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                    Closing price on 5/23/2012
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        |           
                
                    | Open | 49.10 |  
                    | High | 50.50 |  
                    | Low | 48.00 |  
                    | Volume | 1,530 |  
                    | Split-adjusted Price | 7.20 |  
                
             | 
 |  DPR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/23/2012 | -0.50 / -0.99% | 49.10 | 50.50 | 48.00 | 50.00 | 50.00 | 7.20 | 1,530 |   |  
            | 5/22/2012 | 0.00 / 0.00% | 50.50 | 51.00 | 50.00 | 50.50 | 50.50 | 7.27 | 144,380 |   |  			
            | 5/21/2012 | +0.60 / +1.20% | 50.00 | 50.50 | 50.00 | 50.50 | 50.50 | 7.27 | 16,570 |   |  
            | 5/18/2012 | -2.60 / -4.95% | 52.50 | 52.50 | 49.90 | 49.90 | 49.90 | 7.18 | 7,930 |   |  			
            | 5/17/2012 | -1.50 / -2.78% | 53.00 | 53.50 | 52.50 | 52.50 | 52.50 | 7.56 | 6,830 |   |  
            | 5/16/2012 | 0.00 / 0.00% | 54.50 | 54.50 | 54.00 | 54.00 | 54.00 | 7.56 | 133,340 |   |  			
            | 5/15/2012 | -1.00 / -1.82% | 53.50 | 56.00 | 53.00 | 54.00 | 54.00 | 7.56 | 11,700 |   |  
            | 5/14/2012 | -2.50 / -4.35% | 57.50 | 57.50 | 55.00 | 55.00 | 55.00 | 7.70 | 11,990 |   |  			
            | 5/11/2012 | 0.00 / 0.00% | 58.00 | 58.00 | 57.00 | 57.50 | 57.50 | 8.05 | 8,020 |   |  
            | 5/10/2012 | -1.00 / -1.71% | 58.00 | 58.50 | 57.00 | 57.50 | 57.50 | 8.05 | 205,970 |   |  			
            | 5/9/2012 | -0.50 / -0.85% | 59.00 | 59.00 | 58.00 | 58.50 | 58.50 | 8.19 | 14,990 |   |  
            | 5/8/2012 | -0.50 / -0.84% | 61.50 | 61.50 | 59.00 | 59.00 | 59.00 | 8.26 | 59,540 |   |  			
            | 5/7/2012 | +2.50 / +4.39% | 59.50 | 59.50 | 59.00 | 59.50 | 59.50 | 8.33 | 73,950 |   |  
            | 5/4/2012 | +1.50 / +2.70% | 57.50 | 57.50 | 56.50 | 57.00 | 57.00 | 7.98 | 9,040 |   |  			
            | 5/3/2012 | -2.50 / -4.31% | 58.50 | 58.50 | 55.50 | 55.50 | 55.50 | 7.77 | 14,230 |   |  
            | 5/2/2012 | +1.50 / +2.65% | 58.00 | 58.50 | 57.00 | 58.00 | 58.00 | 8.12 | 24,910 |   |  			
            | 4/27/2012 | 0.00 / 0.00% | 56.00 | 56.50 | 55.50 | 56.50 | 56.50 | 7.91 | 6,850 |   |  
            | 4/26/2012 | 0.00 / 0.00% | 56.00 | 56.50 | 55.00 | 56.50 | 56.50 | 7.91 | 9,660 |   |  			
            | 4/25/2012 | +0.50 / +0.89% | 54.00 | 57.00 | 54.00 | 56.50 | 56.50 | 7.91 | 33,580 |   |  
            | 4/24/2012 | -0.50 / -0.88% | 56.00 | 56.00 | 55.50 | 56.00 | 56.00 | 7.84 | 5,300 |   |  			
            | 4/23/2012 | +0.50 / +0.89% | 57.00 | 57.00 | 55.00 | 56.50 | 56.50 | 7.91 | 6,150 |   |  
            | 4/20/2012 | +2.00 / +3.70% | 54.50 | 56.00 | 54.50 | 56.00 | 56.00 | 7.84 | 7,440 |   |  			
            | 4/19/2012 | 0.00 / 0.00% | 55.00 | 55.00 | 54.00 | 54.00 | 54.00 | 7.56 | 850 |   |  
            | 4/18/2012 | 0.00 / 0.00% | 54.50 | 54.50 | 54.00 | 54.00 | 54.00 | 7.56 | 580 |   |  			
            | 4/17/2012 | -1.00 / -1.82% | 55.00 | 55.00 | 54.00 | 54.00 | 54.00 | 7.56 | 15,610 |   |  
            | 4/16/2012 | 0.00 / 0.00% | 55.00 | 55.00 | 55.00 | 55.00 | 55.00 | 7.70 | 1,700 |   |  			
            | 4/13/2012 | -1.00 / -1.79% | 54.50 | 55.00 | 54.00 | 55.00 | 55.00 | 7.70 | 5,050 |   |  
            | 4/12/2012 | -0.50 / -0.88% | 56.50 | 56.50 | 54.00 | 56.00 | 56.00 | 7.84 | 57,230 |   |  			
            | 4/11/2012 | +2.00 / +3.67% | 54.00 | 56.50 | 53.50 | 56.50 | 56.50 | 7.91 | 18,800 |   |  
            | 4/10/2012 | +0.50 / +0.93% | 54.50 | 55.00 | 53.00 | 54.50 | 54.50 | 7.63 | 4,050 |   |  |