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                    Closing price on 6/10/2022
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        |           
                
                    | Open | 8.70 |  
                    | High | 9.90 |  
                    | Low | 8.70 |  
                    | Volume | 3,600 |  
                    | Split-adjusted Price | 8.88 |  
                
             | 
 |  DTI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/10/2022 | -0.20 / -1.98% | 8.70 | 9.90 | 8.70 | 9.90 | 9.70 | 8.88 | 3,600 |   |  
            | 6/9/2022 | 0.00 / 0.00% | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | 9.06 | 0 |   |  			
            | 6/8/2022 | -1.30 / -12.04% | 11.00 | 11.00 | 9.50 | 9.50 | 10.10 | 8.52 | 2,800 |   |  
            | 6/7/2022 | +1.30 / +13.68% | 10.90 | 10.90 | 10.80 | 10.80 | 10.80 | 9.69 | 500 |   |  			
            | 6/6/2022 | -1.50 / -13.64% | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 8.52 | 2,000 |   |  
            | 6/3/2022 | +0.60 / +5.77% | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 9.87 | 100 |   |  			
            | 6/2/2022 | -1.50 / -13.89% | 10.80 | 11.30 | 9.30 | 9.30 | 10.40 | 8.34 | 1,400 |   |  
            | 6/1/2022 | +1.40 / +14.29% | 10.70 | 11.20 | 10.50 | 11.20 | 10.80 | 10.05 | 5,300 |   |  			
            | 5/31/2022 | +0.10 / +0.94% | 11.00 | 11.00 | 9.30 | 10.70 | 9.80 | 9.60 | 600 |   |  
            | 5/30/2022 | +0.10 / +0.96% | 10.70 | 10.70 | 10.50 | 10.50 | 10.60 | 9.42 | 200 |   |  			
            | 5/27/2022 | +0.10 / +0.88% | 9.80 | 11.50 | 9.80 | 11.50 | 10.40 | 10.32 | 300 |   |  
            | 5/26/2022 | +0.70 / +6.54% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 10.23 | 100 |   |  			
            | 5/25/2022 | 0.00 / 0.00% | 9.10 | 11.60 | 9.10 | 10.70 | 10.70 | 9.60 | 7,800 |   |  
            | 5/24/2022 | -0.10 / -0.93% | 10.70 | 10.70 | 10.70 | 10.70 | 10.70 | 9.60 | 100 |   |  			
            | 5/23/2022 | -0.20 / -1.85% | 10.90 | 10.90 | 10.60 | 10.60 | 10.80 | 9.51 | 400 |   |  
            | 5/20/2022 | +0.30 / +2.78% | 10.70 | 11.40 | 10.70 | 11.10 | 10.80 | 9.96 | 1,700 |   |  			
            | 5/19/2022 | +0.60 / +5.56% | 10.70 | 11.60 | 10.70 | 11.40 | 10.80 | 10.23 | 2,800 |   |  
            | 5/18/2022 | +0.90 / +9.09% | 10.90 | 10.90 | 10.80 | 10.80 | 10.80 | 9.69 | 300 |   |  			
            | 5/17/2022 | +1.30 / +14.61% | 8.90 | 10.20 | 8.90 | 10.20 | 9.90 | 9.15 | 14,700 |   |  
            | 5/16/2022 | +0.90 / +11.11% | 7.00 | 9.10 | 7.00 | 9.00 | 8.90 | 8.07 | 2,300 |   |  			
            | 5/13/2022 | -1.10 / -12.09% | 9.10 | 9.10 | 8.00 | 8.00 | 8.10 | 7.18 | 6,500 |   |  
            | 5/12/2022 | 0.00 / 0.00% | 9.80 | 10.90 | 8.50 | 9.80 | 9.10 | 8.79 | 14,600 |   |  			
            | 5/11/2022 | -1.40 / -12.73% | 11.00 | 11.00 | 9.60 | 9.60 | 9.80 | 8.61 | 2,700 |   |  
            | 5/10/2022 | -0.50 / -4.35% | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 9.87 | 6,000 |   |  			
            | 5/9/2022 | -2.00 / -14.81% | 11.60 | 11.60 | 11.50 | 11.50 | 11.50 | 10.32 | 13,800 |   |  
            | 5/6/2022 | 0.00 / 0.00% | 13.50 | 13.50 | 13.50 | 13.50 | 13.50 | 12.11 | 0 |   |  			
            | 5/5/2022 | 0.00 / 0.00% | 13.40 | 13.80 | 13.40 | 13.50 | 13.50 | 12.11 | 3,600 |   |  
            | 5/4/2022 | +1.50 / +12.50% | 13.50 | 13.50 | 13.50 | 13.50 | 13.50 | 12.11 | 100 |   |  			
            | 4/29/2022 | -1.50 / -11.19% | 12.10 | 12.10 | 11.60 | 11.90 | 12.00 | 10.68 | 5,300 |   |  
            | 4/28/2022 | -1.50 / -10.87% | 13.50 | 13.50 | 12.30 | 12.30 | 13.40 | 11.03 | 10,100 |   |  |