| 
    
        
            | 
                    Closing price on 9/8/2011
                 |  |  
    
        |           
                
                    | Open | 54.00 |  
                    | High | 54.00 |  
                    | Low | 52.50 |  
                    | Volume | 24,660 |  
                    | Split-adjusted Price | 7.21 |  
                
             | 
 |  DPR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/8/2011 | -0.50 / -0.93% | 54.00 | 54.00 | 52.50 | 53.00 | 53.00 | 7.21 | 24,660 |   |  
            | 9/7/2011 | +0.50 / +0.94% | 52.50 | 53.50 | 52.50 | 53.50 | 53.50 | 7.28 | 8,340 |   |  			
            | 9/6/2011 | +0.50 / +0.95% | 53.00 | 53.00 | 53.00 | 53.00 | 53.00 | 7.21 | 10 |   |  
            | 9/5/2011 | -1.00 / -1.87% | 52.50 | 52.50 | 52.50 | 52.50 | 52.50 | 7.14 | 1,830 |   |  			
            | 9/1/2011 | -0.50 / -0.93% | 54.50 | 54.50 | 53.00 | 53.50 | 53.50 | 7.28 | 9,870 |   |  
            | 8/31/2011 | 0.00 / 0.00% | 52.50 | 54.00 | 52.50 | 54.00 | 54.00 | 7.34 | 1,110 |   |  			
            | 8/30/2011 | 0.00 / 0.00% | 52.50 | 54.00 | 52.00 | 54.00 | 54.00 | 7.34 | 4,450 |   |  
            | 8/29/2011 | +2.00 / +3.85% | 52.50 | 54.00 | 52.50 | 54.00 | 54.00 | 7.34 | 2,220 |   |  			
            | 8/26/2011 | -0.50 / -0.95% | 53.50 | 53.50 | 52.00 | 52.00 | 52.00 | 7.07 | 410 |   |  
            | 8/25/2011 | +0.50 / +0.96% | 53.50 | 53.50 | 52.00 | 52.50 | 52.50 | 7.14 | 950 |   |  			
            | 8/24/2011 | -0.50 / -0.95% | 52.00 | 52.00 | 52.00 | 52.00 | 52.00 | 7.07 | 1,500 |   |  
            | 8/23/2011 | -0.50 / -0.94% | 52.50 | 53.50 | 52.50 | 52.50 | 52.50 | 7.14 | 1,460 |   |  			
            | 8/22/2011 | +1.00 / +1.92% | 53.00 | 53.50 | 53.00 | 53.00 | 53.00 | 7.21 | 7,610 |   |  
            | 8/19/2011 | -1.50 / -2.80% | 52.50 | 52.50 | 52.00 | 52.00 | 52.00 | 7.07 | 5,700 |   |  			
            | 8/18/2011 | -1.50 / -2.73% | 53.50 | 53.50 | 53.00 | 53.50 | 53.50 | 7.28 | 8,290 |   |  
            | 8/17/2011 | +1.50 / +2.80% | 53.50 | 55.00 | 53.50 | 55.00 | 55.00 | 7.48 | 5,560 |   |  			
            | 8/16/2011 | 0.00 / 0.00% | 53.00 | 53.50 | 52.50 | 53.50 | 53.50 | 7.28 | 760 |   |  
            | 8/15/2011 | 0.00 / 0.00% | 53.50 | 53.50 | 53.50 | 53.50 | 53.50 | 7.28 | 1,500 |   |  			
            | 8/12/2011 | +2.50 / +4.90% | 51.00 | 53.50 | 49.50 | 53.50 | 53.50 | 7.28 | 110,310 |   |  
            | 8/11/2011 | -2.50 / -4.67% | 53.00 | 53.00 | 51.00 | 51.00 | 51.00 | 6.94 | 10,100 |   |  			
            | 8/10/2011 | +0.50 / +0.94% | 53.00 | 53.50 | 52.00 | 53.50 | 53.50 | 7.28 | 11,560 |   |  
            | 8/9/2011 | -1.50 / -2.75% | 52.00 | 53.00 | 52.00 | 53.00 | 53.00 | 7.21 | 2,210 |   |  			
            | 8/8/2011 | -0.50 / -0.91% | 54.50 | 54.50 | 52.50 | 54.50 | 54.50 | 7.41 | 91,350 |   |  
            | 8/5/2011 | +1.00 / +1.85% | 54.00 | 55.00 | 54.00 | 55.00 | 55.00 | 7.48 | 3,000 |   |  			
            | 8/4/2011 | 0.00 / 0.00% | 53.50 | 54.00 | 53.50 | 54.00 | 54.00 | 7.34 | 1,800 |   |  
            | 8/3/2011 | -0.50 / -0.92% | 52.50 | 54.00 | 52.50 | 54.00 | 54.00 | 7.34 | 220 |   |  			
            | 8/2/2011 | 0.00 / 0.00% | 54.50 | 54.50 | 54.50 | 54.50 | 54.50 | 7.41 | 1,000 |   |  
            | 8/1/2011 | 0.00 / 0.00% | 54.50 | 54.50 | 54.50 | 54.50 | 54.50 | 7.41 | 0 |   |  			
            | 7/29/2011 | 0.00 / 0.00% | 54.50 | 54.50 | 54.50 | 54.50 | 54.50 | 7.41 | 2,500 |   |  
            | 7/28/2011 | -0.50 / -0.91% | 55.00 | 55.00 | 54.00 | 54.50 | 54.50 | 7.41 | 12,730 |   |  |