| 
                 
                    Closing price on 10/4/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    142.00 | 
                 
                
                    | High | 
                    142.00 | 
                 
                
                    | Low | 
                    138.00 | 
                     
                
                    | Volume | 
                    28,270 | 
                                 
                
                    | Split-adjusted Price | 
                    4.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/4/2007
             | 
            
                -4.00 / -2.82%
             |             
            
                142.00
             |           
            
                142.00
             |               
            
                138.00
             |                           
            
                138.00
             | 
            
                138.00
             |                     
            
                4.63
             |                                 
            
                28,270
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2007
             | 
            
                -1.00 / -0.70%
             |             
            
                143.00
             |           
            
                143.00
             |               
            
                139.00
             |                           
            
                142.00
             | 
            
                142.00
             |                     
            
                4.77
             |                                 
            
                37,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2007
             | 
            
                +3.00 / +2.14%
             |             
            
                144.00
             |           
            
                144.00
             |               
            
                140.00
             |                           
            
                143.00
             | 
            
                143.00
             |                     
            
                4.80
             |                                 
            
                50,510
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2007
             | 
            
                +6.00 / +4.48%
             |             
            
                138.00
             |           
            
                140.00
             |               
            
                137.00
             |                           
            
                140.00
             | 
            
                140.00
             |                     
            
                4.70
             |                                 
            
                82,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2007
             | 
            
                +1.00 / +0.75%
             |             
            
                135.00
             |           
            
                135.00
             |               
            
                133.00
             |                           
            
                134.00
             | 
            
                134.00
             |                     
            
                4.50
             |                                 
            
                32,280
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2007
             | 
            
                -2.00 / -1.48%
             |             
            
                135.00
             |           
            
                135.00
             |               
            
                132.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                17,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2007
             | 
            
                +2.00 / +1.50%
             |             
            
                138.00
             |           
            
                138.00
             |               
            
                135.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                48,250
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2007
             | 
            
                +5.00 / +3.91%
             |             
            
                133.00
             |           
            
                134.00
             |               
            
                130.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                41,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2007
             | 
            
                0.00 / 0.00%
             |             
            
                127.00
             |           
            
                128.00
             |               
            
                127.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                16,020
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                15,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                21,850
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2007
             | 
            
                0.00 / 0.00%
             |             
            
                127.00
             |           
            
                128.00
             |               
            
                127.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                17,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                15,510
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2007
             | 
            
                -1.00 / -0.78%
             |             
            
                128.00
             |           
            
                128.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                4,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2007
             | 
            
                +1.00 / +0.78%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                129.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                5,310
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2007
             | 
            
                -1.00 / -0.78%
             |             
            
                129.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                5,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.00
             |           
            
                130.00
             |               
            
                128.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                5,050
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2007
             | 
            
                -2.00 / -1.53%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                129.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                9,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2007
             | 
            
                -1.00 / -0.76%
             |             
            
                130.00
             |           
            
                131.00
             |               
            
                130.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                6,130
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2007
             | 
            
                0.00 / 0.00%
             |             
            
                132.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                8,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2007
             | 
            
                +1.00 / +0.76%
             |             
            
                130.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                6,220
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2007
             | 
            
                -1.00 / -0.76%
             |             
            
                133.00
             |           
            
                133.00
             |               
            
                131.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                26,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/4/2007
             | 
            
                +2.00 / +1.54%
             |             
            
                132.00
             |           
            
                133.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                7,760
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2007
             | 
            
                -2.00 / -1.52%
             |             
            
                132.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                130.00
             | 
            
                130.00
             |                     
            
                4.36
             |                                 
            
                46,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2007
             | 
            
                0.00 / 0.00%
             |             
            
                133.00
             |           
            
                133.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2007
             | 
            
                -2.00 / -1.49%
             |             
            
                130.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                10,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2007
             | 
            
                +4.00 / +3.08%
             |             
            
                131.00
             |           
            
                134.00
             |               
            
                130.00
             |                           
            
                134.00
             | 
            
                134.00
             |                     
            
                4.50
             |                                 
            
                95,590
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2007
             | 
            
                -3.00 / -2.26%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                130.00
             |                           
            
                130.00
             | 
            
                130.00
             |                     
            
                4.36
             |                                 
            
                6,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2007
             | 
            
                +6.00 / +4.72%
             |             
            
                127.00
             |           
            
                133.00
             |               
            
                127.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                89,890
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2007
             | 
            
                +1.00 / +0.79%
             |             
            
                127.00
             |           
            
                127.00
             |               
            
                127.00
             |                           
            
                127.00
             | 
            
                127.00
             |                     
            
                4.26
             |                                 
            
                11,040
             |  
            
                 
             |                                                              
             
    
         
    
    
 |