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                    Closing price on 6/9/2010
                 |  |  
    
        |           
                
                    | Open | 58.50 |  
                    | High | 58.50 |  
                    | Low | 58.50 |  
                    | Volume | 6,830 |  
                    | Split-adjusted Price | 7.50 |  
                
             | 
 |  DPR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/9/2010 | 0.00 / 0.00% | 58.50 | 58.50 | 58.50 | 58.50 | 58.50 | 7.50 | 6,830 |   |  
            | 6/8/2010 | -0.50 / -0.85% | 58.00 | 59.00 | 57.50 | 58.50 | 58.50 | 7.50 | 13,710 |   |  			
            | 6/7/2010 | -2.50 / -4.07% | 60.00 | 60.00 | 58.50 | 59.00 | 59.00 | 7.56 | 18,000 |   |  
            | 6/4/2010 | +0.50 / +0.82% | 61.00 | 61.50 | 61.00 | 61.50 | 61.50 | 7.88 | 2,300 |   |  			
            | 6/3/2010 | -1.00 / -1.61% | 63.50 | 63.50 | 61.00 | 61.00 | 61.00 | 7.82 | 220 |   |  
            | 6/2/2010 | +0.50 / +0.81% | 63.50 | 63.50 | 61.50 | 62.00 | 62.00 | 7.95 | 4,130 |   |  			
            | 6/1/2010 | 0.00 / 0.00% | 61.50 | 61.50 | 61.50 | 61.50 | 61.50 | 7.88 | 2,620 |   |  
            | 5/31/2010 | -2.00 / -3.15% | 60.50 | 61.50 | 60.50 | 61.50 | 61.50 | 7.88 | 3,370 |   |  			
            | 5/28/2010 | +1.00 / +1.60% | 65.00 | 65.00 | 63.50 | 63.50 | 63.50 | 8.14 | 3,030 |   |  
            | 5/27/2010 | -1.00 / -1.57% | 61.50 | 62.50 | 61.50 | 62.50 | 62.50 | 8.01 | 5,430 |   |  			
            | 5/26/2010 | +2.50 / +4.10% | 63.00 | 63.50 | 62.50 | 63.50 | 63.50 | 8.14 | 11,300 |   |  
            | 5/25/2010 | +2.50 / +4.27% | 60.00 | 61.00 | 60.00 | 61.00 | 61.00 | 7.82 | 54,520 |   |  			
            | 5/24/2010 | +2.50 / +4.46% | 58.50 | 58.50 | 58.00 | 58.50 | 58.50 | 7.50 | 24,010 |   |  
            | 5/21/2010 | -2.00 / -3.45% | 56.00 | 57.00 | 56.00 | 56.00 | 56.00 | 7.18 | 55,230 |   |  			
            | 5/20/2010 | 0.00 / 0.00% | 56.00 | 58.00 | 56.00 | 58.00 | 58.00 | 7.43 | 13,540 |   |  
            | 5/19/2010 | -2.00 / -3.33% | 60.00 | 60.00 | 58.00 | 58.00 | 58.00 | 7.43 | 26,790 |   |  			
            | 5/18/2010 | -0.50 / -0.83% | 59.00 | 60.00 | 59.00 | 60.00 | 60.00 | 7.69 | 17,430 |   |  
            | 5/17/2010 | -1.50 / -2.42% | 62.00 | 62.00 | 60.00 | 60.50 | 60.50 | 7.76 | 7,100 |   |  			
            | 5/14/2010 | +0.50 / +0.81% | 61.50 | 62.50 | 61.50 | 62.00 | 62.00 | 7.95 | 23,150 |   |  
            | 5/13/2010 | -0.50 / -0.81% | 62.00 | 63.00 | 61.50 | 61.50 | 61.50 | 7.88 | 6,470 |   |  			
            | 5/12/2010 | -1.50 / -2.36% | 63.50 | 63.50 | 62.00 | 62.00 | 62.00 | 7.95 | 78,850 |   |  
            | 5/11/2010 | +1.00 / +1.60% | 63.50 | 64.00 | 63.00 | 63.50 | 63.50 | 8.14 | 14,280 |   |  			
            | 5/10/2010 | -1.00 / -1.57% | 63.50 | 63.50 | 62.50 | 62.50 | 62.50 | 8.01 | 31,370 |   |  
            | 5/7/2010 | -2.50 / -3.79% | 65.50 | 65.50 | 63.50 | 63.50 | 63.50 | 8.14 | 24,160 |   |  			
            | 5/6/2010 | 0.00 / 0.00% | 65.50 | 66.50 | 65.50 | 66.00 | 66.00 | 8.46 | 21,940 |   |  
            | 5/5/2010 | 0.00 / 0.00% | 66.00 | 66.00 | 64.00 | 66.00 | 66.00 | 8.46 | 55,430 |   |  			
            | 5/4/2010 | -0.50 / -0.75% | 66.50 | 67.00 | 66.00 | 66.00 | 66.00 | 8.46 | 34,200 |   |  
            | 4/29/2010 | -0.50 / -0.75% | 65.00 | 66.50 | 65.00 | 66.50 | 66.50 | 8.52 | 44,330 |   |  			
            | 4/28/2010 | 0.00 / 0.00% | 67.00 | 67.00 | 66.50 | 67.00 | 67.00 | 8.59 | 57,010 |   |  
            | 4/27/2010 | 0.00 / 0.00% | 67.00 | 68.00 | 67.00 | 67.00 | 67.00 | 8.59 | 46,500 |   |  |