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                    Closing price on 4/7/2022
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                    | Open | 17.80 |  
                    | High | 17.80 |  
                    | Low | 17.80 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 14.01 |  
                
             | 
 |  QTC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/7/2022 | 0.00 / 0.00% | 17.80 | 17.80 | 17.80 | 17.80 | 17.80 | 14.01 | 0 |   |  
            | 4/6/2022 | 0.00 / 0.00% | 17.80 | 17.80 | 17.80 | 17.80 | 17.80 | 14.01 | 0 |   |  			
            | 4/5/2022 | -0.20 / -1.11% | 17.70 | 17.80 | 17.70 | 17.80 | 17.71 | 14.01 | 1,100 |   |  
            | 4/4/2022 | +0.20 / +1.12% | 16.30 | 18.00 | 16.30 | 18.00 | 17.15 | 14.17 | 200 |   |  			
            | 4/1/2022 | +0.50 / +2.89% | 17.60 | 17.80 | 17.60 | 17.80 | 17.80 | 14.01 | 4,600 |   |  
            | 3/31/2022 | +1.00 / +6.13% | 17.10 | 17.30 | 17.10 | 17.30 | 17.28 | 13.62 | 6,900 |   |  			
            | 3/30/2022 | 0.00 / 0.00% | 16.30 | 16.30 | 16.30 | 16.30 | 16.30 | 12.83 | 0 |   |  
            | 3/29/2022 | +0.10 / +0.62% | 16.30 | 16.30 | 16.30 | 16.30 | 16.30 | 12.83 | 800 |   |  			
            | 3/28/2022 | -1.30 / -7.43% | 17.40 | 17.40 | 15.90 | 16.20 | 16.16 | 12.75 | 4,100 |   |  
            | 3/25/2022 | 0.00 / 0.00% | 17.50 | 17.50 | 17.50 | 17.50 | 17.50 | 13.77 | 0 |   |  			
            | 3/24/2022 | +0.50 / +2.94% | 16.60 | 17.50 | 16.60 | 17.50 | 16.61 | 13.77 | 6,100 |   |  
            | 3/23/2022 | 0.00 / 0.00% | 17.00 | 17.00 | 17.00 | 17.00 | 17.00 | 13.38 | 0 |   |  			
            | 3/22/2022 | 0.00 / 0.00% | 17.00 | 17.00 | 17.00 | 17.00 | 17.00 | 13.38 | 2,800 |   |  
            | 3/21/2022 | 0.00 / 0.00% | 17.00 | 17.00 | 17.00 | 17.00 | 17.00 | 13.38 | 0 |   |  			
            | 3/18/2022 | +0.20 / +1.19% | 16.90 | 17.00 | 16.80 | 17.00 | 16.87 | 13.38 | 6,100 |   |  
            | 3/17/2022 | +0.20 / +1.20% | 16.80 | 16.80 | 16.80 | 16.80 | 16.80 | 13.22 | 19,800 |   |  			
            | 3/16/2022 | +0.10 / +0.61% | 16.50 | 16.60 | 16.50 | 16.60 | 16.59 | 13.06 | 5,200 |   |  
            | 3/15/2022 | -1.00 / -5.71% | 16.50 | 16.50 | 16.50 | 16.50 | 16.50 | 12.99 | 100 |   |  			
            | 3/14/2022 | 0.00 / 0.00% | 17.50 | 17.50 | 17.50 | 17.50 | 17.50 | 13.77 | 0 |   |  
            | 3/11/2022 | -1.30 / -6.91% | 18.80 | 18.80 | 17.50 | 17.50 | 17.81 | 13.77 | 3,200 |   |  			
            | 3/10/2022 | +0.80 / +4.44% | 18.80 | 18.80 | 18.80 | 18.80 | 18.80 | 14.80 | 100 |   |  
            | 3/9/2022 | 0.00 / 0.00% | 18.00 | 18.00 | 18.00 | 18.00 | 18.00 | 14.17 | 0 |   |  			
            | 3/8/2022 | 0.00 / 0.00% | 18.00 | 18.00 | 18.00 | 18.00 | 18.00 | 14.17 | 5,000 |   |  
            | 3/7/2022 | +0.50 / +2.86% | 17.50 | 18.00 | 17.50 | 18.00 | 17.98 | 14.17 | 17,000 |   |  			
            | 3/4/2022 | +0.50 / +2.94% | 15.30 | 17.50 | 15.30 | 17.50 | 17.15 | 13.77 | 8,800 |   |  
            | 3/3/2022 | +0.30 / +1.80% | 17.00 | 17.00 | 17.00 | 17.00 | 17.00 | 13.38 | 1,500 |   |  			
            | 3/2/2022 | +0.10 / +0.60% | 16.70 | 17.00 | 16.70 | 16.70 | 16.71 | 13.14 | 4,700 |   |  
            | 3/1/2022 | 0.00 / 0.00% | 16.60 | 16.60 | 16.60 | 16.60 | 16.60 | 13.06 | 4,900 |   |  			
            | 2/28/2022 | +0.10 / +0.61% | 16.50 | 16.60 | 16.50 | 16.60 | 16.60 | 13.06 | 3,600 |   |  
            | 2/25/2022 | -0.30 / -1.79% | 18.00 | 18.00 | 16.50 | 16.50 | 16.71 | 12.99 | 700 |   |  |