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                    Closing price on 8/13/2020
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                    | Open | 3.00 |  
                    | High | 3.00 |  
                    | Low | 3.00 |  
                    | Volume | 1,100 |  
                    | Split-adjusted Price | 3.00 |  
                
             | 
 |  PSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/13/2020 | -0.20 / -6.25% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 1,100 |   |  
            | 8/12/2020 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 500 |   |  			
            | 8/11/2020 | +0.20 / +6.67% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 100 |   |  
            | 8/10/2020 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 5,300 |   |  			
            | 8/7/2020 | 0.00 / 0.00% | 2.80 | 3.00 | 2.70 | 3.00 | 2.80 | 3.00 | 21,000 |   |  
            | 8/6/2020 | -0.10 / -3.23% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 100 |   |  			
            | 8/5/2020 | +0.10 / +3.33% | 3.20 | 3.20 | 3.10 | 3.10 | 3.12 | 3.10 | 2,500 |   |  
            | 8/4/2020 | +0.10 / +3.45% | 2.80 | 3.00 | 2.70 | 3.00 | 2.83 | 3.00 | 17,200 |   |  			
            | 8/3/2020 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  
            | 7/31/2020 | +0.10 / +3.57% | 2.80 | 3.00 | 2.80 | 2.90 | 2.89 | 2.90 | 3,400 |   |  			
            | 7/30/2020 | -0.10 / -3.45% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 400 |   |  
            | 7/29/2020 | +0.10 / +3.57% | 2.80 | 2.90 | 2.80 | 2.90 | 2.80 | 2.90 | 15,300 |   |  			
            | 7/28/2020 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 11,400 |   |  
            | 7/27/2020 | +0.20 / +7.69% | 2.60 | 2.80 | 2.60 | 2.80 | 2.61 | 2.80 | 2,600 |   |  			
            | 7/24/2020 | +0.20 / +8.33% | 2.50 | 2.60 | 2.50 | 2.60 | 2.57 | 2.60 | 900 |   |  
            | 7/23/2020 | +0.20 / +9.09% | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 300 |   |  			
            | 7/22/2020 | 0.00 / 0.00% | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 300 |   |  
            | 7/21/2020 | +0.20 / +10.00% | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 100 |   |  			
            | 7/20/2020 | 0.00 / 0.00% | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 0 |   |  
            | 7/17/2020 | -0.10 / -4.76% | 2.00 | 2.10 | 2.00 | 2.00 | 2.04 | 2.00 | 5,700 |   |  			
            | 7/16/2020 | 0.00 / 0.00% | 2.00 | 2.20 | 2.00 | 2.10 | 2.06 | 2.10 | 2,100 |   |  
            | 7/15/2020 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  			
            | 7/14/2020 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  
            | 7/13/2020 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  			
            | 7/10/2020 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  
            | 7/9/2020 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  			
            | 7/8/2020 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  
            | 7/7/2020 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  			
            | 7/6/2020 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  
            | 7/3/2020 | 0.00 / 0.00% | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 2.10 | 0 |   |  |