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                    Closing price on 2/26/2010
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                    | Open | 11.90 |  
                    | High | 11.90 |  
                    | Low | 11.80 |  
                    | Volume | 68,600 |  
                    | Split-adjusted Price | 8.03 |  
                
             | 
 |  BTS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/26/2010 | 0.00 / 0.00% | 11.90 | 11.90 | 11.80 | 11.80 | 11.80 | 8.03 | 68,600 |   |  
            | 2/25/2010 | -0.20 / -1.67% | 11.80 | 11.80 | 11.80 | 11.80 | 11.80 | 8.03 | 67,000 |   |  			
            | 2/24/2010 | +0.20 / +1.69% | 11.40 | 12.00 | 11.40 | 12.00 | 12.00 | 8.17 | 800 |   |  
            | 2/23/2010 | -0.20 / -1.67% | 11.90 | 11.90 | 11.40 | 11.80 | 11.80 | 8.03 | 21,000 |   |  			
            | 2/22/2010 | +0.10 / +0.84% | 12.00 | 12.00 | 11.60 | 12.00 | 12.00 | 8.17 | 4,000 |   |  
            | 2/12/2010 | -0.10 / -0.83% | 12.10 | 12.10 | 11.90 | 11.90 | 11.90 | 8.10 | 12,300 |   |  			
            | 2/11/2010 | +0.20 / +1.69% | 11.90 | 12.00 | 11.90 | 12.00 | 12.00 | 8.17 | 8,700 |   |  
            | 2/10/2010 | +0.10 / +0.85% | 11.80 | 11.90 | 11.80 | 11.80 | 11.80 | 8.03 | 22,700 |   |  			
            | 2/9/2010 | -0.10 / -0.85% | 11.60 | 11.80 | 11.60 | 11.70 | 11.70 | 7.96 | 41,500 |   |  
            | 2/8/2010 | 0.00 / 0.00% | 11.50 | 12.20 | 11.50 | 11.80 | 11.80 | 8.03 | 23,800 |   |  			
            | 2/5/2010 | 0.00 / 0.00% | 11.90 | 12.00 | 11.70 | 11.80 | 11.80 | 8.03 | 57,400 |   |  
            | 2/4/2010 | 0.00 / 0.00% | 11.80 | 11.90 | 11.80 | 11.80 | 11.80 | 8.03 | 13,700 |   |  			
            | 2/3/2010 | +0.10 / +0.85% | 11.70 | 11.90 | 11.70 | 11.80 | 11.80 | 8.03 | 57,200 |   |  
            | 2/2/2010 | -0.10 / -0.85% | 11.80 | 11.80 | 11.70 | 11.70 | 11.70 | 7.96 | 77,000 |   |  			
            | 2/1/2010 | 0.00 / 0.00% | 11.80 | 11.90 | 11.60 | 11.80 | 11.80 | 8.03 | 35,800 |   |  
            | 1/29/2010 | +0.20 / +1.72% | 11.60 | 11.90 | 11.60 | 11.80 | 11.80 | 8.03 | 21,400 |   |  			
            | 1/28/2010 | -0.20 / -1.69% | 11.70 | 11.80 | 11.60 | 11.60 | 11.60 | 7.90 | 74,600 |   |  
            | 1/27/2010 | -0.10 / -0.84% | 11.70 | 11.80 | 11.40 | 11.80 | 11.80 | 8.03 | 32,400 |   |  			
            | 1/26/2010 | 0.00 / 0.00% | 11.00 | 12.00 | 10.90 | 11.90 | 11.90 | 8.10 | 86,200 |   |  
            | 1/25/2010 | +0.20 / +1.71% | 11.50 | 11.90 | 11.30 | 11.90 | 11.90 | 8.10 | 57,900 |   |  			
            | 1/22/2010 | 0.00 / 0.00% | 11.00 | 11.70 | 11.00 | 11.70 | 11.70 | 7.96 | 57,800 |   |  
            | 1/21/2010 | 0.00 / 0.00% | 11.50 | 11.90 | 11.50 | 11.70 | 11.70 | 7.96 | 67,600 |   |  			
            | 1/20/2010 | -0.10 / -0.85% | 11.70 | 11.90 | 11.60 | 11.70 | 11.70 | 7.96 | 45,900 |   |  
            | 1/19/2010 | 0.00 / 0.00% | 11.70 | 11.80 | 11.70 | 11.80 | 11.80 | 8.03 | 56,200 |   |  			
            | 1/18/2010 | -0.10 / -0.84% | 11.50 | 11.80 | 11.50 | 11.80 | 11.80 | 8.03 | 64,000 |   |  
            | 1/15/2010 | 0.00 / 0.00% | 11.90 | 11.90 | 11.70 | 11.90 | 11.90 | 8.10 | 54,800 |   |  			
            | 1/14/2010 | -0.10 / -0.83% | 12.40 | 12.40 | 11.50 | 11.90 | 11.90 | 8.10 | 190,600 |   |  
            | 1/13/2010 | +0.20 / +1.69% | 11.60 | 12.00 | 11.60 | 12.00 | 12.00 | 8.17 | 57,500 |   |  			
            | 1/12/2010 | -0.20 / -1.67% | 12.00 | 12.30 | 11.60 | 11.80 | 11.80 | 8.03 | 51,900 |   |  
            | 1/11/2010 | -0.20 / -1.64% | 12.20 | 12.20 | 12.00 | 12.00 | 12.00 | 8.17 | 63,500 |   |  |