| 
                 
                    Closing price on 12/23/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    84.30 | 
                 
                
                    | High | 
                    88.00 | 
                 
                
                    | Low | 
                    84.20 | 
                     
                
                    | Volume | 
                    19,000 | 
                                 
                
                    | Split-adjusted Price | 
                    5.44 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/23/2010
             | 
            
                -1.10 / -1.25%
             |             
            
                84.30
             |           
            
                88.00
             |               
            
                84.20
             |                           
            
                86.90
             | 
            
                86.90
             |                     
            
                5.44
             |                                 
            
                19,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2010
             | 
            
                +1.00 / +1.15%
             |             
            
                87.50
             |           
            
                89.00
             |               
            
                84.00
             |                           
            
                88.00
             | 
            
                88.00
             |                     
            
                5.51
             |                                 
            
                3,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2010
             | 
            
                0.00 / 0.00%
             |             
            
                83.40
             |           
            
                87.00
             |               
            
                83.40
             |                           
            
                87.00
             | 
            
                87.00
             |                     
            
                5.45
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/20/2010
             | 
            
                +1.00 / +1.16%
             |             
            
                85.00
             |           
            
                87.00
             |               
            
                85.00
             |                           
            
                87.00
             | 
            
                87.00
             |                     
            
                5.45
             |                                 
            
                8,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2010
             | 
            
                +2.00 / +2.38%
             |             
            
                86.90
             |           
            
                86.90
             |               
            
                84.00
             |                           
            
                86.00
             | 
            
                86.00
             |                     
            
                5.38
             |                                 
            
                6,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2010
             | 
            
                -2.50 / -2.89%
             |             
            
                84.50
             |           
            
                84.50
             |               
            
                84.00
             |                           
            
                84.00
             | 
            
                84.00
             |                     
            
                5.26
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2010
             | 
            
                +0.50 / +0.58%
             |             
            
                89.80
             |           
            
                89.80
             |               
            
                86.50
             |                           
            
                86.50
             | 
            
                86.50
             |                     
            
                5.42
             |                                 
            
                51,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2010
             | 
            
                -3.20 / -3.59%
             |             
            
                86.60
             |           
            
                86.60
             |               
            
                86.00
             |                           
            
                86.00
             | 
            
                86.00
             |                     
            
                5.38
             |                                 
            
                13,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2010
             | 
            
                +4.20 / +4.94%
             |             
            
                85.00
             |           
            
                89.40
             |               
            
                85.00
             |                           
            
                89.20
             | 
            
                89.20
             |                     
            
                5.59
             |                                 
            
                44,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2010
             | 
            
                +2.40 / +2.91%
             |             
            
                82.60
             |           
            
                85.00
             |               
            
                82.50
             |                           
            
                85.00
             | 
            
                85.00
             |                     
            
                5.32
             |                                 
            
                8,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2010
             | 
            
                +0.60 / +0.73%
             |             
            
                82.00
             |           
            
                82.60
             |               
            
                81.60
             |                           
            
                82.60
             | 
            
                82.60
             |                     
            
                5.17
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2010
             | 
            
                -1.20 / -1.44%
             |             
            
                83.30
             |           
            
                83.30
             |               
            
                82.00
             |                           
            
                82.00
             | 
            
                82.00
             |                     
            
                5.13
             |                                 
            
                8,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2010
             | 
            
                -0.80 / -0.95%
             |             
            
                83.50
             |           
            
                84.00
             |               
            
                83.10
             |                           
            
                83.20
             | 
            
                83.20
             |                     
            
                5.21
             |                                 
            
                18,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2010
             | 
            
                -1.00 / -1.18%
             |             
            
                84.00
             |           
            
                84.00
             |               
            
                84.00
             |                           
            
                84.00
             | 
            
                84.00
             |                     
            
                5.26
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2010
             | 
            
                -1.00 / -1.16%
             |             
            
                83.20
             |           
            
                85.00
             |               
            
                83.20
             |                           
            
                85.00
             | 
            
                85.00
             |                     
            
                5.32
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2010
             | 
            
                +3.40 / +4.12%
             |             
            
                82.20
             |           
            
                86.00
             |               
            
                82.00
             |                           
            
                86.00
             | 
            
                86.00
             |                     
            
                5.38
             |                                 
            
                9,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2010
             | 
            
                -2.40 / -2.82%
             |             
            
                84.70
             |           
            
                84.70
             |               
            
                82.60
             |                           
            
                82.60
             | 
            
                82.60
             |                     
            
                5.17
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2010
             | 
            
                +1.00 / +1.19%
             |             
            
                87.00
             |           
            
                87.00
             |               
            
                85.00
             |                           
            
                85.00
             | 
            
                85.00
             |                     
            
                5.32
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2010
             | 
            
                -1.00 / -1.18%
             |             
            
                86.00
             |           
            
                86.00
             |               
            
                80.10
             |                           
            
                84.00
             | 
            
                84.00
             |                     
            
                5.26
             |                                 
            
                6,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2010
             | 
            
                +0.40 / +0.47%
             |             
            
                85.10
             |           
            
                85.10
             |               
            
                79.00
             |                           
            
                85.00
             | 
            
                85.00
             |                     
            
                5.32
             |                                 
            
                13,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2010
             | 
            
                +2.10 / +2.55%
             |             
            
                84.00
             |           
            
                84.60
             |               
            
                83.00
             |                           
            
                84.60
             | 
            
                84.60
             |                     
            
                5.30
             |                                 
            
                13,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2010
             | 
            
                +0.20 / +0.24%
             |             
            
                82.00
             |           
            
                82.50
             |               
            
                80.00
             |                           
            
                82.50
             | 
            
                82.50
             |                     
            
                5.17
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2010
             | 
            
                -0.10 / -0.12%
             |             
            
                82.30
             |           
            
                82.30
             |               
            
                82.30
             |                           
            
                82.30
             | 
            
                82.30
             |                     
            
                5.15
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2010
             | 
            
                -0.30 / -0.36%
             |             
            
                82.00
             |           
            
                82.50
             |               
            
                82.00
             |                           
            
                82.40
             | 
            
                82.40
             |                     
            
                5.16
             |                                 
            
                3,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2010
             | 
            
                +0.10 / +0.12%
             |             
            
                82.70
             |           
            
                82.70
             |               
            
                82.00
             |                           
            
                82.70
             | 
            
                82.70
             |                     
            
                5.18
             |                                 
            
                10,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2010
             | 
            
                +0.20 / +0.24%
             |             
            
                81.00
             |           
            
                83.00
             |               
            
                81.00
             |                           
            
                82.60
             | 
            
                82.60
             |                     
            
                5.17
             |                                 
            
                15,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2010
             | 
            
                +1.50 / +1.85%
             |             
            
                82.40
             |           
            
                82.40
             |               
            
                82.40
             |                           
            
                82.40
             | 
            
                82.40
             |                     
            
                5.16
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2010
             | 
            
                -0.10 / -0.12%
             |             
            
                80.00
             |           
            
                80.90
             |               
            
                80.00
             |                           
            
                80.90
             | 
            
                80.90
             |                     
            
                5.07
             |                                 
            
                21,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2010
             | 
            
                -0.30 / -0.37%
             |             
            
                82.00
             |           
            
                82.00
             |               
            
                80.90
             |                           
            
                81.00
             | 
            
                81.00
             |                     
            
                5.07
             |                                 
            
                39,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2010
             | 
            
                0.00 / 0.00%
             |             
            
                81.30
             |           
            
                81.30
             |               
            
                80.20
             |                           
            
                81.30
             | 
            
                81.30
             |                     
            
                5.09
             |                                 
            
                23,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |