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                    Closing price on 10/18/2021
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        |           
                
                    | Open | 16.20 |  
                    | High | 16.20 |  
                    | Low | 16.20 |  
                    | Volume | 2,000 |  
                    | Split-adjusted Price | 11.82 |  
                
             | 
 |  QTC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/18/2021 | +0.20 / +1.25% | 16.20 | 16.20 | 16.20 | 16.20 | 16.20 | 11.82 | 2,000 |   |  
            | 10/15/2021 | -0.50 / -3.03% | 16.40 | 16.40 | 16.00 | 16.00 | 16.00 | 11.68 | 1,000 |   |  			
            | 10/14/2021 | 0.00 / 0.00% | 16.50 | 16.50 | 16.50 | 16.50 | 16.50 | 12.04 | 0 |   |  
            | 10/13/2021 | +0.30 / +1.85% | 16.20 | 16.50 | 16.20 | 16.50 | 16.35 | 12.04 | 6,300 |   |  			
            | 10/12/2021 | 0.00 / 0.00% | 16.30 | 16.30 | 16.20 | 16.20 | 16.25 | 11.82 | 3,200 |   |  
            | 10/11/2021 | -0.30 / -1.82% | 16.50 | 16.50 | 16.20 | 16.20 | 16.28 | 11.82 | 4,300 |   |  			
            | 10/8/2021 | 0.00 / 0.00% | 16.50 | 16.50 | 16.50 | 16.50 | 16.50 | 12.04 | 0 |   |  
            | 10/7/2021 | -0.10 / -0.60% | 16.50 | 16.50 | 16.50 | 16.50 | 16.50 | 12.04 | 800 |   |  			
            | 10/6/2021 | 0.00 / 0.00% | 16.60 | 16.60 | 16.60 | 16.60 | 16.60 | 12.11 | 0 |   |  
            | 10/5/2021 | +0.10 / +0.61% | 16.50 | 16.60 | 16.50 | 16.60 | 16.60 | 12.11 | 6,600 |   |  			
            | 10/4/2021 | 0.00 / 0.00% | 16.50 | 16.50 | 16.50 | 16.50 | 16.50 | 12.04 | 0 |   |  
            | 10/1/2021 | 0.00 / 0.00% | 16.50 | 16.50 | 16.50 | 16.50 | 16.50 | 12.04 | 200 |   |  			
            | 9/30/2021 | 0.00 / 0.00% | 16.50 | 16.50 | 16.50 | 16.50 | 16.50 | 12.04 | 200 |   |  
            | 9/29/2021 | +0.80 / +5.10% | 15.70 | 16.50 | 15.70 | 16.50 | 16.35 | 12.04 | 23,300 |   |  			
            | 9/28/2021 | -0.30 / -1.88% | 15.70 | 15.70 | 15.70 | 15.70 | 15.70 | 11.46 | 6,900 |   |  
            | 9/27/2021 | 0.00 / 0.00% | 16.00 | 16.00 | 16.00 | 16.00 | 16.00 | 11.68 | 28,700 |   |  			
            | 9/24/2021 | 0.00 / 0.00% | 16.40 | 16.40 | 16.00 | 16.00 | 16.00 | 11.68 | 2,500 |   |  
            | 9/23/2021 | +0.10 / +0.63% | 16.00 | 16.40 | 16.00 | 16.00 | 16.36 | 11.68 | 2,200 |   |  			
            | 9/22/2021 | 0.00 / 0.00% | 15.90 | 15.90 | 15.90 | 15.90 | 15.90 | 11.60 | 0 |   |  
            | 9/21/2021 | +0.20 / +1.27% | 15.80 | 15.90 | 15.80 | 15.90 | 15.90 | 11.60 | 1,000 |   |  			
            | 9/20/2021 | 0.00 / 0.00% | 15.70 | 15.70 | 15.70 | 15.70 | 15.70 | 11.46 | 0 |   |  
            | 9/17/2021 | 0.00 / 0.00% | 15.80 | 15.80 | 15.70 | 15.70 | 15.80 | 11.46 | 300 |   |  			
            | 9/16/2021 | 0.00 / 0.00% | 15.70 | 15.70 | 15.70 | 15.70 | 15.70 | 11.46 | 0 |   |  
            | 9/15/2021 | +0.30 / +1.95% | 15.50 | 15.70 | 15.50 | 15.70 | 15.50 | 11.46 | 400 |   |  			
            | 9/14/2021 | +0.10 / +0.65% | 15.40 | 15.50 | 15.40 | 15.40 | 15.50 | 11.24 | 16,000 |   |  
            | 9/13/2021 | 0.00 / 0.00% | 15.30 | 15.30 | 15.30 | 15.30 | 15.30 | 11.16 | 0 |   |  			
            | 9/10/2021 | +0.10 / +0.66% | 15.30 | 15.30 | 15.30 | 15.30 | 15.30 | 11.16 | 400 |   |  
            | 9/9/2021 | 0.00 / 0.00% | 15.20 | 15.20 | 15.20 | 15.20 | 15.20 | 11.09 | 4,600 |   |  			
            | 9/8/2021 | 0.00 / 0.00% | 15.30 | 15.30 | 15.20 | 15.20 | 15.21 | 11.09 | 7,100 |   |  
            | 9/7/2021 | +0.20 / +1.33% | 15.20 | 15.20 | 15.20 | 15.20 | 15.20 | 11.09 | 10,300 |   |  |