| 
                 
                    Closing price on 9/21/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    128.00 | 
                 
                
                    | High | 
                    129.00 | 
                 
                
                    | Low | 
                    128.00 | 
                     
                
                    | Volume | 
                    15,160 | 
                                 
                
                    | Split-adjusted Price | 
                    4.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/21/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                15,160
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                21,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2007
             | 
            
                0.00 / 0.00%
             |             
            
                127.00
             |           
            
                128.00
             |               
            
                127.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                17,130
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                15,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2007
             | 
            
                -1.00 / -0.78%
             |             
            
                128.00
             |           
            
                128.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                4,490
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2007
             | 
            
                +1.00 / +0.78%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                129.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                5,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2007
             | 
            
                -1.00 / -0.78%
             |             
            
                129.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                5,980
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2007
             | 
            
                0.00 / 0.00%
             |             
            
                128.00
             |           
            
                130.00
             |               
            
                128.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                5,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2007
             | 
            
                -2.00 / -1.53%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                129.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                9,070
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2007
             | 
            
                -1.00 / -0.76%
             |             
            
                130.00
             |           
            
                131.00
             |               
            
                130.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                6,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2007
             | 
            
                0.00 / 0.00%
             |             
            
                132.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                8,750
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2007
             | 
            
                +1.00 / +0.76%
             |             
            
                130.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                6,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2007
             | 
            
                -1.00 / -0.76%
             |             
            
                133.00
             |           
            
                133.00
             |               
            
                131.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                26,890
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2007
             | 
            
                +2.00 / +1.54%
             |             
            
                132.00
             |           
            
                133.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                7,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2007
             | 
            
                -2.00 / -1.52%
             |             
            
                132.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                130.00
             | 
            
                130.00
             |                     
            
                4.36
             |                                 
            
                46,350
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2007
             | 
            
                0.00 / 0.00%
             |             
            
                133.00
             |           
            
                133.00
             |               
            
                132.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2007
             | 
            
                -2.00 / -1.49%
             |             
            
                130.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                132.00
             | 
            
                132.00
             |                     
            
                4.43
             |                                 
            
                10,120
             |            
            
                 
             |                                       
         
    
        
            | 
                8/28/2007
             | 
            
                +4.00 / +3.08%
             |             
            
                131.00
             |           
            
                134.00
             |               
            
                130.00
             |                           
            
                134.00
             | 
            
                134.00
             |                     
            
                4.50
             |                                 
            
                95,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2007
             | 
            
                -3.00 / -2.26%
             |             
            
                130.00
             |           
            
                130.00
             |               
            
                130.00
             |                           
            
                130.00
             | 
            
                130.00
             |                     
            
                4.36
             |                                 
            
                6,320
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2007
             | 
            
                +6.00 / +4.72%
             |             
            
                127.00
             |           
            
                133.00
             |               
            
                127.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                89,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2007
             | 
            
                +1.00 / +0.79%
             |             
            
                127.00
             |           
            
                127.00
             |               
            
                127.00
             |                           
            
                127.00
             | 
            
                127.00
             |                     
            
                4.26
             |                                 
            
                11,040
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2007
             | 
            
                -3.00 / -2.33%
             |             
            
                128.00
             |           
            
                128.00
             |               
            
                126.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                6,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2007
             | 
            
                +2.00 / +1.57%
             |             
            
                127.00
             |           
            
                130.00
             |               
            
                127.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                32,190
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2007
             | 
            
                +1.00 / +0.79%
             |             
            
                128.00
             |           
            
                128.00
             |               
            
                126.00
             |                           
            
                127.00
             | 
            
                127.00
             |                     
            
                4.26
             |                                 
            
                12,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2007
             | 
            
                -2.00 / -1.56%
             |             
            
                125.00
             |           
            
                126.00
             |               
            
                125.00
             |                           
            
                126.00
             | 
            
                126.00
             |                     
            
                4.23
             |                                 
            
                11,240
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2007
             | 
            
                -1.00 / -0.78%
             |             
            
                129.00
             |           
            
                129.00
             |               
            
                128.00
             |                           
            
                128.00
             | 
            
                128.00
             |                     
            
                4.30
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2007
             | 
            
                -2.00 / -1.53%
             |             
            
                128.00
             |           
            
                130.00
             |               
            
                128.00
             |                           
            
                129.00
             | 
            
                129.00
             |                     
            
                4.33
             |                                 
            
                13,720
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2007
             | 
            
                0.00 / 0.00%
             |             
            
                132.00
             |           
            
                133.00
             |               
            
                130.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                16,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2007
             | 
            
                -4.00 / -2.96%
             |             
            
                132.00
             |           
            
                132.00
             |               
            
                130.00
             |                           
            
                131.00
             | 
            
                131.00
             |                     
            
                4.40
             |                                 
            
                15,220
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2007
             | 
            
                +2.00 / +1.50%
             |             
            
                135.00
             |           
            
                135.00
             |               
            
                130.00
             |                           
            
                135.00
             | 
            
                135.00
             |                     
            
                4.53
             |                                 
            
                125,890
             |  
            
                 
             |                                                              
             
    
         
    
    
 |