| 
                 
                    Closing price on 12/18/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    78.50 | 
                 
                
                    | High | 
                    81.00 | 
                 
                
                    | Low | 
                    78.50 | 
                     
                
                    | Volume | 
                    35,090 | 
                                 
                
                    | Split-adjusted Price | 
                    9.07 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPR Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/18/2007
             | 
            
                +2.50 / +3.18%
             |             
            
                78.50
             |           
            
                81.00
             |               
            
                78.50
             |                           
            
                81.00
             | 
            
                81.00
             |                     
            
                9.07
             |                                 
            
                35,090
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2007
             | 
            
                -3.50 / -4.27%
             |             
            
                78.50
             |           
            
                80.50
             |               
            
                78.50
             |                           
            
                78.50
             | 
            
                78.50
             |                     
            
                8.79
             |                                 
            
                125,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2007
             | 
            
                -2.50 / -2.96%
             |             
            
                82.00
             |           
            
                84.00
             |               
            
                82.00
             |                           
            
                82.00
             | 
            
                82.00
             |                     
            
                9.18
             |                                 
            
                89,610
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2007
             | 
            
                -3.00 / -3.43%
             |             
            
                87.00
             |           
            
                87.00
             |               
            
                84.50
             |                           
            
                84.50
             | 
            
                84.50
             |                     
            
                9.46
             |                                 
            
                64,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2007
             | 
            
                +1.50 / +1.74%
             |             
            
                85.00
             |           
            
                89.00
             |               
            
                84.50
             |                           
            
                87.50
             | 
            
                87.50
             |                     
            
                9.80
             |                                 
            
                58,290
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2007
             | 
            
                -3.50 / -3.91%
             |             
            
                87.50
             |           
            
                88.00
             |               
            
                86.00
             |                           
            
                86.00
             | 
            
                86.00
             |                     
            
                9.63
             |                                 
            
                59,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2007
             | 
            
                -2.50 / -2.72%
             |             
            
                91.00
             |           
            
                91.00
             |               
            
                89.00
             |                           
            
                89.50
             | 
            
                89.50
             |                     
            
                10.02
             |                                 
            
                112,090
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2007
             | 
            
                +1.00 / +1.10%
             |             
            
                90.00
             |           
            
                93.00
             |               
            
                90.00
             |                           
            
                92.00
             | 
            
                92.00
             |                     
            
                10.30
             |                                 
            
                91,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2007
             | 
            
                -2.50 / -2.67%
             |             
            
                91.00
             |           
            
                92.00
             |               
            
                91.00
             |                           
            
                91.00
             | 
            
                91.00
             |                     
            
                10.19
             |                                 
            
                119,550
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2007
             | 
            
                -1.50 / -1.58%
             |             
            
                94.50
             |           
            
                94.50
             |               
            
                93.00
             |                           
            
                93.50
             | 
            
                93.50
             |                     
            
                10.47
             |                                 
            
                75,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2007
             | 
            
                -1.00 / -1.04%
             |             
            
                96.00
             |           
            
                97.00
             |               
            
                95.00
             |                           
            
                95.00
             | 
            
                95.00
             |                     
            
                10.64
             |                                 
            
                126,880
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2007
             | 
            
                -3.00 / -3.03%
             |             
            
                96.00
             |           
            
                97.00
             |               
            
                95.00
             |                           
            
                96.00
             | 
            
                96.00
             |                     
            
                10.75
             |                                 
            
                186,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2007
             | 
            
                +99.00 / +0.00%
             |             
            
                100.00
             |           
            
                104.00
             |               
            
                98.00
             |                           
            
                99.00
             | 
            
                99.00
             |                     
            
                11.09
             |                                 
            
                456,960
             |            
            
                 
             |                                       
         
    
         
    
    
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