| 
                 
                    Closing price on 5/20/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    53.00 | 
                 
                
                    | High | 
                    53.00 | 
                 
                
                    | Low | 
                    52.00 | 
                     
                
                    | Volume | 
                    3,620 | 
                                 
                
                    | Split-adjusted Price | 
                    8.24 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPR Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/20/2013
             | 
            
                -1.00 / -1.89%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                52.00
             |                           
            
                52.00
             | 
            
                52.00
             |                     
            
                8.24
             |                                 
            
                3,620
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2013
             | 
            
                +0.50 / +0.95%
             |             
            
                52.50
             |           
            
                53.00
             |               
            
                52.50
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                8.40
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2013
             | 
            
                +2.50 / +5.00%
             |             
            
                50.00
             |           
            
                52.50
             |               
            
                50.00
             |                           
            
                52.50
             | 
            
                52.50
             |                     
            
                8.32
             |                                 
            
                810
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2013
             | 
            
                -1.00 / -1.96%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                7.93
             |                                 
            
                23,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2013
             | 
            
                -3.00 / -5.56%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                51.00
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                8.09
             |                                 
            
                18,550
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2013
             | 
            
                +1.50 / +2.86%
             |             
            
                53.50
             |           
            
                54.00
             |               
            
                53.50
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                8.56
             |                                 
            
                170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2013
             | 
            
                -2.50 / -4.55%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                52.50
             |                           
            
                52.50
             | 
            
                52.50
             |                     
            
                8.32
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2013
             | 
            
                -0.50 / -0.90%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                54.00
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                8.72
             |                                 
            
                1,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2013
             | 
            
                +0.50 / +0.91%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                8.80
             |                                 
            
                2,160
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                54.50
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                8.72
             |                                 
            
                710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                56.00
             |               
            
                52.50
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                8.72
             |                                 
            
                10,420
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2013
             | 
            
                -1.00 / -1.79%
             |             
            
                52.50
             |           
            
                55.00
             |               
            
                52.50
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                8.72
             |                                 
            
                410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2013
             | 
            
                -0.50 / -0.88%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                8.88
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2013
             | 
            
                +0.50 / +0.89%
             |             
            
                56.00
             |           
            
                56.50
             |               
            
                56.00
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                8.96
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2013
             | 
            
                +0.50 / +0.90%
             |             
            
                54.50
             |           
            
                56.00
             |               
            
                54.50
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                8.88
             |                                 
            
                310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2013
             | 
            
                +0.50 / +0.91%
             |             
            
                55.00
             |           
            
                55.50
             |               
            
                55.00
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                8.80
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2013
             | 
            
                -1.50 / -2.65%
             |             
            
                53.50
             |           
            
                56.50
             |               
            
                53.50
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                8.72
             |                                 
            
                4,120
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2013
             | 
            
                -1.50 / -2.59%
             |             
            
                53.50
             |           
            
                56.50
             |               
            
                53.50
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                8.96
             |                                 
            
                860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                58.00
             |               
            
                56.50
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                8.96
             |                                 
            
                1,580
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2013
             | 
            
                +0.50 / +0.87%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                56.50
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                8.96
             |                                 
            
                130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                57.50
             |               
            
                56.50
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                8.88
             |                                 
            
                5,210
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2013
             | 
            
                -0.50 / -0.86%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                57.50
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                8.88
             |                                 
            
                1,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2013
             | 
            
                +0.50 / +0.87%
             |             
            
                57.50
             |           
            
                58.50
             |               
            
                57.50
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                8.96
             |                                 
            
                78,090
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                57.50
             |           
            
                58.00
             |               
            
                56.50
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                8.88
             |                                 
            
                14,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2013
             | 
            
                +0.50 / +0.88%
             |             
            
                57.50
             |           
            
                58.50
             |               
            
                57.50
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                8.88
             |                                 
            
                8,960
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2013
             | 
            
                -1.50 / -2.56%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                8.80
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                57.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                9.04
             |                                 
            
                4,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                57.50
             |           
            
                58.50
             |               
            
                57.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                9.04
             |                                 
            
                1,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                57.50
             |           
            
                58.50
             |               
            
                57.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                9.04
             |                                 
            
                2,720
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                9.04
             |                                 
            
                2,850
             |  
            
                 
             |                                                              
             
    
         
    
    
 |