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                    Closing price on 4/27/2011
                 |  |  
    
        |           
                
                    | Open | 13.90 |  
                    | High | 13.90 |  
                    | Low | 13.80 |  
                    | Volume | 4,500 |  
                    | Split-adjusted Price | 7.72 |  
                
             | 
 |  DPC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/27/2011 | -0.60 / -4.17% | 13.90 | 13.90 | 13.80 | 13.80 | 13.80 | 7.72 | 4,500 |   |  
            | 4/26/2011 | +0.10 / +0.70% | 13.80 | 14.40 | 13.80 | 14.40 | 14.40 | 8.06 | 23,100 |   |  			
            | 4/25/2011 | -0.20 / -1.38% | 14.30 | 14.30 | 14.30 | 14.30 | 14.30 | 8.00 | 0 |   |  
            | 4/22/2011 | -0.30 / -2.03% | 14.50 | 14.50 | 14.10 | 14.50 | 14.50 | 8.11 | 1,800 |   |  			
            | 4/21/2011 | 0.00 / 0.00% | 14.80 | 14.80 | 14.80 | 14.80 | 14.80 | 8.28 | 0 |   |  
            | 4/20/2011 | 0.00 / 0.00% | 14.90 | 15.20 | 14.80 | 14.80 | 14.80 | 8.28 | 3,700 |   |  			
            | 4/19/2011 | +0.30 / +2.07% | 14.80 | 14.80 | 14.80 | 14.80 | 14.80 | 8.28 | 1,000 |   |  
            | 4/18/2011 | -1.00 / -6.45% | 14.50 | 14.50 | 14.50 | 14.50 | 14.50 | 8.11 | 500 |   |  			
            | 4/15/2011 | +0.40 / +2.65% | 15.00 | 15.50 | 15.00 | 15.50 | 15.50 | 8.67 | 900 |   |  
            | 4/14/2011 | +0.20 / +1.34% | 15.10 | 15.10 | 15.00 | 15.10 | 15.10 | 8.45 | 2,300 |   |  			
            | 4/13/2011 | -0.10 / -0.67% | 15.30 | 15.30 | 14.90 | 14.90 | 14.90 | 8.34 | 2,100 |   |  
            | 4/8/2011 | 0.00 / 0.00% | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 8.39 | 1,000 |   |  			
            | 4/7/2011 | -0.80 / -5.06% | 15.20 | 15.20 | 15.00 | 15.00 | 15.00 | 8.39 | 1,000 |   |  
            | 4/6/2011 | 0.00 / 0.00% | 15.80 | 15.80 | 15.80 | 15.80 | 15.80 | 8.84 | 0 |   |  			
            | 4/5/2011 | 0.00 / 0.00% | 15.80 | 15.80 | 15.80 | 15.80 | 15.80 | 8.84 | 0 |   |  
            | 4/4/2011 | +0.10 / +0.64% | 15.80 | 15.80 | 15.80 | 15.80 | 15.80 | 8.84 | 100 |   |  			
            | 4/1/2011 | +0.10 / +0.64% | 15.70 | 15.70 | 15.70 | 15.70 | 15.70 | 8.78 | 100 |   |  
            | 3/31/2011 | 0.00 / 0.00% | 15.60 | 15.60 | 15.60 | 15.60 | 15.60 | 8.73 | 0 |   |  			
            | 3/30/2011 | -0.30 / -1.89% | 15.60 | 15.60 | 15.60 | 15.60 | 15.60 | 8.73 | 0 |   |  
            | 3/29/2011 | 0.00 / 0.00% | 15.50 | 15.90 | 15.50 | 15.90 | 15.90 | 8.90 | 1,200 |   |  			
            | 3/28/2011 | +0.10 / +0.63% | 15.90 | 15.90 | 15.90 | 15.90 | 15.90 | 8.90 | 100 |   |  
            | 3/25/2011 | +0.10 / +0.64% | 15.30 | 15.80 | 14.90 | 15.80 | 15.80 | 8.84 | 2,500 |   |  			
            | 3/24/2011 | -0.20 / -1.26% | 15.00 | 16.00 | 15.00 | 15.70 | 15.70 | 8.78 | 1,700 |   |  
            | 3/23/2011 | 0.00 / 0.00% | 15.90 | 15.90 | 15.90 | 15.90 | 15.90 | 8.90 | 0 |   |  			
            | 3/22/2011 | +0.30 / +1.92% | 15.90 | 15.90 | 15.90 | 15.90 | 15.90 | 8.90 | 200 |   |  
            | 3/21/2011 | -0.60 / -3.70% | 15.30 | 15.90 | 15.30 | 15.60 | 15.60 | 8.73 | 3,200 |   |  			
            | 3/18/2011 | +0.10 / +0.62% | 15.90 | 16.30 | 15.50 | 16.20 | 16.20 | 9.06 | 4,000 |   |  
            | 3/17/2011 | +0.20 / +1.26% | 15.10 | 16.40 | 15.00 | 16.10 | 16.10 | 9.01 | 2,500 |   |  			
            | 3/16/2011 | +0.30 / +1.92% | 15.90 | 15.90 | 15.90 | 15.90 | 15.90 | 8.90 | 0 |   |  
            | 3/15/2011 | -0.20 / -1.27% | 16.50 | 16.70 | 15.60 | 15.60 | 15.60 | 8.73 | 1,300 |   |  |