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            | 
                    Closing price on 4/25/2007
                 |  |  
    
        |           
                
                    | Open | 185.00 |  
                    | High | 188.00 |  
                    | Low | 185.00 |  
                    | Volume | 41,900 |  
                    | Split-adjusted Price | 4.47 |  
                
             | 
 |  DRC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 4/16/2007 | -3.00 / -1.60% | 185.00 | 190.00 | 185.00 | 185.00 | 185.00 | 4.40 | 67,460 |   |  			
            | 4/13/2007 | -2.00 / -1.05% | 188.00 | 190.00 | 188.00 | 188.00 | 188.00 | 4.47 | 26,670 |   |  
            | 4/12/2007 | -5.00 / -2.56% | 190.00 | 194.00 | 190.00 | 190.00 | 190.00 | 4.52 | 32,530 |   |  			
            | 4/11/2007 | -4.00 / -2.01% | 195.00 | 196.00 | 195.00 | 195.00 | 195.00 | 4.64 | 23,740 |   |  
            | 4/10/2007 | -2.00 / -1.00% | 199.00 | 200.00 | 199.00 | 199.00 | 199.00 | 4.74 | 23,050 |   |  			
            | 4/9/2007 | +9.00 / +4.69% | 194.00 | 201.00 | 194.00 | 201.00 | 201.00 | 4.78 | 45,140 |   |  
            | 4/6/2007 | -8.00 / -4.00% | 192.00 | 194.00 | 192.00 | 192.00 | 192.00 | 4.57 | 28,130 |   |  			
            | 4/5/2007 | 0.00 / 0.00% | 200.00 | 200.00 | 195.00 | 200.00 | 200.00 | 4.76 | 49,130 |   |  
            | 4/4/2007 | +1.00 / +0.50% | 199.00 | 200.00 | 199.00 | 200.00 | 200.00 | 4.76 | 26,200 |   |  			
            | 4/3/2007 | -7.00 / -3.40% | 199.00 | 199.00 | 196.00 | 199.00 | 199.00 | 4.74 | 36,100 |   |  
            | 4/2/2007 | -2.00 / -0.96% | 206.00 | 208.00 | 199.00 | 206.00 | 206.00 | 4.90 | 52,120 |   |  			
            | 3/30/2007 | +9.00 / +4.52% | 208.00 | 208.00 | 208.00 | 208.00 | 208.00 | 4.95 | 88,620 |   |  
            | 3/29/2007 | +9.00 / +4.74% | 198.00 | 199.00 | 198.00 | 199.00 | 199.00 | 4.74 | 23,920 |   |  			
            | 3/28/2007 | -5.00 / -2.56% | 190.00 | 190.00 | 186.00 | 190.00 | 190.00 | 4.52 | 51,140 |   |  
            | 3/27/2007 | -5.00 / -2.50% | 200.00 | 200.00 | 195.00 | 195.00 | 195.00 | 4.64 | 102,060 |   |  			
            | 3/26/2007 | 0.00 / 0.00% | 200.00 | 200.00 | 200.00 | 200.00 | 200.00 | 4.76 | 89,630 |   |  
            | 3/23/2007 | -8.00 / -3.85% | 200.00 | 200.00 | 200.00 | 200.00 | 200.00 | 4.76 | 86,420 |   |  			
            | 3/22/2007 | -10.00 / -4.59% | 208.00 | 208.00 | 208.00 | 208.00 | 208.00 | 4.95 | 34,610 |   |  
            | 3/21/2007 | -2.00 / -0.91% | 220.00 | 220.00 | 215.00 | 218.00 | 218.00 | 5.19 | 35,330 |   |  			
            | 3/20/2007 | 0.00 / 0.00% | 220.00 | 220.00 | 210.00 | 220.00 | 220.00 | 5.24 | 80,300 |   |  
            | 3/19/2007 | 0.00 / 0.00% | 220.00 | 230.00 | 220.00 | 220.00 | 220.00 | 5.24 | 73,930 |   |  			
            | 3/16/2007 | +10.00 / +4.76% | 220.00 | 220.00 | 220.00 | 220.00 | 220.00 | 5.24 | 55,160 |   |  
            | 3/15/2007 | -9.00 / -4.11% | 210.00 | 210.00 | 210.00 | 210.00 | 210.00 | 5.00 | 98,750 |   |  |