| 
                 
                    Closing price on 12/19/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    12.60 | 
                 
                
                    | High | 
                    12.70 | 
                 
                
                    | Low | 
                    12.60 | 
                     
                
                    | Volume | 
                    1,893,080 | 
                                 
                
                    | Split-adjusted Price | 
                    4.54 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PVT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/19/2013
             | 
            
                +0.10 / +0.79%
             |             
            
                12.60
             |           
            
                12.70
             |               
            
                12.60
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                4.54
             |                                 
            
                1,893,080
             |            
            
                 
             |                                       
         
    
        
            | 
                12/18/2013
             | 
            
                -0.10 / -0.79%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.50
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                4.50
             |                                 
            
                1,400,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2013
             | 
            
                +0.20 / +1.60%
             |             
            
                12.50
             |           
            
                12.70
             |               
            
                12.50
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                4.54
             |                                 
            
                1,105,170
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2013
             | 
            
                +0.10 / +0.81%
             |             
            
                12.30
             |           
            
                12.70
             |               
            
                12.30
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                4.47
             |                                 
            
                1,021,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2013
             | 
            
                +0.10 / +0.81%
             |             
            
                12.30
             |           
            
                12.50
             |               
            
                12.10
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                4.43
             |                                 
            
                1,267,510
             |            
            
                 
             |                                       
         
    
        
            | 
                12/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                12.20
             |           
            
                12.40
             |               
            
                11.70
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                4.40
             |                                 
            
                2,470,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2013
             | 
            
                -0.50 / -3.91%
             |             
            
                12.60
             |           
            
                12.70
             |               
            
                12.20
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                4.40
             |                                 
            
                2,870,510
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2013
             | 
            
                -0.10 / -0.78%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.70
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                4.57
             |                                 
            
                1,711,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2013
             | 
            
                +0.50 / +4.03%
             |             
            
                12.90
             |           
            
                13.00
             |               
            
                12.70
             |                           
            
                12.90
             | 
            
                12.90
             |                     
            
                4.61
             |                                 
            
                5,380,230
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2013
             | 
            
                -0.10 / -0.80%
             |             
            
                12.40
             |           
            
                12.60
             |               
            
                12.30
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                4.43
             |                                 
            
                2,489,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2013
             | 
            
                -0.10 / -0.79%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.20
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                4.47
             |                                 
            
                2,308,180
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2013
             | 
            
                +0.20 / +1.61%
             |             
            
                12.60
             |           
            
                12.90
             |               
            
                12.50
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                4.50
             |                                 
            
                4,269,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2013
             | 
            
                +0.80 / +6.90%
             |             
            
                11.60
             |           
            
                12.40
             |               
            
                11.60
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                4.43
             |                                 
            
                7,590,550
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2013
             | 
            
                +0.10 / +0.87%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.40
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                4.15
             |                                 
            
                1,295,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2013
             | 
            
                +0.10 / +0.88%
             |             
            
                11.50
             |           
            
                11.80
             |               
            
                11.40
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                4.11
             |                                 
            
                2,924,090
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2013
             | 
            
                -0.10 / -0.87%
             |             
            
                11.50
             |           
            
                11.60
             |               
            
                11.30
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                4.07
             |                                 
            
                1,227,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                11.50
             |           
            
                11.70
             |               
            
                11.30
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                4.11
             |                                 
            
                3,033,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2013
             | 
            
                +0.10 / +0.88%
             |             
            
                11.40
             |           
            
                11.70
             |               
            
                11.30
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                4.11
             |                                 
            
                2,387,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2013
             | 
            
                -0.20 / -1.72%
             |             
            
                11.80
             |           
            
                12.00
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                4.07
             |                                 
            
                2,380,970
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2013
             | 
            
                +0.60 / +5.45%
             |             
            
                11.20
             |           
            
                11.60
             |               
            
                11.10
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                4.15
             |                                 
            
                4,373,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2013
             | 
            
                -0.40 / -3.51%
             |             
            
                11.50
             |           
            
                12.10
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                3.93
             |                                 
            
                6,074,820
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2013
             | 
            
                +0.50 / +4.59%
             |             
            
                10.90
             |           
            
                11.40
             |               
            
                10.90
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                4.07
             |                                 
            
                4,000,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.80
             |           
            
                11.10
             |               
            
                10.70
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                3.90
             |                                 
            
                3,205,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2013
             | 
            
                +0.60 / +5.83%
             |             
            
                10.40
             |           
            
                11.00
             |               
            
                10.30
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                3.90
             |                                 
            
                8,229,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2013
             | 
            
                +0.40 / +4.04%
             |             
            
                9.90
             |           
            
                10.30
             |               
            
                9.90
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                3.68
             |                                 
            
                2,903,430
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2013
             | 
            
                -0.10 / -1.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.70
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                3.54
             |                                 
            
                2,562,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2013
             | 
            
                -0.10 / -0.99%
             |             
            
                10.00
             |           
            
                10.20
             |               
            
                9.80
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                3.57
             |                                 
            
                2,336,290
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2013
             | 
            
                -0.10 / -0.98%
             |             
            
                10.30
             |           
            
                10.40
             |               
            
                10.00
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                3.61
             |                                 
            
                2,453,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2013
             | 
            
                +0.20 / +2.00%
             |             
            
                10.00
             |           
            
                10.20
             |               
            
                9.90
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                3.65
             |                                 
            
                2,001,160
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2013
             | 
            
                -0.10 / -0.99%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                9.90
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                3.57
             |                                 
            
                2,863,170
             |  
            
                 
             |                                                              
             
    
         
    
    
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