| 
                 
                    Closing price on 5/6/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.70 | 
                 
                
                    | High | 
                    14.80 | 
                 
                
                    | Low | 
                    14.70 | 
                     
                
                    | Volume | 
                    200 | 
                                 
                
                    | Split-adjusted Price | 
                    8.28 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/6/2011
             | 
            
                +0.80 / +5.71%
             |             
            
                14.70
             |           
            
                14.80
             |               
            
                14.70
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                8.28
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2011
             | 
            
                +0.10 / +0.72%
             |             
            
                13.90
             |           
            
                14.00
             |               
            
                13.70
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                7.83
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                13.90
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                7.78
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2011
             | 
            
                +0.10 / +0.72%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.80
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                7.78
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2011
             | 
            
                0.00 / 0.00%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                13.70
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                7.72
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2011
             | 
            
                -0.60 / -4.17%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                7.72
             |                                 
            
                4,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2011
             | 
            
                +0.10 / +0.70%
             |             
            
                13.80
             |           
            
                14.40
             |               
            
                13.80
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                8.06
             |                                 
            
                23,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2011
             | 
            
                -0.20 / -1.38%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                14.30
             |                           
            
                14.30
             | 
            
                14.30
             |                     
            
                8.00
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2011
             | 
            
                -0.30 / -2.03%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                14.10
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                8.11
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                8.28
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                14.90
             |           
            
                15.20
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                8.28
             |                                 
            
                3,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2011
             | 
            
                +0.30 / +2.07%
             |             
            
                14.80
             |           
            
                14.80
             |               
            
                14.80
             |                           
            
                14.80
             | 
            
                14.80
             |                     
            
                8.28
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2011
             | 
            
                -1.00 / -6.45%
             |             
            
                14.50
             |           
            
                14.50
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                8.11
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2011
             | 
            
                +0.40 / +2.65%
             |             
            
                15.00
             |           
            
                15.50
             |               
            
                15.00
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                8.67
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2011
             | 
            
                +0.20 / +1.34%
             |             
            
                15.10
             |           
            
                15.10
             |               
            
                15.00
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                8.45
             |                                 
            
                2,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2011
             | 
            
                -0.10 / -0.67%
             |             
            
                15.30
             |           
            
                15.30
             |               
            
                14.90
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                8.34
             |                                 
            
                2,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                8.39
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2011
             | 
            
                -0.80 / -5.06%
             |             
            
                15.20
             |           
            
                15.20
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                8.39
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                8.84
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                8.84
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2011
             | 
            
                +0.10 / +0.64%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                8.84
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2011
             | 
            
                +0.10 / +0.64%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.70
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                8.78
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.60
             |           
            
                15.60
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                8.73
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2011
             | 
            
                -0.30 / -1.89%
             |             
            
                15.60
             |           
            
                15.60
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                8.73
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.50
             |           
            
                15.90
             |               
            
                15.50
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                8.90
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2011
             | 
            
                +0.10 / +0.63%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                8.90
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2011
             | 
            
                +0.10 / +0.64%
             |             
            
                15.30
             |           
            
                15.80
             |               
            
                14.90
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                8.84
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2011
             | 
            
                -0.20 / -1.26%
             |             
            
                15.00
             |           
            
                16.00
             |               
            
                15.00
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                8.78
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                8.90
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2011
             | 
            
                +0.30 / +1.92%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                8.90
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |