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            | 
                    Closing price on 4/20/2020
                 |  |  
    
        |           
                
                    | Open | 6.40 |  
                    | High | 6.80 |  
                    | Low | 6.40 |  
                    | Volume | 1,900 |  
                    | Split-adjusted Price | 5.40 |  
                
             | 
 |  BLI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/20/2020 | +0.40 / +6.25% | 6.40 | 6.80 | 6.40 | 6.80 | 6.48 | 5.40 | 1,900 |   |  
            | 4/17/2020 | -0.30 / -4.48% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 5.08 | 1,400 |   |  			
            | 4/16/2020 | +0.40 / +6.35% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 5.32 | 100 |   |  
            | 4/15/2020 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 5.00 | 0 |   |  			
            | 4/14/2020 | -0.90 / -12.50% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 5.00 | 3,000 |   |  
            | 4/13/2020 | 0.00 / 0.00% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 5.72 | 0 |   |  			
            | 4/10/2020 | +0.40 / +5.88% | 7.10 | 7.20 | 7.10 | 7.20 | 7.17 | 5.72 | 300 |   |  
            | 4/9/2020 | +0.30 / +4.62% | 6.80 | 6.80 | 6.80 | 6.80 | 6.80 | 5.40 | 900 |   |  			
            | 4/8/2020 | 0.00 / 0.00% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 5.16 | 100 |   |  
            | 4/7/2020 | 0.00 / 0.00% | 6.20 | 6.50 | 6.10 | 6.50 | 6.13 | 5.16 | 10,500 |   |  			
            | 4/6/2020 | 0.00 / 0.00% | 6.20 | 6.50 | 6.10 | 6.50 | 6.18 | 5.16 | 3,200 |   |  
            | 4/3/2020 | 0.00 / 0.00% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 5.16 | 500 |   |  			
            | 4/1/2020 | +0.90 / +14.06% | 6.40 | 7.30 | 6.40 | 7.30 | 6.53 | 5.80 | 3,500 |   |  
            | 3/31/2020 | -0.20 / -3.03% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 5.08 | 900 |   |  			
            | 3/30/2020 | +0.10 / +1.54% | 6.30 | 6.60 | 6.20 | 6.60 | 6.39 | 5.24 | 4,500 |   |  
            | 3/27/2020 | 0.00 / 0.00% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 5.16 | 1,800 |   |  			
            | 3/26/2020 | -0.20 / -2.99% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 5.16 | 2,000 |   |  
            | 3/25/2020 | -0.10 / -1.47% | 6.20 | 6.70 | 6.20 | 6.70 | 6.58 | 5.32 | 400 |   |  			
            | 3/24/2020 | +0.30 / +4.62% | 6.50 | 6.80 | 6.00 | 6.80 | 6.49 | 5.40 | 10,200 |   |  
            | 3/23/2020 | -0.60 / -8.45% | 6.60 | 6.60 | 6.50 | 6.50 | 6.52 | 5.16 | 8,000 |   |  			
            | 3/20/2020 | -0.40 / -5.33% | 7.10 | 7.10 | 7.10 | 7.10 | 7.10 | 5.64 | 0 |   |  
            | 3/19/2020 | +0.70 / +10.29% | 6.70 | 7.60 | 6.70 | 7.50 | 7.08 | 5.96 | 10,100 |   |  			
            | 3/18/2020 | 0.00 / 0.00% | 6.80 | 6.80 | 6.80 | 6.80 | 6.80 | 5.40 | 0 |   |  
            | 3/17/2020 | -0.10 / -1.45% | 6.80 | 6.80 | 6.80 | 6.80 | 6.80 | 5.40 | 1,600 |   |  			
            | 3/16/2020 | +0.20 / +2.99% | 6.50 | 6.90 | 6.50 | 6.90 | 6.51 | 5.48 | 3,100 |   |  
            | 3/13/2020 | 0.00 / 0.00% | 6.50 | 6.90 | 6.50 | 6.90 | 6.73 | 5.48 | 7,700 |   |  			
            | 3/12/2020 | 0.00 / 0.00% | 7.10 | 7.10 | 6.40 | 6.90 | 6.92 | 5.48 | 9,500 |   |  
            | 3/11/2020 | -0.10 / -1.43% | 7.10 | 7.90 | 6.90 | 6.90 | 7.52 | 5.48 | 9,700 |   |  			
            | 3/10/2020 | -0.10 / -1.41% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 5.56 | 40 |   |  
            | 3/9/2020 | 0.00 / 0.00% | 7.10 | 7.10 | 6.70 | 7.10 | 7.03 | 5.64 | 34,300 |   |  |