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            | 
                    Closing price on 2/26/2019
                 |  |  
    
        |           
                
                    | Open | 10.30 |  
                    | High | 10.30 |  
                    | Low | 10.10 |  
                    | Volume | 40,970 |  
                    | Split-adjusted Price | 5.65 |  
                
             | 
 |  BSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/26/2019 | +0.10 / +0.99% | 10.30 | 10.30 | 10.10 | 10.20 | 10.23 | 5.65 | 40,970 |   |  
            | 2/25/2019 | -0.10 / -0.98% | 10.20 | 10.30 | 10.10 | 10.10 | 10.17 | 5.60 | 38,630 |   |  			
            | 2/22/2019 | 0.00 / 0.00% | 10.20 | 10.30 | 10.15 | 10.20 | 10.22 | 5.65 | 10,960 |   |  
            | 2/21/2019 | +0.10 / +0.99% | 10.20 | 10.20 | 10.00 | 10.20 | 10.20 | 5.65 | 17,060 |   |  			
            | 2/20/2019 | +0.40 / +4.12% | 9.50 | 10.20 | 9.50 | 10.10 | 9.99 | 5.60 | 67,500 |   |  
            | 2/19/2019 | -0.10 / -1.02% | 9.90 | 9.90 | 9.70 | 9.70 | 9.78 | 5.37 | 8,080 |   |  			
            | 2/18/2019 | +0.17 / +1.77% | 9.63 | 10.00 | 9.61 | 9.80 | 9.72 | 5.43 | 20,270 |   |  
            | 2/15/2019 | +0.23 / +2.45% | 9.40 | 9.70 | 9.40 | 9.63 | 9.51 | 5.34 | 14,830 |   |  			
            | 2/14/2019 | +0.10 / +1.08% | 9.40 | 9.60 | 9.40 | 9.40 | 9.40 | 5.21 | 8,510 |   |  
            | 2/13/2019 | 0.00 / 0.00% | 9.32 | 9.40 | 8.98 | 9.30 | 9.25 | 5.15 | 20,750 |   |  			
            | 2/12/2019 | +0.09 / +0.98% | 9.40 | 9.40 | 9.20 | 9.30 | 9.22 | 5.15 | 21,920 |   |  
            | 2/11/2019 | +0.02 / +0.22% | 9.40 | 9.40 | 9.21 | 9.21 | 9.31 | 5.10 | 3,180 |   |  			
            | 2/1/2019 | 0.00 / 0.00% | 9.40 | 9.40 | 9.19 | 9.19 | 9.30 | 5.09 | 5,230 |   |  
            | 1/31/2019 | +0.09 / +0.99% | 9.30 | 9.30 | 9.10 | 9.19 | 9.16 | 5.09 | 2,510 |   |  			
            | 1/30/2019 | 0.00 / 0.00% | 9.29 | 9.29 | 9.00 | 9.10 | 9.02 | 5.04 | 6,430 |   |  
            | 1/29/2019 | 0.00 / 0.00% | 9.15 | 9.40 | 9.10 | 9.10 | 9.16 | 5.04 | 5,460 |   |  			
            | 1/28/2019 | -0.20 / -2.15% | 9.40 | 9.40 | 9.10 | 9.10 | 9.25 | 5.04 | 1,040 |   |  
            | 1/25/2019 | +0.20 / +2.20% | 9.30 | 9.30 | 9.10 | 9.30 | 9.12 | 5.15 | 10,200 |   |  			
            | 1/24/2019 | -0.10 / -1.09% | 9.10 | 9.10 | 9.00 | 9.10 | 9.08 | 5.04 | 34,350 |   |  
            | 1/23/2019 | 0.00 / 0.00% | 9.30 | 9.30 | 8.90 | 9.20 | 9.01 | 5.10 | 22,970 |   |  			
            | 1/22/2019 | 0.00 / 0.00% | 9.02 | 9.50 | 9.00 | 9.20 | 9.03 | 5.10 | 37,670 |   |  
            | 1/21/2019 | -0.50 / -5.15% | 9.51 | 9.79 | 9.20 | 9.20 | 9.30 | 5.10 | 21,510 |   |  			
            | 1/18/2019 | 0.00 / 0.00% | 9.90 | 9.90 | 9.60 | 9.70 | 9.73 | 5.37 | 26,210 |   |  
            | 1/17/2019 | -0.20 / -2.02% | 10.00 | 10.00 | 9.66 | 9.70 | 9.70 | 5.37 | 11,030 |   |  			
            | 1/16/2019 | +0.20 / +2.06% | 9.80 | 9.90 | 9.70 | 9.90 | 9.79 | 5.48 | 21,350 |   |  
            | 1/15/2019 | +0.05 / +0.52% | 9.70 | 9.90 | 9.65 | 9.70 | 9.70 | 5.37 | 29,890 |   |  			
            | 1/14/2019 | -0.35 / -3.50% | 9.90 | 9.90 | 9.65 | 9.65 | 9.77 | 5.35 | 3,890 |   |  
            | 1/11/2019 | +0.15 / +1.52% | 9.85 | 10.00 | 9.85 | 10.00 | 9.93 | 5.54 | 670 |   |  			
            | 1/10/2019 | -0.15 / -1.50% | 10.00 | 10.00 | 9.85 | 9.85 | 9.93 | 5.46 | 1,360 |   |  
            | 1/9/2019 | 0.00 / 0.00% | 10.20 | 10.20 | 9.96 | 10.00 | 9.98 | 5.54 | 19,930 |   |  |