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                    Closing price on 7/19/2021
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        |           
                
                    | Open | 8.10 |  
                    | High | 8.60 |  
                    | Low | 8.00 |  
                    | Volume | 210,800 |  
                    | Split-adjusted Price | 8.00 |  
                
             | 
 |  PSI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/19/2021 | -0.80 / -9.09% | 8.10 | 8.60 | 8.00 | 8.00 | 8.05 | 8.00 | 210,800 |   |  
            | 7/16/2021 | -0.30 / -3.30% | 9.10 | 9.10 | 8.80 | 8.80 | 8.88 | 8.80 | 51,700 |   |  			
            | 7/15/2021 | +0.80 / +9.64% | 8.30 | 9.10 | 8.30 | 9.10 | 8.76 | 9.10 | 106,200 |   |  
            | 7/14/2021 | 0.00 / 0.00% | 8.90 | 8.90 | 8.00 | 8.30 | 8.20 | 8.30 | 56,200 |   |  			
            | 7/13/2021 | +0.20 / +2.47% | 8.10 | 8.40 | 7.80 | 8.30 | 8.09 | 8.30 | 158,500 |   |  
            | 7/12/2021 | -0.90 / -10.00% | 9.00 | 9.10 | 8.10 | 8.10 | 8.20 | 8.10 | 343,800 |   |  			
            | 7/9/2021 | -1.00 / -10.00% | 9.40 | 10.00 | 9.00 | 9.00 | 9.59 | 9.00 | 133,700 |   |  
            | 7/8/2021 | -0.10 / -0.99% | 10.10 | 10.10 | 9.90 | 10.00 | 9.94 | 10.00 | 125,600 |   |  			
            | 7/7/2021 | -0.50 / -4.72% | 10.60 | 10.60 | 9.60 | 10.10 | 9.84 | 10.10 | 294,500 |   |  
            | 7/6/2021 | -1.10 / -9.40% | 11.70 | 11.70 | 10.60 | 10.60 | 10.82 | 10.60 | 423,100 |   |  			
            | 7/5/2021 | +0.40 / +3.54% | 11.30 | 12.20 | 11.30 | 11.70 | 11.80 | 11.70 | 394,700 |   |  
            | 7/2/2021 | +1.00 / +9.71% | 10.60 | 11.30 | 10.50 | 11.30 | 11.20 | 11.30 | 1,295,000 |   |  			
            | 7/1/2021 | +0.30 / +3.00% | 9.80 | 10.40 | 9.50 | 10.30 | 10.23 | 10.30 | 546,500 |   |  
            | 6/30/2021 | -0.10 / -0.99% | 10.00 | 10.20 | 9.80 | 10.00 | 9.99 | 10.00 | 71,800 |   |  			
            | 6/29/2021 | -0.10 / -0.98% | 10.20 | 10.40 | 10.00 | 10.10 | 10.12 | 10.10 | 100,790 |   |  
            | 6/28/2021 | +0.10 / +0.99% | 10.30 | 10.60 | 10.10 | 10.20 | 10.36 | 10.20 | 154,300 |   |  			
            | 6/25/2021 | +0.30 / +3.06% | 9.80 | 10.10 | 9.70 | 10.10 | 9.96 | 10.10 | 131,800 |   |  
            | 6/24/2021 | -0.20 / -2.00% | 10.00 | 10.10 | 9.80 | 9.80 | 9.87 | 9.80 | 74,700 |   |  			
            | 6/23/2021 | 0.00 / 0.00% | 9.80 | 10.10 | 9.80 | 10.00 | 10.04 | 10.00 | 153,200 |   |  
            | 6/22/2021 | -0.10 / -0.99% | 10.30 | 10.30 | 9.90 | 10.00 | 10.03 | 10.00 | 123,500 |   |  			
            | 6/21/2021 | +0.10 / +1.00% | 10.10 | 10.30 | 9.80 | 10.10 | 9.98 | 10.10 | 105,800 |   |  
            | 6/18/2021 | 0.00 / 0.00% | 10.10 | 10.40 | 9.90 | 10.00 | 10.17 | 10.00 | 150,400 |   |  			
            | 6/17/2021 | -0.30 / -2.91% | 10.40 | 10.40 | 9.50 | 10.00 | 10.03 | 10.00 | 124,300 |   |  
            | 6/16/2021 | 0.00 / 0.00% | 10.30 | 10.50 | 10.00 | 10.30 | 10.15 | 10.30 | 120,500 |   |  			
            | 6/15/2021 | -0.40 / -3.74% | 10.50 | 10.90 | 10.00 | 10.30 | 10.27 | 10.30 | 247,400 |   |  
            | 6/14/2021 | -0.10 / -0.93% | 10.80 | 11.00 | 10.10 | 10.70 | 10.62 | 10.70 | 281,500 |   |  			
            | 6/11/2021 | 0.00 / 0.00% | 10.10 | 11.00 | 10.10 | 10.80 | 10.65 | 10.80 | 125,400 |   |  
            | 6/10/2021 | -0.50 / -4.42% | 11.30 | 11.30 | 10.40 | 10.80 | 10.72 | 10.80 | 110,600 |   |  			
            | 6/9/2021 | +0.80 / +7.62% | 10.50 | 11.50 | 9.50 | 11.30 | 10.13 | 11.30 | 374,000 |   |  
            | 6/8/2021 | -1.10 / -9.48% | 11.30 | 11.70 | 10.50 | 10.50 | 10.69 | 10.50 | 244,700 |   |  |