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            | 
                    Closing price on 8/10/2007
                 |  |  
    
        |           
                
                    | Open | 135.00 |  
                    | High | 135.00 |  
                    | Low | 130.00 |  
                    | Volume | 125,890 |  
                    | Split-adjusted Price | 4.53 |  
                
             | 
 |  DRC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 7/18/2007 | 0.00 / 0.00% | 124.00 | 124.00 | 124.00 | 124.00 | 124.00 | 4.16 | 11,670 |   |  			
            | 7/17/2007 | +4.00 / +3.33% | 122.00 | 124.00 | 122.00 | 124.00 | 124.00 | 4.16 | 19,950 |   |  
            | 7/16/2007 | -5.00 / -4.00% | 124.00 | 124.00 | 120.00 | 120.00 | 120.00 | 4.03 | 30,150 |   |  			
            | 7/13/2007 | 0.00 / 0.00% | 125.00 | 125.00 | 124.00 | 125.00 | 125.00 | 4.19 | 16,980 |   |  
            | 7/12/2007 | -1.00 / -0.79% | 126.00 | 126.00 | 125.00 | 125.00 | 125.00 | 4.19 | 15,400 |   |  			
            | 7/11/2007 | -2.00 / -1.56% | 128.00 | 128.00 | 126.00 | 126.00 | 126.00 | 4.23 | 26,110 |   |  
            | 7/10/2007 | +3.00 / +2.40% | 126.00 | 128.00 | 126.00 | 128.00 | 128.00 | 4.30 | 14,070 |   |  			
            | 7/9/2007 | 0.00 / 0.00% | 125.00 | 125.00 | 125.00 | 125.00 | 125.00 | 4.19 | 34,970 |   |  
            | 7/6/2007 | 0.00 / 0.00% | 125.00 | 125.00 | 124.00 | 125.00 | 125.00 | 4.19 | 27,860 |   |  			
            | 7/5/2007 | -4.00 / -3.10% | 129.00 | 129.00 | 125.00 | 125.00 | 125.00 | 4.19 | 9,250 |   |  
            | 7/4/2007 | +6.00 / +4.88% | 123.00 | 129.00 | 123.00 | 129.00 | 129.00 | 4.33 | 44,440 |   |  			
            | 7/3/2007 | -3.00 / -2.38% | 123.00 | 123.00 | 121.00 | 123.00 | 123.00 | 4.13 | 18,610 |   |  
            | 7/2/2007 | -4.00 / -3.08% | 130.00 | 130.00 | 126.00 | 126.00 | 126.00 | 4.23 | 19,910 |   |  |