| 
                 
                    Closing price on 11/3/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    17.50 | 
                 
                
                    | High | 
                    17.60 | 
                 
                
                    | Low | 
                    17.40 | 
                     
                
                    | Volume | 
                    1,800 | 
                                 
                
                    | Split-adjusted Price | 
                    9.85 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/3/2010
             | 
            
                -1.10 / -5.88%
             |             
            
                17.50
             |           
            
                17.60
             |               
            
                17.40
             |                           
            
                17.60
             | 
            
                17.60
             |                     
            
                9.85
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2010
             | 
            
                0.00 / 0.00%
             |             
            
                18.70
             |           
            
                18.70
             |               
            
                18.70
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                10.46
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                18.70
             |           
            
                18.70
             |               
            
                18.70
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                10.46
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2010
             | 
            
                0.00 / 0.00%
             |             
            
                18.70
             |           
            
                18.70
             |               
            
                18.70
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                10.46
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2010
             | 
            
                -0.10 / -0.53%
             |             
            
                18.70
             |           
            
                18.70
             |               
            
                18.70
             |                           
            
                18.70
             | 
            
                18.70
             |                     
            
                10.46
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2010
             | 
            
                +0.30 / +1.62%
             |             
            
                17.50
             |           
            
                18.80
             |               
            
                17.50
             |                           
            
                18.80
             | 
            
                18.80
             |                     
            
                10.52
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                18.50
             |           
            
                18.60
             |               
            
                18.50
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                10.35
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2010
             | 
            
                0.00 / 0.00%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                18.50
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                10.35
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2010
             | 
            
                0.00 / 0.00%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                18.50
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                10.35
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2010
             | 
            
                +0.40 / +2.21%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                18.50
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                10.35
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2010
             | 
            
                -2.10 / -10.40%
             |             
            
                19.40
             |           
            
                19.40
             |               
            
                18.10
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                10.13
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2010
             | 
            
                +1.20 / +6.32%
             |             
            
                18.30
             |           
            
                20.20
             |               
            
                18.30
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                11.30
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2010
             | 
            
                +0.10 / +0.53%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                10.63
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2010
             | 
            
                -1.00 / -5.03%
             |             
            
                20.10
             |           
            
                20.10
             |               
            
                18.90
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                10.57
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2010
             | 
            
                -1.40 / -6.57%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                19.90
             |                           
            
                19.90
             | 
            
                19.90
             |                     
            
                11.13
             |                                 
            
                5,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2010
             | 
            
                0.00 / 0.00%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                11.92
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2010
             | 
            
                +1.80 / +9.23%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                11.92
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2010
             | 
            
                -1.00 / -4.88%
             |             
            
                21.50
             |           
            
                21.50
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                10.91
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2010
             | 
            
                -1.50 / -6.82%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                11.47
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2010
             | 
            
                +1.10 / +5.26%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                12.31
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2010
             | 
            
                +1.30 / +6.63%
             |             
            
                20.90
             |           
            
                20.90
             |               
            
                20.90
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                11.69
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2010
             | 
            
                +0.10 / +0.51%
             |             
            
                19.60
             |           
            
                19.60
             |               
            
                19.60
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                10.97
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2010
             | 
            
                -0.80 / -3.94%
             |             
            
                19.90
             |           
            
                19.90
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                10.91
             |                                 
            
                5,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2010
             | 
            
                0.00 / 0.00%
             |             
            
                21.50
             |           
            
                21.70
             |               
            
                20.30
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                11.36
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2010
             | 
            
                -1.10 / -5.14%
             |             
            
                20.30
             |           
            
                20.30
             |               
            
                20.30
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                11.36
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2010
             | 
            
                -1.60 / -6.96%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.40
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                11.97
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2010
             | 
            
                +1.00 / +4.55%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                12.87
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2010
             | 
            
                +1.00 / +4.76%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                12.31
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2010
             | 
            
                +0.40 / +1.94%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                11.75
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2010
             | 
            
                -1.10 / -5.07%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                11.52
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |