| 
    
        
            | 
                    Closing price on 5/8/2013
                 |  |  
    
        |           
                
                    | Open | 56.00 |  
                    | High | 56.00 |  
                    | Low | 55.00 |  
                    | Volume | 2,160 |  
                    | Split-adjusted Price | 8.80 |  
                
             | 
 |  DPR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/8/2013 | +0.50 / +0.91% | 56.00 | 56.00 | 55.00 | 55.50 | 55.50 | 8.80 | 2,160 |   |  
            | 5/7/2013 | 0.00 / 0.00% | 54.50 | 55.00 | 54.50 | 55.00 | 55.00 | 8.72 | 710 |   |  			
            | 5/6/2013 | 0.00 / 0.00% | 53.00 | 56.00 | 52.50 | 55.00 | 55.00 | 8.72 | 10,420 |   |  
            | 5/3/2013 | -1.00 / -1.79% | 52.50 | 55.00 | 52.50 | 55.00 | 55.00 | 8.72 | 410 |   |  			
            | 5/2/2013 | -0.50 / -0.88% | 56.00 | 56.00 | 56.00 | 56.00 | 56.00 | 8.88 | 200 |   |  
            | 4/26/2013 | +0.50 / +0.89% | 56.00 | 56.50 | 56.00 | 56.50 | 56.50 | 8.96 | 100 |   |  			
            | 4/25/2013 | +0.50 / +0.90% | 54.50 | 56.00 | 54.50 | 56.00 | 56.00 | 8.88 | 310 |   |  
            | 4/24/2013 | +0.50 / +0.91% | 55.00 | 55.50 | 55.00 | 55.50 | 55.50 | 8.80 | 1,700 |   |  			
            | 4/23/2013 | -1.50 / -2.65% | 53.50 | 56.50 | 53.50 | 55.00 | 55.00 | 8.72 | 4,120 |   |  
            | 4/22/2013 | -1.50 / -2.59% | 53.50 | 56.50 | 53.50 | 56.50 | 56.50 | 8.96 | 860 |   |  			
            | 4/18/2013 | 0.00 / 0.00% | 57.00 | 58.00 | 56.50 | 58.00 | 58.00 | 8.96 | 1,580 |   |  
            | 4/17/2013 | +0.50 / +0.87% | 58.00 | 58.00 | 56.50 | 58.00 | 58.00 | 8.96 | 130 |   |  			
            | 4/16/2013 | 0.00 / 0.00% | 57.00 | 57.50 | 56.50 | 57.50 | 57.50 | 8.88 | 5,210 |   |  
            | 4/15/2013 | -0.50 / -0.86% | 57.50 | 57.50 | 57.50 | 57.50 | 57.50 | 8.88 | 1,610 |   |  			
            | 4/12/2013 | +0.50 / +0.87% | 57.50 | 58.50 | 57.50 | 58.00 | 58.00 | 8.96 | 78,090 |   |  
            | 4/11/2013 | 0.00 / 0.00% | 57.50 | 58.00 | 56.50 | 57.50 | 57.50 | 8.88 | 14,440 |   |  			
            | 4/10/2013 | +0.50 / +0.88% | 57.50 | 58.50 | 57.50 | 57.50 | 57.50 | 8.88 | 8,960 |   |  
            | 4/9/2013 | -1.50 / -2.56% | 58.00 | 58.00 | 57.00 | 57.00 | 57.00 | 8.80 | 1,200 |   |  			
            | 4/8/2013 | 0.00 / 0.00% | 58.50 | 58.50 | 57.00 | 58.50 | 58.50 | 9.04 | 4,500 |   |  
            | 4/5/2013 | 0.00 / 0.00% | 57.50 | 58.50 | 57.50 | 58.50 | 58.50 | 9.04 | 1,240 |   |  			
            | 4/4/2013 | 0.00 / 0.00% | 57.50 | 58.50 | 57.50 | 58.50 | 58.50 | 9.04 | 2,720 |   |  
            | 4/3/2013 | 0.00 / 0.00% | 59.00 | 59.00 | 58.50 | 58.50 | 58.50 | 9.04 | 2,850 |   |  			
            | 4/2/2013 | +1.50 / +2.63% | 58.50 | 60.00 | 58.00 | 58.50 | 58.50 | 9.04 | 4,750 |   |  
            | 4/1/2013 | +0.50 / +0.88% | 56.50 | 57.50 | 56.50 | 57.00 | 57.00 | 8.80 | 6,400 |   |  			
            | 3/29/2013 | 0.00 / 0.00% | 56.50 | 56.50 | 56.00 | 56.50 | 56.50 | 8.73 | 5,730 |   |  
            | 3/28/2013 | -1.00 / -1.74% | 57.00 | 57.00 | 56.50 | 56.50 | 56.50 | 8.73 | 7,100 |   |  			
            | 3/27/2013 | +1.00 / +1.77% | 56.50 | 57.50 | 56.50 | 57.50 | 57.50 | 8.88 | 710 |   |  
            | 3/26/2013 | -1.00 / -1.74% | 56.50 | 57.00 | 56.50 | 56.50 | 56.50 | 8.73 | 3,200 |   |  			
            | 3/25/2013 | 0.00 / 0.00% | 58.00 | 58.00 | 57.00 | 57.50 | 57.50 | 8.88 | 5,970 |   |  
            | 3/22/2013 | +0.50 / +0.88% | 57.00 | 57.50 | 56.50 | 57.50 | 57.50 | 8.88 | 8,940 |   |  |