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                    Closing price on 8/1/2019
                 |  |  
    
        |           
                
                    | Open | 13.20 |  
                    | High | 13.20 |  
                    | Low | 12.90 |  
                    | Volume | 1,200 |  
                    | Split-adjusted Price | 8.32 |  
                
             | 
 |  BSL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/1/2019 | -0.40 / -3.01% | 13.20 | 13.20 | 12.90 | 12.90 | 12.95 | 8.32 | 1,200 |   |  
            | 7/31/2019 | +0.10 / +0.76% | 13.30 | 13.30 | 13.30 | 13.30 | 13.30 | 8.58 | 0 |   |  			
            | 7/30/2019 | +0.20 / +1.54% | 13.10 | 13.30 | 13.10 | 13.20 | 13.25 | 8.51 | 12,800 |   |  
            | 7/29/2019 | +0.10 / +0.78% | 13.00 | 13.10 | 13.00 | 13.00 | 13.01 | 8.38 | 26,300 |   |  			
            | 7/26/2019 | 0.00 / 0.00% | 12.90 | 13.00 | 12.80 | 13.00 | 12.90 | 8.38 | 8,700 |   |  
            | 7/25/2019 | +0.20 / +1.56% | 12.70 | 13.20 | 12.30 | 13.00 | 12.97 | 8.38 | 29,100 |   |  			
            | 7/24/2019 | -0.40 / -3.03% | 12.70 | 13.00 | 12.70 | 12.80 | 12.80 | 8.25 | 5,600 |   |  
            | 7/23/2019 | -0.10 / -0.75% | 13.30 | 13.30 | 13.20 | 13.20 | 13.20 | 8.51 | 54,800 |   |  			
            | 7/22/2019 | -0.20 / -1.48% | 13.60 | 13.60 | 13.20 | 13.30 | 13.40 | 8.58 | 17,200 |   |  
            | 7/19/2019 | 0.00 / 0.00% | 14.40 | 14.40 | 13.20 | 13.20 | 13.47 | 8.51 | 24,300 |   |  			
            | 7/18/2019 | +0.20 / +1.54% | 12.80 | 13.80 | 12.80 | 13.20 | 13.20 | 8.51 | 23,500 |   |  
            | 7/17/2019 | +1.20 / +10.17% | 13.10 | 13.10 | 11.70 | 13.00 | 12.67 | 8.38 | 18,900 |   |  			
            | 7/16/2019 | +0.60 / +5.36% | 11.50 | 11.80 | 11.20 | 11.80 | 11.40 | 7.61 | 127,700 |   |  
            | 7/15/2019 | +0.10 / +0.90% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 7.22 | 4,500 |   |  			
            | 7/12/2019 | -0.20 / -1.79% | 11.20 | 11.20 | 11.00 | 11.00 | 11.11 | 7.09 | 9,100 |   |  
            | 7/11/2019 | +0.20 / +1.82% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 7.22 | 1,100 |   |  			
            | 7/10/2019 | +0.50 / +4.76% | 10.50 | 11.00 | 10.50 | 11.00 | 10.60 | 7.09 | 2,500 |   |  
            | 7/9/2019 | 0.00 / 0.00% | 10.80 | 10.80 | 10.50 | 10.50 | 10.50 | 6.77 | 12,500 |   |  			
            | 7/8/2019 | 0.00 / 0.00% | 10.50 | 10.50 | 10.50 | 10.50 | 10.50 | 6.77 | 400 |   |  
            | 7/5/2019 | -0.50 / -4.55% | 10.50 | 10.50 | 10.50 | 10.50 | 10.50 | 6.77 | 1,500 |   |  			
            | 7/4/2019 | 0.00 / 0.00% | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 7.09 | 100 |   |  
            | 7/3/2019 | +1.50 / +15.79% | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 7.09 | 200 |   |  			
            | 7/2/2019 | -1.50 / -13.64% | 10.80 | 10.80 | 9.50 | 9.50 | 9.58 | 6.13 | 122,000 |   |  
            | 7/1/2019 | 0.00 / 0.00% | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 7.09 | 3,500 |   |  			
            | 6/28/2019 | 0.00 / 0.00% | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 7.09 | 100 |   |  
            | 6/27/2019 | +1.00 / +10.00% | 10.00 | 11.00 | 10.00 | 11.00 | 10.75 | 7.09 | 400 |   |  			
            | 6/26/2019 | -0.70 / -6.54% | 11.00 | 11.00 | 10.00 | 10.00 | 10.83 | 6.45 | 600 |   |  
            | 6/25/2019 | 0.00 / 0.00% | 10.70 | 10.80 | 10.70 | 10.70 | 10.77 | 6.90 | 700 |   |  			
            | 6/24/2019 | -0.30 / -2.73% | 10.00 | 10.90 | 10.00 | 10.70 | 10.77 | 6.90 | 9,100 |   |  
            | 6/21/2019 | -0.30 / -2.61% | 11.00 | 11.20 | 11.00 | 11.20 | 11.00 | 7.22 | 5,200 |   |  |