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                    Closing price on 5/15/2012
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        |           
                
                    | Open | 7.00 |  
                    | High | 7.60 |  
                    | Low | 6.90 |  
                    | Volume | 31,200 |  
                    | Split-adjusted Price | 6.48 |  
                
             | 
 |  TST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/15/2012 | -0.60 / -8.00% | 7.00 | 7.60 | 6.90 | 6.90 | 6.90 | 6.48 | 31,200 |   |  
            | 5/14/2012 | -0.50 / -6.25% | 7.80 | 8.10 | 7.30 | 7.50 | 7.50 | 7.04 | 82,800 |   |  			
            | 5/11/2012 | +0.10 / +1.27% | 7.50 | 8.00 | 7.50 | 8.00 | 8.00 | 7.51 | 64,900 |   |  
            | 5/10/2012 | -0.10 / -1.25% | 8.10 | 8.10 | 7.60 | 7.90 | 7.90 | 7.41 | 88,700 |   |  			
            | 5/9/2012 | -0.40 / -4.76% | 8.00 | 8.30 | 7.90 | 8.00 | 8.00 | 7.51 | 58,900 |   |  
            | 5/8/2012 | +0.10 / +1.20% | 8.30 | 8.40 | 7.80 | 8.40 | 8.40 | 7.88 | 73,700 |   |  			
            | 5/7/2012 | +0.50 / +6.41% | 8.10 | 8.30 | 7.90 | 8.30 | 8.30 | 7.79 | 103,900 |   |  
            | 5/4/2012 | +0.50 / +6.85% | 7.70 | 7.80 | 7.70 | 7.80 | 7.80 | 7.32 | 135,500 |   |  			
            | 5/3/2012 | +0.40 / +5.80% | 7.30 | 7.30 | 7.00 | 7.30 | 7.30 | 6.85 | 206,100 |   |  
            | 5/2/2012 | +0.40 / +6.15% | 6.90 | 6.90 | 6.70 | 6.90 | 6.90 | 6.48 | 125,000 |   |  			
            | 4/27/2012 | +0.40 / +6.56% | 6.10 | 6.50 | 6.10 | 6.50 | 6.50 | 6.10 | 92,300 |   |  
            | 4/26/2012 | -0.10 / -1.61% | 6.10 | 6.10 | 6.00 | 6.10 | 6.10 | 5.72 | 9,100 |   |  			
            | 4/25/2012 | 0.00 / 0.00% | 6.00 | 6.20 | 6.00 | 6.20 | 6.20 | 5.82 | 13,400 |   |  
            | 4/24/2012 | +0.10 / +1.64% | 6.00 | 6.20 | 6.00 | 6.20 | 6.20 | 5.82 | 1,400 |   |  			
            | 4/23/2012 | -0.10 / -1.61% | 6.10 | 6.10 | 6.00 | 6.10 | 6.10 | 5.72 | 36,400 |   |  
            | 4/20/2012 | +0.10 / +1.64% | 6.10 | 6.20 | 6.10 | 6.20 | 6.20 | 5.82 | 8,900 |   |  			
            | 4/19/2012 | 0.00 / 0.00% | 6.00 | 6.10 | 5.90 | 6.10 | 6.10 | 5.72 | 62,600 |   |  
            | 4/18/2012 | -0.10 / -1.61% | 6.20 | 6.20 | 6.10 | 6.10 | 6.10 | 5.72 | 16,800 |   |  			
            | 4/17/2012 | 0.00 / 0.00% | 6.20 | 6.30 | 6.20 | 6.20 | 6.20 | 5.82 | 12,300 |   |  
            | 4/16/2012 | +0.10 / +1.64% | 6.00 | 6.20 | 5.90 | 6.20 | 6.20 | 5.82 | 17,300 |   |  			
            | 4/13/2012 | -0.30 / -4.69% | 6.20 | 6.20 | 6.00 | 6.10 | 6.10 | 5.72 | 40,200 |   |  
            | 4/12/2012 | +0.10 / +1.59% | 6.20 | 6.50 | 6.20 | 6.40 | 6.40 | 6.01 | 32,700 |   |  			
            | 4/11/2012 | +0.40 / +6.78% | 6.00 | 6.30 | 6.00 | 6.30 | 6.30 | 5.91 | 17,900 |   |  
            | 4/10/2012 | -0.10 / -1.67% | 6.00 | 6.00 | 5.90 | 5.90 | 5.90 | 5.54 | 49,200 |   |  			
            | 4/9/2012 | -0.40 / -6.25% | 6.20 | 6.20 | 6.00 | 6.00 | 6.00 | 5.63 | 102,500 |   |  
            | 4/6/2012 | 0.00 / 0.00% | 6.40 | 6.40 | 6.30 | 6.40 | 6.40 | 6.01 | 40,100 |   |  			
            | 4/5/2012 | 0.00 / 0.00% | 6.00 | 6.40 | 6.00 | 6.40 | 6.40 | 6.01 | 27,100 |   |  
            | 4/4/2012 | 0.00 / 0.00% | 6.20 | 6.40 | 6.00 | 6.40 | 6.40 | 6.01 | 21,600 |   |  			
            | 4/3/2012 | 0.00 / 0.00% | 6.30 | 6.40 | 6.30 | 6.40 | 6.40 | 6.01 | 1,400 |   |  
            | 3/30/2012 | 0.00 / 0.00% | 6.30 | 6.40 | 6.10 | 6.40 | 6.40 | 6.01 | 23,500 |   |  |