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                    Closing price on 9/28/2021
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        |           
                
                    | Open | 15.70 |  
                    | High | 15.70 |  
                    | Low | 15.70 |  
                    | Volume | 6,900 |  
                    | Split-adjusted Price | 11.46 |  
                
             | 
 |  QTC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 9/6/2021 | 0.00 / 0.00% | 15.00 | 15.20 | 14.70 | 15.00 | 14.92 | 10.95 | 6,100 |   |  
            | 9/1/2021 | 0.00 / 0.00% | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 10.95 | 0 |   |  			
            | 8/31/2021 | 0.00 / 0.00% | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 10.95 | 0 |   |  
            | 8/30/2021 | 0.00 / 0.00% | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 10.95 | 1,500 |   |  			
            | 8/27/2021 | 0.00 / 0.00% | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 10.95 | 1,300 |   |  
            | 8/26/2021 | 0.00 / 0.00% | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 10.95 | 0 |   |  			
            | 8/25/2021 | 0.00 / 0.00% | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 10.95 | 0 |   |  
            | 8/24/2021 | 0.00 / 0.00% | 14.70 | 15.00 | 14.70 | 15.00 | 15.00 | 10.95 | 600 |   |  			
            | 8/23/2021 | +0.50 / +3.45% | 14.80 | 15.00 | 14.80 | 15.00 | 15.00 | 10.95 | 14,600 |   |  
            | 8/20/2021 | -0.20 / -1.36% | 14.70 | 14.80 | 14.50 | 14.50 | 14.59 | 10.58 | 6,100 |   |  			
            | 8/19/2021 | 0.00 / 0.00% | 14.70 | 14.70 | 14.70 | 14.70 | 14.70 | 10.73 | 100 |   |  
            | 8/18/2021 | +0.10 / +0.68% | 14.50 | 14.70 | 14.50 | 14.70 | 14.65 | 10.73 | 4,300 |   |  			
            | 8/17/2021 | -0.20 / -1.35% | 14.60 | 14.60 | 14.50 | 14.60 | 14.60 | 10.65 | 13,000 |   |  
            | 8/16/2021 | +0.40 / +2.78% | 14.50 | 14.80 | 14.50 | 14.80 | 14.76 | 10.80 | 2,100 |   |  |