| 
                 
                    Closing price on 4/7/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    66.10 | 
                 
                
                    | High | 
                    66.10 | 
                 
                
                    | Low | 
                    66.10 | 
                     
                
                    | Volume | 
                    1,500 | 
                                 
                
                    | Split-adjusted Price | 
                    3.57 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/7/2008
             | 
            
                +1.90 / +2.96%
             |             
            
                66.10
             |           
            
                66.10
             |               
            
                66.10
             |                           
            
                66.10
             | 
            
                66.10
             |                     
            
                3.57
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2008
             | 
            
                +1.20 / +1.90%
             |             
            
                64.20
             |           
            
                64.20
             |               
            
                64.20
             |                           
            
                64.20
             | 
            
                64.20
             |                     
            
                3.47
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2008
             | 
            
                +1.20 / +1.94%
             |             
            
                63.00
             |           
            
                63.00
             |               
            
                63.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                3.41
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2008
             | 
            
                +1.20 / +1.98%
             |             
            
                61.80
             |           
            
                61.80
             |               
            
                61.80
             |                           
            
                61.80
             | 
            
                61.80
             |                     
            
                3.34
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2008
             | 
            
                +1.10 / +1.85%
             |             
            
                60.60
             |           
            
                60.60
             |               
            
                60.60
             |                           
            
                60.60
             | 
            
                60.60
             |                     
            
                3.28
             |                                 
            
                5,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2008
             | 
            
                +1.10 / +1.88%
             |             
            
                59.50
             |           
            
                59.50
             |               
            
                59.50
             |                           
            
                59.50
             | 
            
                59.50
             |                     
            
                3.22
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2008
             | 
            
                +1.10 / +1.92%
             |             
            
                58.40
             |           
            
                58.40
             |               
            
                58.40
             |                           
            
                58.40
             | 
            
                58.40
             |                     
            
                3.16
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2008
             | 
            
                -0.20 / -0.35%
             |             
            
                57.30
             |           
            
                57.30
             |               
            
                57.30
             |                           
            
                57.30
             | 
            
                57.30
             |                     
            
                3.10
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2008
             | 
            
                +5.30 / +10.15%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                48.10
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                3.11
             |                                 
            
                207,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2008
             | 
            
                -5.00 / -8.74%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                52.20
             |                           
            
                52.20
             | 
            
                52.20
             |                     
            
                2.82
             |                                 
            
                155,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2008
             | 
            
                -6.30 / -9.92%
             |             
            
                63.00
             |           
            
                63.00
             |               
            
                57.00
             |                           
            
                57.20
             | 
            
                57.20
             |                     
            
                3.09
             |                                 
            
                135,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2008
             | 
            
                -2.60 / -3.93%
             |             
            
                66.00
             |           
            
                67.00
             |               
            
                62.00
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                3.43
             |                                 
            
                85,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2008
             | 
            
                -1.70 / -2.51%
             |             
            
                67.00
             |           
            
                70.00
             |               
            
                66.00
             |                           
            
                66.10
             | 
            
                66.10
             |                     
            
                3.57
             |                                 
            
                50,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2008
             | 
            
                +1.80 / +2.73%
             |             
            
                70.00
             |           
            
                70.80
             |               
            
                66.10
             |                           
            
                67.80
             | 
            
                67.80
             |                     
            
                3.67
             |                                 
            
                170,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2008
             | 
            
                -6.50 / -8.97%
             |             
            
                66.00
             |           
            
                70.00
             |               
            
                65.70
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                3.57
             |                                 
            
                208,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2008
             | 
            
                -5.30 / -6.81%
             |             
            
                75.00
             |           
            
                75.00
             |               
            
                71.50
             |                           
            
                72.50
             | 
            
                72.50
             |                     
            
                3.92
             |                                 
            
                136,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2008
             | 
            
                -0.20 / -0.26%
             |             
            
                78.00
             |           
            
                78.00
             |               
            
                74.00
             |                           
            
                77.80
             | 
            
                77.80
             |                     
            
                4.21
             |                                 
            
                77,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2008
             | 
            
                +1.10 / +1.43%
             |             
            
                77.00
             |           
            
                80.50
             |               
            
                76.50
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                4.22
             |                                 
            
                126,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2008
             | 
            
                +2.10 / +2.81%
             |             
            
                75.50
             |           
            
                79.00
             |               
            
                70.00
             |                           
            
                76.90
             | 
            
                76.90
             |                     
            
                4.16
             |                                 
            
                192,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2008
             | 
            
                -5.20 / -6.50%
             |             
            
                81.50
             |           
            
                81.50
             |               
            
                73.80
             |                           
            
                74.80
             | 
            
                74.80
             |                     
            
                4.04
             |                                 
            
                107,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2008
             | 
            
                +4.40 / +5.82%
             |             
            
                83.10
             |           
            
                83.10
             |               
            
                76.00
             |                           
            
                80.00
             | 
            
                80.00
             |                     
            
                4.33
             |                                 
            
                288,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2008
             | 
            
                +6.80 / +9.88%
             |             
            
                75.60
             |           
            
                75.60
             |               
            
                75.60
             |                           
            
                75.60
             | 
            
                75.60
             |                     
            
                4.09
             |                                 
            
                16,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2008
             | 
            
                +1.80 / +2.69%
             |             
            
                68.80
             |           
            
                68.80
             |               
            
                68.80
             |                           
            
                68.80
             | 
            
                68.80
             |                     
            
                3.72
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2008
             | 
            
                -0.90 / -1.33%
             |             
            
                61.50
             |           
            
                70.00
             |               
            
                61.20
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                3.62
             |                                 
            
                129,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2008
             | 
            
                -7.10 / -9.47%
             |             
            
                70.20
             |           
            
                70.20
             |               
            
                67.90
             |                           
            
                67.90
             | 
            
                67.90
             |                     
            
                3.67
             |                                 
            
                85,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2008
             | 
            
                -5.20 / -6.48%
             |             
            
                79.80
             |           
            
                79.80
             |               
            
                71.60
             |                           
            
                75.00
             | 
            
                75.00
             |                     
            
                4.06
             |                                 
            
                83,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/29/2008
             | 
            
                -1.50 / -1.84%
             |             
            
                80.00
             |           
            
                80.20
             |               
            
                78.20
             |                           
            
                80.20
             | 
            
                80.20
             |                     
            
                4.34
             |                                 
            
                53,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2008
             | 
            
                +1.20 / +1.49%
             |             
            
                80.00
             |           
            
                90.00
             |               
            
                80.00
             |                           
            
                81.70
             | 
            
                81.70
             |                     
            
                4.42
             |                                 
            
                74,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2008
             | 
            
                0.00 / 0.00%
             |             
            
                77.00
             |           
            
                84.50
             |               
            
                77.00
             |                           
            
                80.50
             | 
            
                80.50
             |                     
            
                4.35
             |                                 
            
                75,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2008
             | 
            
                -5.60 / -6.50%
             |             
            
                90.00
             |           
            
                90.00
             |               
            
                78.10
             |                           
            
                80.50
             | 
            
                80.50
             |                     
            
                4.35
             |                                 
            
                72,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |