| 
                 
                    Closing price on 9/21/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    36.80 | 
                 
                
                    | High | 
                    36.90 | 
                 
                
                    | Low | 
                    36.20 | 
                     
                
                    | Volume | 
                    39,230 | 
                                 
                
                    | Split-adjusted Price | 
                    6.45 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PDR Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/21/2010
             | 
            
                -0.70 / -1.90%
             |             
            
                36.80
             |           
            
                36.90
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                6.45
             |                                 
            
                39,230
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2010
             | 
            
                +0.20 / +0.54%
             |             
            
                38.30
             |           
            
                38.30
             |               
            
                36.70
             |                           
            
                36.90
             | 
            
                36.90
             |                     
            
                6.58
             |                                 
            
                68,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2010
             | 
            
                0.00 / 0.00%
             |             
            
                36.60
             |           
            
                36.70
             |               
            
                36.50
             |                           
            
                36.70
             | 
            
                36.70
             |                     
            
                6.54
             |                                 
            
                69,580
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2010
             | 
            
                +0.40 / +1.10%
             |             
            
                36.30
             |           
            
                36.70
             |               
            
                36.20
             |                           
            
                36.70
             | 
            
                36.70
             |                     
            
                6.54
             |                                 
            
                130,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2010
             | 
            
                +1.40 / +4.01%
             |             
            
                35.20
             |           
            
                36.30
             |               
            
                35.20
             |                           
            
                36.30
             | 
            
                36.30
             |                     
            
                6.47
             |                                 
            
                54,380
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2010
             | 
            
                +1.50 / +4.49%
             |             
            
                33.30
             |           
            
                34.90
             |               
            
                33.30
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                6.22
             |                                 
            
                69,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2010
             | 
            
                -1.50 / -4.30%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                33.20
             |                           
            
                33.40
             | 
            
                33.40
             |                     
            
                5.95
             |                                 
            
                29,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2010
             | 
            
                -0.10 / -0.29%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                6.22
             |                                 
            
                15,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2010
             | 
            
                -0.50 / -1.41%
             |             
            
                35.70
             |           
            
                35.80
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                6.24
             |                                 
            
                35,480
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2010
             | 
            
                -0.30 / -0.84%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                6.33
             |                                 
            
                26,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2010
             | 
            
                -0.20 / -0.56%
             |             
            
                36.30
             |           
            
                36.40
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                6.38
             |                                 
            
                25,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2010
             | 
            
                +0.20 / +0.56%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                35.80
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                6.42
             |                                 
            
                19,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                6.38
             |                                 
            
                19,550
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2010
             | 
            
                +0.60 / +1.70%
             |             
            
                35.50
             |           
            
                35.80
             |               
            
                35.20
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                6.38
             |                                 
            
                22,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2010
             | 
            
                +1.60 / +4.76%
             |             
            
                35.00
             |           
            
                35.20
             |               
            
                35.00
             |                           
            
                35.20
             | 
            
                35.20
             |                     
            
                6.27
             |                                 
            
                37,050
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2010
             | 
            
                +1.60 / +5.00%
             |             
            
                33.00
             |           
            
                33.60
             |               
            
                32.50
             |                           
            
                33.60
             | 
            
                33.60
             |                     
            
                5.99
             |                                 
            
                50,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2010
             | 
            
                -1.00 / -3.03%
             |             
            
                33.00
             |           
            
                34.00
             |               
            
                31.40
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                5.70
             |                                 
            
                104,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2010
             | 
            
                -1.50 / -4.35%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                5.88
             |                                 
            
                119,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2010
             | 
            
                -1.80 / -4.96%
             |             
            
                36.30
             |           
            
                36.30
             |               
            
                34.50
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                6.15
             |                                 
            
                193,930
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2010
             | 
            
                -0.30 / -0.82%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.30
             |                           
            
                36.30
             | 
            
                36.30
             |                     
            
                6.47
             |                                 
            
                33,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2010
             | 
            
                0.00 / 0.00%
             |             
            
                36.60
             |           
            
                36.60
             |               
            
                36.00
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                6.52
             |                                 
            
                33,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2010
             | 
            
                -0.20 / -0.54%
             |             
            
                36.80
             |           
            
                36.80
             |               
            
                36.50
             |                           
            
                36.60
             | 
            
                36.60
             |                     
            
                6.52
             |                                 
            
                24,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2010
             | 
            
                -0.10 / -0.27%
             |             
            
                36.90
             |           
            
                36.90
             |               
            
                36.00
             |                           
            
                36.80
             | 
            
                36.80
             |                     
            
                6.56
             |                                 
            
                52,520
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2010
             | 
            
                -0.10 / -0.27%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                36.80
             |                           
            
                36.90
             | 
            
                36.90
             |                     
            
                6.58
             |                                 
            
                48,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2010
             | 
            
                +0.70 / +1.93%
             |             
            
                36.30
             |           
            
                37.20
             |               
            
                36.30
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                6.60
             |                                 
            
                32,770
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2010
             | 
            
                +0.10 / +0.28%
             |             
            
                36.20
             |           
            
                36.50
             |               
            
                35.00
             |                           
            
                36.30
             | 
            
                36.30
             |                     
            
                6.47
             |                                 
            
                23,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2010
             | 
            
                -1.70 / -4.49%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                36.20
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                6.45
             |                                 
            
                61,370
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2010
             | 
            
                0.00 / 0.00%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                37.70
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                6.76
             |                                 
            
                49,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2010
             | 
            
                -0.10 / -0.26%
             |             
            
                37.10
             |           
            
                38.00
             |               
            
                37.10
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                6.76
             |                                 
            
                64,940
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2010
             | 
            
                -0.50 / -1.30%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                38.00
             |                           
            
                38.00
             | 
            
                38.00
             |                     
            
                6.77
             |                                 
            
                91,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |