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            | 
                    Closing price on 7/26/2013
                 |  |  
    
        |           
                
                    | Open | 2.90 |  
                    | High | 2.90 |  
                    | Low | 2.90 |  
                    | Volume | 2,600 |  
                    | Split-adjusted Price | 2.90 |  
                
             | 
 |  PSB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/26/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2,600 |   |  
            | 7/25/2013 | +0.10 / +3.57% | 2.80 | 2.90 | 2.80 | 2.90 | 2.80 | 2.90 | 1,400 |   |  			
            | 7/24/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.80 | 2.80 | 2.80 | 2.80 | 7,200 |   |  
            | 7/23/2013 | -0.10 / -3.45% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 900 |   |  			
            | 7/22/2013 | 0.00 / 0.00% | 3.00 | 3.00 | 2.90 | 2.90 | 2.90 | 2.90 | 10,100 |   |  
            | 7/19/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 34,900 |   |  			
            | 7/18/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 0 |   |  
            | 7/17/2013 | +0.10 / +3.57% | 2.80 | 3.00 | 2.80 | 2.90 | 2.90 | 2.90 | 121,500 |   |  			
            | 7/16/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 0 |   |  
            | 7/15/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2,100 |   |  			
            | 7/12/2013 | -0.10 / -3.45% | 2.70 | 2.80 | 2.70 | 2.80 | 2.75 | 2.80 | 800 |   |  
            | 7/11/2013 | +0.10 / +3.57% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 100 |   |  			
            | 7/10/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 1,200 |   |  
            | 7/9/2013 | 0.00 / 0.00% | 2.70 | 2.80 | 2.70 | 2.80 | 2.80 | 2.80 | 5,500 |   |  			
            | 7/8/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 0 |   |  
            | 7/5/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 0 |   |  			
            | 7/4/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 6,500 |   |  
            | 7/3/2013 | 0.00 / 0.00% | 2.70 | 2.80 | 2.70 | 2.80 | 2.70 | 2.80 | 27,000 |   |  			
            | 7/2/2013 | +0.10 / +3.70% | 2.70 | 2.80 | 2.70 | 2.80 | 2.80 | 2.80 | 27,300 |   |  
            | 7/1/2013 | 0.00 / 0.00% | 2.50 | 2.70 | 2.50 | 2.70 | 2.70 | 2.70 | 29,800 |   |  			
            | 6/28/2013 | 0.00 / 0.00% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 45,000 |   |  
            | 6/27/2013 | -0.10 / -3.57% | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 2.70 | 42,500 |   |  			
            | 6/26/2013 | 0.00 / 0.00% | 2.70 | 2.80 | 2.70 | 2.80 | 2.70 | 2.80 | 11,600 |   |  
            | 6/25/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 14,700 |   |  			
            | 6/24/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 3,100 |   |  
            | 6/21/2013 | 0.00 / 0.00% | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 2.80 | 900 |   |  			
            | 6/20/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.80 | 2.80 | 2.90 | 2.80 | 3,400 |   |  
            | 6/19/2013 | -0.10 / -3.45% | 2.80 | 2.90 | 2.80 | 2.80 | 2.80 | 2.80 | 7,800 |   |  			
            | 6/18/2013 | 0.00 / 0.00% | 2.80 | 2.90 | 2.80 | 2.90 | 2.80 | 2.90 | 2,400 |   |  
            | 6/17/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 2.90 | 4,900 |   |  |