| 
                 
                    Closing price on 9/24/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.80 | 
                 
                
                    | High | 
                    2.80 | 
                 
                
                    | Low | 
                    2.70 | 
                     
                
                    | Volume | 
                    6,200 | 
                                 
                
                    | Split-adjusted Price | 
                    2.70 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PSB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.80
             |                     
            
                2.70
             |                                 
            
                6,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2013
             | 
            
                +0.20 / +8.00%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                3,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2013
             | 
            
                -0.20 / -7.41%
             |             
            
                2.50
             |           
            
                2.50
             |               
            
                2.50
             |                           
            
                2.50
             | 
            
                2.50
             |                     
            
                2.50
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2013
             | 
            
                +0.10 / +3.85%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.60
             |           
            
                2.60
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                2.60
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2013
             | 
            
                -0.20 / -7.14%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                2.60
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2013
             | 
            
                +0.10 / +3.70%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.50
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                60
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2013
             | 
            
                +0.10 / +3.85%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2013
             | 
            
                -0.20 / -7.14%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.70
             |                     
            
                2.60
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |