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            | 
                    Closing price on 3/1/2013
                 |  |  
    
        |           
                
                    | Open | 4.20 |  
                    | High | 4.20 |  
                    | Low | 4.10 |  
                    | Volume | 43,730 |  
                    | Split-adjusted Price | 1.95 |  
                
             | 
 |  BSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/1/2013 | 0.00 / 0.00% | 4.20 | 4.20 | 4.10 | 4.10 | 4.10 | 1.95 | 43,730 |   |  
            | 2/28/2013 | 0.00 / 0.00% | 4.20 | 4.20 | 4.10 | 4.10 | 4.10 | 1.95 | 40,360 |   |  			
            | 2/27/2013 | +0.10 / +2.50% | 4.00 | 4.20 | 3.90 | 4.10 | 4.10 | 1.95 | 59,300 |   |  
            | 2/26/2013 | -0.30 / -6.98% | 4.30 | 4.30 | 4.00 | 4.00 | 4.00 | 1.90 | 165,450 |   |  			
            | 2/25/2013 | -0.10 / -2.27% | 4.40 | 4.40 | 4.20 | 4.30 | 4.30 | 2.05 | 116,820 |   |  
            | 2/22/2013 | +0.10 / +2.33% | 4.30 | 4.50 | 4.20 | 4.40 | 4.40 | 2.09 | 157,160 |   |  			
            | 2/21/2013 | 0.00 / 0.00% | 4.30 | 4.60 | 4.30 | 4.30 | 4.30 | 2.05 | 432,390 |   |  
            | 2/20/2013 | +0.10 / +2.38% | 4.20 | 4.40 | 4.20 | 4.30 | 4.30 | 2.05 | 172,300 |   |  			
            | 2/19/2013 | -0.10 / -2.33% | 4.30 | 4.40 | 4.20 | 4.20 | 4.20 | 2.00 | 111,450 |   |  
            | 2/18/2013 | +0.10 / +2.38% | 4.30 | 4.40 | 4.30 | 4.30 | 4.30 | 2.05 | 52,480 |   |  			
            | 2/8/2013 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.20 | 4.20 | 2.00 | 63,640 |   |  
            | 2/7/2013 | 0.00 / 0.00% | 4.20 | 4.30 | 4.20 | 4.20 | 4.20 | 2.00 | 34,010 |   |  			
            | 2/6/2013 | +0.20 / +5.00% | 4.10 | 4.20 | 4.00 | 4.20 | 4.20 | 2.00 | 35,910 |   |  
            | 2/5/2013 | -0.10 / -2.44% | 4.10 | 4.10 | 4.00 | 4.00 | 4.00 | 1.90 | 50,650 |   |  			
            | 2/4/2013 | 0.00 / 0.00% | 4.20 | 4.20 | 4.10 | 4.10 | 4.10 | 1.95 | 34,580 |   |  
            | 2/1/2013 | 0.00 / 0.00% | 4.10 | 4.10 | 3.90 | 4.10 | 4.10 | 1.95 | 123,110 |   |  			
            | 1/31/2013 | 0.00 / 0.00% | 4.10 | 4.20 | 4.10 | 4.10 | 4.10 | 1.95 | 18,130 |   |  
            | 1/30/2013 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.10 | 4.10 | 1.95 | 68,780 |   |  			
            | 1/29/2013 | -0.10 / -2.38% | 4.30 | 4.30 | 4.10 | 4.10 | 4.10 | 1.95 | 56,860 |   |  
            | 1/28/2013 | -0.10 / -2.33% | 4.30 | 4.40 | 4.10 | 4.20 | 4.20 | 2.00 | 189,370 |   |  			
            | 1/25/2013 | +0.20 / +4.88% | 4.20 | 4.30 | 4.10 | 4.30 | 4.30 | 2.05 | 76,320 |   |  
            | 1/24/2013 | +0.10 / +2.50% | 4.10 | 4.20 | 4.00 | 4.10 | 4.10 | 1.95 | 52,690 |   |  			
            | 1/23/2013 | 0.00 / 0.00% | 4.10 | 4.10 | 3.90 | 4.00 | 4.00 | 1.90 | 59,590 |   |  
            | 1/22/2013 | -0.30 / -6.98% | 4.20 | 4.20 | 4.00 | 4.00 | 4.00 | 1.90 | 144,550 |   |  			
            | 1/21/2013 | 0.00 / 0.00% | 4.30 | 4.30 | 4.10 | 4.30 | 4.30 | 2.05 | 100,100 |   |  
            | 1/18/2013 | -0.10 / -2.27% | 4.20 | 4.40 | 4.20 | 4.30 | 4.30 | 2.05 | 123,850 |   |  			
            | 1/17/2013 | -0.30 / -6.38% | 4.50 | 4.60 | 4.40 | 4.40 | 4.40 | 2.09 | 278,540 |   |  
            | 1/16/2013 | +0.30 / +6.82% | 4.60 | 4.70 | 4.40 | 4.70 | 4.70 | 2.24 | 196,590 |   |  			
            | 1/15/2013 | +0.20 / +4.76% | 4.20 | 4.40 | 4.20 | 4.40 | 4.40 | 2.09 | 265,940 |   |  
            | 1/14/2013 | -0.10 / -2.33% | 4.10 | 4.20 | 4.10 | 4.20 | 4.20 | 2.00 | 74,070 |   |  |