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            | 
                    Closing price on 4/28/2008
                 |  |  
    
        |           
                
                    | Open | 55.00 |  
                    | High | 55.50 |  
                    | Low | 55.00 |  
                    | Volume | 224,640 |  
                    | Split-adjusted Price | 6.33 |  
                
             | 
 |  DPR Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/28/2008 | +1.00 / +1.83% | 55.00 | 55.50 | 55.00 | 55.50 | 55.50 | 6.33 | 224,640 |   |  
            | 4/25/2008 | +1.00 / +1.87% | 54.00 | 54.50 | 53.50 | 54.50 | 54.50 | 6.22 | 115,540 |   |  			
            | 4/24/2008 | -1.00 / -1.83% | 53.50 | 55.50 | 53.50 | 53.50 | 53.50 | 6.10 | 85,480 |   |  
            | 4/23/2008 | -1.00 / -1.80% | 55.00 | 55.00 | 54.50 | 54.50 | 54.50 | 6.22 | 136,720 |   |  			
            | 4/22/2008 | +1.00 / +1.83% | 55.50 | 55.50 | 54.00 | 55.50 | 55.50 | 6.33 | 194,870 |   |  
            | 4/21/2008 | +1.00 / +1.87% | 54.50 | 54.50 | 54.50 | 54.50 | 54.50 | 6.22 | 19,280 |   |  			
            | 4/18/2008 | +1.00 / +1.90% | 53.50 | 53.50 | 52.50 | 53.50 | 53.50 | 6.10 | 212,860 |   |  
            | 4/17/2008 | +1.00 / +1.94% | 51.50 | 52.50 | 51.50 | 52.50 | 52.50 | 5.99 | 54,010 |   |  			
            | 4/16/2008 | -1.00 / -1.90% | 52.00 | 52.50 | 51.50 | 51.50 | 51.50 | 5.88 | 82,560 |   |  
            | 4/11/2008 | 0.00 / 0.00% | 51.50 | 52.50 | 51.50 | 52.50 | 52.50 | 5.99 | 121,890 |   |  			
            | 4/10/2008 | -1.00 / -1.87% | 52.50 | 53.00 | 52.50 | 52.50 | 52.50 | 5.99 | 244,550 |   |  
            | 4/9/2008 | +1.00 / +1.90% | 53.50 | 53.50 | 53.50 | 53.50 | 53.50 | 6.10 | 65,640 |   |  			
            | 4/8/2008 | +1.00 / +1.94% | 52.50 | 52.50 | 52.50 | 52.50 | 52.50 | 5.99 | 161,550 |   |  
            | 4/7/2008 | +1.00 / +1.98% | 51.50 | 51.50 | 51.50 | 51.50 | 51.50 | 5.88 | 1,000 |   |  			
            | 4/4/2008 | +0.50 / +1.00% | 50.00 | 50.50 | 50.00 | 50.50 | 50.50 | 5.76 | 320 |   |  
            | 4/3/2008 | +0.20 / +0.40% | 50.00 | 50.00 | 50.00 | 50.00 | 50.00 | 5.70 | 510 |   |  			
            | 4/2/2008 | +0.40 / +0.81% | 49.80 | 49.80 | 49.80 | 49.80 | 49.80 | 5.68 | 10 |   |  
            | 4/1/2008 | +0.40 / +0.82% | 49.40 | 49.40 | 49.40 | 49.40 | 49.40 | 5.64 | 20 |   |  			
            | 3/31/2008 | +0.40 / +0.82% | 49.00 | 49.00 | 49.00 | 49.00 | 49.00 | 5.59 | 3,500 |   |  
            | 3/28/2008 | +0.40 / +0.83% | 48.20 | 48.60 | 48.20 | 48.60 | 48.60 | 5.54 | 530 |   |  			
            | 3/27/2008 | +0.40 / +0.84% | 48.20 | 48.20 | 48.20 | 48.20 | 48.20 | 5.50 | 3,300 |   |  
            | 3/26/2008 | +2.20 / +4.82% | 47.80 | 47.80 | 47.60 | 47.80 | 47.80 | 5.45 | 80,600 |   |  			
            | 3/25/2008 | -2.40 / -5.00% | 45.60 | 48.00 | 45.60 | 45.60 | 45.60 | 5.20 | 214,290 |   |  
            | 3/24/2008 | -2.50 / -4.95% | 48.50 | 48.50 | 48.00 | 48.00 | 48.00 | 5.48 | 205,240 |   |  			
            | 3/21/2008 | -1.50 / -2.88% | 52.50 | 52.50 | 50.00 | 50.50 | 50.50 | 5.76 | 200,060 |   |  
            | 3/20/2008 | -1.00 / -1.89% | 52.00 | 53.50 | 51.50 | 52.00 | 52.00 | 5.93 | 248,660 |   |  			
            | 3/19/2008 | -0.50 / -0.93% | 54.50 | 55.00 | 53.00 | 53.00 | 53.00 | 6.05 | 179,240 |   |  
            | 3/18/2008 | -2.50 / -4.46% | 53.50 | 54.00 | 53.50 | 53.50 | 53.50 | 6.10 | 244,950 |   |  			
            | 3/17/2008 | -2.00 / -3.45% | 55.50 | 57.00 | 55.50 | 56.00 | 56.00 | 6.39 | 206,360 |   |  
            | 3/14/2008 | 0.00 / 0.00% | 56.50 | 59.00 | 56.50 | 58.00 | 58.00 | 6.62 | 110,350 |   |  |