| 
                 
                    Closing price on 12/1/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.50 | 
                 
                
                    | High | 
                    16.00 | 
                 
                
                    | Low | 
                    15.50 | 
                     
                
                    | Volume | 
                    27,720 | 
                                 
                
                    | Split-adjusted Price | 
                    12.08 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
TTF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                16.00
             |               
            
                15.50
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                12.08
             |                                 
            
                27,720
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2010
             | 
            
                +0.50 / +3.29%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.60
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                12.08
             |                                 
            
                85,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2010
             | 
            
                0.00 / 0.00%
             |             
            
                15.30
             |           
            
                15.30
             |               
            
                15.00
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                11.69
             |                                 
            
                16,010
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                15.30
             |           
            
                15.40
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                11.69
             |                                 
            
                16,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2010
             | 
            
                +0.30 / +2.01%
             |             
            
                14.80
             |           
            
                15.60
             |               
            
                14.80
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                11.69
             |                                 
            
                43,790
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2010
             | 
            
                -0.20 / -1.32%
             |             
            
                15.00
             |           
            
                15.20
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                11.46
             |                                 
            
                31,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2010
             | 
            
                0.00 / 0.00%
             |             
            
                15.10
             |           
            
                15.20
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                11.61
             |                                 
            
                21,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2010
             | 
            
                -0.50 / -3.21%
             |             
            
                15.60
             |           
            
                15.60
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                11.61
             |                                 
            
                48,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2010
             | 
            
                0.00 / 0.00%
             |             
            
                15.40
             |           
            
                15.70
             |               
            
                15.10
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                12.00
             |                                 
            
                37,930
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2010
             | 
            
                0.00 / 0.00%
             |             
            
                15.20
             |           
            
                15.70
             |               
            
                15.20
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                12.00
             |                                 
            
                19,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2010
             | 
            
                0.00 / 0.00%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.00
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                12.00
             |                                 
            
                14,560
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2010
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.60
             |               
            
                15.00
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                12.00
             |                                 
            
                32,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2010
             | 
            
                -0.20 / -1.27%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.20
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                12.00
             |                                 
            
                57,410
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2010
             | 
            
                -0.20 / -1.25%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                15.20
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                12.15
             |                                 
            
                80,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2010
             | 
            
                -0.70 / -4.19%
             |             
            
                16.20
             |           
            
                16.50
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                12.31
             |                                 
            
                64,950
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2010
             | 
            
                0.00 / 0.00%
             |             
            
                16.80
             |           
            
                16.80
             |               
            
                16.40
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                12.84
             |                                 
            
                36,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2010
             | 
            
                -0.10 / -0.60%
             |             
            
                16.60
             |           
            
                16.90
             |               
            
                16.60
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                12.84
             |                                 
            
                56,040
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2010
             | 
            
                -0.10 / -0.59%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                16.60
             |                           
            
                16.80
             | 
            
                16.80
             |                     
            
                12.92
             |                                 
            
                79,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2010
             | 
            
                +0.70 / +4.32%
             |             
            
                16.20
             |           
            
                17.00
             |               
            
                16.20
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                13.00
             |                                 
            
                52,470
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2010
             | 
            
                0.00 / 0.00%
             |             
            
                16.30
             |           
            
                16.40
             |               
            
                16.10
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                12.46
             |                                 
            
                27,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2010
             | 
            
                -0.10 / -0.61%
             |             
            
                15.80
             |           
            
                16.30
             |               
            
                15.80
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                12.46
             |                                 
            
                40,690
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2010
             | 
            
                0.00 / 0.00%
             |             
            
                16.40
             |           
            
                16.40
             |               
            
                16.00
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                12.54
             |                                 
            
                31,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2010
             | 
            
                +0.30 / +1.88%
             |             
            
                16.00
             |           
            
                16.40
             |               
            
                15.90
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                12.54
             |                                 
            
                69,530
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2010
             | 
            
                -0.10 / -0.62%
             |             
            
                16.40
             |           
            
                16.40
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                12.31
             |                                 
            
                46,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2010
             | 
            
                -0.20 / -1.23%
             |             
            
                16.40
             |           
            
                16.40
             |               
            
                16.10
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                12.38
             |                                 
            
                26,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2010
             | 
            
                -0.10 / -0.61%
             |             
            
                16.70
             |           
            
                16.70
             |               
            
                16.00
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                12.54
             |                                 
            
                16,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2010
             | 
            
                +0.40 / +2.50%
             |             
            
                16.20
             |           
            
                16.70
             |               
            
                16.20
             |                           
            
                16.40
             | 
            
                16.40
             |                     
            
                12.61
             |                                 
            
                24,770
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2010
             | 
            
                +0.40 / +2.56%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                15.90
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                12.31
             |                                 
            
                8,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2010
             | 
            
                -0.20 / -1.27%
             |             
            
                16.30
             |           
            
                16.30
             |               
            
                15.10
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                12.00
             |                                 
            
                39,920
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2010
             | 
            
                -0.20 / -1.25%
             |             
            
                15.30
             |           
            
                16.50
             |               
            
                15.20
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                12.15
             |                                 
            
                109,460
             |  
            
                 
             |                                                              
             
    
         
    
    
 |