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                    Closing price on 9/10/2019
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                    | Open | 2.40 |  
                    | High | 2.40 |  
                    | Low | 2.40 |  
                    | Volume | 300 |  
                    | Split-adjusted Price | 2.40 |  
                
             | 
 |  PSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/10/2019 | 0.00 / 0.00% | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 300 |   |  
            | 9/9/2019 | 0.00 / 0.00% | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 0 |   |  			
            | 9/6/2019 | 0.00 / 0.00% | 2.50 | 2.50 | 2.40 | 2.40 | 2.48 | 2.40 | 2,300 |   |  
            | 9/5/2019 | -0.10 / -4.00% | 2.50 | 2.50 | 2.40 | 2.40 | 2.44 | 2.40 | 5,500 |   |  			
            | 9/4/2019 | -0.10 / -3.85% | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 1,600 |   |  
            | 9/3/2019 | 0.00 / 0.00% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 1,000 |   |  			
            | 8/30/2019 | 0.00 / 0.00% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 0 |   |  
            | 8/29/2019 | 0.00 / 0.00% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 0 |   |  			
            | 8/28/2019 | +0.10 / +4.00% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 200 |   |  
            | 8/27/2019 | 0.00 / 0.00% | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 2.50 | 100 |   |  			
            | 8/26/2019 | -0.10 / -3.85% | 2.60 | 2.60 | 2.40 | 2.50 | 2.51 | 2.50 | 6,300 |   |  
            | 8/23/2019 | 0.00 / 0.00% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 700 |   |  			
            | 8/22/2019 | -0.10 / -3.70% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 800 |   |  
            | 8/21/2019 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 1,400 |   |  			
            | 8/20/2019 | +0.10 / +3.85% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 900 |   |  
            | 8/19/2019 | 0.00 / 0.00% | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 2.60 | 1,200 |   |  			
            | 8/16/2019 | -0.10 / -3.70% | 2.70 | 2.70 | 2.50 | 2.60 | 2.58 | 2.60 | 2,500 |   |  
            | 8/15/2019 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  			
            | 8/14/2019 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  
            | 8/13/2019 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 60 |   |  			
            | 8/12/2019 | -0.20 / -6.90% | 2.90 | 2.90 | 2.70 | 2.70 | 2.88 | 2.70 | 1,100 |   |  
            | 8/9/2019 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  			
            | 8/8/2019 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  
            | 8/7/2019 | +0.20 / +7.41% | 2.70 | 2.90 | 2.60 | 2.90 | 2.73 | 2.90 | 800 |   |  			
            | 8/6/2019 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  
            | 8/5/2019 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  			
            | 8/2/2019 | -0.30 / -10.00% | 2.80 | 2.80 | 2.70 | 2.70 | 2.72 | 2.70 | 1,700 |   |  
            | 8/1/2019 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 0 |   |  			
            | 7/31/2019 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 0 |   |  
            | 7/30/2019 | +0.10 / +3.45% | 2.90 | 3.00 | 2.90 | 3.00 | 2.93 | 3.00 | 800 |   |  |