| 
                 
                    Closing price on 3/17/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    55.50 | 
                 
                
                    | High | 
                    57.00 | 
                 
                
                    | Low | 
                    55.50 | 
                     
                
                    | Volume | 
                    206,360 | 
                                 
                
                    | Split-adjusted Price | 
                    6.39 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPR Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/17/2008
             | 
            
                -2.00 / -3.45%
             |             
            
                55.50
             |           
            
                57.00
             |               
            
                55.50
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                6.39
             |                                 
            
                206,360
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2008
             | 
            
                0.00 / 0.00%
             |             
            
                56.50
             |           
            
                59.00
             |               
            
                56.50
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                6.62
             |                                 
            
                110,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2008
             | 
            
                0.00 / 0.00%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                57.50
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                6.62
             |                                 
            
                96,580
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2008
             | 
            
                +1.00 / +1.75%
             |             
            
                57.00
             |           
            
                59.00
             |               
            
                57.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                6.62
             |                                 
            
                133,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2008
             | 
            
                -1.00 / -1.72%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                56.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                6.50
             |                                 
            
                137,640
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2008
             | 
            
                0.00 / 0.00%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                57.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                6.62
             |                                 
            
                321,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2008
             | 
            
                +2.50 / +4.50%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                6.62
             |                                 
            
                2,450
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2008
             | 
            
                +2.50 / +4.72%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                6.33
             |                                 
            
                36,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2008
             | 
            
                -2.50 / -4.50%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                53.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                6.05
             |                                 
            
                46,450
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2008
             | 
            
                -2.50 / -4.31%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                6.33
             |                                 
            
                77,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2008
             | 
            
                -3.00 / -4.92%
             |             
            
                58.50
             |           
            
                59.00
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                6.62
             |                                 
            
                94,230
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2008
             | 
            
                -2.50 / -3.94%
             |             
            
                62.50
             |           
            
                63.00
             |               
            
                60.50
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                6.96
             |                                 
            
                70,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2008
             | 
            
                0.00 / 0.00%
             |             
            
                64.50
             |           
            
                64.50
             |               
            
                63.00
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                7.24
             |                                 
            
                58,690
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2008
             | 
            
                -3.00 / -4.51%
             |             
            
                65.00
             |           
            
                68.00
             |               
            
                63.50
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                7.24
             |                                 
            
                107,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2008
             | 
            
                -3.50 / -5.00%
             |             
            
                66.50
             |           
            
                67.50
             |               
            
                66.50
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                7.59
             |                                 
            
                46,980
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2008
             | 
            
                +3.00 / +4.48%
             |             
            
                67.00
             |           
            
                70.00
             |               
            
                67.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                7.99
             |                                 
            
                81,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2008
             | 
            
                +0.50 / +0.75%
             |             
            
                63.50
             |           
            
                67.00
             |               
            
                63.50
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                7.64
             |                                 
            
                87,280
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2008
             | 
            
                -3.00 / -4.32%
             |             
            
                66.50
             |           
            
                66.50
             |               
            
                66.50
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                7.59
             |                                 
            
                65,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2008
             | 
            
                -3.50 / -4.79%
             |             
            
                69.50
             |           
            
                72.00
             |               
            
                69.50
             |                           
            
                69.50
             | 
            
                69.50
             |                     
            
                7.93
             |                                 
            
                100,940
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2008
             | 
            
                -0.50 / -0.68%
             |             
            
                73.00
             |           
            
                74.00
             |               
            
                72.00
             |                           
            
                73.00
             | 
            
                73.00
             |                     
            
                8.33
             |                                 
            
                72,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2008
             | 
            
                -3.00 / -3.92%
             |             
            
                73.00
             |           
            
                75.00
             |               
            
                73.00
             |                           
            
                73.50
             | 
            
                73.50
             |                     
            
                8.39
             |                                 
            
                112,410
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2008
             | 
            
                0.00 / 0.00%
             |             
            
                76.50
             |           
            
                76.50
             |               
            
                75.00
             |                           
            
                76.50
             | 
            
                76.50
             |                     
            
                8.73
             |                                 
            
                30,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2008
             | 
            
                0.00 / 0.00%
             |             
            
                78.50
             |           
            
                78.50
             |               
            
                76.50
             |                           
            
                76.50
             | 
            
                76.50
             |                     
            
                8.73
             |                                 
            
                49,930
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2008
             | 
            
                -1.50 / -1.92%
             |             
            
                77.50
             |           
            
                77.50
             |               
            
                76.00
             |                           
            
                76.50
             | 
            
                76.50
             |                     
            
                8.73
             |                                 
            
                55,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2008
             | 
            
                -4.00 / -4.88%
             |             
            
                81.00
             |           
            
                81.00
             |               
            
                77.50
             |                           
            
                78.00
             | 
            
                78.00
             |                     
            
                8.90
             |                                 
            
                41,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2008
             | 
            
                +3.50 / +4.46%
             |             
            
                80.00
             |           
            
                82.00
             |               
            
                80.00
             |                           
            
                82.00
             | 
            
                82.00
             |                     
            
                9.18
             |                                 
            
                166,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2008
             | 
            
                -0.50 / -0.63%
             |             
            
                77.10
             |           
            
                79.00
             |               
            
                77.00
             |                           
            
                78.50
             | 
            
                78.50
             |                     
            
                8.79
             |                                 
            
                77,760
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2008
             | 
            
                +3.50 / +4.64%
             |             
            
                79.00
             |           
            
                79.00
             |               
            
                79.00
             |                           
            
                79.00
             | 
            
                79.00
             |                     
            
                8.85
             |                                 
            
                148,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2008
             | 
            
                +3.50 / +4.86%
             |             
            
                73.50
             |           
            
                75.50
             |               
            
                73.50
             |                           
            
                75.50
             | 
            
                75.50
             |                     
            
                8.46
             |                                 
            
                88,620
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2008
             | 
            
                0.00 / 0.00%
             |             
            
                71.50
             |           
            
                72.00
             |               
            
                71.50
             |                           
            
                72.00
             | 
            
                72.00
             |                     
            
                8.06
             |                                 
            
                58,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |