| 
                 
                    Closing price on 8/29/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    130.00 | 
                 
                
                    | High | 
                    132.00 | 
                 
                
                    | Low | 
                    130.00 | 
                     
                
                    | Volume | 
                    10,120 | 
                                 
                
                    | Split-adjusted Price | 
                    4.43 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2007
             | 
            
                +6.00 / +4.72%
             |             
            
                130.00
             |           
            
                133.00
             |               
            
                128.00
             |                           
            
                133.00
             | 
            
                133.00
             |                     
            
                4.46
             |                                 
            
                98,950
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2007
             | 
            
                0.00 / 0.00%
             |             
            
                125.00
             |           
            
                127.00
             |               
            
                125.00
             |                           
            
                127.00
             | 
            
                127.00
             |                     
            
                4.26
             |                                 
            
                32,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2007
             | 
            
                0.00 / 0.00%
             |             
            
                125.00
             |           
            
                127.00
             |               
            
                125.00
             |                           
            
                127.00
             | 
            
                127.00
             |                     
            
                4.26
             |                                 
            
                15,110
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2007
             | 
            
                0.00 / 0.00%
             |             
            
                127.00
             |           
            
                127.00
             |               
            
                126.00
             |                           
            
                127.00
             | 
            
                127.00
             |                     
            
                4.26
             |                                 
            
                57,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2007
             | 
            
                +3.00 / +2.42%
             |             
            
                127.00
             |           
            
                127.00
             |               
            
                124.00
             |                           
            
                127.00
             | 
            
                127.00
             |                     
            
                4.26
             |                                 
            
                114,960
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2007
             | 
            
                +5.00 / +4.20%
             |             
            
                120.00
             |           
            
                124.00
             |               
            
                120.00
             |                           
            
                124.00
             | 
            
                124.00
             |                     
            
                4.16
             |                                 
            
                77,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2007
             | 
            
                +1.00 / +0.85%
             |             
            
                118.00
             |           
            
                121.00
             |               
            
                118.00
             |                           
            
                119.00
             | 
            
                119.00
             |                     
            
                3.99
             |                                 
            
                16,930
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2007
             | 
            
                -1.00 / -0.84%
             |             
            
                118.00
             |           
            
                118.00
             |               
            
                114.00
             |                           
            
                118.00
             | 
            
                118.00
             |                     
            
                3.96
             |                                 
            
                39,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2007
             | 
            
                -1.00 / -0.83%
             |             
            
                119.00
             |           
            
                119.00
             |               
            
                117.00
             |                           
            
                119.00
             | 
            
                119.00
             |                     
            
                3.99
             |                                 
            
                9,340
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2007
             | 
            
                -2.00 / -1.64%
             |             
            
                121.00
             |           
            
                121.00
             |               
            
                120.00
             |                           
            
                120.00
             | 
            
                120.00
             |                     
            
                4.03
             |                                 
            
                18,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2007
             | 
            
                -1.00 / -0.81%
             |             
            
                123.00
             |           
            
                123.00
             |               
            
                122.00
             |                           
            
                122.00
             | 
            
                122.00
             |                     
            
                4.09
             |                                 
            
                19,620
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2007
             | 
            
                0.00 / 0.00%
             |             
            
                123.00
             |           
            
                123.00
             |               
            
                123.00
             |                           
            
                123.00
             | 
            
                123.00
             |                     
            
                4.13
             |                                 
            
                26,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2007
             | 
            
                -1.00 / -0.81%
             |             
            
                123.00
             |           
            
                123.00
             |               
            
                123.00
             |                           
            
                123.00
             | 
            
                123.00
             |                     
            
                4.13
             |                                 
            
                19,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2007
             | 
            
                +2.00 / +1.64%
             |             
            
                123.00
             |           
            
                124.00
             |               
            
                123.00
             |                           
            
                124.00
             | 
            
                124.00
             |                     
            
                4.16
             |                                 
            
                20,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |