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            | 
                    Closing price on 1/4/2011
                 |  |  
    
        |           
                
                    | Open | 17.00 |  
                    | High | 17.00 |  
                    | Low | 16.80 |  
                    | Volume | 22,870 |  
                    | Split-adjusted Price | 12.92 |  
                
             | 
 |  TTF Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/4/2011 | -0.70 / -4.00% | 17.00 | 17.00 | 16.80 | 16.80 | 16.80 | 12.92 | 22,870 |   |  
            | 12/31/2010 | 0.00 / 0.00% | 17.00 | 17.50 | 16.80 | 17.50 | 17.50 | 13.46 | 295,540 |   |  			
            | 12/30/2010 | +0.10 / +0.57% | 17.60 | 17.60 | 16.90 | 17.50 | 17.50 | 13.46 | 323,330 |   |  
            | 12/29/2010 | +0.60 / +3.57% | 16.80 | 17.40 | 16.60 | 17.40 | 17.40 | 13.38 | 121,200 |   |  			
            | 12/28/2010 | +0.50 / +3.07% | 16.40 | 16.80 | 16.30 | 16.80 | 16.80 | 12.92 | 103,260 |   |  
            | 12/27/2010 | +0.20 / +1.24% | 16.00 | 16.30 | 16.00 | 16.30 | 16.30 | 12.54 | 29,580 |   |  			
            | 12/24/2010 | 0.00 / 0.00% | 16.10 | 16.70 | 16.10 | 16.10 | 16.10 | 12.38 | 148,530 |   |  
            | 12/23/2010 | -0.20 / -1.23% | 16.80 | 16.80 | 15.90 | 16.10 | 16.10 | 12.38 | 30,130 |   |  			
            | 12/22/2010 | -0.70 / -4.12% | 16.50 | 16.60 | 16.30 | 16.30 | 16.30 | 12.54 | 60,170 |   |  
            | 12/21/2010 | +0.40 / +2.41% | 16.20 | 17.00 | 16.00 | 17.00 | 17.00 | 13.08 | 66,290 |   |  			
            | 12/20/2010 | -0.20 / -1.19% | 17.00 | 17.20 | 16.60 | 16.60 | 16.60 | 12.77 | 67,650 |   |  
            | 12/17/2010 | +0.50 / +3.07% | 16.30 | 16.90 | 16.30 | 16.80 | 16.80 | 12.92 | 27,140 |   |  			
            | 12/16/2010 | -0.60 / -3.55% | 16.20 | 16.80 | 16.20 | 16.30 | 16.30 | 12.54 | 35,890 |   |  
            | 12/15/2010 | -0.80 / -4.52% | 17.70 | 18.00 | 16.90 | 16.90 | 16.90 | 13.00 | 104,430 |   |  			
            | 12/14/2010 | -0.90 / -4.84% | 18.00 | 18.80 | 17.70 | 17.70 | 17.70 | 13.61 | 89,660 |   |  
            | 12/13/2010 | +0.80 / +4.49% | 18.50 | 18.60 | 18.20 | 18.60 | 18.60 | 14.31 | 373,910 |   |  			
            | 12/10/2010 | +0.80 / +4.71% | 17.50 | 17.80 | 17.20 | 17.80 | 17.80 | 13.69 | 73,940 |   |  
            | 12/9/2010 | +0.20 / +1.19% | 16.90 | 17.40 | 16.50 | 17.00 | 17.00 | 13.08 | 45,290 |   |  			
            | 12/8/2010 | -0.80 / -4.55% | 17.60 | 17.60 | 16.80 | 16.80 | 16.80 | 12.92 | 99,960 |   |  
            | 12/7/2010 | -0.40 / -2.22% | 18.00 | 18.50 | 17.50 | 17.60 | 17.60 | 13.54 | 141,610 |   |  			
            | 12/6/2010 | +0.80 / +4.65% | 18.00 | 18.00 | 17.50 | 18.00 | 18.00 | 13.84 | 282,950 |   |  
            | 12/3/2010 | +0.80 / +4.88% | 17.20 | 17.20 | 17.20 | 17.20 | 17.20 | 13.23 | 64,710 |   |  			
            | 12/2/2010 | +0.70 / +4.46% | 15.50 | 16.40 | 15.50 | 16.40 | 16.40 | 12.61 | 93,640 |   |  
            | 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 |   |  |