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                    Closing price on 11/8/2019
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                    | Open | 3.00 |  
                    | High | 3.00 |  
                    | Low | 2.92 |  
                    | Volume | 2,260 |  
                    | Split-adjusted Price | 2.92 |  
                
             | 
 |  QBS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/8/2019 | +0.04 / +1.39% | 3.00 | 3.00 | 2.92 | 2.92 | 2.96 | 2.92 | 2,260 |   |  
            | 11/7/2019 | -0.03 / -1.03% | 2.98 | 2.98 | 2.88 | 2.88 | 2.93 | 2.88 | 1,270 |   |  			
            | 11/6/2019 | -0.10 / -3.32% | 3.01 | 3.01 | 2.91 | 2.91 | 2.96 | 2.91 | 8,770 |   |  
            | 11/5/2019 | +0.11 / +3.79% | 2.92 | 3.02 | 2.87 | 3.01 | 2.94 | 3.01 | 53,720 |   |  			
            | 11/4/2019 | -0.10 / -3.33% | 2.96 | 2.96 | 2.85 | 2.90 | 2.91 | 2.90 | 94,810 |   |  
            | 11/1/2019 | -0.03 / -0.99% | 3.03 | 3.04 | 2.88 | 3.00 | 2.95 | 3.00 | 32,930 |   |  			
            | 10/31/2019 | +0.13 / +4.48% | 2.88 | 3.03 | 2.85 | 3.03 | 2.93 | 3.03 | 100,240 |   |  
            | 10/30/2019 | -0.01 / -0.34% | 2.85 | 3.06 | 2.85 | 2.90 | 3.03 | 2.90 | 9,890 |   |  			
            | 10/29/2019 | -0.15 / -4.90% | 2.98 | 3.06 | 2.86 | 2.91 | 2.93 | 2.91 | 153,160 |   |  
            | 10/28/2019 | -0.01 / -0.33% | 3.07 | 3.07 | 2.98 | 3.06 | 2.99 | 3.06 | 5,020 |   |  			
            | 10/25/2019 | 0.00 / 0.00% | 3.01 | 3.07 | 3.00 | 3.07 | 3.06 | 3.07 | 14,400 |   |  
            | 10/24/2019 | +0.06 / +1.99% | 3.01 | 3.07 | 3.00 | 3.07 | 3.01 | 3.07 | 8,980 |   |  			
            | 10/23/2019 | -0.09 / -2.90% | 3.01 | 3.01 | 3.01 | 3.01 | 3.01 | 3.01 | 1,000 |   |  
            | 10/22/2019 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.05 | 3.10 | 32,130 |   |  			
            | 10/21/2019 | -0.02 / -0.64% | 3.07 | 3.10 | 3.06 | 3.10 | 3.08 | 3.10 | 9,510 |   |  
            | 10/18/2019 | 0.00 / 0.00% | 3.08 | 3.12 | 3.08 | 3.12 | 3.11 | 3.12 | 85,580 |   |  			
            | 10/17/2019 | +0.02 / +0.65% | 3.13 | 3.13 | 3.08 | 3.12 | 3.11 | 3.12 | 11,900 |   |  
            | 10/16/2019 | -0.03 / -0.96% | 3.13 | 3.13 | 3.10 | 3.10 | 3.12 | 3.10 | 70,090 |   |  			
            | 10/15/2019 | 0.00 / 0.00% | 3.08 | 3.13 | 3.06 | 3.13 | 3.11 | 3.13 | 36,050 |   |  
            | 10/14/2019 | +0.08 / +2.62% | 3.10 | 3.13 | 3.03 | 3.13 | 3.12 | 3.13 | 78,550 |   |  			
            | 10/11/2019 | -0.09 / -2.87% | 3.15 | 3.15 | 3.05 | 3.05 | 3.05 | 3.05 | 7,210 |   |  
            | 10/10/2019 | +0.10 / +3.29% | 3.13 | 3.14 | 3.02 | 3.14 | 3.11 | 3.14 | 64,670 |   |  			
            | 10/9/2019 | -0.09 / -2.88% | 3.13 | 3.13 | 3.04 | 3.04 | 3.12 | 3.04 | 62,780 |   |  
            | 10/8/2019 | +0.02 / +0.64% | 3.10 | 3.13 | 3.10 | 3.13 | 3.11 | 3.13 | 118,210 |   |  			
            | 10/7/2019 | 0.00 / 0.00% | 3.12 | 3.12 | 3.00 | 3.11 | 3.08 | 3.11 | 43,450 |   |  
            | 10/4/2019 | -0.01 / -0.32% | 3.12 | 3.12 | 3.06 | 3.11 | 3.10 | 3.11 | 3,080 |   |  			
            | 10/3/2019 | +0.10 / +3.31% | 3.08 | 3.13 | 3.02 | 3.12 | 3.11 | 3.12 | 75,300 |   |  
            | 10/2/2019 | +0.04 / +1.34% | 3.04 | 3.15 | 3.00 | 3.02 | 3.07 | 3.02 | 216,950 |   |  			
            | 10/1/2019 | 0.00 / 0.00% | 2.97 | 3.05 | 2.97 | 2.98 | 3.00 | 2.98 | 34,310 |   |  
            | 9/30/2019 | +0.02 / +0.68% | 3.02 | 3.09 | 2.96 | 2.98 | 3.02 | 2.98 | 111,860 |   |  |