| 
                 
                    Closing price on 6/6/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    36.90 | 
                 
                
                    | High | 
                    36.90 | 
                 
                
                    | Low | 
                    36.90 | 
                     
                
                    | Volume | 
                    6,000 | 
                                 
                
                    | Split-adjusted Price | 
                    1.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/6/2008
             | 
            
                -0.70 / -1.86%
             |             
            
                36.90
             |           
            
                36.90
             |               
            
                36.90
             |                           
            
                36.90
             | 
            
                36.90
             |                     
            
                1.30
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2008
             | 
            
                -0.70 / -1.83%
             |             
            
                37.60
             |           
            
                37.60
             |               
            
                37.60
             |                           
            
                37.60
             | 
            
                37.60
             |                     
            
                1.33
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2008
             | 
            
                -0.70 / -1.79%
             |             
            
                38.30
             |           
            
                38.30
             |               
            
                38.30
             |                           
            
                38.30
             | 
            
                38.30
             |                     
            
                1.35
             |                                 
            
                4,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2008
             | 
            
                -0.70 / -1.76%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                39.00
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                1.38
             |                                 
            
                1,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2008
             | 
            
                -0.80 / -1.98%
             |             
            
                39.70
             |           
            
                39.70
             |               
            
                39.70
             |                           
            
                39.70
             | 
            
                39.70
             |                     
            
                1.40
             |                                 
            
                20,110
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2008
             | 
            
                -0.80 / -1.94%
             |             
            
                40.50
             |           
            
                40.50
             |               
            
                40.50
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                1.43
             |                                 
            
                21,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2008
             | 
            
                -0.80 / -1.90%
             |             
            
                41.30
             |           
            
                41.30
             |               
            
                41.30
             |                           
            
                41.30
             | 
            
                41.30
             |                     
            
                1.46
             |                                 
            
                1,210
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2008
             | 
            
                -0.80 / -1.86%
             |             
            
                42.10
             |           
            
                42.10
             |               
            
                42.10
             |                           
            
                42.10
             | 
            
                42.10
             |                     
            
                1.49
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2008
             | 
            
                -0.80 / -1.83%
             |             
            
                43.70
             |           
            
                43.70
             |               
            
                42.90
             |                           
            
                42.90
             | 
            
                42.90
             |                     
            
                1.52
             |                                 
            
                370
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2008
             | 
            
                -0.80 / -1.80%
             |             
            
                43.70
             |           
            
                43.70
             |               
            
                43.70
             |                           
            
                43.70
             | 
            
                43.70
             |                     
            
                1.55
             |                                 
            
                1,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2008
             | 
            
                -0.90 / -1.98%
             |             
            
                44.50
             |           
            
                46.30
             |               
            
                44.50
             |                           
            
                44.50
             | 
            
                44.50
             |                     
            
                1.57
             |                                 
            
                15,010
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2008
             | 
            
                -0.90 / -1.94%
             |             
            
                45.40
             |           
            
                45.50
             |               
            
                45.40
             |                           
            
                45.40
             | 
            
                45.40
             |                     
            
                1.61
             |                                 
            
                22,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2008
             | 
            
                -0.90 / -1.91%
             |             
            
                46.30
             |           
            
                46.30
             |               
            
                46.30
             |                           
            
                46.30
             | 
            
                46.30
             |                     
            
                1.64
             |                                 
            
                21,330
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2008
             | 
            
                -0.90 / -1.87%
             |             
            
                47.20
             |           
            
                47.20
             |               
            
                47.20
             |                           
            
                47.20
             | 
            
                47.20
             |                     
            
                1.67
             |                                 
            
                60
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2008
             | 
            
                -0.90 / -1.84%
             |             
            
                48.10
             |           
            
                48.10
             |               
            
                48.10
             |                           
            
                48.10
             | 
            
                48.10
             |                     
            
                1.70
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2008
             | 
            
                -1.00 / -2.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                1.73
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2008
             | 
            
                -1.00 / -1.96%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                1.77
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2008
             | 
            
                -1.00 / -1.92%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                51.00
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                1.80
             |                                 
            
                16,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2008
             | 
            
                -1.00 / -1.89%
             |             
            
                52.00
             |           
            
                52.00
             |               
            
                52.00
             |                           
            
                52.00
             | 
            
                52.00
             |                     
            
                1.84
             |                                 
            
                70
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2008
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                52.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                1.87
             |                                 
            
                31,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2008
             | 
            
                +1.00 / +1.92%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                51.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                1.87
             |                                 
            
                34,150
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2008
             | 
            
                -1.00 / -1.89%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                52.00
             |                           
            
                52.00
             | 
            
                52.00
             |                     
            
                1.84
             |                                 
            
                6,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |