| 
    
        
            | 
                    Closing price on 1/31/2013
                 |  |  
    
        |           
                
                    | Open | 4.10 |  
                    | High | 4.20 |  
                    | Low | 4.10 |  
                    | Volume | 18,130 |  
                    | Split-adjusted Price | 1.95 |  
                
             | 
 |  BSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 1/11/2013 | 0.00 / 0.00% | 4.30 | 4.30 | 4.10 | 4.30 | 4.30 | 2.05 | 99,620 |   |  
            | 1/10/2013 | +0.20 / +4.88% | 4.00 | 4.30 | 3.90 | 4.30 | 4.30 | 2.05 | 94,680 |   |  			
            | 1/9/2013 | -0.20 / -4.65% | 4.30 | 4.40 | 4.10 | 4.10 | 4.10 | 1.95 | 422,800 |   |  
            | 1/8/2013 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.30 | 4.30 | 2.05 | 203,170 |   |  			
            | 1/7/2013 | -0.10 / -2.27% | 4.40 | 4.50 | 4.30 | 4.30 | 4.30 | 2.05 | 124,550 |   |  
            | 1/4/2013 | +0.20 / +4.76% | 4.30 | 4.40 | 4.20 | 4.40 | 4.40 | 2.09 | 264,650 |   |  			
            | 1/3/2013 | +0.20 / +5.00% | 4.20 | 4.20 | 4.10 | 4.20 | 4.20 | 2.00 | 694,050 |   |  
            | 1/2/2013 | +0.10 / +2.56% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 1.90 | 13,820 |   |  			
            | 12/28/2012 | +0.10 / +2.63% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 1.86 | 21,580 |   |  
            | 12/27/2012 | +0.10 / +2.70% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 1.81 | 15,680 |   |  			
            | 12/26/2012 | +0.10 / +2.78% | 3.70 | 3.70 | 3.60 | 3.70 | 3.70 | 1.76 | 71,220 |   |  
            | 12/25/2012 | +0.10 / +2.86% | 3.50 | 3.60 | 3.50 | 3.60 | 3.60 | 1.71 | 146,230 |   |  			
            | 12/24/2012 | +0.10 / +2.94% | 3.40 | 3.50 | 3.30 | 3.50 | 3.50 | 1.67 | 104,160 |   |  
            | 12/21/2012 | 0.00 / 0.00% | 3.30 | 3.50 | 3.30 | 3.40 | 3.40 | 1.62 | 98,600 |   |  			
            | 12/20/2012 | 0.00 / 0.00% | 3.40 | 3.50 | 3.40 | 3.40 | 3.40 | 1.62 | 87,560 |   |  
            | 12/19/2012 | -0.10 / -2.86% | 3.40 | 3.50 | 3.40 | 3.40 | 3.40 | 1.62 | 92,910 |   |  |