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                    Closing price on 5/7/2013
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                    | Open | 3.40 |  
                    | High | 3.40 |  
                    | Low | 3.30 |  
                    | Volume | 3,860 |  
                    | Split-adjusted Price | 1.62 |  
                
             | 
 |  BSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/7/2013 | +0.10 / +3.03% | 3.40 | 3.40 | 3.30 | 3.40 | 3.40 | 1.62 | 3,860 |   |  
            | 5/6/2013 | +0.20 / +6.45% | 3.20 | 3.30 | 3.20 | 3.30 | 3.30 | 1.57 | 69,400 |   |  			
            | 5/3/2013 | -0.10 / -3.13% | 3.10 | 3.20 | 3.00 | 3.10 | 3.10 | 1.48 | 3,390 |   |  
            | 5/2/2013 | 0.00 / 0.00% | 3.00 | 3.20 | 3.00 | 3.20 | 3.20 | 1.52 | 180 |   |  			
            | 4/26/2013 | -0.10 / -3.03% | 3.30 | 3.30 | 3.10 | 3.20 | 3.20 | 1.52 | 13,150 |   |  
            | 4/25/2013 | +0.10 / +3.13% | 3.20 | 3.30 | 3.10 | 3.30 | 3.30 | 1.57 | 4,460 |   |  			
            | 4/24/2013 | 0.00 / 0.00% | 3.10 | 3.20 | 3.10 | 3.20 | 3.20 | 1.52 | 22,310 |   |  
            | 4/23/2013 | 0.00 / 0.00% | 3.10 | 3.30 | 3.10 | 3.20 | 3.20 | 1.52 | 35,830 |   |  			
            | 4/22/2013 | -0.20 / -5.88% | 3.40 | 3.40 | 3.20 | 3.20 | 3.20 | 1.52 | 21,740 |   |  
            | 4/18/2013 | -0.10 / -2.86% | 3.50 | 3.50 | 3.40 | 3.40 | 3.40 | 1.62 | 2,760 |   |  			
            | 4/17/2013 | 0.00 / 0.00% | 3.50 | 3.50 | 3.30 | 3.50 | 3.50 | 1.67 | 14,650 |   |  
            | 4/16/2013 | +0.10 / +2.94% | 3.40 | 3.50 | 3.30 | 3.50 | 3.50 | 1.67 | 34,160 |   |  			
            | 4/15/2013 | -0.20 / -5.56% | 3.50 | 3.50 | 3.40 | 3.40 | 3.40 | 1.62 | 58,910 |   |  
            | 4/12/2013 | 0.00 / 0.00% | 3.60 | 3.60 | 3.50 | 3.60 | 3.60 | 1.71 | 17,240 |   |  			
            | 4/11/2013 | -0.10 / -2.70% | 3.70 | 3.70 | 3.60 | 3.60 | 3.60 | 1.71 | 11,420 |   |  
            | 4/10/2013 | 0.00 / 0.00% | 3.80 | 3.80 | 3.70 | 3.70 | 3.70 | 1.76 | 22,460 |   |  			
            | 4/9/2013 | 0.00 / 0.00% | 3.70 | 3.80 | 3.70 | 3.70 | 3.70 | 1.76 | 5,410 |   |  
            | 4/8/2013 | -0.10 / -2.63% | 3.80 | 3.80 | 3.70 | 3.70 | 3.70 | 1.76 | 15,650 |   |  			
            | 4/5/2013 | +0.10 / +2.70% | 3.70 | 3.80 | 3.60 | 3.80 | 3.80 | 1.81 | 9,600 |   |  
            | 4/4/2013 | 0.00 / 0.00% | 3.70 | 3.70 | 3.60 | 3.70 | 3.70 | 1.76 | 22,390 |   |  			
            | 4/3/2013 | 0.00 / 0.00% | 3.70 | 3.70 | 3.60 | 3.70 | 3.70 | 1.76 | 14,200 |   |  
            | 4/2/2013 | +0.10 / +2.78% | 3.70 | 3.80 | 3.70 | 3.70 | 3.70 | 1.76 | 29,220 |   |  			
            | 4/1/2013 | +0.20 / +5.88% | 3.50 | 3.60 | 3.40 | 3.60 | 3.60 | 1.71 | 27,590 |   |  
            | 3/29/2013 | -0.10 / -2.86% | 3.30 | 3.60 | 3.30 | 3.40 | 3.40 | 1.62 | 85,950 |   |  			
            | 3/28/2013 | -0.20 / -5.41% | 3.60 | 3.60 | 3.50 | 3.50 | 3.50 | 1.67 | 66,530 |   |  
            | 3/27/2013 | -0.10 / -2.63% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 1.76 | 10,560 |   |  			
            | 3/26/2013 | 0.00 / 0.00% | 3.80 | 3.80 | 3.70 | 3.80 | 3.80 | 1.81 | 4,390 |   |  
            | 3/25/2013 | 0.00 / 0.00% | 3.80 | 3.80 | 3.70 | 3.80 | 3.80 | 1.81 | 9,410 |   |  			
            | 3/22/2013 | 0.00 / 0.00% | 3.70 | 3.90 | 3.60 | 3.80 | 3.80 | 1.81 | 47,850 |   |  
            | 3/21/2013 | -0.10 / -2.56% | 3.90 | 3.90 | 3.80 | 3.80 | 3.80 | 1.81 | 28,240 |   |  |