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                    Closing price on 7/1/2011
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                    | Open | 12.10 |  
                    | High | 12.50 |  
                    | Low | 12.10 |  
                    | Volume | 600 |  
                    | Split-adjusted Price | 7.83 |  
                
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 |  DPC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/1/2011 | +0.80 / +6.84% | 12.10 | 12.50 | 12.10 | 12.50 | 12.50 | 7.83 | 600 |   |  
            | 6/30/2011 | -0.80 / -6.40% | 11.80 | 11.80 | 11.70 | 11.70 | 11.70 | 7.33 | 400 |   |  			
            | 6/29/2011 | -0.70 / -5.30% | 12.50 | 12.50 | 12.50 | 12.50 | 12.50 | 7.83 | 500 |   |  
            | 6/28/2011 | +0.40 / +3.13% | 12.80 | 13.20 | 12.80 | 13.20 | 13.20 | 8.27 | 2,600 |   |  			
            | 6/27/2011 | +0.30 / +2.40% | 12.80 | 12.80 | 12.80 | 12.80 | 12.80 | 8.02 | 500 |   |  
            | 6/24/2011 | +0.60 / +5.04% | 12.40 | 12.50 | 12.30 | 12.50 | 12.50 | 7.83 | 1,600 |   |  			
            | 6/23/2011 | 0.00 / 0.00% | 11.90 | 11.90 | 11.90 | 11.90 | 11.90 | 7.46 | 0 |   |  
            | 6/22/2011 | +0.70 / +6.25% | 11.90 | 11.90 | 11.90 | 11.90 | 11.90 | 7.46 | 3,000 |   |  			
            | 6/21/2011 | +0.70 / +6.67% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 7.02 | 2,700 |   |  
            | 6/20/2011 | -0.50 / -4.55% | 10.50 | 10.50 | 10.50 | 10.50 | 10.50 | 6.58 | 1,800 |   |  			
            | 6/17/2011 | -0.70 / -5.98% | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 6.89 | 100 |   |  
            | 6/16/2011 | -0.80 / -6.40% | 11.70 | 11.70 | 11.70 | 11.70 | 11.70 | 7.33 | 100 |   |  			
            | 6/15/2011 | 0.00 / 0.00% | 12.50 | 12.50 | 12.50 | 12.50 | 12.50 | 7.83 | 0 |   |  
            | 6/14/2011 | -0.80 / -6.02% | 12.50 | 12.50 | 12.50 | 12.50 | 12.50 | 7.83 | 100 |   |  			
            | 6/13/2011 | -0.90 / -6.34% | 13.30 | 13.30 | 13.30 | 13.30 | 13.30 | 8.33 | 100 |   |  
            | 6/10/2011 | 0.00 / 0.00% | 14.20 | 14.20 | 14.20 | 14.20 | 14.20 | 8.90 | 0 |   |  			
            | 6/9/2011 | +0.20 / +1.43% | 14.20 | 14.20 | 14.20 | 14.20 | 14.20 | 8.90 | 100 |   |  
            | 6/8/2011 | 0.00 / 0.00% | 14.00 | 14.00 | 14.00 | 14.00 | 14.00 | 8.77 | 0 |   |  			
            | 6/7/2011 | +0.60 / +4.48% | 14.00 | 14.00 | 14.00 | 14.00 | 14.00 | 8.77 | 100 |   |  
            | 6/6/2011 | 0.00 / 0.00% | 13.40 | 13.40 | 13.40 | 13.40 | 13.40 | 8.40 | 0 |   |  			
            | 6/3/2011 | +0.60 / +4.69% | 13.40 | 13.40 | 13.40 | 13.40 | 13.40 | 8.40 | 600 |   |  
            | 6/2/2011 | +0.80 / +6.67% | 12.80 | 12.80 | 12.80 | 12.80 | 12.80 | 8.02 | 100 |   |  			
            | 6/1/2011 | +0.50 / +4.35% | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 7.52 | 100 |   |  
            | 5/31/2011 | +0.40 / +3.60% | 11.20 | 11.50 | 11.20 | 11.50 | 11.50 | 7.21 | 3,900 |   |  			
            | 5/30/2011 | 0.00 / 0.00% | 11.10 | 11.10 | 11.10 | 11.10 | 11.10 | 6.95 | 0 |   |  
            | 5/27/2011 | +0.70 / +6.73% | 11.10 | 11.10 | 11.10 | 11.10 | 11.10 | 6.95 | 3,000 |   |  			
            | 5/26/2011 | -0.50 / -4.59% | 10.40 | 10.40 | 10.40 | 10.40 | 10.40 | 6.52 | 500 |   |  
            | 5/25/2011 | -0.60 / -5.22% | 11.10 | 11.10 | 10.90 | 10.90 | 10.90 | 6.83 | 2,700 |   |  			
            | 5/24/2011 | -0.50 / -4.17% | 12.00 | 12.00 | 11.30 | 11.50 | 11.50 | 7.21 | 5,900 |   |  
            | 5/23/2011 | -0.50 / -4.00% | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 7.52 | 1,900 |   |  |