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            | 
                    Closing price on 12/25/2018
                 |  |  
    
        |           
                
                    | Open | 3.20 |  
                    | High | 3.30 |  
                    | Low | 3.20 |  
                    | Volume | 1,100 |  
                    | Split-adjusted Price | 3.30 |  
                
             | 
 |  PSB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/25/2018 | 0.00 / 0.00% | 3.20 | 3.30 | 3.20 | 3.30 | 3.28 | 3.30 | 1,100 |   |  
            | 12/24/2018 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 0 |   |  			
            | 12/21/2018 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 0 |   |  
            | 12/20/2018 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 0 |   |  			
            | 12/19/2018 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 0 |   |  
            | 12/18/2018 | -0.10 / -2.94% | 3.40 | 3.40 | 3.30 | 3.30 | 3.34 | 3.30 | 1,800 |   |  			
            | 12/17/2018 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 12/14/2018 | -0.10 / -2.94% | 3.40 | 3.40 | 3.30 | 3.30 | 3.36 | 3.30 | 900 |   |  			
            | 12/13/2018 | -0.40 / -10.53% | 3.40 | 3.40 | 3.30 | 3.40 | 3.36 | 3.40 | 1,800 |   |  
            | 12/12/2018 | 0.00 / 0.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 0 |   |  			
            | 12/11/2018 | 0.00 / 0.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 0 |   |  
            | 12/10/2018 | 0.00 / 0.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 0 |   |  			
            | 12/7/2018 | 0.00 / 0.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 0 |   |  
            | 12/6/2018 | +0.40 / +11.76% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 100 |   |  			
            | 12/5/2018 | -0.30 / -8.11% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 900 |   |  
            | 12/4/2018 | +0.20 / +5.71% | 3.60 | 3.70 | 3.60 | 3.70 | 3.68 | 3.70 | 10,000 |   |  			
            | 12/3/2018 | +0.10 / +2.94% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 900 |   |  
            | 11/30/2018 | -0.10 / -2.86% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 100 |   |  			
            | 11/29/2018 | +0.10 / +2.94% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 200 |   |  
            | 11/28/2018 | 0.00 / 0.00% | 3.30 | 3.40 | 3.30 | 3.40 | 3.35 | 3.40 | 1,900 |   |  			
            | 11/27/2018 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 900 |   |  
            | 11/26/2018 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  			
            | 11/23/2018 | -0.10 / -2.86% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 900 |   |  
            | 11/22/2018 | 0.00 / 0.00% | 3.40 | 3.50 | 3.40 | 3.50 | 3.45 | 3.50 | 5,700 |   |  			
            | 11/21/2018 | 0.00 / 0.00% | 3.50 | 3.50 | 3.40 | 3.50 | 3.48 | 3.50 | 1,400 |   |  
            | 11/20/2018 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 100 |   |  			
            | 11/19/2018 | +0.20 / +6.06% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 2,500 |   |  
            | 11/16/2018 | -0.20 / -5.71% | 3.30 | 3.30 | 3.10 | 3.30 | 3.26 | 3.30 | 1,400 |   |  			
            | 11/15/2018 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 0 |   |  
            | 11/14/2018 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 1,830 |   |  |