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                    Closing price on 9/24/2020
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                    | Open | 3.70 |  
                    | High | 3.70 |  
                    | Low | 3.70 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 3.70 |  
                
             | 
 |  PSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/24/2020 | 0.00 / 0.00% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 0 |   |  
            | 9/23/2020 | +0.30 / +8.82% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 100 |   |  			
            | 9/22/2020 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 9/21/2020 | -0.10 / -2.86% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 4,100 |   |  			
            | 9/18/2020 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 5,125 |   |  
            | 9/17/2020 | -0.10 / -2.78% | 3.60 | 3.60 | 3.50 | 3.50 | 3.54 | 3.50 | 35,000 |   |  			
            | 9/16/2020 | +0.10 / +2.86% | 3.20 | 3.60 | 3.20 | 3.60 | 3.40 | 3.60 | 200 |   |  
            | 9/15/2020 | 0.00 / 0.00% | 3.60 | 3.60 | 3.20 | 3.50 | 3.34 | 3.50 | 8,700 |   |  			
            | 9/14/2020 | +0.10 / +2.94% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 300 |   |  
            | 9/11/2020 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 10,000 |   |  			
            | 9/10/2020 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 9/9/2020 | +0.20 / +6.25% | 3.10 | 3.40 | 3.10 | 3.40 | 3.13 | 3.40 | 1,000 |   |  			
            | 9/8/2020 | -0.10 / -3.03% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 1,700 |   |  
            | 9/7/2020 | +0.10 / +3.13% | 3.20 | 3.30 | 3.20 | 3.30 | 3.27 | 3.30 | 700 |   |  			
            | 9/4/2020 | +0.10 / +3.23% | 3.10 | 3.20 | 3.10 | 3.20 | 3.15 | 3.20 | 8,000 |   |  
            | 9/3/2020 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  			
            | 9/1/2020 | +0.10 / +3.33% | 3.00 | 3.20 | 3.00 | 3.10 | 3.12 | 3.10 | 3,400 |   |  
            | 8/31/2020 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 2,800 |   |  			
            | 8/28/2020 | +0.10 / +3.45% | 2.90 | 3.00 | 2.90 | 3.00 | 3.00 | 3.00 | 25,200 |   |  
            | 8/27/2020 | -0.10 / -3.33% | 2.80 | 2.90 | 2.80 | 2.90 | 2.89 | 2.90 | 700 |   |  			
            | 8/26/2020 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 0 |   |  
            | 8/25/2020 | -0.20 / -6.25% | 3.10 | 3.10 | 3.00 | 3.00 | 3.09 | 3.00 | 1,100 |   |  			
            | 8/24/2020 | +0.10 / +3.23% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 2,000 |   |  
            | 8/21/2020 | +0.10 / +3.33% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 200 |   |  			
            | 8/20/2020 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 200 |   |  
            | 8/19/2020 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 6,900 |   |  			
            | 8/18/2020 | +0.10 / +3.45% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 100 |   |  
            | 8/17/2020 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  			
            | 8/14/2020 | -0.10 / -3.33% | 2.90 | 2.90 | 2.70 | 2.90 | 2.90 | 2.90 | 4,500 |   |  
            | 8/13/2020 | -0.20 / -6.25% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 1,100 |   |  |