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                    Closing price on 9/7/2012
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                    | Open | 5.30 |  
                    | High | 5.40 |  
                    | Low | 5.20 |  
                    | Volume | 23,140 |  
                    | Split-adjusted Price | 2.48 |  
                
             | 
 |  BSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/7/2012 | -0.20 / -3.70% | 5.30 | 5.40 | 5.20 | 5.20 | 5.20 | 2.48 | 23,140 |   |  
            | 9/6/2012 | 0.00 / 0.00% | 5.30 | 5.40 | 5.20 | 5.40 | 5.40 | 2.57 | 12,290 |   |  			
            | 9/5/2012 | 0.00 / 0.00% | 5.20 | 5.40 | 5.20 | 5.40 | 5.40 | 2.57 | 7,760 |   |  
            | 9/4/2012 | 0.00 / 0.00% | 5.50 | 5.50 | 5.30 | 5.40 | 5.40 | 2.57 | 16,310 |   |  			
            | 8/31/2012 | -0.10 / -1.82% | 5.30 | 5.40 | 5.30 | 5.40 | 5.40 | 2.57 | 440 |   |  
            | 8/30/2012 | +0.10 / +1.85% | 5.40 | 5.50 | 5.20 | 5.50 | 5.50 | 2.62 | 8,320 |   |  			
            | 8/29/2012 | +0.10 / +1.89% | 5.20 | 5.40 | 5.20 | 5.40 | 5.40 | 2.57 | 17,420 |   |  
            | 8/28/2012 | -0.10 / -1.85% | 5.40 | 5.40 | 5.20 | 5.30 | 5.30 | 2.52 | 1,070 |   |  			
            | 8/27/2012 | 0.00 / 0.00% | 5.20 | 5.40 | 5.20 | 5.40 | 5.40 | 2.57 | 10,590 |   |  
            | 8/24/2012 | +0.20 / +3.85% | 5.00 | 5.40 | 5.00 | 5.40 | 5.40 | 2.57 | 61,250 |   |  			
            | 8/23/2012 | -0.20 / -3.70% | 5.20 | 5.20 | 5.20 | 5.20 | 5.20 | 2.48 | 7,140 |   |  
            | 8/22/2012 | 0.00 / 0.00% | 5.20 | 5.40 | 5.20 | 5.40 | 5.40 | 2.57 | 35,040 |   |  			
            | 8/21/2012 | -0.20 / -3.57% | 5.70 | 5.70 | 5.40 | 5.40 | 5.40 | 2.57 | 37,500 |   |  
            | 8/20/2012 | -0.20 / -3.45% | 5.70 | 6.00 | 5.60 | 5.60 | 5.60 | 2.67 | 37,070 |   |  			
            | 8/17/2012 | -0.10 / -1.69% | 5.90 | 5.90 | 5.70 | 5.80 | 5.80 | 2.76 | 12,140 |   |  
            | 8/16/2012 | +0.10 / +1.72% | 5.90 | 5.90 | 5.70 | 5.90 | 5.90 | 2.81 | 18,970 |   |  			
            | 8/15/2012 | +0.10 / +1.75% | 5.90 | 5.90 | 5.70 | 5.80 | 5.80 | 2.76 | 29,460 |   |  
            | 8/14/2012 | -0.30 / -5.00% | 5.70 | 5.90 | 5.70 | 5.70 | 5.70 | 2.71 | 68,160 |   |  			
            | 8/13/2012 | -0.30 / -4.76% | 6.10 | 6.10 | 6.00 | 6.00 | 6.00 | 2.86 | 22,080 |   |  
            | 8/10/2012 | -0.30 / -4.55% | 6.60 | 6.60 | 6.30 | 6.30 | 6.30 | 3.00 | 34,250 |   |  			
            | 8/9/2012 | 0.00 / 0.00% | 6.60 | 6.60 | 6.40 | 6.60 | 6.60 | 3.14 | 5,420 |   |  
            | 8/8/2012 | 0.00 / 0.00% | 6.50 | 6.60 | 6.50 | 6.60 | 6.60 | 3.14 | 8,100 |   |  			
            | 8/7/2012 | +0.10 / +1.54% | 6.50 | 6.70 | 6.30 | 6.60 | 6.60 | 3.14 | 25,400 |   |  
            | 8/6/2012 | +0.10 / +1.56% | 6.40 | 6.60 | 6.40 | 6.50 | 6.50 | 3.09 | 24,910 |   |  			
            | 8/3/2012 | -0.20 / -3.03% | 6.60 | 6.70 | 6.40 | 6.40 | 6.40 | 3.05 | 5,030 |   |  
            | 8/2/2012 | 0.00 / 0.00% | 6.30 | 6.60 | 6.30 | 6.60 | 6.60 | 3.14 | 1,850 |   |  			
            | 8/1/2012 | 0.00 / 0.00% | 6.60 | 6.70 | 6.30 | 6.60 | 6.60 | 3.14 | 12,750 |   |  
            | 7/31/2012 | +0.10 / +1.54% | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 3.14 | 3,050 |   |  			
            | 7/30/2012 | -0.30 / -4.41% | 6.70 | 6.70 | 6.50 | 6.50 | 6.50 | 3.09 | 4,600 |   |  
            | 7/27/2012 | +0.20 / +3.03% | 6.60 | 6.80 | 6.30 | 6.80 | 6.80 | 3.24 | 19,580 |   |  |