| 
                 
                    Closing price on 6/14/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.50 | 
                 
                
                    | High | 
                    9.80 | 
                 
                
                    | Low | 
                    9.50 | 
                     
                
                    | Volume | 
                    11,600 | 
                                 
                
                    | Split-adjusted Price | 
                    2.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/14/2013
             | 
            
                +0.30 / +3.16%
             |             
            
                9.50
             |           
            
                9.80
             |               
            
                9.50
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                2.63
             |                                 
            
                11,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2013
             | 
            
                -0.10 / -1.04%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                2.55
             |                                 
            
                13,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.90
             |               
            
                9.50
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                2.58
             |                                 
            
                32,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2013
             | 
            
                -0.40 / -4.00%
             |             
            
                9.60
             |           
            
                9.60
             |               
            
                9.60
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                2.58
             |                                 
            
                17,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.60
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.69
             |                                 
            
                13,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2013
             | 
            
                +0.10 / +1.01%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.69
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.90
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                2.66
             |                                 
            
                3,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2013
             | 
            
                -0.10 / -1.00%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.90
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                2.66
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2013
             | 
            
                +0.20 / +2.04%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                9.70
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.69
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2013
             | 
            
                -0.20 / -2.00%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                2.63
             |                                 
            
                4,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2013
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                10.00
             |               
            
                9.60
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.69
             |                                 
            
                13,701
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2013
             | 
            
                +0.10 / +1.01%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.80
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.69
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2013
             | 
            
                -0.40 / -3.88%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                9.90
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                2.66
             |                                 
            
                44,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2013
             | 
            
                -0.10 / -0.96%
             |             
            
                10.00
             |           
            
                10.30
             |               
            
                10.00
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                2.77
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2013
             | 
            
                -1.00 / -8.77%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.30
             |                           
            
                10.40
             | 
            
                10.40
             |                     
            
                2.79
             |                                 
            
                67,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                2.69
             |                                 
            
                54,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                11.50
             |           
            
                11.70
             |               
            
                11.30
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                2.69
             |                                 
            
                31,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2013
             | 
            
                -0.20 / -1.72%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.30
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                2.69
             |                                 
            
                26,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2013
             | 
            
                +0.20 / +1.75%
             |             
            
                11.30
             |           
            
                11.60
             |               
            
                11.10
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                2.73
             |                                 
            
                31,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2013
             | 
            
                -0.30 / -2.56%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.30
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                2.69
             |                                 
            
                26,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2013
             | 
            
                +1.00 / +9.35%
             |             
            
                11.00
             |           
            
                11.70
             |               
            
                11.00
             |                           
            
                11.70
             | 
            
                11.70
             |                     
            
                2.76
             |                                 
            
                246,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2013
             | 
            
                +0.30 / +2.88%
             |             
            
                10.30
             |           
            
                10.70
             |               
            
                10.30
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                2.52
             |                                 
            
                36,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2013
             | 
            
                +0.40 / +4.00%
             |             
            
                10.20
             |           
            
                10.50
             |               
            
                10.20
             |                           
            
                10.40
             | 
            
                10.40
             |                     
            
                2.45
             |                                 
            
                18,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2013
             | 
            
                -0.20 / -1.96%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                2.36
             |                                 
            
                21,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                10.10
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                2.40
             |                                 
            
                7,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2013
             | 
            
                -0.10 / -0.97%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                10.20
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                2.40
             |                                 
            
                5,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                10.20
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                2.43
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2013
             | 
            
                +0.20 / +1.98%
             |             
            
                10.10
             |           
            
                10.30
             |               
            
                10.10
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                2.43
             |                                 
            
                6,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2013
             | 
            
                -0.30 / -2.88%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                10.00
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                2.38
             |                                 
            
                75,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.40
             |               
            
                10.20
             |                           
            
                10.40
             | 
            
                10.40
             |                     
            
                2.45
             |                                 
            
                68,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |