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            | 
                    Closing price on 9/21/2021
                 |  |  
    
        |           
                
                    | Open | 8.80 |  
                    | High | 8.80 |  
                    | Low | 8.30 |  
                    | Volume | 2,100 |  
                    | Split-adjusted Price | 8.40 |  
                
             | 
 |  PSB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/21/2021 | +0.30 / +3.70% | 8.80 | 8.80 | 8.30 | 8.40 | 8.50 | 8.40 | 2,100 |   |  
            | 9/20/2021 | 0.00 / 0.00% | 7.60 | 8.30 | 7.60 | 8.20 | 8.10 | 8.20 | 9,000 |   |  			
            | 9/17/2021 | +0.20 / +2.53% | 8.00 | 8.40 | 8.00 | 8.10 | 8.20 | 8.10 | 19,300 |   |  
            | 9/16/2021 | 0.00 / 0.00% | 7.90 | 8.00 | 7.80 | 7.90 | 7.90 | 7.90 | 29,000 |   |  			
            | 9/15/2021 | +0.10 / +1.28% | 7.80 | 7.90 | 7.50 | 7.90 | 7.90 | 7.90 | 11,500 |   |  
            | 9/14/2021 | +0.70 / +9.72% | 7.20 | 8.00 | 7.20 | 7.90 | 7.80 | 7.90 | 29,900 |   |  			
            | 9/13/2021 | 0.00 / 0.00% | 8.00 | 8.00 | 7.00 | 7.10 | 7.20 | 7.10 | 29,600 |   |  
            | 9/10/2021 | +0.30 / +4.35% | 6.90 | 7.20 | 6.90 | 7.20 | 7.10 | 7.20 | 15,100 |   |  			
            | 9/9/2021 | +0.20 / +2.99% | 6.60 | 6.90 | 6.60 | 6.90 | 6.90 | 6.90 | 16,000 |   |  
            | 9/8/2021 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 500 |   |  			
            | 9/7/2021 | 0.00 / 0.00% | 6.80 | 6.80 | 6.60 | 6.60 | 6.70 | 6.60 | 5,500 |   |  
            | 9/6/2021 | +0.10 / +1.54% | 6.60 | 6.60 | 6.50 | 6.60 | 6.60 | 6.60 | 8,900 |   |  			
            | 9/1/2021 | -0.40 / -6.06% | 6.60 | 6.60 | 6.20 | 6.20 | 6.50 | 6.20 | 2,600 |   |  
            | 8/31/2021 | 0.00 / 0.00% | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 0 |   |  			
            | 8/30/2021 | +0.50 / +8.20% | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 100 |   |  
            | 8/27/2021 | -0.20 / -3.03% | 6.10 | 6.40 | 6.10 | 6.40 | 6.10 | 6.40 | 1,200 |   |  			
            | 8/26/2021 | +0.40 / +6.45% | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 100 |   |  
            | 8/25/2021 | +0.50 / +8.06% | 6.20 | 6.70 | 6.20 | 6.70 | 6.20 | 6.70 | 1,300 |   |  			
            | 8/24/2021 | -0.40 / -6.25% | 7.00 | 7.00 | 6.00 | 6.00 | 6.20 | 6.00 | 1,100 |   |  
            | 8/23/2021 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 0 |   |  			
            | 8/20/2021 | 0.00 / 0.00% | 7.00 | 7.00 | 6.30 | 6.40 | 6.40 | 6.40 | 2,700 |   |  
            | 8/19/2021 | -0.30 / -4.48% | 6.60 | 6.60 | 6.30 | 6.40 | 6.40 | 6.40 | 1,300 |   |  			
            | 8/18/2021 | +0.10 / +1.52% | 6.80 | 6.80 | 6.70 | 6.70 | 6.70 | 6.70 | 2,800 |   |  
            | 8/17/2021 | -0.80 / -10.81% | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 6.60 | 3,100 |   |  			
            | 8/16/2021 | +0.30 / +4.48% | 7.70 | 7.70 | 7.00 | 7.00 | 7.40 | 7.00 | 1,000 |   |  
            | 8/13/2021 | -0.10 / -1.47% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 500 |   |  			
            | 8/12/2021 | +0.10 / +1.52% | 6.70 | 6.90 | 6.70 | 6.70 | 6.80 | 6.70 | 4,700 |   |  
            | 8/11/2021 | 0.00 / 0.00% | 6.60 | 6.70 | 6.50 | 6.70 | 6.60 | 6.70 | 4,200 |   |  			
            | 8/10/2021 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 5,100 |   |  
            | 8/9/2021 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 0 |   |  |