
                126.00
             |           
            
                126.00
             |               
            
                117.00
             |                           
            
                119.00
             | 
            
                119.00
             |                     
            
                6.43
             |                                 
            
                61,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2007
             | 
            
                +11.80 / +10.43%
             |             
            
                113.50
             |           
            
                124.90
             |               
            
                113.00
             |                           
            
                124.90
             | 
            
                124.90
             |                     
            
                6.75
             |                                 
            
                172,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2007
             | 
            
                -7.50 / -6.22%
             |             
            
                119.00
             |           
            
                120.00
             |               
            
                111.10
             |                           
            
                113.10
             | 
            
                113.10
             |                     
            
                6.12
             |                                 
            
                86,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2007
             | 
            
                -2.40 / -1.95%
             |             
            
                121.50
             |           
            
                122.00
             |               
            
                119.00
             |                           
            
                120.60
             | 
            
                120.60
             |                     
            
                6.52
             |                                 
            
                97,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2007
             | 
            
                -1.00 / -0.81%
             |             
            
                126.00
             |           
            
                126.00
             |               
            
                121.00
             |                           
            
                123.00
             | 
            
                123.00
             |                     
            
                6.65
             |                                 
            
                73,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2007
             | 
            
                -2.40 / -1.90%
             |             
            
                127.00
             |           
            
                127.00
             |               
            
                124.00
             |                           
            
                124.00
             | 
            
                124.00
             |                     
            
                6.70
             |                                 
            
                59,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2007
             | 
            
                +2.40 / +1.94%
             |             
            
                124.00
             |           
            
                127.50
             |               
            
                124.00
             |                           
            
                126.40
             | 
            
                126.40
             |                     
            
                6.83
             |                                 
            
                69,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2007
             | 
            
                -1.00 / -0.80%
             |             
            
                120.00
             |           
            
                124.00
             |               
            
                120.00
             |                           
            
                124.00
             | 
            
                124.00
             |                     
            
                6.70
             |                                 
            
                64,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2007
             | 
            
                -3.10 / -2.42%
             |             
            
                125.00
             |           
            
                128.00
             |               
            
                124.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                6.76
             |                                 
            
                120,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2007
             | 
            
                +0.10 / +0.08%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                126.80
             |                           
            
                128.10
             | 
            
                128.10
             |                     
            
                6.93
             |                                 
            
                146,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2007
             | 
            
                -0.10 / -0.08%
             |             
            
                129.00
             |           
            
                134.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                6.92
             |                                 
            
                97,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |