| 
                 
                    Closing price on 6/18/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    131.00 | 
                 
                
                    | High | 
                    131.00 | 
                 
                
                    | Low | 
                    131.00 | 
                     
                
                    | Volume | 
                    25,830 | 
                                 
                
                    | Split-adjusted Price | 
                    4.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/18/2007
             | 
            
                +1.00 / +0.77%
             |             
            
                131.00
             |           
            
                131.00
             |               
            
                131.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                25,830
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2007
             | 
            
                -1.00 / -0.76%
             |             
            
                131.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                130.00
             | 
            
                130.00
             |                     
            
                4.36
             |                                 
            
                14,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2007
             | 
            
                0.00 / 0.00%
             |             
            
                131.00
             |           
            
                132.00
             |               
            
                131.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                28,570
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2007
             | 
            
                0.00 / 0.00%
             |             
            
                131.00
             |           
            
                131.00
             |               
            
                131.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                22,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2007
             | 
            
                -2.00 / -1.50%
             |             
            
                131.00
             |           
            
                131.00
             |               
            
                131.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                19,330
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2007
             | 
            
                0.00 / 0.00%
             |             
            
                133.00
             |           
            
                133.00
             |               
            
                130.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                30,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2007
             | 
            
                -2.00 / -1.48%
             |             
            
                135.00
             |           
            
                135.00
             |               
            
                133.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                43,430
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2007
             | 
            
                +5.00 / +3.85%
             |             
            
                130.00
             |           
            
                136.00
             |               
            
                130.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                72,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2007
             | 
            
                -2.00 / -1.52%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                126.00
             |                           
            
                130.00
             | 
            
                130.00
             |                     
            
                4.36
             |                                 
            
                22,180
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2007
             | 
            
                -1.00 / -0.75%
             |             
            
                132.00
             |           
            
                132.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                21,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2007
             | 
            
                0.00 / 0.00%
             |             
            
                133.00
             |           
            
                133.00
             |               
            
                133.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                16,010
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2007
             | 
            
                -1.00 / -0.75%
             |             
            
                134.00
             |           
            
                134.00
             |               
            
                133.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                23,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |