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                    Closing price on 8/13/2021
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                    | Open | 2.10 |  
                    | High | 2.10 |  
                    | Low | 2.00 |  
                    | Volume | 52,200 |  
                    | Split-adjusted Price | 2.00 |  
                
             | 
 |  SDP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/13/2021 | 0.00 / 0.00% | 2.10 | 2.10 | 2.00 | 2.00 | 2.00 | 2.00 | 52,200 |   |  
            | 8/12/2021 | +0.10 / +5.00% | 2.10 | 2.10 | 2.00 | 2.10 | 2.00 | 2.10 | 48,200 |   |  			
            | 8/11/2021 | +0.10 / +5.00% | 2.10 | 2.10 | 2.00 | 2.10 | 2.00 | 2.10 | 88,100 |   |  
            | 8/10/2021 | 0.00 / 0.00% | 2.10 | 2.10 | 2.00 | 2.10 | 2.00 | 2.10 | 51,800 |   |  			
            | 8/9/2021 | 0.00 / 0.00% | 2.10 | 2.10 | 2.00 | 2.10 | 2.10 | 2.10 | 11,100 |   |  
            | 8/6/2021 | +0.10 / +4.76% | 2.20 | 2.30 | 2.00 | 2.20 | 2.10 | 2.20 | 44,400 |   |  			
            | 8/5/2021 | +0.20 / +10.00% | 2.00 | 2.30 | 2.00 | 2.20 | 2.10 | 2.20 | 94,900 |   |  
            | 8/4/2021 | +0.10 / +5.00% | 2.00 | 2.10 | 1.90 | 2.10 | 2.00 | 2.10 | 58,400 |   |  			
            | 8/3/2021 | 0.00 / 0.00% | 2.00 | 2.00 | 1.90 | 2.00 | 2.00 | 2.00 | 25,200 |   |  
            | 8/2/2021 | 0.00 / 0.00% | 1.90 | 2.00 | 1.90 | 2.00 | 2.00 | 2.00 | 15,500 |   |  			
            | 7/30/2021 | 0.00 / 0.00% | 1.90 | 2.00 | 1.90 | 2.00 | 2.00 | 2.00 | 12,500 |   |  
            | 7/29/2021 | 0.00 / 0.00% | 1.90 | 2.00 | 1.90 | 2.00 | 2.00 | 2.00 | 22,700 |   |  			
            | 7/28/2021 | -0.10 / -5.00% | 2.10 | 2.10 | 1.90 | 1.90 | 2.00 | 1.90 | 12,900 |   |  
            | 7/27/2021 | 0.00 / 0.00% | 2.00 | 2.10 | 2.00 | 2.00 | 2.00 | 2.00 | 36,400 |   |  			
            | 7/26/2021 | +0.10 / +5.26% | 2.00 | 2.10 | 1.90 | 2.00 | 2.00 | 2.00 | 77,300 |   |  
            | 7/23/2021 | 0.00 / 0.00% | 1.90 | 2.00 | 1.90 | 2.00 | 1.90 | 2.00 | 30,700 |   |  			
            | 7/22/2021 | 0.00 / 0.00% | 2.00 | 2.10 | 1.90 | 2.00 | 2.00 | 2.00 | 16,700 |   |  
            | 7/21/2021 | +0.10 / +5.00% | 2.10 | 2.10 | 2.00 | 2.10 | 2.00 | 2.10 | 18,700 |   |  			
            | 7/20/2021 | +0.10 / +5.00% | 2.00 | 2.10 | 2.00 | 2.10 | 2.00 | 2.10 | 25,600 |   |  
            | 7/19/2021 | -0.10 / -4.76% | 2.10 | 2.10 | 2.00 | 2.00 | 2.00 | 2.00 | 21,300 |   |  			
            | 7/16/2021 | -0.10 / -4.55% | 2.20 | 2.20 | 2.10 | 2.10 | 2.10 | 2.10 | 6,000 |   |  
            | 7/15/2021 | +0.10 / +4.76% | 2.00 | 2.20 | 1.90 | 2.20 | 2.20 | 2.20 | 130,900 |   |  			
            | 7/14/2021 | -0.10 / -4.55% | 2.20 | 2.20 | 2.00 | 2.10 | 2.10 | 2.10 | 14,700 |   |  
            | 7/13/2021 | +0.20 / +10.00% | 2.00 | 2.20 | 2.00 | 2.20 | 2.20 | 2.20 | 37,200 |   |  			
            | 7/12/2021 | -0.20 / -9.09% | 2.10 | 2.10 | 1.90 | 2.00 | 2.00 | 2.00 | 79,900 |   |  
            | 7/9/2021 | 0.00 / 0.00% | 2.20 | 2.30 | 2.10 | 2.30 | 2.20 | 2.30 | 59,300 |   |  			
            | 7/8/2021 | +0.10 / +4.76% | 2.10 | 2.30 | 2.10 | 2.20 | 2.26 | 2.20 | 33,200 |   |  
            | 7/7/2021 | -0.20 / -8.70% | 2.10 | 2.30 | 2.00 | 2.10 | 2.10 | 2.10 | 152,500 |   |  			
            | 7/6/2021 | -0.10 / -4.35% | 2.30 | 2.30 | 2.20 | 2.20 | 2.30 | 2.20 | 45,200 |   |  
            | 7/5/2021 | 0.00 / 0.00% | 2.40 | 2.40 | 2.20 | 2.30 | 2.30 | 2.30 | 129,000 |   |  |