| 
                 
                    Closing price on 4/29/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    53.00 | 
                 
                
                    | High | 
                    53.00 | 
                 
                
                    | Low | 
                    51.00 | 
                     
                
                    | Volume | 
                    43,860 | 
                                 
                
                    | Split-adjusted Price | 
                    1.87 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/29/2008
             | 
            
                +1.00 / +1.92%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                51.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                1.87
             |                                 
            
                43,860
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2008
             | 
            
                +1.00 / +1.96%
             |             
            
                50.00
             |           
            
                52.00
             |               
            
                50.00
             |                           
            
                52.00
             | 
            
                52.00
             |                     
            
                1.84
             |                                 
            
                20,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2008
             | 
            
                -1.00 / -1.92%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                51.00
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                1.80
             |                                 
            
                14,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2008
             | 
            
                -1.00 / -1.89%
             |             
            
                52.00
             |           
            
                52.00
             |               
            
                52.00
             |                           
            
                52.00
             | 
            
                52.00
             |                     
            
                1.84
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2008
             | 
            
                -1.00 / -1.85%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                53.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                1.87
             |                                 
            
                250
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2008
             | 
            
                -1.00 / -1.82%
             |             
            
                54.00
             |           
            
                54.50
             |               
            
                54.00
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                1.91
             |                                 
            
                7,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2008
             | 
            
                -4.00 / -6.78%
             |             
            
                55.00
             |           
            
                55.50
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                1.94
             |                                 
            
                6,430
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2008
             | 
            
                0.00 / 0.00%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                1.98
             |                                 
            
                30,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2008
             | 
            
                +1.00 / +1.72%
             |             
            
                57.00
             |           
            
                59.00
             |               
            
                57.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                1.98
             |                                 
            
                11,070
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2008
             | 
            
                -1.00 / -1.69%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                1.95
             |                                 
            
                6,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2008
             | 
            
                -1.00 / -1.67%
             |             
            
                59.00
             |           
            
                60.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                1.98
             |                                 
            
                11,360
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2008
             | 
            
                -1.00 / -1.64%
             |             
            
                60.50
             |           
            
                60.50
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                2.01
             |                                 
            
                13,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2008
             | 
            
                +1.00 / +1.67%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                60.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                2.05
             |                                 
            
                17,250
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2008
             | 
            
                +1.00 / +1.69%
             |             
            
                59.00
             |           
            
                60.00
             |               
            
                58.50
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                2.01
             |                                 
            
                92,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2008
             | 
            
                +1.00 / +1.72%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                1.98
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2008
             | 
            
                +0.50 / +0.87%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                1.95
             |                                 
            
                17,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2008
             | 
            
                +0.50 / +0.88%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                57.50
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                1.93
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2008
             | 
            
                +0.50 / +0.88%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                1.91
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2008
             | 
            
                +0.50 / +0.89%
             |             
            
                56.50
             |           
            
                56.50
             |               
            
                56.50
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                1.90
             |                                 
            
                820
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2008
             | 
            
                +0.50 / +0.90%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                1.88
             |                                 
            
                430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2008
             | 
            
                +0.50 / +0.91%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                1.86
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2008
             | 
            
                +0.50 / +0.92%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                1.85
             |                                 
            
                5,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2008
             | 
            
                -0.50 / -0.91%
             |             
            
                53.00
             |           
            
                55.00
             |               
            
                52.50
             |                           
            
                54.50
             | 
            
                54.50
             |                     
            
                1.83
             |                                 
            
                24,490
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2008
             | 
            
                -2.50 / -4.35%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.00
             |                     
            
                1.85
             |                                 
            
                760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2008
             | 
            
                -3.00 / -4.96%
             |             
            
                57.50
             |           
            
                63.00
             |               
            
                57.50
             |                           
            
                57.50
             | 
            
                57.50
             |                     
            
                1.93
             |                                 
            
                12,570
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2008
             | 
            
                -3.00 / -4.72%
             |             
            
                62.00
             |           
            
                63.00
             |               
            
                60.50
             |                           
            
                60.50
             | 
            
                60.50
             |                     
            
                2.03
             |                                 
            
                13,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2008
             | 
            
                0.00 / 0.00%
             |             
            
                63.50
             |           
            
                66.50
             |               
            
                63.50
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                2.13
             |                                 
            
                19,560
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2008
             | 
            
                -3.00 / -4.51%
             |             
            
                63.50
             |           
            
                65.50
             |               
            
                63.50
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                2.13
             |                                 
            
                14,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2008
             | 
            
                -3.50 / -5.00%
             |             
            
                66.50
             |           
            
                66.50
             |               
            
                66.50
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                2.23
             |                                 
            
                1,870
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2008
             | 
            
                -3.50 / -4.76%
             |             
            
                70.00
             |           
            
                71.00
             |               
            
                70.00
             |                           
            
                70.00
             | 
            
                70.00
             |                     
            
                2.35
             |                                 
            
                19,630
             |  
            
                 
             |                                                              
             
    
         
    
    
 |