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            | 
                    Closing price on 6/15/2010
                 |  |  
    
        |           
                
                    | Open | 53.50 |  
                    | High | 53.50 |  
                    | Low | 52.50 |  
                    | Volume | 42,050 |  
                    | Split-adjusted Price | 4.79 |  
                
             | 
 |  DRC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/15/2010 | -1.00 / -1.87% | 53.50 | 53.50 | 52.50 | 52.50 | 52.50 | 4.79 | 42,050 |   |  
            | 6/14/2010 | 0.00 / 0.00% | 54.00 | 54.00 | 53.50 | 53.50 | 53.50 | 4.88 | 32,420 |   |  			
            | 6/11/2010 | +0.50 / +0.94% | 54.00 | 54.00 | 53.00 | 53.50 | 53.50 | 4.88 | 35,450 |   |  
            | 6/10/2010 | 0.00 / 0.00% | 53.00 | 53.50 | 53.00 | 53.00 | 53.00 | 4.83 | 25,590 |   |  			
            | 6/9/2010 | 0.00 / 0.00% | 54.00 | 54.00 | 53.00 | 53.00 | 53.00 | 4.83 | 31,380 |   |  
            | 6/8/2010 | 0.00 / 0.00% | 52.00 | 53.50 | 52.00 | 53.00 | 53.00 | 4.83 | 46,580 |   |  			
            | 6/7/2010 | -2.00 / -3.64% | 52.50 | 54.50 | 52.50 | 53.00 | 53.00 | 4.83 | 88,160 |   |  
            | 6/4/2010 | -0.50 / -0.90% | 55.00 | 55.50 | 54.50 | 55.00 | 55.00 | 5.02 | 54,630 |   |  			
            | 6/3/2010 | -0.50 / -0.89% | 57.00 | 57.00 | 55.50 | 55.50 | 55.50 | 5.06 | 66,690 |   |  
            | 6/2/2010 | -0.50 / -0.88% | 56.50 | 56.50 | 56.00 | 56.00 | 56.00 | 5.11 | 74,260 |   |  			
            | 6/1/2010 | +0.50 / +0.89% | 55.00 | 56.50 | 54.50 | 56.50 | 56.50 | 5.15 | 36,950 |   |  
            | 5/31/2010 | -1.50 / -2.61% | 57.00 | 57.00 | 56.00 | 56.00 | 56.00 | 5.11 | 71,350 |   |  			
            | 5/28/2010 | +1.50 / +2.68% | 57.50 | 58.00 | 56.50 | 57.50 | 57.50 | 5.24 | 144,410 |   |  
            | 5/27/2010 | +1.00 / +1.82% | 55.00 | 56.00 | 54.50 | 56.00 | 56.00 | 5.11 | 127,450 |   |  			
            | 5/26/2010 | +2.50 / +4.76% | 53.00 | 55.00 | 52.50 | 55.00 | 55.00 | 5.02 | 95,960 |   |  
            | 5/25/2010 | -1.50 / -2.78% | 54.00 | 54.00 | 52.50 | 52.50 | 52.50 | 4.79 | 69,450 |   |  			
            | 5/24/2010 | -0.50 / -0.92% | 54.00 | 55.00 | 52.00 | 54.00 | 54.00 | 4.93 | 88,540 |   |  
            | 5/21/2010 | -2.50 / -4.39% | 54.50 | 55.00 | 54.50 | 54.50 | 54.50 | 4.97 | 176,810 |   |  			
            | 5/20/2010 | 0.00 / 0.00% | 55.00 | 57.00 | 55.00 | 57.00 | 57.00 | 5.20 | 191,750 |   |  
            | 5/19/2010 | -58.00 / -50.43% | 60.00 | 60.00 | 55.50 | 57.00 | 57.00 | 5.20 | 365,740 |   |  			
            | 5/18/2010 | +1.00 / +0.88% | 111.00 | 115.00 | 111.00 | 115.00 | 115.00 | 5.24 | 292,390 |   |  
            | 5/17/2010 | -1.00 / -0.87% | 115.00 | 116.00 | 112.00 | 114.00 | 114.00 | 5.20 | 115,010 |   |  			
            | 5/14/2010 | -2.00 / -1.71% | 118.00 | 118.00 | 115.00 | 115.00 | 115.00 | 5.24 | 138,570 |   |  
            | 5/13/2010 | -2.00 / -1.68% | 121.00 | 121.00 | 117.00 | 117.00 | 117.00 | 5.34 | 144,000 |   |  			
            | 5/12/2010 | 0.00 / 0.00% | 122.00 | 123.00 | 119.00 | 119.00 | 119.00 | 5.43 | 504,800 |   |  
            | 5/11/2010 | +5.00 / +4.39% | 119.00 | 119.00 | 119.00 | 119.00 | 119.00 | 5.43 | 43,600 |   |  			
            | 5/10/2010 | 0.00 / 0.00% | 114.00 | 114.00 | 112.00 | 114.00 | 114.00 | 5.20 | 101,610 |   |  
            | 5/7/2010 | -3.00 / -2.56% | 116.00 | 116.00 | 114.00 | 114.00 | 114.00 | 5.20 | 142,840 |   |  			
            | 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 |   |  |