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                    Closing price on 3/18/2011
                 |  |  
    
        |           
                
                    | Open | 7.30 |  
                    | High | 7.60 |  
                    | Low | 7.30 |  
                    | Volume | 22,700 |  
                    | Split-adjusted Price | 6.89 |  
                
             | 
 |  BLF Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/18/2011 | +0.30 / +4.11% | 7.30 | 7.60 | 7.30 | 7.60 | 7.52 | 6.89 | 22,700 |   |  
            | 3/17/2011 | +0.20 / +2.82% | 7.20 | 7.30 | 7.00 | 7.30 | 7.19 | 6.62 | 31,000 |   |  			
            | 3/16/2011 | -0.10 / -1.39% | 7.50 | 7.50 | 6.90 | 7.10 | 7.09 | 6.44 | 6,300 |   |  
            | 3/15/2011 | -0.20 / -2.70% | 7.30 | 7.40 | 7.20 | 7.20 | 7.32 | 6.53 | 4,500 |   |  			
            | 3/14/2011 | -0.50 / -6.33% | 8.00 | 8.00 | 7.40 | 7.40 | 7.50 | 6.71 | 3,200 |   |  
            | 3/11/2011 | +0.40 / +5.33% | 7.60 | 7.90 | 7.60 | 7.90 | 7.81 | 7.17 | 42,800 |   |  			
            | 3/10/2011 | +0.40 / +5.63% | 7.20 | 7.50 | 7.20 | 7.50 | 7.44 | 6.80 | 11,700 |   |  
            | 3/9/2011 | -0.40 / -5.33% | 7.20 | 7.40 | 7.00 | 7.10 | 7.13 | 6.44 | 13,900 |   |  			
            | 3/8/2011 | 0.00 / 0.00% | 7.40 | 7.50 | 7.40 | 7.50 | 7.41 | 6.80 | 16,300 |   |  
            | 3/7/2011 | +0.10 / +1.35% | 7.40 | 7.50 | 7.40 | 7.50 | 7.43 | 6.80 | 3,200 |   |  			
            | 3/4/2011 | -0.10 / -1.33% | 7.40 | 7.40 | 7.40 | 7.40 | 7.40 | 6.71 | 6,400 |   |  
            | 3/3/2011 | +0.20 / +2.74% | 7.70 | 7.70 | 7.20 | 7.50 | 7.40 | 6.80 | 5,500 |   |  			
            | 3/2/2011 | -0.30 / -3.95% | 7.70 | 7.70 | 7.30 | 7.30 | 7.43 | 6.62 | 5,300 |   |  
            | 3/1/2011 | -0.40 / -5.00% | 7.90 | 7.90 | 7.50 | 7.60 | 7.61 | 6.89 | 21,500 |   |  			
            | 2/28/2011 | -0.20 / -2.44% | 8.20 | 8.20 | 7.80 | 8.00 | 7.98 | 7.26 | 5,700 |   |  
            | 2/25/2011 | +0.30 / +3.80% | 7.90 | 8.20 | 7.90 | 8.20 | 8.06 | 7.44 | 16,800 |   |  			
            | 2/24/2011 | -0.10 / -1.25% | 7.90 | 7.90 | 7.90 | 7.90 | 7.90 | 7.17 | 8,300 |   |  
            | 2/23/2011 | +0.10 / +1.27% | 7.90 | 8.00 | 7.80 | 8.00 | 7.89 | 7.26 | 18,600 |   |  			
            | 2/22/2011 | 0.00 / 0.00% | 7.90 | 7.90 | 7.70 | 7.90 | 7.77 | 7.17 | 9,200 |   |  
            | 2/21/2011 | -0.20 / -2.47% | 7.80 | 8.00 | 7.60 | 7.90 | 7.75 | 7.17 | 28,600 |   |  			
            | 2/18/2011 | -0.20 / -2.41% | 8.40 | 8.40 | 8.00 | 8.10 | 8.07 | 7.35 | 37,200 |   |  
            | 2/17/2011 | -0.10 / -1.19% | 8.60 | 8.60 | 8.30 | 8.30 | 8.47 | 7.53 | 13,800 |   |  			
            | 2/16/2011 | -0.40 / -4.55% | 8.70 | 8.70 | 8.40 | 8.40 | 8.47 | 7.62 | 8,000 |   |  
            | 2/15/2011 | 0.00 / 0.00% | 8.60 | 8.90 | 8.60 | 8.80 | 8.72 | 7.98 | 3,100 |   |  			
            | 2/14/2011 | -0.10 / -1.12% | 8.80 | 8.90 | 8.70 | 8.80 | 8.81 | 7.98 | 4,500 |   |  
            | 2/11/2011 | +0.10 / +1.14% | 8.80 | 9.00 | 8.70 | 8.90 | 8.80 | 8.07 | 9,500 |   |  			
            | 2/10/2011 | 0.00 / 0.00% | 8.70 | 9.00 | 8.70 | 8.80 | 8.81 | 7.98 | 1,900 |   |  
            | 2/9/2011 | -0.40 / -4.35% | 9.30 | 9.30 | 8.60 | 8.80 | 8.84 | 7.98 | 18,700 |   |  			
            | 2/8/2011 | +0.30 / +3.37% | 9.30 | 9.30 | 9.20 | 9.20 | 9.23 | 8.34 | 400 |   |  
            | 1/28/2011 | -0.10 / -1.11% | 9.00 | 9.00 | 8.90 | 8.90 | 8.92 | 8.07 | 14,600 |   |  |