| 
                 
                    Closing price on 12/9/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.40 | 
                 
                
                    | High | 
                    4.60 | 
                 
                
                    | Low | 
                    4.40 | 
                     
                
                    | Volume | 
                    327,400 | 
                                 
                
                    | Split-adjusted Price | 
                    4.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVL Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/9/2011
             | 
            
                -0.10 / -2.17%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.45
             |                     
            
                4.50
             |                                 
            
                327,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2011
             | 
            
                +0.10 / +2.22%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.61
             |                     
            
                4.60
             |                                 
            
                473,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2011
             | 
            
                -0.20 / -4.26%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.60
             |                     
            
                4.50
             |                                 
            
                757,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.82
             |                     
            
                4.70
             |                                 
            
                822,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2011
             | 
            
                +0.20 / +4.44%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.65
             |                     
            
                4.70
             |                                 
            
                863,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2011
             | 
            
                +0.10 / +2.27%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.42
             |                     
            
                4.50
             |                                 
            
                354,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2011
             | 
            
                +0.20 / +4.76%
             |             
            
                4.30
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.35
             |                     
            
                4.40
             |                                 
            
                402,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2011
             | 
            
                -0.10 / -2.33%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.25
             |                     
            
                4.20
             |                                 
            
                251,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2011
             | 
            
                -0.10 / -2.27%
             |             
            
                4.30
             |           
            
                4.70
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.35
             |                     
            
                4.30
             |                                 
            
                436,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2011
             | 
            
                +0.10 / +2.33%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                4.40
             |                                 
            
                158,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2011
             | 
            
                -0.10 / -2.27%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.24
             |                     
            
                4.30
             |                                 
            
                456,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2011
             | 
            
                -0.20 / -4.35%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.44
             |                     
            
                4.40
             |                                 
            
                444,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2011
             | 
            
                +0.20 / +4.55%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.52
             |                     
            
                4.60
             |                                 
            
                318,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.38
             |                     
            
                4.40
             |                                 
            
                640,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2011
             | 
            
                -0.10 / -2.22%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                4.40
             |                                 
            
                221,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2011
             | 
            
                -0.20 / -4.26%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.46
             |                     
            
                4.50
             |                                 
            
                672,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2011
             | 
            
                -0.10 / -2.08%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.74
             |                     
            
                4.70
             |                                 
            
                518,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2011
             | 
            
                +0.20 / +4.35%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.80
             | 
            
                4.69
             |                     
            
                4.80
             |                                 
            
                499,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2011
             | 
            
                +0.10 / +2.22%
             |             
            
                4.40
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.47
             |                     
            
                4.60
             |                                 
            
                397,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2011
             | 
            
                -0.10 / -2.17%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.46
             |                     
            
                4.50
             |                                 
            
                814,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.74
             |                     
            
                4.60
             |                                 
            
                551,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2011
             | 
            
                -0.30 / -6.12%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.65
             |                     
            
                4.60
             |                                 
            
                752,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2011
             | 
            
                -0.30 / -5.77%
             |             
            
                5.10
             |           
            
                5.20
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.92
             |                     
            
                4.90
             |                                 
            
                822,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2011
             | 
            
                -0.10 / -1.89%
             |             
            
                5.10
             |           
            
                5.30
             |               
            
                5.00
             |                           
            
                5.20
             | 
            
                5.09
             |                     
            
                5.20
             |                                 
            
                745,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2011
             | 
            
                -0.20 / -3.64%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.30
             |                           
            
                5.30
             | 
            
                5.31
             |                     
            
                5.30
             |                                 
            
                837,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2011
             | 
            
                -0.10 / -1.79%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.62
             |                     
            
                5.50
             |                                 
            
                752,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2011
             | 
            
                +0.10 / +1.82%
             |             
            
                5.30
             |           
            
                5.60
             |               
            
                5.30
             |                           
            
                5.60
             | 
            
                5.59
             |                     
            
                5.60
             |                                 
            
                835,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2011
             | 
            
                -0.10 / -1.79%
             |             
            
                5.30
             |           
            
                5.60
             |               
            
                5.30
             |                           
            
                5.50
             | 
            
                5.34
             |                     
            
                5.50
             |                                 
            
                3,271,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2011
             | 
            
                -0.40 / -6.67%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                5.60
             |                                 
            
                344,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2011
             | 
            
                -0.50 / -7.69%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                6.00
             |                                 
            
                497,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |