| 
                 
                    Closing price on 3/29/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.50 | 
                 
                
                    | High | 
                    15.90 | 
                 
                
                    | Low | 
                    15.50 | 
                     
                
                    | Volume | 
                    1,200 | 
                                 
                
                    | Split-adjusted Price | 
                    8.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2011
             | 
            
                -0.60 / -3.70%
             |             
            
                15.30
             |           
            
                15.90
             |               
            
                15.30
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                8.73
             |                                 
            
                3,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2011
             | 
            
                +0.10 / +0.62%
             |             
            
                15.90
             |           
            
                16.30
             |               
            
                15.50
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                9.06
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2011
             | 
            
                +0.20 / +1.26%
             |             
            
                15.10
             |           
            
                16.40
             |               
            
                15.00
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                9.01
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2011
             | 
            
                +0.30 / +1.92%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                8.90
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2011
             | 
            
                -0.20 / -1.27%
             |             
            
                16.50
             |           
            
                16.70
             |               
            
                15.60
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                8.73
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2011
             | 
            
                -0.90 / -5.39%
             |             
            
                15.80
             |           
            
                15.80
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                8.84
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2011
             | 
            
                -0.60 / -3.47%
             |             
            
                16.50
             |           
            
                17.20
             |               
            
                16.50
             |                           
            
                16.70
             | 
            
                16.70
             |                     
            
                9.34
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2011
             | 
            
                +0.40 / +2.37%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.30
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                9.68
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2011
             | 
            
                +0.80 / +4.97%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                16.90
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                9.45
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2011
             | 
            
                -1.20 / -6.94%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                16.10
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                9.01
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.30
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                9.68
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2011
             | 
            
                0.00 / 0.00%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.30
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                9.68
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2011
             | 
            
                +0.80 / +4.85%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.30
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                9.68
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2011
             | 
            
                -0.70 / -4.07%
             |             
            
                16.60
             |           
            
                17.90
             |               
            
                16.50
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                9.23
             |                                 
            
                2,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2011
             | 
            
                +0.10 / +0.58%
             |             
            
                17.20
             |           
            
                17.20
             |               
            
                17.20
             |                           
            
                17.20
             | 
            
                17.20
             |                     
            
                9.62
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2011
             | 
            
                +1.10 / +6.88%
             |             
            
                17.00
             |           
            
                17.10
             |               
            
                15.80
             |                           
            
                17.10
             | 
            
                17.10
             |                     
            
                9.57
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2011
             | 
            
                +1.00 / +6.67%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                16.00
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                8.95
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2011
             | 
            
                -0.50 / -3.23%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.90
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                8.39
             |                                 
            
                13,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/23/2011
             | 
            
                +0.40 / +2.65%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                8.67
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2011
             | 
            
                -1.40 / -8.48%
             |             
            
                15.10
             |           
            
                15.80
             |               
            
                15.10
             |                           
            
                15.10
             | 
            
                15.10
             |                     
            
                8.45
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2011
             | 
            
                +0.40 / +2.48%
             |             
            
                15.70
             |           
            
                16.50
             |               
            
                15.50
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                9.23
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2011
             | 
            
                -0.90 / -5.29%
             |             
            
                16.70
             |           
            
                16.70
             |               
            
                16.10
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                9.01
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2011
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.00
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                9.51
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/16/2011
             | 
            
                -0.40 / -2.30%
             |             
            
                17.10
             |           
            
                17.10
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                9.51
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |