| 
                 
                    Closing price on 1/31/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    10.00 | 
                 
                
                    | High | 
                    10.50 | 
                 
                
                    | Low | 
                    10.00 | 
                     
                
                    | Volume | 
                    119,200 | 
                                 
                
                    | Split-adjusted Price | 
                    2.13 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/31/2012
             | 
            
                +0.40 / +4.04%
             |             
            
                10.00
             |           
            
                10.50
             |               
            
                10.00
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                2.13
             |                                 
            
                119,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2012
             | 
            
                -0.10 / -1.00%
             |             
            
                10.20
             |           
            
                10.40
             |               
            
                9.70
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                2.05
             |                                 
            
                91,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2012
             | 
            
                -0.50 / -4.76%
             |             
            
                10.30
             |           
            
                10.50
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.07
             |                                 
            
                119,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2012
             | 
            
                +0.50 / +5.00%
             |             
            
                9.90
             |           
            
                10.50
             |               
            
                9.90
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                2.17
             |                                 
            
                144,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2012
             | 
            
                +0.20 / +2.04%
             |             
            
                9.70
             |           
            
                10.10
             |               
            
                9.70
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.07
             |                                 
            
                87,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2012
             | 
            
                -0.30 / -2.97%
             |             
            
                10.20
             |           
            
                10.30
             |               
            
                9.70
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                2.03
             |                                 
            
                131,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2012
             | 
            
                +0.40 / +4.12%
             |             
            
                9.60
             |           
            
                10.10
             |               
            
                9.60
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                2.09
             |                                 
            
                151,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2012
             | 
            
                +0.30 / +3.19%
             |             
            
                9.20
             |           
            
                9.70
             |               
            
                9.20
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                2.01
             |                                 
            
                165,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2012
             | 
            
                +0.10 / +1.08%
             |             
            
                9.40
             |           
            
                9.60
             |               
            
                9.10
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                1.95
             |                                 
            
                152,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2012
             | 
            
                -0.10 / -1.06%
             |             
            
                9.60
             |           
            
                9.80
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                1.93
             |                                 
            
                153,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2012
             | 
            
                +0.40 / +4.44%
             |             
            
                9.00
             |           
            
                9.40
             |               
            
                9.00
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                1.95
             |                                 
            
                166,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                9.10
             |               
            
                8.60
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                1.86
             |                                 
            
                153,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2012
             | 
            
                -0.20 / -2.17%
             |             
            
                8.90
             |           
            
                9.10
             |               
            
                8.70
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                1.86
             |                                 
            
                261,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2012
             | 
            
                -0.50 / -5.15%
             |             
            
                9.50
             |           
            
                9.60
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                1.90
             |                                 
            
                150,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2012
             | 
            
                -0.40 / -3.96%
             |             
            
                10.30
             |           
            
                10.40
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                2.01
             |                                 
            
                143,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2012
             | 
            
                -0.60 / -5.61%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.10
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                2.09
             |                                 
            
                105,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.80
             |           
            
                11.10
             |               
            
                10.70
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                2.22
             |                                 
            
                144,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2011
             | 
            
                +0.60 / +5.94%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.40
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                2.22
             |                                 
            
                122,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2011
             | 
            
                +0.40 / +4.12%
             |             
            
                9.70
             |           
            
                10.10
             |               
            
                9.70
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                2.09
             |                                 
            
                136,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2011
             | 
            
                +0.70 / +7.78%
             |             
            
                9.40
             |           
            
                9.70
             |               
            
                9.20
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                2.01
             |                                 
            
                132,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2011
             | 
            
                -0.30 / -3.23%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                1.86
             |                                 
            
                92,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                9.10
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                1.93
             |                                 
            
                94,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2011
             | 
            
                -0.50 / -5.10%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                1.93
             |                                 
            
                177,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2011
             | 
            
                +0.10 / +1.03%
             |             
            
                9.90
             |           
            
                10.10
             |               
            
                9.70
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                2.03
             |                                 
            
                86,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2011
             | 
            
                -0.30 / -3.00%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                2.01
             |                                 
            
                80,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                10.20
             |           
            
                10.30
             |               
            
                9.80
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.07
             |                                 
            
                121,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2011
             | 
            
                +0.40 / +4.17%
             |             
            
                9.70
             |           
            
                10.20
             |               
            
                9.70
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.07
             |                                 
            
                173,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2011
             | 
            
                -0.10 / -1.03%
             |             
            
                9.70
             |           
            
                10.00
             |               
            
                9.40
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                1.99
             |                                 
            
                94,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2011
             | 
            
                -0.20 / -2.02%
             |             
            
                9.80
             |           
            
                10.00
             |               
            
                9.50
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                2.01
             |                                 
            
                84,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2011
             | 
            
                -0.30 / -2.94%
             |             
            
                10.10
             |           
            
                10.30
             |               
            
                9.90
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                2.05
             |                                 
            
                102,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |