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                    Closing price on 2/28/2011
                 |  |  
    
        |           
                
                    | Open | 28.50 |  
                    | High | 29.80 |  
                    | Low | 28.50 |  
                    | Volume | 2,690 |  
                    | Split-adjusted Price | 7.10 |  
                
             | 
 |  DCL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/28/2011 | +1.30 / +4.56% | 28.50 | 29.80 | 28.50 | 29.80 | 29.80 | 7.10 | 2,690 |   |  
            | 2/25/2011 | 0.00 / 0.00% | 28.50 | 28.50 | 28.50 | 28.50 | 28.50 | 6.79 | 50 |   |  			
            | 2/24/2011 | -0.10 / -0.35% | 28.00 | 28.50 | 28.00 | 28.50 | 28.50 | 6.79 | 1,110 |   |  
            | 2/23/2011 | -0.20 / -0.69% | 28.80 | 28.80 | 28.60 | 28.60 | 28.60 | 6.82 | 2,760 |   |  			
            | 2/22/2011 | -1.10 / -3.68% | 29.30 | 29.30 | 28.60 | 28.80 | 28.80 | 6.87 | 3,400 |   |  
            | 2/21/2011 | -0.10 / -0.33% | 29.30 | 29.90 | 28.50 | 29.90 | 29.90 | 7.13 | 4,510 |   |  			
            | 2/18/2011 | -0.80 / -2.60% | 30.30 | 30.30 | 29.50 | 30.00 | 30.00 | 7.15 | 12,360 |   |  
            | 2/17/2011 | -0.20 / -0.65% | 30.90 | 30.90 | 30.00 | 30.80 | 30.80 | 7.34 | 4,360 |   |  			
            | 2/16/2011 | -0.10 / -0.32% | 31.20 | 31.20 | 31.00 | 31.00 | 31.00 | 7.39 | 4,870 |   |  
            | 2/15/2011 | -0.10 / -0.32% | 31.10 | 31.30 | 31.10 | 31.10 | 31.10 | 7.41 | 1,360 |   |  			
            | 2/14/2011 | -0.20 / -0.64% | 31.40 | 31.80 | 31.10 | 31.20 | 31.20 | 7.44 | 15,050 |   |  
            | 2/11/2011 | +0.10 / +0.32% | 31.30 | 31.40 | 31.20 | 31.40 | 31.40 | 7.49 | 1,520 |   |  			
            | 2/10/2011 | -0.10 / -0.32% | 31.30 | 31.40 | 31.30 | 31.30 | 31.30 | 7.46 | 1,700 |   |  
            | 2/9/2011 | -0.20 / -0.63% | 31.60 | 31.70 | 31.00 | 31.40 | 31.40 | 7.49 | 10,530 |   |  			
            | 2/8/2011 | 0.00 / 0.00% | 32.00 | 32.00 | 31.50 | 31.60 | 31.60 | 7.53 | 2,010 |   |  
            | 1/28/2011 | -0.20 / -0.63% | 31.80 | 31.80 | 31.50 | 31.60 | 31.60 | 7.53 | 13,320 |   |  			
            | 1/27/2011 | +0.80 / +2.58% | 31.20 | 31.80 | 31.10 | 31.80 | 31.80 | 7.58 | 6,520 |   |  
            | 1/26/2011 | 0.00 / 0.00% | 31.00 | 31.10 | 31.00 | 31.00 | 31.00 | 7.39 | 17,820 |   |  			
            | 1/25/2011 | -0.90 / -2.82% | 31.00 | 31.20 | 31.00 | 31.00 | 31.00 | 7.39 | 20,500 |   |  
            | 1/24/2011 | -0.80 / -2.45% | 32.70 | 32.70 | 31.70 | 31.90 | 31.90 | 7.60 | 4,350 |   |  			
            | 1/21/2011 | -0.70 / -2.10% | 33.20 | 33.40 | 32.70 | 32.70 | 32.70 | 7.79 | 4,090 |   |  
            | 1/20/2011 | -0.90 / -2.62% | 33.00 | 34.00 | 33.00 | 33.40 | 33.40 | 7.96 | 5,480 |   |  			
            | 1/19/2011 | -0.10 / -0.29% | 34.30 | 34.30 | 34.30 | 34.30 | 34.30 | 8.18 | 800 |   |  
            | 1/18/2011 | 0.00 / 0.00% | 34.40 | 34.40 | 34.00 | 34.40 | 34.40 | 8.20 | 6,760 |   |  			
            | 1/17/2011 | +0.40 / +1.18% | 34.10 | 34.50 | 34.10 | 34.40 | 34.40 | 8.20 | 10,250 |   |  
            | 1/14/2011 | -0.20 / -0.58% | 34.20 | 34.20 | 33.50 | 34.00 | 34.00 | 8.10 | 8,870 |   |  			
            | 1/13/2011 | 0.00 / 0.00% | 34.20 | 34.20 | 34.20 | 34.20 | 34.20 | 8.15 | 1,230 |   |  
            | 1/12/2011 | +0.60 / +1.79% | 34.50 | 34.50 | 33.60 | 34.20 | 34.20 | 8.15 | 2,100 |   |  			
            | 1/11/2011 | -1.30 / -3.72% | 34.90 | 34.90 | 33.60 | 33.60 | 33.60 | 8.01 | 1,590 |   |  
            | 1/10/2011 | +0.10 / +0.29% | 34.90 | 34.90 | 34.90 | 34.90 | 34.90 | 8.32 | 190 |   |  |