| 
    
        
            | 
                    Closing price on 3/6/2013
                 |  |  
    
        |           
                
                    | Open | 56.00 |  
                    | High | 56.50 |  
                    | Low | 54.00 |  
                    | Volume | 9,850 |  
                    | Split-adjusted Price | 8.73 |  
                
             | 
 |  DPR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/6/2013 | +0.50 / +0.89% | 56.00 | 56.50 | 54.00 | 56.50 | 56.50 | 8.73 | 9,850 |   |  
            | 3/5/2013 | +1.00 / +1.82% | 53.50 | 56.00 | 53.50 | 56.00 | 56.00 | 8.65 | 75,850 |   |  			
            | 3/4/2013 | +2.00 / +3.77% | 53.00 | 55.00 | 51.00 | 55.00 | 55.00 | 8.49 | 140,080 |   |  
            | 3/1/2013 | +1.00 / +1.92% | 52.00 | 53.00 | 51.00 | 53.00 | 53.00 | 8.19 | 42,350 |   |  			
            | 2/28/2013 | +2.50 / +5.05% | 50.00 | 52.00 | 50.00 | 52.00 | 52.00 | 8.03 | 111,150 |   |  
            | 2/27/2013 | +1.50 / +3.13% | 48.00 | 49.70 | 48.00 | 49.50 | 49.50 | 7.65 | 3,970 |   |  			
            | 2/26/2013 | -3.00 / -5.88% | 51.00 | 51.00 | 48.00 | 48.00 | 48.00 | 7.41 | 17,700 |   |  
            | 2/25/2013 | -1.00 / -1.92% | 51.00 | 51.00 | 50.00 | 51.00 | 51.00 | 7.88 | 17,700 |   |  			
            | 2/22/2013 | +0.50 / +0.97% | 51.50 | 52.00 | 50.50 | 52.00 | 52.00 | 8.03 | 15,510 |   |  
            | 2/21/2013 | -0.50 / -0.96% | 52.00 | 53.00 | 51.50 | 51.50 | 51.50 | 7.95 | 25,400 |   |  			
            | 2/20/2013 | +2.00 / +4.00% | 53.50 | 53.50 | 50.00 | 52.00 | 52.00 | 8.03 | 121,280 |   |  
            | 2/19/2013 | -1.00 / -1.96% | 50.50 | 52.00 | 50.00 | 50.00 | 50.00 | 7.72 | 11,880 |   |  			
            | 2/18/2013 | -1.50 / -2.86% | 52.50 | 52.50 | 50.00 | 51.00 | 51.00 | 7.88 | 7,460 |   |  
            | 2/8/2013 | 0.00 / 0.00% | 52.00 | 52.50 | 52.00 | 52.50 | 52.50 | 8.11 | 1,550 |   |  			
            | 2/7/2013 | 0.00 / 0.00% | 52.50 | 52.50 | 52.50 | 52.50 | 52.50 | 8.11 | 20 |   |  
            | 2/6/2013 | 0.00 / 0.00% | 52.50 | 52.50 | 52.50 | 52.50 | 52.50 | 8.11 | 1,110 |   |  			
            | 2/5/2013 | 0.00 / 0.00% | 52.50 | 52.50 | 50.50 | 52.50 | 52.50 | 8.11 | 3,310 |   |  
            | 2/4/2013 | 0.00 / 0.00% | 52.50 | 52.50 | 52.50 | 52.50 | 52.50 | 8.11 | 1,930 |   |  			
            | 2/1/2013 | -0.50 / -0.94% | 52.50 | 52.50 | 51.50 | 52.50 | 52.50 | 8.11 | 610 |   |  
            | 1/31/2013 | +1.50 / +2.91% | 51.50 | 53.00 | 51.00 | 53.00 | 53.00 | 8.19 | 100,830 |   |  			
            | 1/30/2013 | -2.00 / -3.74% | 51.50 | 51.50 | 51.50 | 51.50 | 51.50 | 7.95 | 100,010 |   |  
            | 1/29/2013 | +1.00 / +1.90% | 52.50 | 53.50 | 50.00 | 53.50 | 53.50 | 8.26 | 115,420 |   |  			
            | 1/28/2013 | -2.50 / -4.55% | 52.00 | 54.00 | 52.00 | 52.50 | 52.50 | 8.11 | 11,540 |   |  
            | 1/25/2013 | +2.50 / +4.76% | 50.50 | 55.00 | 50.00 | 55.00 | 55.00 | 8.49 | 105,390 |   |  			
            | 1/24/2013 | -2.50 / -4.55% | 51.50 | 54.50 | 51.50 | 52.50 | 52.50 | 8.11 | 5,590 |   |  
            | 1/23/2013 | +2.50 / +4.76% | 50.50 | 55.00 | 50.00 | 55.00 | 55.00 | 8.49 | 26,130 |   |  			
            | 1/22/2013 | -1.00 / -1.87% | 53.00 | 53.00 | 52.50 | 52.50 | 52.50 | 8.11 | 510 |   |  
            | 1/21/2013 | -3.00 / -5.31% | 53.00 | 57.00 | 53.00 | 53.50 | 53.50 | 8.26 | 1,610 |   |  			
            | 1/18/2013 | -1.50 / -2.59% | 60.00 | 60.00 | 54.00 | 56.50 | 56.50 | 8.73 | 1,470 |   |  
            | 1/17/2013 | 0.00 / 0.00% | 57.00 | 58.00 | 55.00 | 58.00 | 58.00 | 8.96 | 3,500 |   |  |