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                    Closing price on 2/9/2009
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        |           
                
                    | Open | 32.00 |  
                    | High | 32.40 |  
                    | Low | 31.50 |  
                    | Volume | 173,880 |  
                    | Split-adjusted Price | 4.12 |  
                
             | 
 |  DPM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/9/2009 | +1.40 / +4.52% | 32.00 | 32.40 | 31.50 | 32.40 | 32.40 | 4.12 | 173,880 |   |  
            | 2/6/2009 | +0.50 / +1.64% | 30.70 | 31.20 | 30.60 | 31.00 | 31.00 | 3.94 | 235,700 |   |  			
            | 2/5/2009 | -1.00 / -3.17% | 31.70 | 31.70 | 30.50 | 30.50 | 30.50 | 3.88 | 260,330 |   |  
            | 2/4/2009 | -0.20 / -0.63% | 31.70 | 32.10 | 31.40 | 31.50 | 31.50 | 4.00 | 233,550 |   |  			
            | 2/3/2009 | -1.30 / -3.94% | 31.70 | 32.00 | 31.70 | 31.70 | 31.70 | 4.03 | 481,640 |   |  
            | 2/2/2009 | -1.20 / -3.51% | 33.80 | 34.00 | 33.00 | 33.00 | 33.00 | 4.19 | 98,420 |   |  			
            | 1/23/2009 | +0.10 / +0.29% | 33.90 | 34.20 | 33.90 | 34.20 | 34.20 | 4.35 | 63,130 |   |  
            | 1/22/2009 | +0.70 / +2.10% | 34.00 | 34.30 | 34.00 | 34.10 | 34.10 | 4.33 | 101,950 |   |  			
            | 1/21/2009 | -0.20 / -0.60% | 33.40 | 33.80 | 33.40 | 33.40 | 33.40 | 4.25 | 182,200 |   |  
            | 1/20/2009 | -0.50 / -1.47% | 33.70 | 34.10 | 33.60 | 33.60 | 33.60 | 4.27 | 123,260 |   |  			
            | 1/19/2009 | -0.30 / -0.87% | 34.40 | 34.40 | 34.10 | 34.10 | 34.10 | 4.33 | 78,950 |   |  
            | 1/16/2009 | +0.20 / +0.58% | 34.20 | 34.80 | 34.20 | 34.40 | 34.40 | 4.37 | 237,880 |   |  			
            | 1/15/2009 | 0.00 / 0.00% | 34.00 | 34.40 | 33.90 | 34.20 | 34.20 | 4.35 | 157,100 |   |  
            | 1/14/2009 | -0.60 / -1.72% | 34.30 | 35.00 | 34.20 | 34.20 | 34.20 | 4.35 | 389,320 |   |  			
            | 1/13/2009 | -0.50 / -1.42% | 35.10 | 35.20 | 34.70 | 34.80 | 34.80 | 4.42 | 191,100 |   |  
            | 1/12/2009 | -0.10 / -0.28% | 35.40 | 35.50 | 35.30 | 35.30 | 35.30 | 4.49 | 169,110 |   |  			
            | 1/9/2009 | 0.00 / 0.00% | 35.20 | 35.50 | 35.20 | 35.40 | 35.40 | 4.50 | 249,150 |   |  
            | 1/8/2009 | -1.00 / -2.75% | 35.50 | 36.30 | 35.30 | 35.40 | 35.40 | 4.50 | 596,530 |   |  			
            | 1/7/2009 | +1.10 / +3.12% | 36.00 | 36.80 | 36.00 | 36.40 | 36.40 | 4.63 | 639,310 |   |  
            | 1/6/2009 | +0.80 / +2.32% | 35.20 | 35.50 | 35.00 | 35.30 | 35.30 | 4.49 | 479,410 |   |  			
            | 1/5/2009 | 0.00 / 0.00% | 34.90 | 34.90 | 34.50 | 34.50 | 34.50 | 4.39 | 271,220 |   |  
            | 1/2/2009 | 0.00 / 0.00% | 34.50 | 34.60 | 34.40 | 34.50 | 34.50 | 4.39 | 100,390 |   |  			
            | 12/31/2008 | -1.50 / -4.17% | 36.00 | 36.30 | 34.50 | 34.50 | 34.50 | 4.39 | 354,930 |   |  
            | 12/30/2008 | +0.50 / +1.41% | 35.50 | 36.30 | 35.50 | 36.00 | 36.00 | 4.58 | 525,000 |   |  			
            | 12/29/2008 | +1.10 / +3.20% | 34.50 | 35.50 | 34.50 | 35.50 | 35.50 | 4.51 | 577,640 |   |  
            | 12/26/2008 | +0.10 / +0.29% | 34.00 | 34.80 | 34.00 | 34.40 | 34.40 | 4.37 | 228,180 |   |  			
            | 12/25/2008 | -0.10 / -0.29% | 34.60 | 35.00 | 34.30 | 34.30 | 34.30 | 4.36 | 258,590 |   |  
            | 12/24/2008 | -0.60 / -1.71% | 33.50 | 34.50 | 33.50 | 34.40 | 34.40 | 4.37 | 215,590 |   |  			
            | 12/23/2008 | -1.80 / -4.89% | 35.20 | 35.50 | 35.00 | 35.00 | 35.00 | 4.45 | 470,970 |   |  
            | 12/22/2008 | -0.20 / -0.54% | 37.80 | 37.80 | 36.80 | 36.80 | 36.80 | 4.68 | 425,660 |   |  |