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                    Closing price on 11/8/2011
                 
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                    | Open | 
                    5.10 | 
                 
                
                    | High | 
                    5.20 | 
                 
                
                    | Low | 
                    5.10 | 
                     
                
                    | Volume | 
                    80,000 | 
                                 
                
                    | Split-adjusted Price | 
                    5.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/8/2011
             | 
            
                +0.10 / +1.96%
             |             
            
                5.10
             |           
            
                5.20
             |               
            
                5.10
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                5.20
             |                                 
            
                80,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2011
             | 
            
                -0.40 / -7.27%
             |             
            
                5.30
             |           
            
                5.40
             |               
            
                5.10
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                5.10
             |                                 
            
                114,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2011
             | 
            
                -0.10 / -1.79%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                5.50
             |                                 
            
                73,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2011
             | 
            
                +0.20 / +3.70%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                5.60
             |                                 
            
                40,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2011
             | 
            
                -0.30 / -5.26%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                5.40
             |                                 
            
                63,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2011
             | 
            
                -0.30 / -5.00%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                5.70
             |                                 
            
                181,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2011
             | 
            
                +0.10 / +1.69%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                5.90
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                6.00
             |                                 
            
                249,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2011
             | 
            
                +0.30 / +5.36%
             |             
            
                5.60
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                5.90
             |                                 
            
                367,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                5.60
             |                                 
            
                51,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                5.60
             |                                 
            
                39,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                5.60
             |                                 
            
                45,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2011
             | 
            
                -0.20 / -3.45%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                5.60
             |                                 
            
                138,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2011
             | 
            
                +0.30 / +5.45%
             |             
            
                5.60
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                5.80
             |                                 
            
                159,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                5.50
             |                                 
            
                32,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2011
             | 
            
                +0.10 / +1.85%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.30
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                5.50
             |                                 
            
                89,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2011
             | 
            
                -0.10 / -1.82%
             |             
            
                5.40
             |           
            
                5.50
             |               
            
                5.30
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                5.40
             |                                 
            
                84,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2011
             | 
            
                -0.20 / -3.51%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.50
             |                     
            
                5.50
             |                                 
            
                71,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                5.70
             |                                 
            
                137,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2011
             | 
            
                -0.10 / -1.72%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                5.70
             |                                 
            
                151,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2011
             | 
            
                -0.30 / -4.92%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                5.70
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                5.80
             |                                 
            
                246,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2011
             | 
            
                -0.10 / -1.61%
             |             
            
                6.10
             |           
            
                6.20
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                6.10
             |                                 
            
                177,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                5.90
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                6.20
             |                                 
            
                212,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2011
             | 
            
                -0.20 / -3.13%
             |             
            
                6.40
             |           
            
                6.60
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                6.20
             |                                 
            
                130,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2011
             | 
            
                +0.20 / +3.23%
             |             
            
                6.20
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.40
             |                                 
            
                239,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.40
             |               
            
                6.10
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                6.20
             |                                 
            
                135,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2011
             | 
            
                +0.10 / +1.64%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                6.20
             |                                 
            
                207,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2011
             | 
            
                -0.10 / -1.61%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                6.10
             |                                 
            
                92,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2011
             | 
            
                -0.30 / -4.62%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                6.20
             |                                 
            
                167,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2011
             | 
            
                -0.20 / -2.99%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                6.50
             |                                 
            
                331,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2011
             | 
            
                -0.10 / -1.47%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                6.70
             |                                 
            
                123,600
             |  
            
                 
             |                                                              
             
    
         
    
    
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 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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