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            | 
                    Closing price on 5/6/2010
                 |  |  
    
        |           
                
                    | Open | 119.00 |  
                    | High | 120.00 |  
                    | Low | 117.00 |  
                    | Volume | 89,410 |  
                    | Split-adjusted Price | 5.34 |  
                
             | 
 |  DRC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/6/2010 | -2.00 / -1.68% | 119.00 | 120.00 | 117.00 | 117.00 | 117.00 | 5.34 | 89,410 |   |  
            | 5/5/2010 | +2.00 / +1.71% | 117.00 | 119.00 | 116.00 | 119.00 | 119.00 | 5.43 | 225,780 |   |  			
            | 5/4/2010 | 0.00 / 0.00% | 119.00 | 120.00 | 117.00 | 117.00 | 117.00 | 5.34 | 103,090 |   |  
            | 4/29/2010 | 0.00 / 0.00% | 117.00 | 119.00 | 117.00 | 117.00 | 117.00 | 5.34 | 138,640 |   |  			
            | 4/28/2010 | -1.00 / -0.85% | 118.00 | 118.00 | 116.00 | 117.00 | 117.00 | 5.34 | 72,470 |   |  
            | 4/27/2010 | -3.00 / -2.48% | 120.00 | 121.00 | 117.00 | 118.00 | 118.00 | 5.38 | 196,380 |   |  			
            | 4/26/2010 | +3.00 / +2.54% | 120.00 | 122.00 | 119.00 | 121.00 | 121.00 | 5.52 | 170,520 |   |  
            | 4/22/2010 | +5.00 / +4.42% | 116.00 | 118.00 | 116.00 | 118.00 | 118.00 | 5.38 | 206,510 |   |  			
            | 4/21/2010 | 0.00 / 0.00% | 113.00 | 115.00 | 113.00 | 113.00 | 113.00 | 5.15 | 116,190 |   |  
            | 4/20/2010 | -2.00 / -1.74% | 115.00 | 116.00 | 113.00 | 113.00 | 113.00 | 5.15 | 104,690 |   |  			
            | 4/19/2010 | -1.00 / -0.86% | 117.00 | 117.00 | 114.00 | 115.00 | 115.00 | 5.24 | 79,490 |   |  
            | 4/16/2010 | 0.00 / 0.00% | 117.00 | 117.00 | 116.00 | 116.00 | 116.00 | 5.29 | 135,490 |   |  			
            | 4/15/2010 | 0.00 / 0.00% | 117.00 | 117.00 | 115.00 | 116.00 | 116.00 | 5.29 | 143,470 |   |  
            | 4/14/2010 | 0.00 / 0.00% | 116.00 | 117.00 | 115.00 | 116.00 | 116.00 | 5.29 | 237,840 |   |  			
            | 4/13/2010 | -2.00 / -1.69% | 118.00 | 118.00 | 116.00 | 116.00 | 116.00 | 5.29 | 138,470 |   |  
            | 4/12/2010 | -1.00 / -0.84% | 118.00 | 118.00 | 118.00 | 118.00 | 118.00 | 5.38 | 206,950 |   |  			
            | 4/9/2010 | -1.00 / -0.83% | 120.00 | 120.00 | 118.00 | 119.00 | 119.00 | 5.43 | 131,990 |   |  
            | 4/8/2010 | +1.00 / +0.84% | 120.00 | 120.00 | 118.00 | 120.00 | 120.00 | 5.47 | 137,200 |   |  			
            | 4/7/2010 | -2.00 / -1.65% | 120.00 | 121.00 | 118.00 | 119.00 | 119.00 | 5.43 | 242,730 |   |  
            | 4/6/2010 | -3.00 / -2.42% | 124.00 | 124.00 | 120.00 | 121.00 | 121.00 | 5.52 | 180,070 |   |  			
            | 4/5/2010 | +1.00 / +0.81% | 124.00 | 125.00 | 123.00 | 124.00 | 124.00 | 5.66 | 63,220 |   |  
            | 4/2/2010 | +3.00 / +2.50% | 121.00 | 126.00 | 120.00 | 123.00 | 123.00 | 5.61 | 130,930 |   |  			
            | 4/1/2010 | +2.00 / +1.69% | 118.00 | 120.00 | 117.00 | 120.00 | 120.00 | 5.47 | 124,310 |   |  
            | 3/31/2010 | -2.00 / -1.67% | 121.00 | 121.00 | 118.00 | 118.00 | 118.00 | 5.38 | 110,960 |   |  			
            | 3/30/2010 | -1.00 / -0.83% | 121.00 | 122.00 | 120.00 | 120.00 | 120.00 | 5.47 | 112,580 |   |  
            | 3/29/2010 | 0.00 / 0.00% | 124.00 | 124.00 | 121.00 | 121.00 | 121.00 | 5.52 | 124,160 |   |  			
            | 3/26/2010 | 0.00 / 0.00% | 122.00 | 122.00 | 120.00 | 121.00 | 121.00 | 5.52 | 160,320 |   |  
            | 3/25/2010 | -4.00 / -3.20% | 122.00 | 124.00 | 120.00 | 121.00 | 121.00 | 5.52 | 177,740 |   |  			
            | 3/24/2010 | +2.00 / +1.63% | 124.00 | 125.00 | 121.00 | 125.00 | 125.00 | 5.70 | 168,270 |   |  
            | 3/23/2010 | -1.00 / -0.81% | 123.00 | 125.00 | 123.00 | 123.00 | 123.00 | 5.61 | 169,510 |   |  |