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                    Closing price on 3/1/2011
                 |  |  
    
        |           
                
                    | Open | 12.70 |  
                    | High | 13.10 |  
                    | Low | 12.60 |  
                    | Volume | 96,490 |  
                    | Split-adjusted Price | 10.08 |  
                
             | 
 |  TTF Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/1/2011 | +0.60 / +4.80% | 12.70 | 13.10 | 12.60 | 13.10 | 13.10 | 10.08 | 96,490 |   |  
            | 2/28/2011 | 0.00 / 0.00% | 12.50 | 12.60 | 12.40 | 12.50 | 12.50 | 9.61 | 99,290 |   |  			
            | 2/25/2011 | +0.30 / +2.46% | 12.30 | 12.60 | 12.10 | 12.50 | 12.50 | 9.61 | 148,580 |   |  
            | 2/24/2011 | -0.30 / -2.40% | 12.50 | 12.60 | 11.90 | 12.20 | 12.20 | 9.38 | 103,990 |   |  			
            | 2/23/2011 | -0.30 / -2.34% | 12.60 | 13.10 | 12.30 | 12.50 | 12.50 | 9.61 | 109,100 |   |  
            | 2/22/2011 | -0.50 / -3.76% | 13.00 | 13.10 | 12.80 | 12.80 | 12.80 | 9.85 | 26,000 |   |  			
            | 2/21/2011 | -0.70 / -5.00% | 13.50 | 13.50 | 13.30 | 13.30 | 13.30 | 10.23 | 147,690 |   |  
            | 2/18/2011 | -0.70 / -4.76% | 14.30 | 14.70 | 14.00 | 14.00 | 14.00 | 10.77 | 35,760 |   |  			
            | 2/17/2011 | -0.50 / -3.29% | 15.00 | 15.00 | 14.70 | 14.70 | 14.70 | 11.31 | 32,770 |   |  
            | 2/16/2011 | 0.00 / 0.00% | 15.20 | 15.20 | 15.20 | 15.20 | 15.20 | 11.69 | 210 |   |  			
            | 2/15/2011 | +0.10 / +0.66% | 15.20 | 15.20 | 14.90 | 15.20 | 15.20 | 11.69 | 24,300 |   |  
            | 2/14/2011 | -0.20 / -1.31% | 15.50 | 15.50 | 15.00 | 15.10 | 15.10 | 11.61 | 47,370 |   |  			
            | 2/11/2011 | -0.20 / -1.29% | 15.40 | 15.40 | 15.30 | 15.30 | 15.30 | 11.77 | 7,290 |   |  
            | 2/10/2011 | +0.30 / +1.97% | 15.50 | 15.60 | 15.50 | 15.50 | 15.50 | 11.92 | 9,150 |   |  			
            | 2/9/2011 | +0.10 / +0.66% | 15.30 | 15.60 | 15.10 | 15.20 | 15.20 | 11.69 | 42,460 |   |  
            | 2/8/2011 | -0.20 / -1.31% | 15.30 | 15.40 | 15.10 | 15.10 | 15.10 | 11.61 | 16,240 |   |  			
            | 1/28/2011 | +0.20 / +1.32% | 15.70 | 15.70 | 15.20 | 15.30 | 15.30 | 11.77 | 1,930 |   |  
            | 1/27/2011 | -0.20 / -1.31% | 15.40 | 15.70 | 15.10 | 15.10 | 15.10 | 11.61 | 10,050 |   |  			
            | 1/26/2011 | +0.50 / +3.38% | 14.80 | 15.40 | 14.60 | 15.30 | 15.30 | 11.77 | 44,680 |   |  
            | 1/25/2011 | -0.70 / -4.52% | 15.80 | 15.80 | 14.80 | 14.80 | 14.80 | 11.38 | 83,480 |   |  			
            | 1/24/2011 | 0.00 / 0.00% | 15.90 | 15.90 | 15.50 | 15.50 | 15.50 | 11.92 | 7,840 |   |  
            | 1/21/2011 | -0.40 / -2.52% | 15.90 | 15.90 | 15.50 | 15.50 | 15.50 | 11.92 | 9,070 |   |  			
            | 1/20/2011 | 0.00 / 0.00% | 15.90 | 16.10 | 15.90 | 15.90 | 15.90 | 12.23 | 161,500 |   |  
            | 1/19/2011 | +0.10 / +0.63% | 15.30 | 16.00 | 15.30 | 15.90 | 15.90 | 12.23 | 15,170 |   |  			
            | 1/18/2011 | -0.20 / -1.25% | 16.00 | 16.00 | 15.80 | 15.80 | 15.80 | 12.15 | 21,790 |   |  
            | 1/17/2011 | +0.50 / +3.23% | 15.20 | 16.00 | 15.20 | 16.00 | 16.00 | 12.31 | 52,820 |   |  			
            | 1/14/2011 | 0.00 / 0.00% | 16.00 | 16.00 | 15.50 | 15.50 | 15.50 | 11.92 | 3,770 |   |  
            | 1/13/2011 | -0.10 / -0.64% | 16.00 | 16.00 | 15.50 | 15.50 | 15.50 | 11.92 | 40,060 |   |  			
            | 1/12/2011 | +0.50 / +3.31% | 15.60 | 15.70 | 15.20 | 15.60 | 15.60 | 12.00 | 15,010 |   |  
            | 1/11/2011 | -0.40 / -2.58% | 15.30 | 15.50 | 15.10 | 15.10 | 15.10 | 11.61 | 11,180 |   |  |