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            | 
                    Closing price on 9/10/2013
                 |  |  
    
        |           
                
                    | Open | 2.80 |  
                    | High | 2.80 |  
                    | Low | 2.80 |  
                    | Volume | 3,000 |  
                    | Split-adjusted Price | 2.80 |  
                
             | 
 |  PSB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/10/2013 | +0.10 / +3.70% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 3,000 |   |  
            | 9/9/2013 | -0.20 / -6.90% | 2.80 | 2.80 | 2.70 | 2.70 | 2.70 | 2.70 | 5,300 |   |  			
            | 9/6/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.70 | 2.90 | 2.90 | 2.90 | 0 |   |  
            | 9/5/2013 | -0.10 / -3.33% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  			
            | 9/4/2013 | +0.10 / +3.45% | 2.90 | 3.00 | 2.90 | 3.00 | 2.90 | 3.00 | 3,100 |   |  
            | 9/3/2013 | +0.10 / +3.57% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 200 |   |  			
            | 8/30/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 800 |   |  
            | 8/29/2013 | +0.10 / +3.70% | 2.80 | 2.80 | 2.60 | 2.80 | 2.70 | 2.80 | 4,400 |   |  			
            | 8/28/2013 | -0.10 / -3.57% | 2.70 | 2.70 | 2.60 | 2.70 | 2.60 | 2.70 | 2,300 |   |  
            | 8/27/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 0 |   |  			
            | 8/26/2013 | +0.10 / +3.70% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2,200 |   |  
            | 8/23/2013 | -0.20 / -6.90% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 970 |   |  			
            | 8/22/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 200 |   |  
            | 8/21/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  			
            | 8/20/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  
            | 8/19/2013 | +0.20 / +7.41% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 1,400 |   |  			
            | 8/16/2013 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 17,325 |   |  
            | 8/15/2013 | -0.10 / -3.57% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 5,200 |   |  			
            | 8/14/2013 | +0.10 / +3.70% | 2.70 | 2.80 | 2.70 | 2.80 | 2.70 | 2.80 | 2,500 |   |  
            | 8/13/2013 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2,000 |   |  			
            | 8/12/2013 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  
            | 8/9/2013 | -0.10 / -3.57% | 2.80 | 2.80 | 2.70 | 2.70 | 2.80 | 2.70 | 6,200 |   |  			
            | 8/8/2013 | -0.10 / -3.45% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 1,900 |   |  
            | 8/7/2013 | +0.20 / +7.41% | 2.70 | 2.90 | 2.70 | 2.90 | 2.70 | 2.90 | 1,000 |   |  			
            | 8/6/2013 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 0 |   |  
            | 8/5/2013 | -0.20 / -6.90% | 2.80 | 2.80 | 2.70 | 2.70 | 2.70 | 2.70 | 30,000 |   |  			
            | 8/2/2013 | +0.20 / +7.14% | 2.90 | 3.00 | 2.90 | 3.00 | 2.95 | 3.00 | 2,700 |   |  
            | 8/1/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 5,000 |   |  			
            | 7/31/2013 | -0.10 / -3.45% | 2.90 | 2.90 | 2.80 | 2.80 | 2.80 | 2.80 | 2,300 |   |  
            | 7/30/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.70 | 2.90 | 2.90 | 2.90 | 7,500 |   |  |