| 
                 
                    Closing price on 8/3/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    97.50 | 
                 
                
                    | High | 
                    97.50 | 
                 
                
                    | Low | 
                    94.50 | 
                     
                
                    | Volume | 
                    66,700 | 
                                 
                
                    | Split-adjusted Price | 
                    5.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/3/2007
             | 
            
                -1.90 / -1.96%
             |             
            
                97.50
             |           
            
                97.50
             |               
            
                94.50
             |                           
            
                95.10
             | 
            
                95.10
             |                     
            
                5.14
             |                                 
            
                66,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2007
             | 
            
                -2.20 / -2.22%
             |             
            
                101.00
             |           
            
                101.00
             |               
            
                96.80
             |                           
            
                97.00
             | 
            
                97.00
             |                     
            
                5.24
             |                                 
            
                101,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2007
             | 
            
                +4.20 / +4.42%
             |             
            
                94.00
             |           
            
                99.80
             |               
            
                92.50
             |                           
            
                99.20
             | 
            
                99.20
             |                     
            
                5.36
             |                                 
            
                210,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2007
             | 
            
                -3.00 / -3.06%
             |             
            
                94.00
             |           
            
                99.00
             |               
            
                90.50
             |                           
            
                95.00
             | 
            
                95.00
             |                     
            
                5.14
             |                                 
            
                249,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2007
             | 
            
                -3.50 / -3.45%
             |             
            
                98.30
             |           
            
                100.00
             |               
            
                97.50
             |                           
            
                98.00
             | 
            
                98.00
             |                     
            
                5.30
             |                                 
            
                119,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2007
             | 
            
                -0.50 / -0.49%
             |             
            
                101.50
             |           
            
                101.50
             |               
            
                96.00
             |                           
            
                101.50
             | 
            
                101.50
             |                     
            
                5.49
             |                                 
            
                143,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2007
             | 
            
                -7.20 / -6.59%
             |             
            
                103.70
             |           
            
                108.50
             |               
            
                101.00
             |                           
            
                102.00
             | 
            
                102.00
             |                     
            
                5.52
             |                                 
            
                95,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2007
             | 
            
                -3.80 / -3.36%
             |             
            
                109.40
             |           
            
                112.00
             |               
            
                109.00
             |                           
            
                109.20
             | 
            
                109.20
             |                     
            
                5.90
             |                                 
            
                33,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2007
             | 
            
                -2.00 / -1.74%
             |             
            
                112.60
             |           
            
                114.80
             |               
            
                111.70
             |                           
            
                113.00
             | 
            
                113.00
             |                     
            
                6.11
             |                                 
            
                50,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2007
             | 
            
                -1.50 / -1.29%
             |             
            
                115.80
             |           
            
                116.70
             |               
            
                115.00
             |                           
            
                115.00
             | 
            
                115.00
             |                     
            
                6.22
             |                                 
            
                67,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2007
             | 
            
                -0.10 / -0.09%
             |             
            
                116.70
             |           
            
                117.00
             |               
            
                116.20
             |                           
            
                116.50
             | 
            
                116.50
             |                     
            
                6.30
             |                                 
            
                55,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2007
             | 
            
                -1.00 / -0.85%
             |             
            
                117.00
             |           
            
                117.50
             |               
            
                116.50
             |                           
            
                116.60
             | 
            
                116.60
             |                     
            
                6.30
             |                                 
            
                24,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2007
             | 
            
                -0.40 / -0.34%
             |             
            
                117.70
             |           
            
                118.00
             |               
            
                117.10
             |                           
            
                117.60
             | 
            
                117.60
             |                     
            
                6.36
             |                                 
            
                34,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2007
             | 
            
                -0.50 / -0.42%
             |             
            
                117.70
             |           
            
                118.10
             |               
            
                117.00
             |                           
            
                118.00
             | 
            
                118.00
             |                     
            
                6.38
             |                                 
            
                44,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2007
             | 
            
                -1.00 / -0.84%
             |             
            
                118.10
             |           
            
                119.00
             |               
            
                117.10
             |                           
            
                118.50
             | 
            
                118.50
             |                     
            
                6.41
             |                                 
            
                18,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2007
             | 
            
                -1.00 / -0.83%
             |             
            
                119.70
             |           
            
                120.90
             |               
            
                119.00
             |                           
            
                119.50
             | 
            
                119.50
             |                     
            
                6.46
             |                                 
            
                16,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2007
             | 
            
                -2.00 / -1.63%
             |             
            
                120.70
             |           
            
                123.00
             |               
            
                120.00
             |                           
            
                120.50
             | 
            
                120.50
             |                     
            
                6.46
             |                                 
            
                22,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2007
             | 
            
                +1.00 / +0.82%
             |             
            
                122.50
             |           
            
                123.50
             |               
            
                122.50
             |                           
            
                122.50
             | 
            
                122.50
             |                     
            
                6.57
             |                                 
            
                68,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2007
             | 
            
                +2.40 / +2.02%
             |             
            
                120.00
             |           
            
                121.50
             |               
            
                120.00
             |                           
            
                121.50
             | 
            
                121.50
             |                     
            
                6.52
             |                                 
            
                44,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2007
             | 
            
                -0.90 / -0.75%
             |             
            
                119.10
             |           
            
                120.00
             |               
            
                119.00
             |                           
            
                119.10
             | 
            
                119.10
             |                     
            
                6.39
             |                                 
            
                26,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2007
             | 
            
                +1.00 / +0.84%
             |             
            
                119.10
             |           
            
                121.00
             |               
            
                118.00
             |                           
            
                120.00
             | 
            
                120.00
             |                     
            
                6.43
             |                                 
            
                26,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2007
             | 
            
                -2.00 / -1.65%
             |             
            
                119.50
             |           
            
                125.00
             |               
            
                118.20
             |                           
            
                119.00
             | 
            
                119.00
             |                     
            
                6.38
             |                                 
            
                21,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/4/2007
             | 
            
                +2.10 / +1.77%
             |             
            
                119.10
             |           
            
                125.00
             |               
            
                119.10
             |                           
            
                121.00
             | 
            
                121.00
             |                     
            
                6.49
             |                                 
            
                90,400
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |