| 
                 
                    Closing price on 4/3/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    199.00 | 
                 
                
                    | High | 
                    199.00 | 
                 
                
                    | Low | 
                    196.00 | 
                     
                
                    | Volume | 
                    36,100 | 
                                 
                
                    | Split-adjusted Price | 
                    4.74 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/3/2007
             | 
            
                -7.00 / -3.40%
             |             
            
                199.00
             |           
            
                199.00
             |               
            
                196.00
             |                           
            
                199.00
             | 
            
                199.00
             |                     
            
                4.74
             |                                 
            
                36,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2007
             | 
            
                -2.00 / -0.96%
             |             
            
                206.00
             |           
            
                208.00
             |               
            
                199.00
             |                           
            
                206.00
             | 
            
                206.00
             |                     
            
                4.90
             |                                 
            
                52,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2007
             | 
            
                +9.00 / +4.52%
             |             
            
                208.00
             |           
            
                208.00
             |               
            
                208.00
             |                           
            
                208.00
             | 
            
                208.00
             |                     
            
                4.95
             |                                 
            
                88,620
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2007
             | 
            
                +9.00 / +4.74%
             |             
            
                198.00
             |           
            
                199.00
             |               
            
                198.00
             |                           
            
                199.00
             | 
            
                199.00
             |                     
            
                4.74
             |                                 
            
                23,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2007
             | 
            
                -5.00 / -2.56%
             |             
            
                190.00
             |           
            
                190.00
             |               
            
                186.00
             |                           
            
                190.00
             | 
            
                190.00
             |                     
            
                4.52
             |                                 
            
                51,140
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2007
             | 
            
                -5.00 / -2.50%
             |             
            
                200.00
             |           
            
                200.00
             |               
            
                195.00
             |                           
            
                195.00
             | 
            
                195.00
             |                     
            
                4.64
             |                                 
            
                102,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2007
             | 
            
                0.00 / 0.00%
             |             
            
                200.00
             |           
            
                200.00
             |               
            
                200.00
             |                           
            
                200.00
             | 
            
                200.00
             |                     
            
                4.76
             |                                 
            
                89,630
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2007
             | 
            
                -8.00 / -3.85%
             |             
            
                200.00
             |           
            
                200.00
             |               
            
                200.00
             |                           
            
                200.00
             | 
            
                200.00
             |                     
            
                4.76
             |                                 
            
                86,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2007
             | 
            
                -10.00 / -4.59%
             |             
            
                208.00
             |           
            
                208.00
             |               
            
                208.00
             |                           
            
                208.00
             | 
            
                208.00
             |                     
            
                4.95
             |                                 
            
                34,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2007
             | 
            
                -2.00 / -0.91%
             |             
            
                220.00
             |           
            
                220.00
             |               
            
                215.00
             |                           
            
                218.00
             | 
            
                218.00
             |                     
            
                5.19
             |                                 
            
                35,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2007
             | 
            
                0.00 / 0.00%
             |             
            
                220.00
             |           
            
                220.00
             |               
            
                210.00
             |                           
            
                220.00
             | 
            
                220.00
             |                     
            
                5.24
             |                                 
            
                80,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2007
             | 
            
                0.00 / 0.00%
             |             
            
                220.00
             |           
            
                230.00
             |               
            
                220.00
             |                           
            
                220.00
             | 
            
                220.00
             |                     
            
                5.24
             |                                 
            
                73,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2007
             | 
            
                +10.00 / +4.76%
             |             
            
                220.00
             |           
            
                220.00
             |               
            
                220.00
             |                           
            
                220.00
             | 
            
                220.00
             |                     
            
                5.24
             |                                 
            
                55,160
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2007
             | 
            
                -9.00 / -4.11%
             |             
            
                210.00
             |           
            
                210.00
             |               
            
                210.00
             |                           
            
                210.00
             | 
            
                210.00
             |                     
            
                5.00
             |                                 
            
                98,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2007
             | 
            
                -11.00 / -4.78%
             |             
            
                228.00
             |           
            
                228.00
             |               
            
                219.00
             |                           
            
                219.00
             | 
            
                219.00
             |                     
            
                5.21
             |                                 
            
                24,450
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2007
             | 
            
                +3.00 / +1.32%
             |             
            
                227.00
             |           
            
                230.00
             |               
            
                216.00
             |                           
            
                230.00
             | 
            
                230.00
             |                     
            
                5.47
             |                                 
            
                96,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2007
             | 
            
                0.00 / 0.00%
             |             
            
                227.00
             |           
            
                238.00
             |               
            
                227.00
             |                           
            
                227.00
             | 
            
                227.00
             |                     
            
                5.40
             |                                 
            
                119,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2007
             | 
            
                +7.00 / +3.18%
             |             
            
                227.00
             |           
            
                231.00
             |               
            
                227.00
             |                           
            
                227.00
             | 
            
                227.00
             |                     
            
                5.40
             |                                 
            
                108,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2007
             | 
            
                +10.00 / +4.76%
             |             
            
                220.00
             |           
            
                220.00
             |               
            
                220.00
             |                           
            
                220.00
             | 
            
                220.00
             |                     
            
                5.24
             |                                 
            
                38,360
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2007
             | 
            
                -10.00 / -4.55%
             |             
            
                210.00
             |           
            
                210.00
             |               
            
                210.00
             |                           
            
                210.00
             | 
            
                210.00
             |                     
            
                5.00
             |                                 
            
                107,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2007
             | 
            
                -10.00 / -4.35%
             |             
            
                230.00
             |           
            
                230.00
             |               
            
                220.00
             |                           
            
                220.00
             | 
            
                220.00
             |                     
            
                5.24
             |                                 
            
                82,880
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2007
             | 
            
                0.00 / 0.00%
             |             
            
                230.00
             |           
            
                241.00
             |               
            
                230.00
             |                           
            
                230.00
             | 
            
                230.00
             |                     
            
                5.47
             |                                 
            
                145,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2007
             | 
            
                -5.00 / -2.13%
             |             
            
                235.00
             |           
            
                235.00
             |               
            
                230.00
             |                           
            
                230.00
             | 
            
                230.00
             |                     
            
                5.47
             |                                 
            
                88,360
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2007
             | 
            
                +4.00 / +1.73%
             |             
            
                231.00
             |           
            
                242.00
             |               
            
                231.00
             |                           
            
                235.00
             | 
            
                235.00
             |                     
            
                5.59
             |                                 
            
                86,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2007
             | 
            
                +8.00 / +3.59%
             |             
            
                223.00
             |           
            
                234.00
             |               
            
                215.00
             |                           
            
                231.00
             | 
            
                231.00
             |                     
            
                5.50
             |                                 
            
                121,260
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2007
             | 
            
                +10.00 / +4.69%
             |             
            
                223.00
             |           
            
                223.00
             |               
            
                223.00
             |                           
            
                223.00
             | 
            
                223.00
             |                     
            
                5.31
             |                                 
            
                2,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2007
             | 
            
                +10.00 / +4.93%
             |             
            
                210.00
             |           
            
                213.00
             |               
            
                210.00
             |                           
            
                213.00
             | 
            
                213.00
             |                     
            
                5.07
             |                                 
            
                5,720
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2007
             | 
            
                +9.00 / +4.64%
             |             
            
                203.00
             |           
            
                203.00
             |               
            
                203.00
             |                           
            
                203.00
             | 
            
                203.00
             |                     
            
                4.83
             |                                 
            
                23,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2007
             | 
            
                +9.00 / +4.86%
             |             
            
                192.00
             |           
            
                194.00
             |               
            
                192.00
             |                           
            
                194.00
             | 
            
                194.00
             |                     
            
                4.62
             |                                 
            
                63,570
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2007
             | 
            
                +6.00 / +3.35%
             |             
            
                185.00
             |           
            
                187.00
             |               
            
                185.00
             |                           
            
                185.00
             | 
            
                185.00
             |                     
            
                4.40
             |                                 
            
                72,030
             |  
            
                 
             |                                                              
             
    
         
    
    
 |