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                    Closing price on 5/15/2012
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        |           
                
                    | Open | 5.40 |  
                    | High | 5.60 |  
                    | Low | 5.40 |  
                    | Volume | 114,600 |  
                    | Split-adjusted Price | 5.08 |  
                
             | 
 |  BLF Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/15/2012 | -0.10 / -1.75% | 5.40 | 5.60 | 5.40 | 5.60 | 5.42 | 5.08 | 114,600 |   |  
            | 5/14/2012 | -0.40 / -6.56% | 6.20 | 6.20 | 5.70 | 5.70 | 5.79 | 5.17 | 63,900 |   |  			
            | 5/11/2012 | -0.40 / -6.15% | 6.40 | 6.60 | 6.10 | 6.10 | 6.16 | 5.53 | 135,200 |   |  
            | 5/10/2012 | -0.30 / -4.41% | 6.80 | 6.90 | 6.50 | 6.50 | 6.60 | 5.90 | 65,800 |   |  			
            | 5/9/2012 | -0.10 / -1.45% | 7.00 | 7.20 | 6.80 | 6.80 | 7.00 | 6.17 | 80,100 |   |  
            | 5/8/2012 | +0.20 / +2.99% | 7.10 | 7.10 | 6.90 | 6.90 | 7.08 | 6.26 | 131,800 |   |  			
            | 5/7/2012 | +0.40 / +6.35% | 6.70 | 6.70 | 6.60 | 6.70 | 6.70 | 6.08 | 106,400 |   |  
            | 5/4/2012 | +0.10 / +1.61% | 6.20 | 6.40 | 5.90 | 6.30 | 6.15 | 5.71 | 49,400 |   |  			
            | 5/3/2012 | -0.10 / -1.59% | 6.00 | 6.20 | 5.80 | 6.20 | 5.93 | 5.62 | 64,200 |   |  
            | 5/2/2012 | 0.00 / 0.00% | 6.70 | 6.70 | 6.00 | 6.30 | 6.41 | 5.71 | 127,900 |   |  			
            | 4/27/2012 | +0.40 / +6.78% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 5.71 | 39,200 |   |  
            | 4/26/2012 | +0.30 / +5.36% | 5.90 | 5.90 | 5.90 | 5.90 | 5.90 | 5.35 | 52,500 |   |  			
            | 4/25/2012 | +0.20 / +3.70% | 5.40 | 5.60 | 5.40 | 5.60 | 5.55 | 5.08 | 86,600 |   |  
            | 4/24/2012 | +0.30 / +5.88% | 5.00 | 5.40 | 4.80 | 5.40 | 5.18 | 4.90 | 52,100 |   |  			
            | 4/23/2012 | -0.10 / -1.92% | 5.30 | 5.30 | 5.00 | 5.10 | 5.14 | 4.63 | 86,500 |   |  
            | 4/20/2012 | 0.00 / 0.00% | 5.20 | 5.40 | 5.00 | 5.20 | 5.22 | 4.72 | 101,400 |   |  			
            | 4/19/2012 | +0.30 / +6.12% | 5.20 | 5.20 | 5.10 | 5.20 | 5.19 | 4.72 | 185,600 |   |  
            | 4/18/2012 | +0.30 / +6.52% | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 4.44 | 78,200 |   |  			
            | 4/17/2012 | +0.30 / +6.98% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.17 | 94,600 |   |  
            | 4/16/2012 | +0.20 / +4.88% | 4.10 | 4.30 | 4.00 | 4.30 | 4.23 | 3.90 | 53,700 |   |  			
            | 4/13/2012 | -0.30 / -6.82% | 4.20 | 4.30 | 4.10 | 4.10 | 4.22 | 3.72 | 26,700 |   |  
            | 4/12/2012 | -0.10 / -2.22% | 4.50 | 4.50 | 4.20 | 4.40 | 4.28 | 3.99 | 28,800 |   |  			
            | 4/11/2012 | 0.00 / 0.00% | 4.60 | 4.60 | 4.50 | 4.50 | 4.50 | 4.08 | 15,600 |   |  
            | 4/10/2012 | 0.00 / 0.00% | 4.50 | 4.60 | 4.50 | 4.50 | 4.50 | 4.08 | 13,300 |   |  			
            | 4/9/2012 | +0.20 / +4.65% | 4.30 | 4.50 | 4.30 | 4.50 | 4.34 | 4.08 | 40,400 |   |  
            | 4/6/2012 | +0.10 / +2.38% | 4.10 | 4.30 | 4.00 | 4.30 | 4.17 | 3.90 | 16,200 |   |  			
            | 4/5/2012 | +0.10 / +2.44% | 4.00 | 4.20 | 4.00 | 4.20 | 4.04 | 3.81 | 14,000 |   |  
            | 4/4/2012 | -0.20 / -4.65% | 4.10 | 4.20 | 4.10 | 4.10 | 4.10 | 3.72 | 27,200 |   |  			
            | 4/3/2012 | +0.10 / +2.38% | 4.20 | 4.30 | 4.00 | 4.30 | 4.15 | 3.90 | 16,200 |   |  
            | 3/30/2012 | 0.00 / 0.00% | 4.00 | 4.20 | 4.00 | 4.20 | 4.03 | 3.81 | 29,500 |   |  |