| 
                 
                    Closing price on 6/21/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    56.50 | 
                 
                
                    | High | 
                    56.50 | 
                 
                
                    | Low | 
                    55.00 | 
                     
                
                    | Volume | 
                    37,230 | 
                                 
                
                    | Split-adjusted Price | 
                    7.68 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPR Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/21/2011
             | 
            
                -1.00 / -1.74%
             |             
            
                56.50
             |           
            
                56.50
             |               
            
                55.00
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                7.68
             |                                 
            
                37,230
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2011
             | 
            
                +2.50 / +4.55%
             |             
            
                55.00
             |           
            
                57.50
             |               
            
                55.00
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                7.82
             |                                 
            
                4,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2011
             | 
            
                -2.50 / -4.35%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                7.48
             |                                 
            
                54,450
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2011
             | 
            
                +1.50 / +2.68%
             |             
            
                57.50
             |           
            
                58.00
             |               
            
                56.00
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                7.82
             |                                 
            
                2,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2011
             | 
            
                -2.50 / -4.27%
             |             
            
                56.50
             |           
            
                58.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                7.62
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2011
             | 
            
                +2.00 / +3.54%
             |             
            
                57.00
             |           
            
                58.50
             |               
            
                57.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                7.96
             |                                 
            
                1,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2011
             | 
            
                -2.00 / -3.42%
             |             
            
                56.50
             |           
            
                58.00
             |               
            
                56.50
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                7.68
             |                                 
            
                80,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2011
             | 
            
                0.00 / 0.00%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                57.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                7.96
             |                                 
            
                52,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2011
             | 
            
                +1.50 / +2.63%
             |             
            
                57.00
             |           
            
                58.50
             |               
            
                56.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                7.96
             |                                 
            
                12,210
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2011
             | 
            
                +1.00 / +1.79%
             |             
            
                57.00
             |           
            
                58.00
             |               
            
                56.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                7.75
             |                                 
            
                21,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2011
             | 
            
                -1.00 / -1.75%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                54.50
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                7.62
             |                                 
            
                197,050
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                56.50
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                7.75
             |                                 
            
                15,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2011
             | 
            
                -0.50 / -0.87%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                55.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                7.75
             |                                 
            
                55,220
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2011
             | 
            
                +1.50 / +2.68%
             |             
            
                57.50
             |           
            
                58.00
             |               
            
                57.50
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                7.82
             |                                 
            
                24,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2011
             | 
            
                +1.00 / +1.82%
             |             
            
                55.00
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                7.62
             |                                 
            
                16,310
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2011
             | 
            
                0.00 / 0.00%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                7.48
             |                                 
            
                10,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2011
             | 
            
                -2.50 / -4.35%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                7.48
             |                                 
            
                21,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2011
             | 
            
                +1.50 / +2.68%
             |             
            
                56.00
             |           
            
                57.50
             |               
            
                56.00
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                7.82
             |                                 
            
                29,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2011
             | 
            
                +1.50 / +2.75%
             |             
            
                54.50
             |           
            
                56.00
             |               
            
                54.50
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                7.62
             |                                 
            
                450
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2011
             | 
            
                -0.50 / -0.91%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                53.50
             |                           
            
                54.50
             | 
            
                54.50
             |                     
            
                7.41
             |                                 
            
                14,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2011
             | 
            
                -2.50 / -4.35%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                7.48
             |                                 
            
                17,040
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2011
             | 
            
                -0.50 / -0.86%
             |             
            
                57.00
             |           
            
                57.50
             |               
            
                55.50
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                7.82
             |                                 
            
                5,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2011
             | 
            
                +1.50 / +2.65%
             |             
            
                56.00
             |           
            
                58.00
             |               
            
                56.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                7.89
             |                                 
            
                4,490
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                54.50
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                7.68
             |                                 
            
                1,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2011
             | 
            
                +0.50 / +0.89%
             |             
            
                56.00
             |           
            
                56.50
             |               
            
                54.00
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                7.68
             |                                 
            
                5,390
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2011
             | 
            
                -1.00 / -1.75%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                55.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                7.62
             |                                 
            
                4,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2011
             | 
            
                +0.50 / +0.88%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                7.75
             |                                 
            
                110
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2011
             | 
            
                -2.50 / -4.24%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                56.50
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                7.68
             |                                 
            
                63,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2011
             | 
            
                +2.00 / +3.51%
             |             
            
                56.50
             |           
            
                59.00
             |               
            
                56.50
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                8.02
             |                                 
            
                9,190
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2011
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                55.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                7.75
             |                                 
            
                72,720
             |  
            
                 
             |                                                              
             
    
         
    
    
 |