| 
                 
                    Closing price on 8/10/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.80 | 
                 
                
                    | High | 
                    21.80 | 
                 
                
                    | Low | 
                    20.70 | 
                     
                
                    | Volume | 
                    10,200 | 
                                 
                
                    | Split-adjusted Price | 
                    12.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/10/2010
             | 
            
                0.00 / 0.00%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                20.70
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                12.20
             |                                 
            
                10,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2010
             | 
            
                -1.50 / -6.44%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                21.80
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                12.20
             |                                 
            
                7,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2010
             | 
            
                -0.10 / -0.43%
             |             
            
                23.30
             |           
            
                23.30
             |               
            
                23.30
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                13.03
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2010
             | 
            
                +1.10 / +4.93%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                23.20
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                13.09
             |                                 
            
                6,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2010
             | 
            
                -0.90 / -3.88%
             |             
            
                22.10
             |           
            
                23.00
             |               
            
                22.10
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                12.48
             |                                 
            
                14,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2010
             | 
            
                +0.10 / +0.43%
             |             
            
                23.50
             |           
            
                23.60
             |               
            
                23.10
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                12.98
             |                                 
            
                11,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2010
             | 
            
                -1.60 / -6.48%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.10
             |                           
            
                23.10
             | 
            
                23.10
             |                     
            
                12.92
             |                                 
            
                5,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2010
             | 
            
                +0.20 / +0.82%
             |             
            
                23.90
             |           
            
                24.70
             |               
            
                23.90
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                13.82
             |                                 
            
                6,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2010
             | 
            
                -0.20 / -0.81%
             |             
            
                23.20
             |           
            
                24.60
             |               
            
                23.20
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                13.71
             |                                 
            
                10,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2010
             | 
            
                +0.60 / +2.49%
             |             
            
                24.00
             |           
            
                24.70
             |               
            
                23.00
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                13.82
             |                                 
            
                28,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2010
             | 
            
                -0.60 / -2.43%
             |             
            
                25.70
             |           
            
                25.70
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                13.48
             |                                 
            
                12,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2010
             | 
            
                -1.30 / -5.00%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.50
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                13.82
             |                                 
            
                14,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2010
             | 
            
                +1.00 / +4.00%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                24.50
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                14.55
             |                                 
            
                23,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2010
             | 
            
                -0.30 / -1.19%
             |             
            
                25.00
             |           
            
                25.50
             |               
            
                24.20
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                13.99
             |                                 
            
                35,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2010
             | 
            
                -1.70 / -6.30%
             |             
            
                25.50
             |           
            
                25.50
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                14.15
             |                                 
            
                33,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2010
             | 
            
                -2.20 / -7.53%
             |             
            
                28.00
             |           
            
                28.00
             |               
            
                27.00
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                15.10
             |                                 
            
                54,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2010
             | 
            
                +1.10 / +3.91%
             |             
            
                28.10
             |           
            
                30.00
             |               
            
                28.10
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                16.34
             |                                 
            
                37,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2010
             | 
            
                +1.80 / +6.84%
             |             
            
                28.00
             |           
            
                28.10
             |               
            
                27.90
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                15.72
             |                                 
            
                101,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2010
             | 
            
                +1.60 / +6.48%
             |             
            
                26.30
             |           
            
                26.30
             |               
            
                26.00
             |                           
            
                26.30
             | 
            
                26.30
             |                     
            
                14.71
             |                                 
            
                63,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2010
             | 
            
                +1.50 / +6.47%
             |             
            
                23.50
             |           
            
                24.70
             |               
            
                23.50
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                13.82
             |                                 
            
                85,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2010
             | 
            
                +0.70 / +3.11%
             |             
            
                22.80
             |           
            
                23.20
             |               
            
                22.80
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                12.98
             |                                 
            
                6,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2010
             | 
            
                +0.10 / +0.45%
             |             
            
                22.40
             |           
            
                22.50
             |               
            
                22.40
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                12.59
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2010
             | 
            
                -0.10 / -0.44%
             |             
            
                22.40
             |           
            
                22.70
             |               
            
                22.40
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                12.53
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2010
             | 
            
                +0.10 / +0.45%
             |             
            
                22.40
             |           
            
                22.70
             |               
            
                22.40
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                12.59
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2010
             | 
            
                -0.20 / -0.88%
             |             
            
                22.00
             |           
            
                22.50
             |               
            
                22.00
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                12.53
             |                                 
            
                3,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2010
             | 
            
                -0.20 / -0.88%
             |             
            
                21.10
             |           
            
                23.00
             |               
            
                21.10
             |                           
            
                22.60
             | 
            
                22.60
             |                     
            
                12.64
             |                                 
            
                12,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2010
             | 
            
                +0.80 / +3.64%
             |             
            
                21.30
             |           
            
                22.80
             |               
            
                21.30
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                12.76
             |                                 
            
                12,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2010
             | 
            
                +0.60 / +2.80%
             |             
            
                20.10
             |           
            
                22.00
             |               
            
                20.10
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                12.31
             |                                 
            
                15,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2010
             | 
            
                -0.10 / -0.47%
             |             
            
                20.60
             |           
            
                21.40
             |               
            
                20.60
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                11.97
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2010
             | 
            
                -0.40 / -1.83%
             |             
            
                20.50
             |           
            
                21.50
             |               
            
                20.50
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                12.03
             |                                 
            
                13,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |