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                    Closing price on 3/1/2011
                 |  |  
    
        |           
                
                    | Open | 17.20 |  
                    | High | 17.20 |  
                    | Low | 17.20 |  
                    | Volume | 100 |  
                    | Split-adjusted Price | 9.62 |  
                
             | 
 |  DPC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/1/2011 | +0.10 / +0.58% | 17.20 | 17.20 | 17.20 | 17.20 | 17.20 | 9.62 | 100 |   |  
            | 2/28/2011 | +1.10 / +6.88% | 17.00 | 17.10 | 15.80 | 17.10 | 17.10 | 9.57 | 1,500 |   |  			
            | 2/25/2011 | +1.00 / +6.67% | 16.00 | 16.00 | 16.00 | 16.00 | 16.00 | 8.95 | 100 |   |  
            | 2/24/2011 | -0.50 / -3.23% | 15.00 | 15.00 | 14.90 | 15.00 | 15.00 | 8.39 | 13,000 |   |  			
            | 2/23/2011 | +0.40 / +2.65% | 15.50 | 15.50 | 15.50 | 15.50 | 15.50 | 8.67 | 0 |   |  
            | 2/22/2011 | -1.40 / -8.48% | 15.10 | 15.80 | 15.10 | 15.10 | 15.10 | 8.45 | 5,400 |   |  			
            | 2/21/2011 | +0.40 / +2.48% | 15.70 | 16.50 | 15.50 | 16.50 | 16.50 | 9.23 | 4,300 |   |  
            | 2/18/2011 | -0.90 / -5.29% | 16.70 | 16.70 | 16.10 | 16.10 | 16.10 | 9.01 | 3,200 |   |  			
            | 2/17/2011 | 0.00 / 0.00% | 17.00 | 17.00 | 17.00 | 17.00 | 17.00 | 9.51 | 0 |   |  
            | 2/16/2011 | -0.40 / -2.30% | 17.10 | 17.10 | 17.00 | 17.00 | 17.00 | 9.51 | 2,700 |   |  			
            | 2/15/2011 | +0.10 / +0.58% | 17.40 | 17.40 | 17.40 | 17.40 | 17.40 | 9.73 | 0 |   |  
            | 2/14/2011 | -0.10 / -0.57% | 17.40 | 17.40 | 17.30 | 17.30 | 17.30 | 9.68 | 1,000 |   |  			
            | 2/11/2011 | 0.00 / 0.00% | 17.40 | 17.40 | 17.40 | 17.40 | 17.40 | 9.73 | 800 |   |  
            | 2/10/2011 | 0.00 / 0.00% | 17.40 | 17.40 | 17.40 | 17.40 | 17.40 | 9.73 | 200 |   |  			
            | 2/9/2011 | +0.10 / +0.58% | 17.40 | 17.40 | 17.40 | 17.40 | 17.40 | 9.73 | 100 |   |  
            | 2/8/2011 | -0.70 / -3.89% | 17.30 | 17.30 | 17.30 | 17.30 | 17.30 | 9.68 | 700 |   |  			
            | 1/28/2011 | 0.00 / 0.00% | 18.00 | 18.00 | 18.00 | 18.00 | 18.00 | 10.07 | 100 |   |  
            | 1/27/2011 | +0.50 / +2.86% | 18.00 | 18.00 | 18.00 | 18.00 | 18.00 | 10.07 | 200 |   |  			
            | 1/26/2011 | -0.10 / -0.57% | 17.50 | 17.50 | 17.50 | 17.50 | 17.50 | 9.79 | 0 |   |  
            | 1/25/2011 | 0.00 / 0.00% | 17.50 | 17.60 | 17.50 | 17.60 | 17.60 | 9.85 | 300 |   |  			
            | 1/24/2011 | 0.00 / 0.00% | 17.60 | 17.60 | 17.60 | 17.60 | 17.60 | 9.85 | 0 |   |  
            | 1/21/2011 | +0.20 / +1.15% | 17.50 | 18.00 | 17.40 | 17.60 | 17.60 | 9.85 | 7,600 |   |  			
            | 1/20/2011 | +0.10 / +0.58% | 17.50 | 17.60 | 17.40 | 17.40 | 17.40 | 9.73 | 7,600 |   |  
            | 1/19/2011 | 0.00 / 0.00% | 17.60 | 17.60 | 17.30 | 17.30 | 17.30 | 9.68 | 4,600 |   |  			
            | 1/18/2011 | -0.30 / -1.70% | 17.60 | 17.60 | 17.30 | 17.30 | 17.30 | 9.68 | 3,100 |   |  
            | 1/17/2011 | +0.10 / +0.57% | 17.50 | 17.60 | 17.40 | 17.60 | 17.60 | 9.85 | 5,500 |   |  			
            | 1/14/2011 | -0.10 / -0.57% | 17.60 | 17.60 | 17.50 | 17.50 | 17.50 | 9.79 | 7,600 |   |  
            | 1/13/2011 | +0.60 / +3.53% | 17.60 | 17.60 | 17.60 | 17.60 | 17.60 | 9.85 | 200 |   |  			
            | 1/12/2011 | -0.30 / -1.73% | 17.00 | 17.00 | 17.00 | 17.00 | 17.00 | 9.51 | 500 |   |  
            | 1/11/2011 | -0.10 / -0.57% | 17.30 | 17.30 | 17.30 | 17.30 | 17.30 | 9.68 | 1,000 |   |  |