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                    Closing price on 9/28/2021
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        |           
                
                    | Open | 8.30 |  
                    | High | 8.30 |  
                    | Low | 8.20 |  
                    | Volume | 1,800 |  
                    | Split-adjusted Price | 5.57 |  
                
             | 
 |  STP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/28/2021 | -0.10 / -1.20% | 8.30 | 8.30 | 8.20 | 8.20 | 8.30 | 5.57 | 1,800 |   |  
            | 9/27/2021 | -0.20 / -2.35% | 8.70 | 8.70 | 8.30 | 8.30 | 8.35 | 5.63 | 9,100 |   |  			
            | 9/24/2021 | 0.00 / 0.00% | 8.60 | 8.60 | 8.40 | 8.50 | 8.42 | 5.77 | 5,700 |   |  
            | 9/23/2021 | -0.10 / -1.16% | 8.60 | 8.60 | 8.40 | 8.50 | 8.51 | 5.77 | 36,800 |   |  			
            | 9/22/2021 | -0.10 / -1.15% | 9.00 | 9.00 | 8.50 | 8.60 | 8.70 | 5.84 | 19,200 |   |  
            | 9/21/2021 | 0.00 / 0.00% | 8.90 | 8.90 | 8.60 | 8.70 | 8.60 | 5.91 | 1,400 |   |  			
            | 9/20/2021 | +0.10 / +1.06% | 9.50 | 9.90 | 9.40 | 9.50 | 9.57 | 5.91 | 69,700 |   |  
            | 9/17/2021 | 0.00 / 0.00% | 9.40 | 9.50 | 9.30 | 9.40 | 9.46 | 5.84 | 22,200 |   |  			
            | 9/16/2021 | +0.10 / +1.08% | 9.40 | 9.40 | 9.20 | 9.40 | 9.34 | 5.84 | 6,100 |   |  
            | 9/15/2021 | -0.20 / -2.11% | 9.40 | 9.50 | 9.30 | 9.30 | 9.44 | 5.78 | 12,400 |   |  			
            | 9/14/2021 | +0.30 / +3.26% | 9.30 | 9.50 | 9.20 | 9.50 | 9.34 | 5.91 | 24,100 |   |  
            | 9/13/2021 | -0.10 / -1.08% | 9.30 | 9.40 | 9.20 | 9.20 | 9.26 | 5.72 | 33,900 |   |  			
            | 9/10/2021 | +0.10 / +1.09% | 9.30 | 9.40 | 9.20 | 9.30 | 9.27 | 5.78 | 20,600 |   |  
            | 9/9/2021 | +0.30 / +3.37% | 8.90 | 9.20 | 8.90 | 9.20 | 9.15 | 5.72 | 25,800 |   |  			
            | 9/8/2021 | -0.10 / -1.11% | 9.00 | 9.00 | 8.90 | 8.90 | 8.90 | 5.53 | 21,900 |   |  
            | 9/7/2021 | 0.00 / 0.00% | 8.70 | 9.10 | 8.60 | 9.00 | 8.95 | 5.59 | 23,900 |   |  			
            | 9/6/2021 | -0.20 / -2.17% | 9.20 | 9.20 | 9.00 | 9.00 | 9.07 | 5.59 | 60,000 |   |  
            | 9/1/2021 | +0.20 / +2.22% | 9.00 | 9.20 | 9.00 | 9.20 | 9.02 | 5.72 | 21,500 |   |  			
            | 8/31/2021 | +0.30 / +3.45% | 8.80 | 9.10 | 8.80 | 9.00 | 8.91 | 5.59 | 48,600 |   |  
            | 8/30/2021 | +0.60 / +7.41% | 8.10 | 8.70 | 8.10 | 8.70 | 8.53 | 5.41 | 46,800 |   |  			
            | 8/27/2021 | +0.10 / +1.25% | 8.00 | 8.10 | 8.00 | 8.10 | 8.04 | 5.04 | 5,600 |   |  
            | 8/26/2021 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 4.97 | 1,900 |   |  			
            | 8/25/2021 | +0.10 / +1.27% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 4.97 | 100 |   |  
            | 8/24/2021 | -0.10 / -1.25% | 7.90 | 7.90 | 7.90 | 7.90 | 7.90 | 4.91 | 400 |   |  			
            | 8/23/2021 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 4.97 | 1,100 |   |  
            | 8/20/2021 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 4.97 | 11,500 |   |  			
            | 8/19/2021 | 0.00 / 0.00% | 8.10 | 8.10 | 8.00 | 8.00 | 8.01 | 4.97 | 14,102 |   |  
            | 8/18/2021 | -0.10 / -1.23% | 8.20 | 8.20 | 8.00 | 8.00 | 8.00 | 4.97 | 17,400 |   |  			
            | 8/17/2021 | +0.10 / +1.25% | 8.00 | 8.60 | 7.90 | 8.10 | 7.96 | 5.04 | 20,100 |   |  
            | 8/16/2021 | -0.20 / -2.44% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 4.97 | 447 |   |  |