| 
                 
                    Closing price on 2/24/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    63.00 | 
                 
                
                    | High | 
                    63.00 | 
                 
                
                    | Low | 
                    63.00 | 
                     
                
                    | Volume | 
                    100 | 
                                 
                
                    | Split-adjusted Price | 
                    8.34 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPR Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/24/2011
             | 
            
                -3.00 / -4.55%
             |             
            
                63.00
             |           
            
                63.00
             |               
            
                63.00
             |                           
            
                63.00
             | 
            
                63.00
             |                     
            
                8.34
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2011
             | 
            
                -1.00 / -1.49%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                64.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                8.74
             |                                 
            
                20,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2011
             | 
            
                +3.00 / +4.69%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.87
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2011
             | 
            
                -1.50 / -2.29%
             |             
            
                63.00
             |           
            
                64.00
             |               
            
                63.00
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                8.47
             |                                 
            
                12,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2011
             | 
            
                -2.00 / -2.96%
             |             
            
                67.50
             |           
            
                67.50
             |               
            
                65.50
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                8.67
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2011
             | 
            
                +0.50 / +0.75%
             |             
            
                67.00
             |           
            
                67.50
             |               
            
                67.00
             |                           
            
                67.50
             | 
            
                67.50
             |                     
            
                8.94
             |                                 
            
                20,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2011
             | 
            
                0.00 / 0.00%
             |             
            
                67.50
             |           
            
                67.50
             |               
            
                66.50
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.87
             |                                 
            
                31,660
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2011
             | 
            
                0.00 / 0.00%
             |             
            
                69.00
             |           
            
                69.00
             |               
            
                66.50
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.87
             |                                 
            
                13,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2011
             | 
            
                0.00 / 0.00%
             |             
            
                66.00
             |           
            
                67.00
             |               
            
                66.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.87
             |                                 
            
                1,660
             |            
            
                 
             |                                       
         
    
        
            | 
                2/11/2011
             | 
            
                0.00 / 0.00%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.87
             |                                 
            
                17,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2011
             | 
            
                -0.50 / -0.74%
             |             
            
                67.50
             |           
            
                67.50
             |               
            
                67.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.87
             |                                 
            
                10,510
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2011
             | 
            
                -2.00 / -2.88%
             |             
            
                69.50
             |           
            
                69.50
             |               
            
                67.50
             |                           
            
                67.50
             | 
            
                67.50
             |                     
            
                8.94
             |                                 
            
                18,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2011
             | 
            
                +0.50 / +0.72%
             |             
            
                69.50
             |           
            
                69.50
             |               
            
                69.50
             |                           
            
                69.50
             | 
            
                69.50
             |                     
            
                9.20
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2011
             | 
            
                +1.00 / +1.47%
             |             
            
                68.00
             |           
            
                69.00
             |               
            
                67.00
             |                           
            
                69.00
             | 
            
                69.00
             |                     
            
                9.14
             |                                 
            
                40,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2011
             | 
            
                +1.00 / +1.49%
             |             
            
                67.50
             |           
            
                68.00
             |               
            
                66.50
             |                           
            
                68.00
             | 
            
                68.00
             |                     
            
                9.00
             |                                 
            
                52,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2011
             | 
            
                +1.00 / +1.52%
             |             
            
                66.00
             |           
            
                67.00
             |               
            
                66.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.87
             |                                 
            
                6,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2011
             | 
            
                -0.50 / -0.75%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                8.74
             |                                 
            
                39,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2011
             | 
            
                0.00 / 0.00%
             |             
            
                66.50
             |           
            
                67.00
             |               
            
                66.50
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                8.80
             |                                 
            
                9,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2011
             | 
            
                +0.50 / +0.76%
             |             
            
                67.00
             |           
            
                67.00
             |               
            
                66.50
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                8.80
             |                                 
            
                22,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2011
             | 
            
                -1.00 / -1.49%
             |             
            
                66.00
             |           
            
                66.00
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                8.74
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2011
             | 
            
                +1.00 / +1.52%
             |             
            
                66.50
             |           
            
                67.00
             |               
            
                66.00
             |                           
            
                67.00
             | 
            
                67.00
             |                     
            
                8.87
             |                                 
            
                48,390
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2011
             | 
            
                -0.50 / -0.75%
             |             
            
                66.00
             |           
            
                66.00
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                8.74
             |                                 
            
                15,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2011
             | 
            
                +0.50 / +0.76%
             |             
            
                66.50
             |           
            
                67.00
             |               
            
                65.50
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                8.80
             |                                 
            
                4,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2011
             | 
            
                +1.50 / +2.33%
             |             
            
                66.00
             |           
            
                66.00
             |               
            
                65.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                8.74
             |                                 
            
                4,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2011
             | 
            
                -1.00 / -1.53%
             |             
            
                64.50
             |           
            
                64.50
             |               
            
                64.50
             |                           
            
                64.50
             | 
            
                64.50
             |                     
            
                8.54
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2011
             | 
            
                -1.00 / -1.50%
             |             
            
                66.50
             |           
            
                66.50
             |               
            
                65.50
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                8.67
             |                                 
            
                5,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2011
             | 
            
                +2.50 / +3.91%
             |             
            
                64.00
             |           
            
                66.50
             |               
            
                64.00
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                8.80
             |                                 
            
                20,640
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2011
             | 
            
                -2.00 / -3.03%
             |             
            
                65.00
             |           
            
                65.00
             |               
            
                64.00
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                8.47
             |                                 
            
                13,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2011
             | 
            
                -0.50 / -0.75%
             |             
            
                66.00
             |           
            
                66.00
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                66.00
             |                     
            
                8.74
             |                                 
            
                14,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/6/2011
             | 
            
                -0.50 / -0.75%
             |             
            
                66.00
             |           
            
                66.50
             |               
            
                66.00
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                8.80
             |                                 
            
                6,980
             |  
            
                 
             |                                                              
             
    
         
    
    
 |