| 
                 
                    Closing price on 7/20/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    123.00 | 
                 
                
                    | High | 
                    123.00 | 
                 
                
                    | Low | 
                    122.00 | 
                     
                
                    | Volume | 
                    30,820 | 
                                 
                
                    | Split-adjusted Price | 
                    4.09 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/20/2007
             | 
            
                -1.00 / -0.81%
             |             
            
                123.00
             |           
            
                123.00
             |               
            
                122.00
             |                           
            
                122.00
             | 
            
                122.00
             |                     
            
                4.09
             |                                 
            
                30,820
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2007
             | 
            
                -1.00 / -0.81%
             |             
            
                123.00
             |           
            
                123.00
             |               
            
                122.00
             |                           
            
                123.00
             | 
            
                123.00
             |                     
            
                4.13
             |                                 
            
                22,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2007
             | 
            
                0.00 / 0.00%
             |             
            
                124.00
             |           
            
                124.00
             |               
            
                124.00
             |                           
            
                124.00
             | 
            
                124.00
             |                     
            
                4.16
             |                                 
            
                11,670
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2007
             | 
            
                +4.00 / +3.33%
             |             
            
                122.00
             |           
            
                124.00
             |               
            
                122.00
             |                           
            
                124.00
             | 
            
                124.00
             |                     
            
                4.16
             |                                 
            
                19,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2007
             | 
            
                -5.00 / -4.00%
             |             
            
                124.00
             |           
            
                124.00
             |               
            
                120.00
             |                           
            
                120.00
             | 
            
                120.00
             |                     
            
                4.03
             |                                 
            
                30,150
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2007
             | 
            
                0.00 / 0.00%
             |             
            
                125.00
             |           
            
                125.00
             |               
            
                124.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                4.19
             |                                 
            
                16,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2007
             | 
            
                -1.00 / -0.79%
             |             
            
                126.00
             |           
            
                126.00
             |               
            
                125.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                4.19
             |                                 
            
                15,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2007
             | 
            
                -2.00 / -1.56%
             |             
            
                128.00
             |           
            
                128.00
             |               
            
                126.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                26,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2007
             | 
            
                +3.00 / +2.40%
             |             
            
                126.00
             |           
            
                128.00
             |               
            
                126.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                14,070
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2007
             | 
            
                0.00 / 0.00%
             |             
            
                125.00
             |           
            
                125.00
             |               
            
                125.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                4.19
             |                                 
            
                34,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2007
             | 
            
                0.00 / 0.00%
             |             
            
                125.00
             |           
            
                125.00
             |               
            
                124.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                4.19
             |                                 
            
                27,860
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2007
             | 
            
                -4.00 / -3.10%
             |             
            
                129.00
             |           
            
                129.00
             |               
            
                125.00
             |                           
            
                125.00
             | 
            
                125.00
             |                     
            
                4.19
             |                                 
            
                9,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/4/2007
             | 
            
                +6.00 / +4.88%
             |             
            
                123.00
             |           
            
                129.00
             |               
            
                123.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                44,440
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2007
             | 
            
                -3.00 / -2.38%
             |             
            
                123.00
             |           
            
                123.00
             |               
            
                121.00
             |                           
            
                123.00
             | 
            
                123.00
             |                     
            
                4.13
             |                                 
            
                18,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2007
             | 
            
                -4.00 / -3.08%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                126.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                19,910
             |            
            
                 
             |                                       
         
    
        
            | 
                6/29/2007
             | 
            
                -1.00 / -0.76%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                130.00
             |                           
            
                130.00
             | 
            
                130.00
             |                     
            
                4.36
             |                                 
            
                19,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2007
             | 
            
                -1.00 / -0.76%
             |             
            
                132.00
             |           
            
                132.00
             |               
            
                131.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                9,910
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2007
             | 
            
                -2.00 / -1.49%
             |             
            
                134.00
             |           
            
                134.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                22,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2007
             | 
            
                +3.00 / +2.29%
             |             
            
                134.00
             |           
            
                135.00
             |               
            
                134.00
             |                           
            
                134.00
             | 
            
                134.00
             |                     
            
                4.50
             |                                 
            
                62,270
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2007
             | 
            
                +1.00 / +0.77%
             |             
            
                130.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                28,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2007
             | 
            
                -2.00 / -1.52%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                129.00
             |                           
            
                130.00
             | 
            
                130.00
             |                     
            
                4.36
             |                                 
            
                13,190
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2007
             | 
            
                -2.00 / -1.49%
             |             
            
                134.00
             |           
            
                134.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                37,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2007
             | 
            
                +2.00 / +1.52%
             |             
            
                132.00
             |           
            
                135.00
             |               
            
                131.00
             |                           
            
                134.00
             | 
            
                134.00
             |                     
            
                4.50
             |                                 
            
                75,180
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2007
             | 
            
                +1.00 / +0.76%
             |             
            
                132.00
             |           
            
                133.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                76,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |