| 
                 
                    Closing price on 3/29/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    14.00 | 
                 
                
                    | High | 
                    14.00 | 
                 
                
                    | Low | 
                    14.00 | 
                     
                
                    | Volume | 
                    0 | 
                                 
                
                    | Split-adjusted Price | 
                    8.77 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DPC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                8.77
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2012
             | 
            
                -1.00 / -6.67%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                8.77
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                15.00
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.40
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2012
             | 
            
                +0.80 / +5.63%
             |             
            
                14.10
             |           
            
                15.00
             |               
            
                14.10
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                9.40
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2012
             | 
            
                +0.20 / +1.43%
             |             
            
                14.10
             |           
            
                14.20
             |               
            
                14.00
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                8.90
             |                                 
            
                5,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2012
             | 
            
                0.00 / 0.00%
             |             
            
                13.10
             |           
            
                14.00
             |               
            
                13.10
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                8.77
             |                                 
            
                10,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                8.77
             |                                 
            
                89,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2012
             | 
            
                +0.10 / +0.72%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                14.00
             |                           
            
                14.00
             | 
            
                14.00
             |                     
            
                8.77
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2012
             | 
            
                +0.90 / +6.92%
             |             
            
                13.00
             |           
            
                13.90
             |               
            
                13.00
             |                           
            
                13.90
             | 
            
                13.90
             |                     
            
                8.71
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2012
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                8.15
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                8.15
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2012
             | 
            
                -0.80 / -5.80%
             |             
            
                13.00
             |           
            
                13.00
             |               
            
                13.00
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                8.15
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2012
             | 
            
                +0.60 / +4.55%
             |             
            
                12.40
             |           
            
                13.80
             |               
            
                12.40
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                8.65
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2012
             | 
            
                -0.10 / -0.75%
             |             
            
                12.40
             |           
            
                13.20
             |               
            
                12.40
             |                           
            
                13.20
             | 
            
                13.20
             |                     
            
                8.27
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2012
             | 
            
                -0.10 / -0.75%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                13.30
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                8.33
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2012
             | 
            
                0.00 / 0.00%
             |             
            
                13.00
             |           
            
                13.40
             |               
            
                13.00
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                8.40
             |                                 
            
                4,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2012
             | 
            
                0.00 / 0.00%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                13.40
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                8.40
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2012
             | 
            
                +0.80 / +6.35%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                11.80
             |                           
            
                13.40
             | 
            
                13.40
             |                     
            
                8.40
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2012
             | 
            
                +0.80 / +6.78%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.50
             |                           
            
                12.60
             | 
            
                12.60
             |                     
            
                7.89
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                11.80
             |           
            
                12.00
             |               
            
                11.00
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                7.39
             |                                 
            
                4,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2012
             | 
            
                +0.60 / +5.36%
             |             
            
                11.80
             |           
            
                11.80
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                7.39
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2012
             | 
            
                -0.60 / -5.08%
             |             
            
                11.20
             |           
            
                12.60
             |               
            
                11.20
             |                           
            
                11.20
             | 
            
                11.20
             |                     
            
                7.02
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2012
             | 
            
                -0.10 / -0.84%
             |             
            
                11.80
             |           
            
                11.80
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                7.39
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2012
             | 
            
                +0.70 / +6.25%
             |             
            
                11.90
             |           
            
                11.90
             |               
            
                11.90
             |                           
            
                11.90
             | 
            
                11.90
             |                     
            
                7.46
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2012
             | 
            
                +0.70 / +6.67%
             |             
            
                10.80
             |           
            
                11.20
             |               
            
                10.80
             |                           
            
                11.20
             | 
            
                11.20
             |                     
            
                7.02
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2012
             | 
            
                +0.20 / +1.94%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                6.58
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                6.45
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                6.45
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                6.45
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                6.45
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |