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                    Closing price on 8/12/2010
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        |           
                
                    | Open | 21.00 |  
                    | High | 21.50 |  
                    | Low | 20.70 |  
                    | Volume | 39,190 |  
                    | Split-adjusted Price | 16.00 |  
                
             | 
 |  TTF Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/12/2010 | -0.90 / -4.15% | 21.00 | 21.50 | 20.70 | 20.80 | 20.80 | 16.00 | 39,190 |   |  
            | 8/11/2010 | 0.00 / 0.00% | 21.50 | 21.80 | 21.50 | 21.70 | 21.70 | 16.69 | 41,170 |   |  			
            | 8/10/2010 | -0.40 / -1.81% | 21.50 | 22.10 | 21.00 | 21.70 | 21.70 | 16.69 | 71,140 |   |  
            | 8/9/2010 | -0.50 / -2.21% | 22.60 | 22.60 | 22.00 | 22.10 | 22.10 | 17.00 | 41,180 |   |  			
            | 8/6/2010 | -0.40 / -1.74% | 23.20 | 23.20 | 22.50 | 22.60 | 22.60 | 17.38 | 14,610 |   |  
            | 8/5/2010 | 0.00 / 0.00% | 23.30 | 23.50 | 23.00 | 23.00 | 23.00 | 17.69 | 42,840 |   |  			
            | 8/4/2010 | -0.30 / -1.29% | 23.00 | 23.20 | 23.00 | 23.00 | 23.00 | 17.69 | 39,380 |   |  
            | 8/3/2010 | +0.30 / +1.30% | 23.00 | 23.60 | 23.00 | 23.30 | 23.30 | 17.92 | 65,660 |   |  			
            | 8/2/2010 | +0.40 / +1.77% | 23.00 | 23.30 | 22.60 | 23.00 | 23.00 | 17.69 | 50,480 |   |  
            | 7/30/2010 | 0.00 / 0.00% | 23.00 | 23.00 | 22.30 | 22.60 | 22.60 | 17.38 | 110,880 |   |  			
            | 7/29/2010 | -0.30 / -1.31% | 22.50 | 22.70 | 22.50 | 22.60 | 22.60 | 17.38 | 44,020 |   |  
            | 7/28/2010 | -0.60 / -2.55% | 23.80 | 24.10 | 22.90 | 22.90 | 22.90 | 17.61 | 75,270 |   |  			
            | 7/27/2010 | +0.30 / +1.29% | 23.70 | 23.70 | 23.00 | 23.50 | 23.50 | 18.07 | 36,040 |   |  
            | 7/26/2010 | -0.40 / -1.69% | 24.20 | 24.20 | 23.20 | 23.20 | 23.20 | 17.84 | 55,230 |   |  			
            | 7/23/2010 | +0.50 / +2.16% | 23.70 | 23.70 | 23.40 | 23.60 | 23.60 | 18.15 | 39,520 |   |  
            | 7/22/2010 | -1.10 / -4.55% | 23.90 | 24.50 | 23.10 | 23.10 | 23.10 | 17.77 | 169,140 |   |  			
            | 7/21/2010 | 0.00 / 0.00% | 24.40 | 24.40 | 24.00 | 24.20 | 24.20 | 18.61 | 58,390 |   |  
            | 7/20/2010 | 0.00 / 0.00% | 24.20 | 24.40 | 24.00 | 24.20 | 24.20 | 18.61 | 78,070 |   |  			
            | 7/19/2010 | -0.40 / -1.63% | 24.60 | 24.70 | 24.20 | 24.20 | 24.20 | 18.61 | 73,280 |   |  
            | 7/16/2010 | +0.30 / +1.23% | 24.40 | 24.80 | 24.40 | 24.60 | 24.60 | 18.92 | 83,050 |   |  			
            | 7/15/2010 | -0.10 / -0.41% | 24.50 | 24.90 | 24.00 | 24.30 | 24.30 | 18.69 | 59,550 |   |  
            | 7/14/2010 | -0.10 / -0.41% | 23.90 | 24.90 | 23.90 | 24.40 | 24.40 | 18.77 | 37,800 |   |  			
            | 7/13/2010 | +1.10 / +4.70% | 24.00 | 24.50 | 23.60 | 24.50 | 24.50 | 18.84 | 88,500 |   |  
            | 7/12/2010 | +0.10 / +0.43% | 23.90 | 23.90 | 23.30 | 23.40 | 23.40 | 18.00 | 41,780 |   |  			
            | 7/9/2010 | -0.50 / -2.10% | 23.80 | 24.00 | 23.20 | 23.30 | 23.30 | 17.92 | 105,260 |   |  
            | 7/8/2010 | -0.20 / -0.83% | 24.00 | 24.50 | 23.80 | 23.80 | 23.80 | 18.31 | 34,400 |   |  			
            | 7/7/2010 | -0.20 / -0.83% | 24.30 | 24.30 | 24.00 | 24.00 | 24.00 | 18.46 | 108,780 |   |  
            | 7/6/2010 | -0.80 / -3.20% | 24.60 | 24.90 | 24.20 | 24.20 | 24.20 | 18.61 | 53,840 |   |  			
            | 7/5/2010 | +0.30 / +1.21% | 24.60 | 25.00 | 24.40 | 25.00 | 25.00 | 19.23 | 145,860 |   |  
            | 7/2/2010 | -0.30 / -1.20% | 24.80 | 25.00 | 24.70 | 24.70 | 24.70 | 19.00 | 31,700 |   |  |