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            | 
                    Closing price on 4/3/2007
                 |  |  
    
        |           
                
                    | Open | 199.00 |  
                    | High | 199.00 |  
                    | Low | 196.00 |  
                    | Volume | 36,100 |  
                    | Split-adjusted Price | 4.74 |  
                
             | 
 |  DRC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 3/14/2007 | -11.00 / -4.78% | 228.00 | 228.00 | 219.00 | 219.00 | 219.00 | 5.21 | 24,450 |   |  
            | 3/13/2007 | +3.00 / +1.32% | 227.00 | 230.00 | 216.00 | 230.00 | 230.00 | 5.47 | 96,390 |   |  			
            | 3/12/2007 | 0.00 / 0.00% | 227.00 | 238.00 | 227.00 | 227.00 | 227.00 | 5.40 | 119,500 |   |  
            | 3/9/2007 | +7.00 / +3.18% | 227.00 | 231.00 | 227.00 | 227.00 | 227.00 | 5.40 | 108,760 |   |  			
            | 3/8/2007 | +10.00 / +4.76% | 220.00 | 220.00 | 220.00 | 220.00 | 220.00 | 5.24 | 38,360 |   |  
            | 3/7/2007 | -10.00 / -4.55% | 210.00 | 210.00 | 210.00 | 210.00 | 210.00 | 5.00 | 107,770 |   |  			
            | 3/6/2007 | -10.00 / -4.35% | 230.00 | 230.00 | 220.00 | 220.00 | 220.00 | 5.24 | 82,880 |   |  
            | 3/5/2007 | 0.00 / 0.00% | 230.00 | 241.00 | 230.00 | 230.00 | 230.00 | 5.47 | 145,320 |   |  			
            | 3/2/2007 | -5.00 / -2.13% | 235.00 | 235.00 | 230.00 | 230.00 | 230.00 | 5.47 | 88,360 |   |  
            | 3/1/2007 | +4.00 / +1.73% | 231.00 | 242.00 | 231.00 | 235.00 | 235.00 | 5.59 | 86,930 |   |  			
            | 2/28/2007 | +8.00 / +3.59% | 223.00 | 234.00 | 215.00 | 231.00 | 231.00 | 5.50 | 121,260 |   |  
            | 2/27/2007 | +10.00 / +4.69% | 223.00 | 223.00 | 223.00 | 223.00 | 223.00 | 5.31 | 2,480 |   |  			
            | 2/26/2007 | +10.00 / +4.93% | 210.00 | 213.00 | 210.00 | 213.00 | 213.00 | 5.07 | 5,720 |   |  
            | 2/15/2007 | +9.00 / +4.64% | 203.00 | 203.00 | 203.00 | 203.00 | 203.00 | 4.83 | 23,280 |   |  			
            | 2/14/2007 | +9.00 / +4.86% | 192.00 | 194.00 | 192.00 | 194.00 | 194.00 | 4.62 | 63,570 |   |  
            | 2/13/2007 | +6.00 / +3.35% | 185.00 | 187.00 | 185.00 | 185.00 | 185.00 | 4.40 | 72,030 |   |  |