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            | 
                    Closing price on 9/13/2017
                 |  |  
    
        |           
                
                    | Open | 6.10 |  
                    | High | 6.10 |  
                    | Low | 6.10 |  
                    | Volume | 99 |  
                    | Split-adjusted Price | 6.10 |  
                
             | 
 |  PSB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/13/2017 | 0.00 / 0.00% | 6.10 | 6.10 | 6.10 | 6.10 | 6.10 | 6.10 | 99 |   |  
            | 9/12/2017 | 0.00 / 0.00% | 6.10 | 6.10 | 6.10 | 6.10 | 6.10 | 6.10 | 200 |   |  			
            | 9/11/2017 | +0.10 / +1.67% | 5.80 | 6.10 | 5.80 | 6.10 | 5.98 | 6.10 | 1,060 |   |  
            | 9/8/2017 | +0.20 / +3.45% | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 | 130 |   |  			
            | 9/7/2017 | +0.30 / +5.45% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 75 |   |  
            | 9/6/2017 | -0.90 / -14.06% | 6.10 | 6.10 | 5.50 | 5.50 | 5.81 | 5.50 | 5,510 |   |  			
            | 9/5/2017 | +0.20 / +3.23% | 6.20 | 6.40 | 6.20 | 6.40 | 6.35 | 6.40 | 400 |   |  
            | 9/1/2017 | -0.50 / -7.46% | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 6.20 | 100 |   |  			
            | 8/31/2017 | +0.40 / +6.35% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 549 |   |  
            | 8/30/2017 | -0.20 / -3.08% | 6.30 | 6.50 | 6.20 | 6.30 | 6.29 | 6.30 | 1,930 |   |  			
            | 8/29/2017 | +0.10 / +1.56% | 6.20 | 6.50 | 6.10 | 6.50 | 6.42 | 6.50 | 4,830 |   |  
            | 8/28/2017 | -0.10 / -1.54% | 6.30 | 6.40 | 6.30 | 6.40 | 6.38 | 6.40 | 3,100 |   |  			
            | 8/25/2017 | +0.30 / +4.69% | 6.30 | 6.80 | 6.30 | 6.70 | 6.53 | 6.70 | 1,900 |   |  
            | 8/24/2017 | -0.60 / -8.57% | 6.00 | 7.00 | 6.00 | 6.40 | 6.46 | 6.40 | 4,835 |   |  			
            | 8/23/2017 | +0.30 / +4.48% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 389 |   |  
            | 8/22/2017 | -0.10 / -1.47% | 7.00 | 7.00 | 5.60 | 6.70 | 6.51 | 6.70 | 3,094 |   |  			
            | 8/21/2017 | -0.10 / -1.45% | 6.70 | 6.80 | 6.00 | 6.80 | 6.47 | 6.80 | 1,590 |   |  
            | 8/18/2017 | +0.10 / +1.49% | 6.50 | 7.00 | 6.50 | 6.80 | 6.94 | 6.80 | 27,930 |   |  			
            | 8/17/2017 | -0.10 / -1.47% | 6.90 | 6.90 | 6.70 | 6.70 | 6.84 | 6.70 | 9,100 |   |  
            | 8/16/2017 | +0.10 / +1.49% | 7.60 | 7.60 | 6.50 | 6.80 | 6.63 | 6.80 | 3,555 |   |  			
            | 8/15/2017 | -0.20 / -2.90% | 7.50 | 7.50 | 6.20 | 6.70 | 6.68 | 6.70 | 8,619 |   |  
            | 8/14/2017 | +0.80 / +13.11% | 6.20 | 7.00 | 6.10 | 6.90 | 6.84 | 6.90 | 32,030 |   |  			
            | 8/11/2017 | +0.70 / +12.28% | 5.70 | 6.40 | 5.50 | 6.40 | 6.09 | 6.40 | 11,975 |   |  
            | 8/10/2017 | +0.50 / +9.62% | 5.30 | 5.70 | 5.10 | 5.70 | 5.55 | 5.70 | 6,150 |   |  			
            | 8/9/2017 | +0.20 / +4.00% | 5.00 | 5.20 | 5.00 | 5.20 | 5.04 | 5.20 | 8,400 |   |  
            | 8/8/2017 | +0.20 / +4.17% | 4.70 | 5.00 | 4.50 | 5.00 | 4.80 | 5.00 | 5,085 |   |  			
            | 8/7/2017 | +0.40 / +9.09% | 4.50 | 4.80 | 4.50 | 4.80 | 4.55 | 4.80 | 3,705 |   |  
            | 8/4/2017 | 0.00 / 0.00% | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 320 |   |  			
            | 8/3/2017 | 0.00 / 0.00% | 4.30 | 4.40 | 4.30 | 4.40 | 4.30 | 4.40 | 4,300 |   |  
            | 8/2/2017 | 0.00 / 0.00% | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 4,620 |   |  |