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            | 
                    Closing price on 11/28/2019
                 |  |  
    
        |           
                
                    | Open | 7.10 |  
                    | High | 7.10 |  
                    | Low | 6.98 |  
                    | Volume | 5,650 |  
                    | Split-adjusted Price | 4.63 |  
                
             | 
 |  BSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/28/2019 | -0.01 / -0.14% | 7.10 | 7.10 | 6.98 | 6.98 | 7.04 | 4.63 | 5,650 |   |  
            | 11/27/2019 | +0.01 / +0.14% | 6.80 | 7.00 | 6.80 | 6.99 | 6.90 | 4.64 | 13,970 |   |  			
            | 11/26/2019 | 0.00 / 0.00% | 6.98 | 6.98 | 6.80 | 6.98 | 6.92 | 4.63 | 10,690 |   |  
            | 11/25/2019 | -0.02 / -0.29% | 7.01 | 7.01 | 6.98 | 6.98 | 7.00 | 4.63 | 5,490 |   |  			
            | 11/22/2019 | 0.00 / 0.00% | 7.14 | 7.14 | 7.00 | 7.00 | 7.07 | 4.65 | 14,720 |   |  
            | 11/21/2019 | 0.00 / 0.00% | 7.15 | 7.15 | 7.00 | 7.00 | 7.00 | 4.65 | 2,570 |   |  			
            | 11/20/2019 | 0.00 / 0.00% | 6.98 | 7.06 | 6.98 | 7.00 | 7.00 | 4.65 | 13,430 |   |  
            | 11/19/2019 | -0.10 / -1.41% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 4.65 | 560 |   |  			
            | 11/18/2019 | 0.00 / 0.00% | 7.10 | 7.15 | 7.00 | 7.10 | 7.06 | 4.71 | 19,830 |   |  
            | 11/15/2019 | +0.01 / +0.14% | 7.09 | 7.15 | 7.09 | 7.10 | 7.11 | 4.71 | 11,680 |   |  			
            | 11/14/2019 | +0.14 / +2.01% | 6.95 | 7.09 | 6.95 | 7.09 | 7.05 | 4.71 | 23,540 |   |  
            | 11/13/2019 | +0.06 / +0.87% | 6.90 | 6.95 | 6.87 | 6.95 | 6.88 | 4.61 | 24,550 |   |  			
            | 11/12/2019 | -0.01 / -0.14% | 6.90 | 6.90 | 6.85 | 6.89 | 6.87 | 4.57 | 13,690 |   |  
            | 11/11/2019 | -0.05 / -0.72% | 6.95 | 6.95 | 6.90 | 6.90 | 6.93 | 4.58 | 2,500 |   |  			
            | 11/8/2019 | +0.10 / +1.46% | 6.85 | 7.00 | 6.85 | 6.95 | 6.91 | 4.61 | 45,280 |   |  
            | 11/7/2019 | -0.02 / -0.29% | 6.70 | 6.87 | 6.70 | 6.85 | 6.75 | 4.55 | 7,410 |   |  			
            | 11/6/2019 | +0.07 / +1.03% | 6.89 | 6.89 | 6.80 | 6.87 | 6.86 | 4.56 | 4,050 |   |  
            | 11/5/2019 | 0.00 / 0.00% | 6.80 | 6.80 | 6.71 | 6.80 | 6.78 | 4.51 | 10,030 |   |  			
            | 11/4/2019 | +0.01 / +0.15% | 6.62 | 6.83 | 6.62 | 6.80 | 6.73 | 4.51 | 2,970 |   |  
            | 11/1/2019 | -0.07 / -1.02% | 6.85 | 6.85 | 6.75 | 6.79 | 6.80 | 4.51 | 13,530 |   |  			
            | 10/31/2019 | 0.00 / 0.00% | 6.86 | 6.86 | 6.86 | 6.86 | 6.86 | 4.55 | 5,040 |   |  
            | 10/30/2019 | +0.15 / +2.24% | 6.88 | 6.88 | 6.60 | 6.86 | 6.68 | 4.55 | 27,100 |   |  			
            | 10/29/2019 | -0.02 / -0.30% | 6.88 | 6.88 | 6.67 | 6.71 | 6.73 | 4.45 | 9,960 |   |  
            | 10/28/2019 | -0.12 / -1.75% | 6.80 | 6.89 | 6.73 | 6.73 | 6.79 | 4.47 | 5,500 |   |  			
            | 10/25/2019 | +0.12 / +1.78% | 6.94 | 6.94 | 6.75 | 6.85 | 6.92 | 4.55 | 5,780 |   |  
            | 10/24/2019 | -0.17 / -2.46% | 6.72 | 6.90 | 6.72 | 6.73 | 6.77 | 4.47 | 11,310 |   |  			
            | 10/23/2019 | 0.00 / 0.00% | 6.94 | 6.94 | 6.76 | 6.90 | 6.91 | 4.58 | 2,460 |   |  
            | 10/22/2019 | +0.10 / +1.47% | 6.80 | 6.90 | 6.80 | 6.90 | 6.85 | 4.58 | 4,750 |   |  			
            | 10/21/2019 | +0.10 / +1.49% | 6.90 | 6.90 | 6.71 | 6.80 | 6.76 | 4.51 | 41,260 |   |  
            | 10/18/2019 | +0.10 / +1.52% | 6.90 | 6.90 | 6.70 | 6.70 | 6.80 | 4.45 | 13,590 |   |  |