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                    Closing price on 12/21/2010
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                    | Open | 35.70 |  
                    | High | 35.80 |  
                    | Low | 34.10 |  
                    | Volume | 20,790 |  
                    | Split-adjusted Price | 8.30 |  
                
             | 
 |  DCL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/21/2010 | +0.10 / +0.28% | 35.70 | 35.80 | 34.10 | 35.80 | 35.80 | 8.30 | 20,790 |   |  
            | 12/20/2010 | -0.20 / -0.56% | 36.00 | 36.20 | 35.00 | 35.70 | 35.70 | 8.27 | 6,280 |   |  			
            | 12/17/2010 | +0.30 / +0.84% | 35.60 | 36.50 | 34.30 | 35.90 | 35.90 | 8.32 | 4,860 |   |  
            | 12/16/2010 | -0.30 / -0.84% | 35.90 | 35.90 | 35.00 | 35.60 | 35.60 | 8.25 | 4,310 |   |  			
            | 12/15/2010 | +0.20 / +0.56% | 36.40 | 36.40 | 35.00 | 35.90 | 35.90 | 8.32 | 10,210 |   |  
            | 12/14/2010 | +0.20 / +0.56% | 36.50 | 36.50 | 33.80 | 35.70 | 35.70 | 8.27 | 43,420 |   |  			
            | 12/13/2010 | +0.30 / +0.85% | 36.10 | 36.20 | 35.40 | 35.50 | 35.50 | 8.23 | 43,610 |   |  
            | 12/10/2010 | -0.20 / -0.56% | 35.60 | 36.00 | 35.20 | 35.20 | 35.20 | 8.16 | 6,860 |   |  			
            | 12/9/2010 | 0.00 / 0.00% | 33.80 | 35.40 | 33.80 | 35.40 | 35.40 | 8.20 | 3,660 |   |  
            | 12/8/2010 | 0.00 / 0.00% | 33.80 | 35.40 | 33.70 | 35.40 | 35.40 | 8.20 | 22,650 |   |  			
            | 12/7/2010 | -0.60 / -1.67% | 36.00 | 36.00 | 34.20 | 35.40 | 35.40 | 8.20 | 19,810 |   |  
            | 12/6/2010 | +1.20 / +3.45% | 36.40 | 36.40 | 33.20 | 36.00 | 36.00 | 8.34 | 15,290 |   |  			
            | 12/3/2010 | +0.80 / +2.35% | 34.00 | 35.70 | 34.00 | 34.80 | 34.80 | 8.06 | 29,530 |   |  
            | 12/2/2010 | +1.00 / +3.03% | 33.10 | 34.00 | 33.10 | 34.00 | 34.00 | 7.88 | 5,130 |   |  			
            | 12/1/2010 | +0.40 / +1.23% | 32.60 | 33.00 | 32.60 | 33.00 | 33.00 | 7.65 | 5,260 |   |  
            | 11/30/2010 | +1.50 / +4.82% | 32.00 | 32.60 | 32.00 | 32.60 | 32.60 | 7.55 | 23,860 |   |  			
            | 11/29/2010 | -0.70 / -2.20% | 31.40 | 31.40 | 30.80 | 31.10 | 31.10 | 7.21 | 16,840 |   |  
            | 11/26/2010 | +0.40 / +1.27% | 31.20 | 32.90 | 31.20 | 31.80 | 31.80 | 7.37 | 18,510 |   |  			
            | 11/25/2010 | -1.60 / -4.85% | 32.50 | 34.00 | 31.40 | 31.40 | 31.40 | 7.28 | 23,510 |   |  
            | 11/24/2010 | -0.50 / -1.49% | 33.00 | 33.00 | 33.00 | 33.00 | 33.00 | 7.65 | 1,200 |   |  			
            | 11/23/2010 | 0.00 / 0.00% | 32.10 | 33.50 | 32.10 | 33.50 | 33.50 | 7.76 | 2,010 |   |  
            | 11/22/2010 | +0.80 / +2.45% | 33.00 | 33.50 | 31.10 | 33.50 | 33.50 | 7.76 | 5,420 |   |  			
            | 11/19/2010 | -1.50 / -4.39% | 33.00 | 35.80 | 32.70 | 32.70 | 32.70 | 7.58 | 6,600 |   |  
            | 11/18/2010 | +0.40 / +1.18% | 33.00 | 34.20 | 32.40 | 34.20 | 34.20 | 7.92 | 1,900 |   |  			
            | 11/17/2010 | +0.40 / +1.20% | 33.00 | 33.80 | 31.80 | 33.80 | 33.80 | 7.83 | 5,660 |   |  
            | 11/16/2010 | +0.40 / +1.21% | 31.50 | 33.40 | 31.50 | 33.40 | 33.40 | 7.74 | 10,010 |   |  			
            | 11/15/2010 | -0.40 / -1.20% | 35.00 | 35.00 | 33.00 | 33.00 | 33.00 | 7.65 | 5,600 |   |  
            | 11/12/2010 | -1.70 / -4.84% | 35.50 | 35.50 | 33.40 | 33.40 | 33.40 | 7.74 | 3,290 |   |  			
            | 11/11/2010 | +0.10 / +0.29% | 35.10 | 35.10 | 35.10 | 35.10 | 35.10 | 8.13 | 10 |   |  
            | 11/10/2010 | -0.10 / -0.28% | 35.10 | 35.10 | 35.00 | 35.00 | 35.00 | 8.11 | 2,060 |   |  |