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                    Closing price on 5/10/2012
                 |  |  
    
        |           
                
                    | Open | 58.00 |  
                    | High | 58.50 |  
                    | Low | 57.00 |  
                    | Volume | 205,970 |  
                    | Split-adjusted Price | 8.05 |  
                
             | 
 |  DPR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 4/9/2012 | +1.00 / +1.89% | 54.00 | 54.00 | 54.00 | 54.00 | 54.00 | 7.56 | 5,580 |   |  			
            | 4/6/2012 | 0.00 / 0.00% | 53.50 | 54.00 | 53.00 | 53.00 | 53.00 | 7.42 | 4,670 |   |  
            | 4/5/2012 | -0.50 / -0.93% | 53.50 | 54.00 | 53.00 | 53.00 | 53.00 | 7.42 | 8,700 |   |  			
            | 4/4/2012 | -0.50 / -0.93% | 54.00 | 54.00 | 53.50 | 53.50 | 53.50 | 7.49 | 13,500 |   |  
            | 4/3/2012 | -0.50 / -0.92% | 56.50 | 56.50 | 54.00 | 54.00 | 54.00 | 7.56 | 5,050 |   |  			
            | 3/30/2012 | +0.50 / +0.93% | 54.00 | 54.50 | 53.50 | 54.50 | 54.50 | 7.63 | 8,590 |   |  
            | 3/29/2012 | -0.50 / -0.92% | 55.00 | 55.00 | 53.00 | 54.00 | 54.00 | 7.56 | 19,450 |   |  			
            | 3/28/2012 | 0.00 / 0.00% | 54.50 | 54.50 | 54.50 | 54.50 | 54.50 | 7.63 | 1,000 |   |  
            | 3/27/2012 | +0.50 / +0.93% | 55.00 | 55.00 | 54.00 | 54.50 | 54.50 | 7.63 | 15,320 |   |  |