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            | 
                    Closing price on 3/31/2010
                 |  |  
    
        |           
                
                    | Open | 56.50 |  
                    | High | 56.50 |  
                    | Low | 55.00 |  
                    | Volume | 11,970 |  
                    | Split-adjusted Price | 12.98 |  
                
             | 
 |  DCL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 3/11/2010 | 0.00 / 0.00% | 58.00 | 58.00 | 56.50 | 57.00 | 57.00 | 12.85 | 5,480 |   |  
            | 3/10/2010 | +0.50 / +0.88% | 57.00 | 57.00 | 56.50 | 57.00 | 57.00 | 12.85 | 27,950 |   |  			
            | 3/9/2010 | 0.00 / 0.00% | 56.00 | 56.50 | 56.00 | 56.50 | 56.50 | 12.74 | 14,200 |   |  
            | 3/8/2010 | +1.50 / +2.73% | 57.50 | 57.50 | 56.00 | 56.50 | 56.50 | 12.74 | 30,720 |   |  			
            | 3/5/2010 | 0.00 / 0.00% | 56.50 | 56.50 | 55.00 | 55.00 | 55.00 | 12.40 | 16,430 |   |  
            | 3/4/2010 | -0.50 / -0.90% | 55.50 | 56.00 | 55.00 | 55.00 | 55.00 | 12.40 | 36,300 |   |  			
            | 3/3/2010 | 0.00 / 0.00% | 56.50 | 56.50 | 55.50 | 55.50 | 55.50 | 12.51 | 11,690 |   |  
            | 3/2/2010 | +1.50 / +2.78% | 54.00 | 55.50 | 54.00 | 55.50 | 55.50 | 12.51 | 21,260 |   |  			
            | 3/1/2010 | 0.00 / 0.00% | 55.50 | 55.50 | 54.00 | 54.00 | 54.00 | 12.17 | 15,770 |   |  
            | 2/26/2010 | +0.50 / +0.93% | 54.50 | 54.50 | 54.00 | 54.00 | 54.00 | 12.17 | 38,720 |   |  			
            | 2/25/2010 | -0.50 / -0.93% | 54.00 | 54.00 | 53.50 | 53.50 | 53.50 | 12.06 | 1,060 |   |  
            | 2/24/2010 | -1.00 / -1.82% | 55.00 | 55.00 | 54.00 | 54.00 | 54.00 | 12.17 | 7,280 |   |  			
            | 2/23/2010 | -2.50 / -4.35% | 56.00 | 56.00 | 55.00 | 55.00 | 55.00 | 12.40 | 5,100 |   |  
            | 2/22/2010 | +0.50 / +0.88% | 55.50 | 57.50 | 55.50 | 57.50 | 57.50 | 12.96 | 6,000 |   |  			
            | 2/12/2010 | +2.50 / +4.59% | 56.50 | 57.00 | 55.50 | 57.00 | 57.00 | 12.85 | 61,320 |   |  
            | 2/11/2010 | +1.50 / +2.83% | 54.50 | 54.50 | 54.50 | 54.50 | 54.50 | 12.29 | 1,310 |   |  |