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                    Closing price on 5/9/2011
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                    | Open | 5.30 |  
                    | High | 5.80 |  
                    | Low | 5.30 |  
                    | Volume | 4,000 |  
                    | Split-adjusted Price | 5.26 |  
                
             | 
 |  BLF Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/9/2011 | +0.10 / +1.75% | 5.30 | 5.80 | 5.30 | 5.80 | 5.76 | 5.26 | 4,000 |   |  
            | 5/6/2011 | +0.10 / +1.79% | 5.60 | 5.80 | 5.60 | 5.70 | 5.62 | 5.17 | 25,200 |   |  			
            | 5/5/2011 | -0.10 / -1.75% | 5.90 | 5.90 | 5.60 | 5.60 | 5.72 | 5.08 | 3,000 |   |  
            | 5/4/2011 | 0.00 / 0.00% | 5.70 | 5.70 | 5.70 | 5.70 | 5.70 | 5.17 | 8,500 |   |  			
            | 4/29/2011 | 0.00 / 0.00% | 5.50 | 5.70 | 5.50 | 5.70 | 5.60 | 5.17 | 4,300 |   |  
            | 4/28/2011 | +0.20 / +3.64% | 5.60 | 5.70 | 5.50 | 5.70 | 5.55 | 5.17 | 11,500 |   |  			
            | 4/27/2011 | +0.10 / +1.85% | 5.50 | 5.50 | 5.50 | 5.50 | 5.50 | 4.99 | 32,500 |   |  
            | 4/26/2011 | -0.50 / -8.47% | 5.40 | 5.60 | 5.40 | 5.40 | 5.54 | 4.90 | 29,700 |   |  			
            | 4/25/2011 | +0.40 / +7.27% | 5.30 | 5.90 | 5.30 | 5.90 | 5.85 | 5.35 | 15,300 |   |  
            | 4/22/2011 | -0.20 / -3.51% | 5.40 | 5.70 | 5.40 | 5.50 | 5.59 | 4.99 | 8,400 |   |  			
            | 4/21/2011 | -0.10 / -1.72% | 5.70 | 6.00 | 5.60 | 5.70 | 5.76 | 5.17 | 6,500 |   |  
            | 4/20/2011 | 0.00 / 0.00% | 6.00 | 6.00 | 5.80 | 5.80 | 5.80 | 5.26 | 9,400 |   |  			
            | 4/19/2011 | -0.20 / -3.33% | 5.60 | 6.00 | 5.60 | 5.80 | 5.82 | 5.26 | 20,400 |   |  
            | 4/18/2011 | -0.40 / -6.25% | 6.00 | 6.60 | 5.90 | 6.00 | 6.01 | 5.44 | 20,100 |   |  			
            | 4/15/2011 | -0.20 / -3.03% | 6.30 | 6.50 | 6.30 | 6.40 | 6.35 | 5.80 | 34,800 |   |  
            | 4/14/2011 | -0.20 / -2.94% | 6.70 | 6.80 | 6.60 | 6.60 | 6.67 | 5.99 | 11,600 |   |  			
            | 4/13/2011 | -0.20 / -2.86% | 6.80 | 6.90 | 6.70 | 6.80 | 6.78 | 6.17 | 10,600 |   |  
            | 4/8/2011 | -0.10 / -1.41% | 7.00 | 7.00 | 6.90 | 7.00 | 7.00 | 6.35 | 4,400 |   |  			
            | 4/7/2011 | -0.10 / -1.39% | 7.20 | 7.20 | 7.10 | 7.10 | 7.13 | 6.44 | 9,700 |   |  
            | 4/6/2011 | +0.20 / +2.86% | 7.00 | 7.20 | 7.00 | 7.20 | 7.18 | 6.53 | 12,500 |   |  			
            | 4/5/2011 | -0.20 / -2.78% | 7.10 | 7.20 | 7.00 | 7.00 | 7.07 | 6.35 | 10,100 |   |  
            | 4/4/2011 | 0.00 / 0.00% | 7.20 | 7.20 | 6.80 | 7.20 | 7.07 | 6.53 | 600 |   |  			
            | 4/1/2011 | +0.10 / +1.41% | 7.00 | 7.20 | 6.90 | 7.20 | 7.00 | 6.53 | 9,800 |   |  
            | 3/31/2011 | -0.30 / -4.05% | 7.30 | 7.30 | 7.10 | 7.10 | 7.22 | 6.44 | 9,000 |   |  			
            | 3/30/2011 | 0.00 / 0.00% | 7.10 | 7.40 | 7.10 | 7.40 | 7.21 | 6.71 | 4,100 |   |  
            | 3/29/2011 | -0.10 / -1.33% | 7.50 | 7.50 | 7.30 | 7.40 | 7.44 | 6.71 | 6,400 |   |  			
            | 3/28/2011 | +0.50 / +7.14% | 7.40 | 7.50 | 7.20 | 7.50 | 7.46 | 6.80 | 20,900 |   |  
            | 3/25/2011 | -0.20 / -2.78% | 7.10 | 7.20 | 7.00 | 7.00 | 7.06 | 6.35 | 13,300 |   |  			
            | 3/24/2011 | -0.20 / -2.70% | 7.30 | 7.30 | 7.20 | 7.20 | 7.24 | 6.53 | 13,900 |   |  
            | 3/23/2011 | 0.00 / 0.00% | 7.40 | 7.40 | 7.20 | 7.40 | 7.32 | 6.71 | 5,400 |   |  |