| 
                 
                    Closing price on 4/5/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    28.30 | 
                 
                
                    | High | 
                    28.40 | 
                 
                
                    | Low | 
                    28.30 | 
                     
                
                    | Volume | 
                    8,500 | 
                                 
                
                    | Split-adjusted Price | 
                    5.39 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PDR Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/5/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.30
             |           
            
                28.40
             |               
            
                28.30
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                5.39
             |                                 
            
                8,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2011
             | 
            
                -0.20 / -0.70%
             |             
            
                28.40
             |           
            
                28.50
             |               
            
                28.40
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                5.39
             |                                 
            
                10,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.60
             |               
            
                28.50
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                5.43
             |                                 
            
                64,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2011
             | 
            
                +0.10 / +0.35%
             |             
            
                28.50
             |           
            
                28.60
             |               
            
                28.50
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                5.43
             |                                 
            
                11,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2011
             | 
            
                -0.10 / -0.35%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                28.40
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                5.41
             |                                 
            
                19,160
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.60
             |           
            
                28.90
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                5.43
             |                                 
            
                19,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.90
             |           
            
                30.00
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                5.43
             |                                 
            
                14,770
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2011
             | 
            
                +0.30 / +1.06%
             |             
            
                28.50
             |           
            
                28.60
             |               
            
                28.30
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                5.43
             |                                 
            
                5,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2011
             | 
            
                -0.20 / -0.70%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.20
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                5.37
             |                                 
            
                5,750
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.70
             |           
            
                28.70
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                5.41
             |                                 
            
                10,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2011
             | 
            
                -0.10 / -0.35%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                27.30
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                5.41
             |                                 
            
                10,530
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2011
             | 
            
                -0.20 / -0.69%
             |             
            
                28.80
             |           
            
                28.90
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                5.43
             |                                 
            
                17,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2011
             | 
            
                +0.20 / +0.70%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                28.60
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                5.47
             |                                 
            
                17,640
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2011
             | 
            
                +0.30 / +1.06%
             |             
            
                28.30
             |           
            
                28.60
             |               
            
                28.30
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                5.43
             |                                 
            
                4,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2011
             | 
            
                +0.10 / +0.35%
             |             
            
                28.20
             |           
            
                29.00
             |               
            
                28.20
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                5.37
             |                                 
            
                4,220
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2011
             | 
            
                +0.10 / +0.36%
             |             
            
                28.10
             |           
            
                28.20
             |               
            
                28.10
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                5.36
             |                                 
            
                2,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2011
             | 
            
                -1.30 / -4.42%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                28.00
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                5.34
             |                                 
            
                56,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2011
             | 
            
                -1.00 / -3.29%
             |             
            
                30.40
             |           
            
                30.40
             |               
            
                29.10
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                5.58
             |                                 
            
                40,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2011
             | 
            
                -0.10 / -0.33%
             |             
            
                30.50
             |           
            
                30.90
             |               
            
                30.40
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                5.58
             |                                 
            
                35,430
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2011
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.50
             |               
            
                30.00
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                5.60
             |                                 
            
                6,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2011
             | 
            
                0.00 / 0.00%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                30.00
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                5.60
             |                                 
            
                76,790
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2011
             | 
            
                +0.50 / +1.67%
             |             
            
                30.00
             |           
            
                30.50
             |               
            
                29.80
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                5.60
             |                                 
            
                16,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2011
             | 
            
                -0.10 / -0.33%
             |             
            
                30.10
             |           
            
                30.10
             |               
            
                29.80
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                5.51
             |                                 
            
                7,260
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2011
             | 
            
                +0.10 / +0.33%
             |             
            
                30.20
             |           
            
                30.20
             |               
            
                30.00
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                5.53
             |                                 
            
                7,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2011
             | 
            
                -1.00 / -3.23%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                29.50
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                5.51
             |                                 
            
                86,850
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2011
             | 
            
                -0.60 / -1.90%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                31.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                5.69
             |                                 
            
                9,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2011
             | 
            
                +0.10 / +0.32%
             |             
            
                31.50
             |           
            
                31.70
             |               
            
                31.50
             |                           
            
                31.60
             | 
            
                31.60
             |                     
            
                5.80
             |                                 
            
                4,790
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2011
             | 
            
                +0.60 / +1.94%
             |             
            
                31.00
             |           
            
                31.50
             |               
            
                30.30
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                5.79
             |                                 
            
                7,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2011
             | 
            
                -1.30 / -4.04%
             |             
            
                32.00
             |           
            
                32.90
             |               
            
                30.90
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                5.68
             |                                 
            
                81,740
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                32.20
             |           
            
                32.20
             |               
            
                30.90
             |                           
            
                32.20
             | 
            
                32.20
             |                     
            
                5.91
             |                                 
            
                20,010
             |  
            
                 
             |                                                              
             
    
         
    
    
 |