| 
                 
                    Closing price on 4/17/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    51.50 | 
                 
                
                    | High | 
                    52.50 | 
                 
                
                    | Low | 
                    51.50 | 
                     
                
                    | Volume | 
                    54,010 | 
                                 
                
                    | Split-adjusted Price | 
                    5.99 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPR Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/17/2008
             | 
            
                +1.00 / +1.94%
             |             
            
                51.50
             |           
            
                52.50
             |               
            
                51.50
             |                           
            
                52.50
             | 
            
                52.50
             |                     
            
                5.99
             |                                 
            
                54,010
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2008
             | 
            
                -1.00 / -1.90%
             |             
            
                52.00
             |           
            
                52.50
             |               
            
                51.50
             |                           
            
                51.50
             | 
            
                51.50
             |                     
            
                5.88
             |                                 
            
                82,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2008
             | 
            
                0.00 / 0.00%
             |             
            
                51.50
             |           
            
                52.50
             |               
            
                51.50
             |                           
            
                52.50
             | 
            
                52.50
             |                     
            
                5.99
             |                                 
            
                121,890
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2008
             | 
            
                -1.00 / -1.87%
             |             
            
                52.50
             |           
            
                53.00
             |               
            
                52.50
             |                           
            
                52.50
             | 
            
                52.50
             |                     
            
                5.99
             |                                 
            
                244,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2008
             | 
            
                +1.00 / +1.90%
             |             
            
                53.50
             |           
            
                53.50
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.50
             |                     
            
                6.10
             |                                 
            
                65,640
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2008
             | 
            
                +1.00 / +1.94%
             |             
            
                52.50
             |           
            
                52.50
             |               
            
                52.50
             |                           
            
                52.50
             | 
            
                52.50
             |                     
            
                5.99
             |                                 
            
                161,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2008
             | 
            
                +1.00 / +1.98%
             |             
            
                51.50
             |           
            
                51.50
             |               
            
                51.50
             |                           
            
                51.50
             | 
            
                51.50
             |                     
            
                5.88
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2008
             | 
            
                +0.50 / +1.00%
             |             
            
                50.00
             |           
            
                50.50
             |               
            
                50.00
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                5.76
             |                                 
            
                320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2008
             | 
            
                +0.20 / +0.40%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                5.70
             |                                 
            
                510
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2008
             | 
            
                +0.40 / +0.81%
             |             
            
                49.80
             |           
            
                49.80
             |               
            
                49.80
             |                           
            
                49.80
             | 
            
                49.80
             |                     
            
                5.68
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2008
             | 
            
                +0.40 / +0.82%
             |             
            
                49.40
             |           
            
                49.40
             |               
            
                49.40
             |                           
            
                49.40
             | 
            
                49.40
             |                     
            
                5.64
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2008
             | 
            
                +0.40 / +0.82%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                5.59
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2008
             | 
            
                +0.40 / +0.83%
             |             
            
                48.20
             |           
            
                48.60
             |               
            
                48.20
             |                           
            
                48.60
             | 
            
                48.60
             |                     
            
                5.54
             |                                 
            
                530
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2008
             | 
            
                +0.40 / +0.84%
             |             
            
                48.20
             |           
            
                48.20
             |               
            
                48.20
             |                           
            
                48.20
             | 
            
                48.20
             |                     
            
                5.50
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2008
             | 
            
                +2.20 / +4.82%
             |             
            
                47.80
             |           
            
                47.80
             |               
            
                47.60
             |                           
            
                47.80
             | 
            
                47.80
             |                     
            
                5.45
             |                                 
            
                80,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2008
             | 
            
                -2.40 / -5.00%
             |             
            
                45.60
             |           
            
                48.00
             |               
            
                45.60
             |                           
            
                45.60
             | 
            
                45.60
             |                     
            
                5.20
             |                                 
            
                214,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2008
             | 
            
                -2.50 / -4.95%
             |             
            
                48.50
             |           
            
                48.50
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                5.48
             |                                 
            
                205,240
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2008
             | 
            
                -1.50 / -2.88%
             |             
            
                52.50
             |           
            
                52.50
             |               
            
                50.00
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                5.76
             |                                 
            
                200,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2008
             | 
            
                -1.00 / -1.89%
             |             
            
                52.00
             |           
            
                53.50
             |               
            
                51.50
             |                           
            
                52.00
             | 
            
                52.00
             |                     
            
                5.93
             |                                 
            
                248,660
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2008
             | 
            
                -0.50 / -0.93%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                53.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                6.05
             |                                 
            
                179,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2008
             | 
            
                -2.50 / -4.46%
             |             
            
                53.50
             |           
            
                54.00
             |               
            
                53.50
             |                           
            
                53.50
             | 
            
                53.50
             |                     
            
                6.10
             |                                 
            
                244,950
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |