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            | 
                    Closing price on 6/1/2007
                 |  |  
    
        |           
                
                    | Open | 134.00 |  
                    | High | 134.00 |  
                    | Low | 133.00 |  
                    | Volume | 23,510 |  
                    | Split-adjusted Price | 4.46 |  
                
             | 
 |  DRC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/1/2007 | -1.00 / -0.75% | 134.00 | 134.00 | 133.00 | 133.00 | 133.00 | 4.46 | 23,510 |   |  
            | 5/31/2007 | -1.00 / -0.74% | 134.00 | 135.00 | 134.00 | 134.00 | 134.00 | 4.50 | 24,150 |   |  			
            | 5/30/2007 | +2.00 / +1.50% | 133.00 | 135.00 | 133.00 | 135.00 | 135.00 | 4.53 | 29,140 |   |  
            | 5/29/2007 | -2.00 / -1.48% | 133.00 | 134.00 | 133.00 | 133.00 | 133.00 | 4.46 | 17,880 |   |  			
            | 5/28/2007 | -2.00 / -1.46% | 135.00 | 137.00 | 135.00 | 135.00 | 135.00 | 4.53 | 26,680 |   |  
            | 5/25/2007 | -1.00 / -0.72% | 137.00 | 137.00 | 132.00 | 137.00 | 137.00 | 4.60 | 18,590 |   |  			
            | 5/24/2007 | 0.00 / 0.00% | 138.00 | 138.00 | 138.00 | 138.00 | 138.00 | 4.63 | 29,300 |   |  
            | 5/23/2007 | +3.00 / +2.22% | 138.00 | 140.00 | 138.00 | 138.00 | 138.00 | 4.63 | 77,370 |   |  			
            | 5/22/2007 | +2.00 / +1.50% | 135.00 | 135.00 | 135.00 | 135.00 | 135.00 | 4.53 | 39,300 |   |  
            | 5/21/2007 | 0.00 / 0.00% | 133.00 | 133.00 | 133.00 | 133.00 | 133.00 | 4.46 | 23,910 |   |  			
            | 5/18/2007 | 0.00 / 0.00% | 133.00 | 133.00 | 133.00 | 133.00 | 133.00 | 4.46 | 26,280 |   |  
            | 5/17/2007 | 0.00 / 0.00% | 133.00 | 133.00 | 132.00 | 133.00 | 133.00 | 4.46 | 24,250 |   |  			
            | 5/16/2007 | -2.00 / -1.48% | 133.00 | 134.00 | 133.00 | 133.00 | 133.00 | 4.46 | 14,820 |   |  
            | 5/15/2007 | -3.00 / -2.17% | 135.00 | 138.00 | 135.00 | 135.00 | 135.00 | 4.53 | 24,300 |   |  			
            | 5/14/2007 | +3.00 / +2.22% | 137.00 | 138.00 | 137.00 | 138.00 | 138.00 | 4.63 | 46,260 |   |  
            | 5/11/2007 | +3.00 / +2.27% | 132.00 | 135.00 | 132.00 | 135.00 | 135.00 | 4.53 | 22,660 |   |  			
            | 5/10/2007 | -3.00 / -2.22% | 132.00 | 135.00 | 132.00 | 132.00 | 132.00 | 4.43 | 23,540 |   |  
            | 5/9/2007 | -3.00 / -2.17% | 135.00 | 140.00 | 135.00 | 135.00 | 135.00 | 4.53 | 70,180 |   |  			
            | 5/8/2007 | +6.00 / +4.55% | 135.00 | 138.00 | 135.00 | 138.00 | 138.00 | 4.63 | 78,040 |   |  
            | 5/7/2007 | 0.00 / 0.00% | 132.00 | 132.00 | 130.00 | 132.00 | 132.00 | 4.43 | 42,520 |   |  			
            | 5/4/2007 | -5.00 / -3.65% | 132.00 | 137.00 | 132.00 | 132.00 | 132.00 | 4.43 | 18,580 |   |  
            | 5/3/2007 | -53.00 / -27.89% | 137.00 | 137.00 | 134.00 | 137.00 | 137.00 | 4.60 | 68,610 |   |  			
            | 5/2/2007 | +2.00 / +1.06% | 190.00 | 190.00 | 190.00 | 190.00 | 190.00 | 4.52 | 97,710 |   |  
            | 4/25/2007 | +7.00 / +3.87% | 185.00 | 188.00 | 185.00 | 188.00 | 188.00 | 4.47 | 41,900 |   |  			
            | 4/24/2007 | -9.00 / -4.74% | 181.00 | 181.00 | 181.00 | 181.00 | 181.00 | 4.31 | 52,260 |   |  
            | 4/23/2007 | -5.00 / -2.56% | 190.00 | 195.00 | 190.00 | 190.00 | 190.00 | 4.52 | 53,720 |   |  			
            | 4/20/2007 | 0.00 / 0.00% | 195.00 | 195.00 | 195.00 | 195.00 | 195.00 | 4.64 | 65,720 |   |  
            | 4/19/2007 | +3.00 / +1.56% | 195.00 | 201.00 | 195.00 | 195.00 | 195.00 | 4.64 | 164,580 |   |  			
            | 4/18/2007 | +9.00 / +4.92% | 186.00 | 192.00 | 186.00 | 192.00 | 192.00 | 4.57 | 58,150 |   |  
            | 4/17/2007 | -2.00 / -1.08% | 183.00 | 183.00 | 181.00 | 183.00 | 183.00 | 4.36 | 31,710 |   |  |