| 
                 
                    Closing price on 5/31/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    134.00 | 
                 
                
                    | High | 
                    135.00 | 
                 
                
                    | Low | 
                    134.00 | 
                     
                
                    | Volume | 
                    24,150 | 
                                 
                
                    | Split-adjusted Price | 
                    4.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/31/2007
             | 
            
                -1.00 / -0.74%
             |             
            
                134.00
             |           
            
                135.00
             |               
            
                134.00
             |                           
            
                134.00
             | 
            
                134.00
             |                     
            
                4.50
             |                                 
            
                24,150
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2007
             | 
            
                +2.00 / +1.50%
             |             
            
                133.00
             |           
            
                135.00
             |               
            
                133.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                29,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2007
             | 
            
                -2.00 / -1.48%
             |             
            
                133.00
             |           
            
                134.00
             |               
            
                133.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                17,880
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2007
             | 
            
                -2.00 / -1.46%
             |             
            
                135.00
             |           
            
                137.00
             |               
            
                135.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                26,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2007
             | 
            
                -1.00 / -0.72%
             |             
            
                137.00
             |           
            
                137.00
             |               
            
                132.00
             |                           
            
                137.00
             | 
            
                137.00
             |                     
            
                4.60
             |                                 
            
                18,590
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2007
             | 
            
                0.00 / 0.00%
             |             
            
                138.00
             |           
            
                138.00
             |               
            
                138.00
             |                           
            
                138.00
             | 
            
                138.00
             |                     
            
                4.63
             |                                 
            
                29,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2007
             | 
            
                +3.00 / +2.22%
             |             
            
                138.00
             |           
            
                140.00
             |               
            
                138.00
             |                           
            
                138.00
             | 
            
                138.00
             |                     
            
                4.63
             |                                 
            
                77,370
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2007
             | 
            
                +2.00 / +1.50%
             |             
            
                135.00
             |           
            
                135.00
             |               
            
                135.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                39,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2007
             | 
            
                0.00 / 0.00%
             |             
            
                133.00
             |           
            
                133.00
             |               
            
                133.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                23,910
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2007
             | 
            
                0.00 / 0.00%
             |             
            
                133.00
             |           
            
                133.00
             |               
            
                133.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                26,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2007
             | 
            
                0.00 / 0.00%
             |             
            
                133.00
             |           
            
                133.00
             |               
            
                132.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                24,250
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2007
             | 
            
                -2.00 / -1.48%
             |             
            
                133.00
             |           
            
                134.00
             |               
            
                133.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                14,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2007
             | 
            
                -3.00 / -2.17%
             |             
            
                135.00
             |           
            
                138.00
             |               
            
                135.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                24,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2007
             | 
            
                +3.00 / +2.22%
             |             
            
                137.00
             |           
            
                138.00
             |               
            
                137.00
             |                           
            
                138.00
             | 
            
                138.00
             |                     
            
                4.63
             |                                 
            
                46,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2007
             | 
            
                +3.00 / +2.27%
             |             
            
                132.00
             |           
            
                135.00
             |               
            
                132.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                22,660
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2007
             | 
            
                -3.00 / -2.22%
             |             
            
                132.00
             |           
            
                135.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                23,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2007
             | 
            
                -3.00 / -2.17%
             |             
            
                135.00
             |           
            
                140.00
             |               
            
                135.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                70,180
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2007
             | 
            
                +6.00 / +4.55%
             |             
            
                135.00
             |           
            
                138.00
             |               
            
                135.00
             |                           
            
                138.00
             | 
            
                138.00
             |                     
            
                4.63
             |                                 
            
                78,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2007
             | 
            
                0.00 / 0.00%
             |             
            
                132.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                42,520
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2007
             | 
            
                -5.00 / -3.65%
             |             
            
                132.00
             |           
            
                137.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                18,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2007
             | 
            
                -53.00 / -27.89%
             |             
            
                137.00
             |           
            
                137.00
             |               
            
                134.00
             |                           
            
                137.00
             | 
            
                137.00
             |                     
            
                4.60
             |                                 
            
                68,610
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2007
             | 
            
                +2.00 / +1.06%
             |             
            
                190.00
             |           
            
                190.00
             |               
            
                190.00
             |                           
            
                190.00
             | 
            
                190.00
             |                     
            
                4.52
             |                                 
            
                97,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2007
             | 
            
                +7.00 / +3.87%
             |             
            
                185.00
             |           
            
                188.00
             |               
            
                185.00
             |                           
            
                188.00
             | 
            
                188.00
             |                     
            
                4.47
             |                                 
            
                41,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2007
             | 
            
                -9.00 / -4.74%
             |             
            
                181.00
             |           
            
                181.00
             |               
            
                181.00
             |                           
            
                181.00
             | 
            
                181.00
             |                     
            
                4.31
             |                                 
            
                52,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2007
             | 
            
                -5.00 / -2.56%
             |             
            
                190.00
             |           
            
                195.00
             |               
            
                190.00
             |                           
            
                190.00
             | 
            
                190.00
             |                     
            
                4.52
             |                                 
            
                53,720
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2007
             | 
            
                0.00 / 0.00%
             |             
            
                195.00
             |           
            
                195.00
             |               
            
                195.00
             |                           
            
                195.00
             | 
            
                195.00
             |                     
            
                4.64
             |                                 
            
                65,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2007
             | 
            
                +3.00 / +1.56%
             |             
            
                195.00
             |           
            
                201.00
             |               
            
                195.00
             |                           
            
                195.00
             | 
            
                195.00
             |                     
            
                4.64
             |                                 
            
                164,580
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2007
             | 
            
                +9.00 / +4.92%
             |             
            
                186.00
             |           
            
                192.00
             |               
            
                186.00
             |                           
            
                192.00
             | 
            
                192.00
             |                     
            
                4.57
             |                                 
            
                58,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2007
             | 
            
                -2.00 / -1.08%
             |             
            
                183.00
             |           
            
                183.00
             |               
            
                181.00
             |                           
            
                183.00
             | 
            
                183.00
             |                     
            
                4.36
             |                                 
            
                31,710
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2007
             | 
            
                -3.00 / -1.60%
             |             
            
                185.00
             |           
            
                190.00
             |               
            
                185.00
             |                           
            
                185.00
             | 
            
                185.00
             |                     
            
                4.40
             |                                 
            
                67,460
             |  
            
                 
             |                                                              
             
    
         
    
    
 |