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                    Closing price on 4/22/2010
                 |  |  
    
        |           
                
                    | Open | 66.50 |  
                    | High | 66.50 |  
                    | Low | 66.00 |  
                    | Volume | 211,090 |  
                    | Split-adjusted Price | 15.41 |  
                
             | 
 |  DCL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/22/2010 | +3.00 / +4.72% | 66.50 | 66.50 | 66.00 | 66.50 | 66.50 | 15.41 | 211,090 |   |  
            | 4/21/2010 | +3.00 / +4.96% | 61.00 | 63.50 | 60.50 | 63.50 | 63.50 | 14.71 | 112,840 |   |  			
            | 4/20/2010 | 0.00 / 0.00% | 61.50 | 62.00 | 60.00 | 60.50 | 60.50 | 14.02 | 44,420 |   |  
            | 4/19/2010 | 0.00 / 0.00% | 60.00 | 61.00 | 60.00 | 60.50 | 60.50 | 14.02 | 47,270 |   |  			
            | 4/16/2010 | +2.50 / +4.31% | 59.50 | 60.50 | 59.00 | 60.50 | 60.50 | 14.02 | 76,720 |   |  
            | 4/15/2010 | -0.50 / -0.85% | 59.50 | 59.50 | 58.00 | 58.00 | 58.00 | 13.44 | 10,370 |   |  			
            | 4/14/2010 | +0.50 / +0.86% | 58.00 | 58.50 | 58.00 | 58.50 | 58.50 | 13.56 | 34,570 |   |  
            | 4/13/2010 | +0.50 / +0.87% | 58.00 | 59.50 | 58.00 | 58.00 | 58.00 | 13.44 | 22,160 |   |  			
            | 4/12/2010 | -2.50 / -4.17% | 57.50 | 57.50 | 57.50 | 57.50 | 57.50 | 13.32 | 44,870 |   |  
            | 4/9/2010 | 0.00 / 0.00% | 60.50 | 60.50 | 60.00 | 60.00 | 60.00 | 13.90 | 40,360 |   |  			
            | 4/8/2010 | -1.00 / -1.64% | 61.00 | 61.00 | 60.00 | 60.00 | 60.00 | 13.90 | 23,250 |   |  
            | 4/7/2010 | +2.50 / +4.27% | 61.00 | 61.00 | 60.50 | 61.00 | 61.00 | 14.13 | 202,660 |   |  			
            | 4/6/2010 | +2.50 / +4.46% | 57.00 | 58.50 | 56.50 | 58.50 | 58.50 | 13.56 | 245,410 |   |  
            | 4/5/2010 | +0.50 / +0.90% | 56.50 | 56.50 | 56.00 | 56.00 | 56.00 | 12.98 | 11,300 |   |  			
            | 4/2/2010 | +1.00 / +1.83% | 56.00 | 56.00 | 55.50 | 55.50 | 55.50 | 12.86 | 13,630 |   |  
            | 4/1/2010 | -1.50 / -2.68% | 56.00 | 56.00 | 54.00 | 54.50 | 54.50 | 12.63 | 4,340 |   |  			
            | 3/31/2010 | -0.50 / -0.88% | 56.50 | 56.50 | 55.00 | 56.00 | 56.00 | 12.98 | 11,970 |   |  
            | 3/30/2010 | +1.50 / +2.73% | 56.00 | 57.00 | 55.50 | 56.50 | 56.50 | 13.09 | 17,260 |   |  			
            | 3/29/2010 | -1.50 / -2.65% | 57.00 | 57.00 | 55.00 | 55.00 | 55.00 | 12.74 | 130 |   |  
            | 3/26/2010 | +0.50 / +0.89% | 57.00 | 57.00 | 55.50 | 56.50 | 56.50 | 13.09 | 23,680 |   |  			
            | 3/25/2010 | -1.00 / -1.75% | 55.50 | 56.00 | 55.50 | 56.00 | 56.00 | 12.98 | 1,500 |   |  
            | 3/24/2010 | +0.50 / +0.88% | 57.00 | 57.00 | 56.00 | 57.00 | 57.00 | 13.21 | 17,440 |   |  			
            | 3/23/2010 | +1.50 / +2.73% | 56.00 | 57.00 | 56.00 | 56.50 | 56.50 | 13.09 | 34,640 |   |  
            | 3/22/2010 | -1.50 / -2.65% | 56.50 | 56.50 | 55.00 | 55.00 | 55.00 | 12.74 | 3,120 |   |  			
            | 3/19/2010 | 0.00 / 0.00% | 57.00 | 57.00 | 56.00 | 56.50 | 56.50 | 13.09 | 13,830 |   |  
            | 3/18/2010 | 0.00 / 0.00% | 54.00 | 57.00 | 54.00 | 56.50 | 56.50 | 13.09 | 21,020 |   |  			
            | 3/17/2010 | +1.00 / +1.80% | 56.00 | 56.50 | 56.00 | 56.50 | 56.50 | 13.09 | 67,730 |   |  
            | 3/16/2010 | -1.50 / -2.63% | 57.00 | 57.00 | 55.00 | 55.50 | 55.50 | 12.51 | 2,530 |   |  			
            | 3/15/2010 | +0.50 / +0.88% | 56.50 | 57.00 | 56.50 | 57.00 | 57.00 | 12.85 | 18,090 |   |  
            | 3/12/2010 | -0.50 / -0.88% | 56.50 | 56.50 | 56.00 | 56.50 | 56.50 | 12.74 | 11,830 |   |  |