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                    Closing price on 8/2/2011
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                    | Open | 3.50 |  
                    | High | 3.90 |  
                    | Low | 3.50 |  
                    | Volume | 4,300 |  
                    | Split-adjusted Price | 3.45 |  
                
             | 
 |  BLF Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/2/2011 | 0.00 / 0.00% | 3.50 | 3.90 | 3.50 | 3.80 | 3.52 | 3.45 | 4,300 |   |  
            | 8/1/2011 | -0.10 / -2.56% | 3.70 | 3.80 | 3.60 | 3.80 | 3.74 | 3.45 | 3,100 |   |  			
            | 7/29/2011 | 0.00 / 0.00% | 3.70 | 3.90 | 3.60 | 3.90 | 3.71 | 3.54 | 14,300 |   |  
            | 7/28/2011 | +0.10 / +2.63% | 3.70 | 3.90 | 3.70 | 3.90 | 3.79 | 3.54 | 2,400 |   |  			
            | 7/27/2011 | +0.10 / +2.70% | 3.70 | 3.80 | 3.70 | 3.80 | 3.71 | 3.45 | 1,600 |   |  
            | 7/26/2011 | +0.10 / +2.78% | 3.60 | 3.70 | 3.60 | 3.70 | 3.63 | 3.36 | 4,100 |   |  			
            | 7/25/2011 | -0.20 / -5.26% | 3.80 | 3.80 | 3.60 | 3.60 | 3.63 | 3.27 | 6,900 |   |  
            | 7/22/2011 | -0.20 / -5.00% | 3.90 | 4.00 | 3.80 | 3.80 | 3.82 | 3.45 | 16,500 |   |  			
            | 7/21/2011 | -0.10 / -2.44% | 4.10 | 4.10 | 4.00 | 4.00 | 4.00 | 3.63 | 12,000 |   |  
            | 7/20/2011 | +0.10 / +2.50% | 4.00 | 4.10 | 4.00 | 4.10 | 4.04 | 3.72 | 10,200 |   |  			
            | 7/19/2011 | -0.10 / -2.44% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 3.63 | 5,400 |   |  
            | 7/18/2011 | +0.20 / +5.13% | 3.80 | 4.10 | 3.80 | 4.10 | 3.98 | 3.72 | 3,100 |   |  			
            | 7/15/2011 | 0.00 / 0.00% | 4.00 | 4.00 | 3.90 | 3.90 | 3.96 | 3.54 | 2,500 |   |  
            | 7/14/2011 | 0.00 / 0.00% | 3.80 | 3.90 | 3.80 | 3.90 | 3.85 | 3.54 | 23,500 |   |  			
            | 7/13/2011 | -0.10 / -2.50% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 3.54 | 0 |   |  
            | 7/12/2011 | 0.00 / 0.00% | 4.00 | 4.00 | 3.80 | 4.00 | 3.94 | 3.63 | 3,000 |   |  			
            | 7/11/2011 | 0.00 / 0.00% | 4.10 | 4.10 | 3.80 | 4.00 | 3.96 | 3.63 | 9,400 |   |  
            | 7/8/2011 | -0.20 / -4.76% | 4.20 | 4.20 | 4.00 | 4.00 | 4.00 | 3.63 | 31,700 |   |  			
            | 7/7/2011 | 0.00 / 0.00% | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 3.81 | 100 |   |  
            | 7/6/2011 | 0.00 / 0.00% | 4.20 | 4.20 | 4.20 | 4.20 | 4.20 | 3.81 | 6,200 |   |  			
            | 7/5/2011 | +0.20 / +5.00% | 4.10 | 4.20 | 4.10 | 4.20 | 4.19 | 3.81 | 14,000 |   |  
            | 7/4/2011 | 0.00 / 0.00% | 4.00 | 4.10 | 3.90 | 4.00 | 3.99 | 3.63 | 7,100 |   |  			
            | 7/1/2011 | -0.20 / -4.76% | 4.10 | 4.10 | 4.00 | 4.00 | 4.01 | 3.63 | 28,000 |   |  
            | 6/30/2011 | -0.10 / -2.33% | 4.40 | 4.40 | 4.20 | 4.20 | 4.30 | 3.81 | 3,900 |   |  			
            | 6/29/2011 | 0.00 / 0.00% | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 3.90 | 1,000 |   |  
            | 6/28/2011 | -0.20 / -4.44% | 4.70 | 4.70 | 4.30 | 4.30 | 4.50 | 3.90 | 3,400 |   |  			
            | 6/27/2011 | -0.10 / -2.17% | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 4.08 | 1,000 |   |  
            | 6/24/2011 | +0.10 / +2.22% | 4.20 | 4.70 | 4.20 | 4.60 | 4.53 | 4.17 | 10,900 |   |  			
            | 6/23/2011 | 0.00 / 0.00% | 4.30 | 4.50 | 4.30 | 4.50 | 4.44 | 4.08 | 2,100 |   |  
            | 6/22/2011 | -0.30 / -6.25% | 4.50 | 4.50 | 4.40 | 4.50 | 4.48 | 4.08 | 6,600 |   |  |