| 
                 
                    Closing price on 12/3/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    126.00 | 
                 
                
                    | High | 
                    126.00 | 
                 
                
                    | Low | 
                    125.00 | 
                     
                
                    | Volume | 
                    8,600 | 
                                 
                
                    | Split-adjusted Price | 
                    4.23 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/3/2007
             | 
            
                0.00 / 0.00%
             |             
            
                126.00
             |           
            
                126.00
             |               
            
                125.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                8,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2007
             | 
            
                0.00 / 0.00%
             |             
            
                126.00
             |           
            
                126.00
             |               
            
                125.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                3,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2007
             | 
            
                0.00 / 0.00%
             |             
            
                126.00
             |           
            
                127.00
             |               
            
                125.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                3,670
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2007
             | 
            
                0.00 / 0.00%
             |             
            
                126.00
             |           
            
                126.00
             |               
            
                126.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                17,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2007
             | 
            
                -1.00 / -0.79%
             |             
            
                127.00
             |           
            
                128.00
             |               
            
                126.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                8,460
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2007
             | 
            
                +1.00 / +0.79%
             |             
            
                126.00
             |           
            
                129.00
             |               
            
                126.00
             |                           
            
                127.00
             | 
            
                127.00
             |                     
            
                4.26
             |                                 
            
                9,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2007
             | 
            
                +1.00 / +0.80%
             |             
            
                128.00
             |           
            
                128.00
             |               
            
                126.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                7,790
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2007
             | 
            
                0.00 / 0.00%
             |             
            
                125.00
             |           
            
                125.00
             |               
            
                125.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                4.19
             |                                 
            
                27,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2007
             | 
            
                0.00 / 0.00%
             |             
            
                125.00
             |           
            
                126.00
             |               
            
                125.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                4.19
             |                                 
            
                23,250
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2007
             | 
            
                -1.00 / -0.79%
             |             
            
                125.00
             |           
            
                125.00
             |               
            
                125.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                4.19
             |                                 
            
                27,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2007
             | 
            
                -2.00 / -1.56%
             |             
            
                128.00
             |           
            
                128.00
             |               
            
                125.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                6,160
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.00
             |           
            
                129.00
             |               
            
                126.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                27,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2007
             | 
            
                -1.00 / -0.78%
             |             
            
                126.00
             |           
            
                130.00
             |               
            
                126.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                28,330
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2007
             | 
            
                +6.00 / +4.88%
             |             
            
                129.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                26,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2007
             | 
            
                -5.00 / -3.91%
             |             
            
                126.00
             |           
            
                127.00
             |               
            
                122.00
             |                           
            
                123.00
             | 
            
                123.00
             |                     
            
                4.13
             |                                 
            
                43,210
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2007
             | 
            
                -1.00 / -0.78%
             |             
            
                128.00
             |           
            
                129.00
             |               
            
                127.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                27,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2007
             | 
            
                -2.00 / -1.53%
             |             
            
                129.00
             |           
            
                131.00
             |               
            
                129.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                16,350
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2007
             | 
            
                -1.00 / -0.76%
             |             
            
                132.00
             |           
            
                133.00
             |               
            
                131.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                10,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2007
             | 
            
                0.00 / 0.00%
             |             
            
                132.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                22,790
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2007
             | 
            
                -1.00 / -0.75%
             |             
            
                135.00
             |           
            
                135.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                39,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2007
             | 
            
                -2.00 / -1.48%
             |             
            
                134.00
             |           
            
                134.00
             |               
            
                133.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                18,730
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2007
             | 
            
                -2.00 / -1.46%
             |             
            
                134.00
             |           
            
                136.00
             |               
            
                134.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                19,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2007
             | 
            
                -1.00 / -0.72%
             |             
            
                138.00
             |           
            
                138.00
             |               
            
                136.00
             |                           
            
                137.00
             | 
            
                137.00
             |                     
            
                4.60
             |                                 
            
                79,950
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2007
             | 
            
                0.00 / 0.00%
             |             
            
                138.00
             |           
            
                138.00
             |               
            
                136.00
             |                           
            
                138.00
             | 
            
                138.00
             |                     
            
                4.63
             |                                 
            
                102,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2007
             | 
            
                +5.00 / +3.76%
             |             
            
                135.00
             |           
            
                138.00
             |               
            
                135.00
             |                           
            
                138.00
             | 
            
                138.00
             |                     
            
                4.63
             |                                 
            
                74,450
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2007
             | 
            
                -2.00 / -1.48%
             |             
            
                134.00
             |           
            
                135.00
             |               
            
                133.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                34,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2007
             | 
            
                -1.00 / -0.74%
             |             
            
                136.00
             |           
            
                137.00
             |               
            
                135.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                52,260
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2007
             | 
            
                0.00 / 0.00%
             |             
            
                139.00
             |           
            
                139.00
             |               
            
                136.00
             |                           
            
                136.00
             | 
            
                136.00
             |                     
            
                4.56
             |                                 
            
                77,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2007
             | 
            
                +1.00 / +0.74%
             |             
            
                134.00
             |           
            
                137.00
             |               
            
                134.00
             |                           
            
                136.00
             | 
            
                136.00
             |                     
            
                4.56
             |                                 
            
                61,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2007
             | 
            
                -1.00 / -0.74%
             |             
            
                136.00
             |           
            
                136.00
             |               
            
                135.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                36,340
             |  
            
                 
             |                                                              
             
    
         
    
    
 |