| 
                 
                    Closing price on 4/24/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    178.00 | 
                 
                
                    | High | 
                    180.00 | 
                 
                
                    | Low | 
                    163.20 | 
                     
                
                    | Volume | 
                    22,300 | 
                                 
                
                    | Split-adjusted Price | 
                    6.42 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/24/2007
             | 
            
                -1.00 / -0.55%
             |             
            
                178.00
             |           
            
                180.00
             |               
            
                163.20
             |                           
            
                180.00
             | 
            
                180.00
             |                     
            
                6.42
             |                                 
            
                22,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2007
             | 
            
                -8.00 / -4.23%
             |             
            
                178.10
             |           
            
                184.00
             |               
            
                170.00
             |                           
            
                181.00
             | 
            
                181.00
             |                     
            
                6.46
             |                                 
            
                78,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2007
             | 
            
                -6.00 / -3.08%
             |             
            
                188.60
             |           
            
                195.00
             |               
            
                186.00
             |                           
            
                189.00
             | 
            
                189.00
             |                     
            
                6.74
             |                                 
            
                13,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2007
             | 
            
                -11.50 / -5.57%
             |             
            
                199.20
             |           
            
                210.00
             |               
            
                190.00
             |                           
            
                195.00
             | 
            
                195.00
             |                     
            
                6.96
             |                                 
            
                36,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2007
             | 
            
                +6.40 / +3.20%
             |             
            
                200.00
             |           
            
                206.50
             |               
            
                200.00
             |                           
            
                206.50
             | 
            
                206.50
             |                     
            
                7.37
             |                                 
            
                60,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2007
             | 
            
                +19.10 / +10.55%
             |             
            
                183.20
             |           
            
                201.00
             |               
            
                170.00
             |                           
            
                200.10
             | 
            
                200.10
             |                     
            
                7.14
             |                                 
            
                131,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2007
             | 
            
                -18.90 / -9.45%
             |             
            
                183.20
             |           
            
                199.80
             |               
            
                180.20
             |                           
            
                181.00
             | 
            
                181.00
             |                     
            
                6.46
             |                                 
            
                53,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2007
             | 
            
                -7.10 / -3.43%
             |             
            
                200.20
             |           
            
                206.50
             |               
            
                195.00
             |                           
            
                199.90
             | 
            
                199.90
             |                     
            
                7.13
             |                                 
            
                69,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2007
             | 
            
                -12.00 / -5.48%
             |             
            
                207.90
             |           
            
                219.00
             |               
            
                205.00
             |                           
            
                207.00
             | 
            
                207.00
             |                     
            
                7.38
             |                                 
            
                82,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2007
             | 
            
                -1.00 / -0.45%
             |             
            
                217.10
             |           
            
                222.30
             |               
            
                215.00
             |                           
            
                219.00
             | 
            
                219.00
             |                     
            
                7.81
             |                                 
            
                39,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2007
             | 
            
                0.00 / 0.00%
             |             
            
                221.00
             |           
            
                240.00
             |               
            
                220.00
             |                           
            
                220.00
             | 
            
                220.00
             |                     
            
                7.85
             |                                 
            
                48,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2007
             | 
            
                +2.00 / +0.92%
             |             
            
                219.10
             |           
            
                224.90
             |               
            
                219.10
             |                           
            
                220.00
             | 
            
                220.00
             |                     
            
                7.85
             |                                 
            
                54,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2007
             | 
            
                +3.00 / +1.40%
             |             
            
                217.30
             |           
            
                219.00
             |               
            
                216.00
             |                           
            
                218.00
             | 
            
                218.00
             |                     
            
                7.78
             |                                 
            
                30,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2007
             | 
            
                -4.50 / -2.05%
             |             
            
                218.50
             |           
            
                225.00
             |               
            
                211.00
             |                           
            
                215.00
             | 
            
                215.00
             |                     
            
                7.67
             |                                 
            
                53,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2007
             | 
            
                +9.50 / +4.52%
             |             
            
                210.00
             |           
            
                222.00
             |               
            
                210.00
             |                           
            
                219.50
             | 
            
                219.50
             |                     
            
                7.83
             |                                 
            
                33,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2007
             | 
            
                -6.00 / -2.78%
             |             
            
                206.20
             |           
            
                224.50
             |               
            
                204.00
             |                           
            
                210.00
             | 
            
                210.00
             |                     
            
                7.49
             |                                 
            
                59,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2007
             | 
            
                -14.00 / -6.09%
             |             
            
                218.40
             |           
            
                230.00
             |               
            
                216.00
             |                           
            
                216.00
             | 
            
                216.00
             |                     
            
                7.70
             |                                 
            
                33,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2007
             | 
            
                -6.60 / -2.79%
             |             
            
                232.50
             |           
            
                250.00
             |               
            
                230.00
             |                           
            
                230.00
             | 
            
                230.00
             |                     
            
                8.20
             |                                 
            
                39,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2007
             | 
            
                +6.10 / +2.65%
             |             
            
                229.00
             |           
            
                236.60
             |               
            
                229.00
             |                           
            
                236.60
             | 
            
                236.60
             |                     
            
                8.44
             |                                 
            
                105,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2007
             | 
            
                +21.10 / +10.08%
             |             
            
                209.90
             |           
            
                230.50
             |               
            
                190.00
             |                           
            
                230.50
             | 
            
                230.50
             |                     
            
                8.22
             |                                 
            
                77,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2007
             | 
            
                -13.60 / -6.10%
             |             
            
                209.90
             |           
            
                232.60
             |               
            
                209.40
             |                           
            
                209.40
             | 
            
                209.40
             |                     
            
                7.47
             |                                 
            
                42,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2007
             | 
            
                -22.10 / -9.02%
             |             
            
                233.30
             |           
            
                245.50
             |               
            
                221.20
             |                           
            
                223.00
             | 
            
                223.00
             |                     
            
                7.95
             |                                 
            
                13,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2007
             | 
            
                -3.90 / -1.57%
             |             
            
                245.70
             |           
            
                250.00
             |               
            
                245.00
             |                           
            
                245.10
             | 
            
                245.10
             |                     
            
                8.74
             |                                 
            
                21,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2007
             | 
            
                -6.00 / -2.35%
             |             
            
                249.70
             |           
            
                255.00
             |               
            
                247.00
             |                           
            
                249.00
             | 
            
                249.00
             |                     
            
                8.88
             |                                 
            
                30,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2007
             | 
            
                -5.00 / -1.92%
             |             
            
                249.70
             |           
            
                260.00
             |               
            
                240.00
             |                           
            
                255.00
             | 
            
                255.00
             |                     
            
                9.10
             |                                 
            
                32,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2007
             | 
            
                -9.90 / -3.67%
             |             
            
                262.30
             |           
            
                270.00
             |               
            
                255.00
             |                           
            
                260.00
             | 
            
                260.00
             |                     
            
                9.27
             |                                 
            
                11,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2007
             | 
            
                -0.10 / -0.04%
             |             
            
                265.00
             |           
            
                287.70
             |               
            
                265.00
             |                           
            
                269.90
             | 
            
                269.90
             |                     
            
                9.63
             |                                 
            
                33,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2007
             | 
            
                +25.00 / +10.20%
             |             
            
                251.40
             |           
            
                276.50
             |               
            
                240.00
             |                           
            
                270.00
             | 
            
                270.00
             |                     
            
                9.63
             |                                 
            
                35,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2007
             | 
            
                -29.00 / -10.58%
             |             
            
                251.40
             |           
            
                264.00
             |               
            
                244.50
             |                           
            
                245.00
             | 
            
                245.00
             |                     
            
                8.74
             |                                 
            
                36,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2007
             | 
            
                -6.00 / -2.14%
             |             
            
                271.60
             |           
            
                280.00
             |               
            
                270.00
             |                           
            
                274.00
             | 
            
                274.00
             |                     
            
                9.77
             |                                 
            
                29,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |