| 
                 
                    Closing price on 9/13/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.80 | 
                 
                
                    | High | 
                    7.20 | 
                 
                
                    | Low | 
                    6.80 | 
                     
                
                    | Volume | 
                    35,000 | 
                                 
                
                    | Split-adjusted Price | 
                    1.70 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PPS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/13/2012
             | 
            
                +0.20 / +2.86%
             |             
            
                6.80
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                1.70
             |                                 
            
                35,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                1.65
             |                                 
            
                42,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.90
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                1.65
             |                                 
            
                13,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2012
             | 
            
                -0.40 / -5.41%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                1.65
             |                                 
            
                82,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2012
             | 
            
                -0.10 / -1.33%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                1.74
             |                                 
            
                35,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                1.77
             |                                 
            
                31,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2012
             | 
            
                -0.20 / -2.60%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                1.77
             |                                 
            
                40,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2012
             | 
            
                +0.20 / +2.67%
             |             
            
                7.50
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                1.82
             |                                 
            
                28,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                1.77
             |                                 
            
                12,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2012
             | 
            
                -0.20 / -2.60%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.20
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                1.77
             |                                 
            
                67,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2012
             | 
            
                +0.40 / +5.48%
             |             
            
                7.30
             |           
            
                7.80
             |               
            
                7.30
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                1.82
             |                                 
            
                18,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2012
             | 
            
                +0.30 / +4.29%
             |             
            
                6.80
             |           
            
                7.30
             |               
            
                6.80
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                1.72
             |                                 
            
                7,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2012
             | 
            
                -0.50 / -6.67%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                1.65
             |                                 
            
                87,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.90
             |               
            
                7.00
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                1.77
             |                                 
            
                139,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2012
             | 
            
                -0.50 / -6.25%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                1.77
             |                                 
            
                157,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2012
             | 
            
                -0.50 / -5.88%
             |             
            
                8.00
             |           
            
                8.50
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                1.89
             |                                 
            
                85,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2012
             | 
            
                -0.60 / -6.59%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                2.00
             |                                 
            
                102,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2012
             | 
            
                +0.10 / +1.11%
             |             
            
                9.00
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                2.15
             |                                 
            
                54,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.12
             |                                 
            
                41,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2012
             | 
            
                -0.10 / -1.10%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.12
             |                                 
            
                25,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                8.80
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                2.15
             |                                 
            
                24,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                2.15
             |                                 
            
                12,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2012
             | 
            
                -0.10 / -1.09%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                8.90
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                2.15
             |                                 
            
                32,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2012
             | 
            
                -0.10 / -1.08%
             |             
            
                9.10
             |           
            
                9.20
             |               
            
                8.90
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                2.17
             |                                 
            
                32,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2012
             | 
            
                +0.10 / +1.09%
             |             
            
                9.30
             |           
            
                9.40
             |               
            
                9.00
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                2.19
             |                                 
            
                19,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2012
             | 
            
                +0.20 / +2.22%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                2.17
             |                                 
            
                13,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2012
             | 
            
                -0.20 / -2.17%
             |             
            
                9.10
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.12
             |                                 
            
                39,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2012
             | 
            
                +0.60 / +6.98%
             |             
            
                8.80
             |           
            
                9.20
             |               
            
                8.80
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                2.17
             |                                 
            
                35,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2012
             | 
            
                -0.40 / -4.44%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                2.03
             |                                 
            
                22,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2012
             | 
            
                +0.20 / +2.27%
             |             
            
                9.10
             |           
            
                9.10
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                2.12
             |                                 
            
                6,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |