| 
    
        
            | 
                    Closing price on 11/27/2013
                 |  |  
    
        |           
                
                    | Open | 3.20 |  
                    | High | 3.20 |  
                    | Low | 3.10 |  
                    | Volume | 47,900 |  
                    | Split-adjusted Price | 3.10 |  
                
             | 
 |  PSB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/27/2013 | 0.00 / 0.00% | 3.20 | 3.20 | 3.10 | 3.10 | 3.10 | 3.10 | 47,900 |   |  
            | 11/26/2013 | 0.00 / 0.00% | 3.10 | 3.20 | 3.10 | 3.10 | 3.20 | 3.10 | 19,300 |   |  			
            | 11/25/2013 | +0.10 / +3.33% | 3.10 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 20,500 |   |  
            | 11/22/2013 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3,100 |   |  			
            | 11/21/2013 | 0.00 / 0.00% | 3.10 | 3.20 | 3.00 | 3.00 | 3.00 | 3.00 | 25,400 |   |  
            | 11/20/2013 | 0.00 / 0.00% | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 10,100 |   |  			
            | 11/19/2013 | -0.10 / -3.23% | 3.10 | 3.20 | 3.00 | 3.00 | 3.10 | 3.00 | 12,275 |   |  
            | 11/18/2013 | +0.10 / +3.33% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 21,400 |   |  			
            | 11/15/2013 | 0.00 / 0.00% | 3.10 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 9,900 |   |  
            | 11/14/2013 | 0.00 / 0.00% | 3.10 | 3.20 | 3.10 | 3.10 | 3.10 | 3.10 | 23,830 |   |  			
            | 11/13/2013 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 6,900 |   |  
            | 11/12/2013 | -0.10 / -3.13% | 3.20 | 3.20 | 3.10 | 3.10 | 3.10 | 3.10 | 16,600 |   |  			
            | 11/11/2013 | 0.00 / 0.00% | 3.20 | 3.30 | 3.20 | 3.20 | 3.20 | 3.20 | 22,356 |   |  
            | 11/8/2013 | 0.00 / 0.00% | 3.20 | 3.30 | 3.20 | 3.20 | 3.23 | 3.20 | 26,200 |   |  			
            | 11/7/2013 | 0.00 / 0.00% | 3.20 | 3.20 | 3.10 | 3.20 | 3.10 | 3.20 | 1,392 |   |  
            | 11/6/2013 | -0.10 / -3.03% | 3.20 | 3.20 | 3.10 | 3.20 | 3.10 | 3.20 | 1,100 |   |  			
            | 11/5/2013 | +0.10 / +3.13% | 3.10 | 3.30 | 3.10 | 3.30 | 3.20 | 3.30 | 55,620 |   |  
            | 11/4/2013 | +0.10 / +3.23% | 3.10 | 3.20 | 3.10 | 3.20 | 3.20 | 3.20 | 6,000 |   |  			
            | 11/1/2013 | 0.00 / 0.00% | 3.20 | 3.20 | 3.00 | 3.10 | 3.10 | 3.10 | 500 |   |  
            | 10/31/2013 | +0.20 / +6.90% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 83,938 |   |  			
            | 10/30/2013 | 0.00 / 0.00% | 2.90 | 3.00 | 2.90 | 2.90 | 2.90 | 2.90 | 42,600 |   |  
            | 10/29/2013 | 0.00 / 0.00% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 5,550 |   |  			
            | 10/28/2013 | +0.10 / +3.57% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 33,500 |   |  
            | 10/25/2013 | -0.10 / -3.45% | 2.90 | 2.90 | 2.80 | 2.80 | 2.90 | 2.80 | 2,100 |   |  			
            | 10/24/2013 | 0.00 / 0.00% | 2.90 | 3.00 | 2.90 | 2.90 | 2.90 | 2.90 | 24,900 |   |  
            | 10/23/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 33,600 |   |  			
            | 10/22/2013 | -0.10 / -3.33% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 7,000 |   |  
            | 10/21/2013 | +0.10 / +3.45% | 2.90 | 3.00 | 2.90 | 3.00 | 2.90 | 3.00 | 2,800 |   |  			
            | 10/18/2013 | 0.00 / 0.00% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 12,100 |   |  
            | 10/17/2013 | +0.10 / +3.57% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 7,000 |   |  |