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                    Closing price on 11/15/2021
                 |  |  
    
        |           
                
                    | Open | 18.00 |  
                    | High | 18.20 |  
                    | Low | 17.90 |  
                    | Volume | 44,400 |  
                    | Split-adjusted Price | 13.14 |  
                
             | 
 |  QTC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/15/2021 | 0.00 / 0.00% | 18.00 | 18.20 | 17.90 | 18.00 | 18.00 | 13.14 | 44,400 |   |  
            | 11/12/2021 | +0.10 / +0.56% | 17.60 | 18.00 | 17.50 | 18.00 | 17.92 | 13.14 | 2,400 |   |  			
            | 11/11/2021 | 0.00 / 0.00% | 17.50 | 17.90 | 17.50 | 17.90 | 17.57 | 13.06 | 7,000 |   |  
            | 11/10/2021 | +0.40 / +2.29% | 17.40 | 17.90 | 17.40 | 17.90 | 17.50 | 13.06 | 5,200 |   |  			
            | 11/9/2021 | -0.40 / -2.23% | 16.60 | 17.80 | 16.60 | 17.50 | 17.63 | 12.77 | 11,800 |   |  
            | 11/8/2021 | 0.00 / 0.00% | 16.60 | 17.90 | 16.60 | 17.90 | 16.62 | 13.06 | 7,400 |   |  			
            | 11/5/2021 | +0.20 / +1.13% | 17.70 | 18.00 | 17.70 | 17.90 | 17.93 | 13.06 | 9,200 |   |  
            | 11/4/2021 | +0.40 / +2.31% | 18.10 | 18.10 | 16.60 | 17.70 | 16.96 | 12.92 | 2,300 |   |  			
            | 11/3/2021 | -0.20 / -1.14% | 17.30 | 17.40 | 17.30 | 17.30 | 17.30 | 12.62 | 700 |   |  
            | 11/2/2021 | +0.80 / +4.79% | 16.70 | 17.50 | 16.70 | 17.50 | 16.78 | 12.77 | 27,600 |   |  			
            | 11/1/2021 | 0.00 / 0.00% | 16.70 | 16.70 | 16.50 | 16.70 | 16.67 | 12.19 | 1,500 |   |  
            | 10/29/2021 | 0.00 / 0.00% | 16.70 | 16.70 | 16.70 | 16.70 | 16.70 | 12.19 | 3,900 |   |  			
            | 10/28/2021 | 0.00 / 0.00% | 16.70 | 16.70 | 16.70 | 16.70 | 16.70 | 12.19 | 0 |   |  
            | 10/27/2021 | -0.30 / -1.76% | 16.70 | 16.70 | 16.70 | 16.70 | 16.70 | 12.19 | 1,000 |   |  			
            | 10/26/2021 | +0.30 / +1.80% | 16.70 | 17.00 | 16.70 | 17.00 | 16.94 | 12.41 | 8,500 |   |  
            | 10/25/2021 | +0.50 / +3.09% | 16.30 | 16.90 | 16.30 | 16.70 | 16.64 | 12.19 | 21,400 |   |  			
            | 10/22/2021 | 0.00 / 0.00% | 16.00 | 16.20 | 16.00 | 16.20 | 16.20 | 11.82 | 800 |   |  
            | 10/21/2021 | 0.00 / 0.00% | 16.20 | 16.20 | 16.20 | 16.20 | 16.20 | 11.82 | 6,600 |   |  			
            | 10/20/2021 | -0.10 / -0.61% | 16.20 | 16.20 | 16.20 | 16.20 | 16.20 | 11.82 | 200 |   |  
            | 10/19/2021 | +0.10 / +0.62% | 16.30 | 16.30 | 16.30 | 16.30 | 16.30 | 11.89 | 1,000 |   |  			
            | 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 |   |  |