| 
                 
                    Closing price on 3/6/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    291.50 | 
                 
                
                    | High | 
                    295.00 | 
                 
                
                    | Low | 
                    285.00 | 
                     
                
                    | Volume | 
                    67,000 | 
                                 
                
                    | Split-adjusted Price | 
                    10.34 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/6/2007
             | 
            
                -2.00 / -0.68%
             |             
            
                291.50
             |           
            
                295.00
             |               
            
                285.00
             |                           
            
                290.00
             | 
            
                290.00
             |                     
            
                10.34
             |                                 
            
                67,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2007
             | 
            
                -5.00 / -1.68%
             |             
            
                291.50
             |           
            
                305.00
             |               
            
                290.00
             |                           
            
                292.00
             | 
            
                292.00
             |                     
            
                10.41
             |                                 
            
                60,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2007
             | 
            
                +3.00 / +1.02%
             |             
            
                293.50
             |           
            
                300.00
             |               
            
                290.00
             |                           
            
                297.00
             | 
            
                297.00
             |                     
            
                10.59
             |                                 
            
                40,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2007
             | 
            
                -19.00 / -6.07%
             |             
            
                293.50
             |           
            
                305.00
             |               
            
                290.00
             |                           
            
                294.00
             | 
            
                294.00
             |                     
            
                10.49
             |                                 
            
                38,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2007
             | 
            
                -7.00 / -2.19%
             |             
            
                312.00
             |           
            
                334.00
             |               
            
                295.00
             |                           
            
                313.00
             | 
            
                313.00
             |                     
            
                11.16
             |                                 
            
                30,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2007
             | 
            
                +15.70 / +5.16%
             |             
            
                305.00
             |           
            
                334.60
             |               
            
                305.00
             |                           
            
                320.00
             | 
            
                320.00
             |                     
            
                11.41
             |                                 
            
                76,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2007
             | 
            
                +27.60 / +9.97%
             |             
            
                299.00
             |           
            
                304.30
             |               
            
                299.00
             |                           
            
                304.30
             | 
            
                304.30
             |                     
            
                10.85
             |                                 
            
                82,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2007
             | 
            
                +24.70 / +9.80%
             |             
            
                276.00
             |           
            
                276.70
             |               
            
                276.00
             |                           
            
                276.70
             | 
            
                276.70
             |                     
            
                9.87
             |                                 
            
                55,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2007
             | 
            
                +4.00 / +1.61%
             |             
            
                244.50
             |           
            
                255.00
             |               
            
                242.00
             |                           
            
                252.00
             | 
            
                252.00
             |                     
            
                8.99
             |                                 
            
                18,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2007
             | 
            
                +4.00 / +1.64%
             |             
            
                240.00
             |           
            
                255.00
             |               
            
                240.00
             |                           
            
                248.00
             | 
            
                248.00
             |                     
            
                8.85
             |                                 
            
                37,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2007
             | 
            
                +19.00 / +8.44%
             |             
            
                227.00
             |           
            
                248.00
             |               
            
                227.00
             |                           
            
                244.00
             | 
            
                244.00
             |                     
            
                8.70
             |                                 
            
                58,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2007
             | 
            
                +5.00 / +2.27%
             |             
            
                223.90
             |           
            
                226.10
             |               
            
                222.10
             |                           
            
                225.00
             | 
            
                225.00
             |                     
            
                8.03
             |                                 
            
                112,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2007
             | 
            
                -4.50 / -2.00%
             |             
            
                223.90
             |           
            
                235.00
             |               
            
                220.00
             |                           
            
                220.00
             | 
            
                220.00
             |                     
            
                7.85
             |                                 
            
                28,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2007
             | 
            
                +1.50 / +0.67%
             |             
            
                224.20
             |           
            
                225.00
             |               
            
                222.00
             |                           
            
                224.50
             | 
            
                224.50
             |                     
            
                8.01
             |                                 
            
                34,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2007
             | 
            
                -2.00 / -0.89%
             |             
            
                224.40
             |           
            
                226.00
             |               
            
                223.00
             |                           
            
                223.00
             | 
            
                223.00
             |                     
            
                7.95
             |                                 
            
                29,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2007
             | 
            
                -4.00 / -1.75%
             |             
            
                225.20
             |           
            
                228.00
             |               
            
                219.00
             |                           
            
                225.00
             | 
            
                225.00
             |                     
            
                8.03
             |                                 
            
                26,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2007
             | 
            
                -5.70 / -2.43%
             |             
            
                225.20
             |           
            
                230.00
             |               
            
                220.00
             |                           
            
                229.00
             | 
            
                229.00
             |                     
            
                8.17
             |                                 
            
                6,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2007
             | 
            
                -2.30 / -0.97%
             |             
            
                235.80
             |           
            
                248.00
             |               
            
                230.00
             |                           
            
                234.70
             | 
            
                234.70
             |                     
            
                8.37
             |                                 
            
                21,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2007
             | 
            
                +11.00 / +4.87%
             |             
            
                230.00
             |           
            
                240.00
             |               
            
                230.00
             |                           
            
                237.00
             | 
            
                237.00
             |                     
            
                8.45
             |                                 
            
                59,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2007
             | 
            
                +9.10 / +4.20%
             |             
            
                215.10
             |           
            
                233.00
             |               
            
                215.10
             |                           
            
                226.00
             | 
            
                226.00
             |                     
            
                8.06
             |                                 
            
                20,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2007
             | 
            
                +9.90 / +4.78%
             |             
            
                209.00
             |           
            
                216.90
             |               
            
                209.00
             |                           
            
                216.90
             | 
            
                216.90
             |                     
            
                7.74
             |                                 
            
                10,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2007
             | 
            
                -4.00 / -1.90%
             |             
            
                204.90
             |           
            
                207.00
             |               
            
                201.50
             |                           
            
                207.00
             | 
            
                207.00
             |                     
            
                7.38
             |                                 
            
                23,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2007
             | 
            
                +7.00 / +3.43%
             |             
            
                205.40
             |           
            
                211.00
             |               
            
                199.00
             |                           
            
                211.00
             | 
            
                211.00
             |                     
            
                7.53
             |                                 
            
                84,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2007
             | 
            
                -3.00 / -1.45%
             |             
            
                205.40
             |           
            
                208.00
             |               
            
                204.00
             |                           
            
                204.00
             | 
            
                204.00
             |                     
            
                7.28
             |                                 
            
                21,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2007
             | 
            
                -2.90 / -1.38%
             |             
            
                205.00
             |           
            
                220.00
             |               
            
                205.00
             |                           
            
                207.00
             | 
            
                207.00
             |                     
            
                7.38
             |                                 
            
                18,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2007
             | 
            
                -5.30 / -2.46%
             |             
            
                204.30
             |           
            
                218.00
             |               
            
                198.00
             |                           
            
                209.90
             | 
            
                209.90
             |                     
            
                7.49
             |                                 
            
                47,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2007
             | 
            
                +10.20 / +4.98%
             |             
            
                200.00
             |           
            
                215.20
             |               
            
                200.00
             |                           
            
                215.20
             | 
            
                215.20
             |                     
            
                7.68
             |                                 
            
                70,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2007
             | 
            
                -2.80 / -1.35%
             |             
            
                195.70
             |           
            
                205.00
             |               
            
                187.10
             |                           
            
                205.00
             | 
            
                205.00
             |                     
            
                7.31
             |                                 
            
                114,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2007
             | 
            
                -18.20 / -8.05%
             |             
            
                207.80
             |           
            
                210.00
             |               
            
                207.80
             |                           
            
                207.80
             | 
            
                207.80
             |                     
            
                7.41
             |                                 
            
                26,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2007
             | 
            
                +1.00 / +0.44%
             |             
            
                226.10
             |           
            
                248.50
             |               
            
                219.00
             |                           
            
                226.00
             | 
            
                226.00
             |                     
            
                8.06
             |                                 
            
                63,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |