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                    Closing price on 9/7/2007
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                    | Open | 81.50 |  
                    | High | 82.00 |  
                    | Low | 81.50 |  
                    | Volume | 29,220 |  
                    | Split-adjusted Price | 7.53 |  
                
             | 
 |  DHA Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/7/2007 | 0.00 / 0.00% | 81.50 | 82.00 | 81.50 | 81.50 | 81.50 | 7.53 | 29,220 |   |  
            | 9/6/2007 | 0.00 / 0.00% | 82.00 | 82.00 | 81.00 | 81.50 | 81.50 | 7.53 | 34,520 |   |  			
            | 9/5/2007 | +0.50 / +0.62% | 82.00 | 82.00 | 81.00 | 81.50 | 81.50 | 7.53 | 88,840 |   |  
            | 9/4/2007 | +1.00 / +1.25% | 80.50 | 81.00 | 80.00 | 81.00 | 81.00 | 7.48 | 27,680 |   |  			
            | 8/31/2007 | +1.50 / +1.91% | 78.50 | 80.00 | 78.50 | 80.00 | 80.00 | 7.39 | 79,560 |   |  
            | 8/30/2007 | +1.00 / +1.29% | 78.00 | 78.50 | 77.00 | 78.50 | 78.50 | 7.25 | 24,110 |   |  			
            | 8/29/2007 | -0.50 / -0.64% | 78.00 | 78.00 | 77.50 | 77.50 | 77.50 | 7.16 | 15,000 |   |  
            | 8/28/2007 | 0.00 / 0.00% | 78.00 | 78.00 | 77.50 | 78.00 | 78.00 | 7.21 | 11,230 |   |  			
            | 8/27/2007 | 0.00 / 0.00% | 78.00 | 78.00 | 77.00 | 78.00 | 78.00 | 7.21 | 19,800 |   |  
            | 8/24/2007 | +1.00 / +1.30% | 77.00 | 78.00 | 76.50 | 78.00 | 78.00 | 7.21 | 19,630 |   |  			
            | 8/23/2007 | 0.00 / 0.00% | 77.00 | 78.00 | 77.00 | 77.00 | 77.00 | 7.11 | 4,760 |   |  
            | 8/22/2007 | -1.00 / -1.28% | 77.00 | 78.00 | 77.00 | 77.00 | 77.00 | 7.11 | 10,370 |   |  			
            | 8/21/2007 | -1.50 / -1.89% | 79.00 | 79.00 | 78.00 | 78.00 | 78.00 | 7.21 | 11,320 |   |  
            | 8/20/2007 | +3.50 / +4.61% | 77.00 | 79.50 | 76.00 | 79.50 | 79.50 | 7.34 | 74,230 |   |  			
            | 8/17/2007 | -1.00 / -1.30% | 76.00 | 76.00 | 75.00 | 76.00 | 76.00 | 7.02 | 27,820 |   |  
            | 8/16/2007 | 0.00 / 0.00% | 76.50 | 77.00 | 76.00 | 77.00 | 77.00 | 7.11 | 12,650 |   |  			
            | 8/15/2007 | +0.50 / +0.65% | 77.00 | 77.00 | 76.50 | 77.00 | 77.00 | 7.11 | 24,460 |   |  
            | 8/14/2007 | +0.50 / +0.66% | 76.00 | 77.00 | 76.00 | 76.50 | 76.50 | 7.07 | 4,610 |   |  			
            | 8/13/2007 | -2.00 / -2.56% | 76.00 | 76.00 | 75.00 | 76.00 | 76.00 | 7.02 | 30,500 |   |  
            | 8/10/2007 | -1.50 / -1.89% | 79.00 | 79.00 | 77.00 | 78.00 | 78.00 | 7.21 | 17,810 |   |  			
            | 8/9/2007 | +3.50 / +4.61% | 77.00 | 79.50 | 77.00 | 79.50 | 79.50 | 7.34 | 18,290 |   |  
            | 8/8/2007 | 0.00 / 0.00% | 76.00 | 76.00 | 76.00 | 76.00 | 76.00 | 7.02 | 7,600 |   |  			
            | 8/7/2007 | 0.00 / 0.00% | 75.50 | 76.00 | 75.50 | 76.00 | 76.00 | 7.02 | 10,290 |   |  
            | 8/6/2007 | -1.00 / -1.30% | 76.00 | 76.50 | 76.00 | 76.00 | 76.00 | 7.02 | 10,760 |   |  			
            | 8/3/2007 | 0.00 / 0.00% | 77.00 | 77.00 | 77.00 | 77.00 | 77.00 | 7.11 | 3,630 |   |  
            | 8/2/2007 | -2.00 / -2.53% | 78.00 | 78.00 | 77.00 | 77.00 | 77.00 | 7.11 | 23,270 |   |  			
            | 8/1/2007 | +2.00 / +2.60% | 77.00 | 79.00 | 75.50 | 79.00 | 79.00 | 7.30 | 32,040 |   |  
            | 7/31/2007 | -1.50 / -1.91% | 77.50 | 77.50 | 75.50 | 77.00 | 77.00 | 7.11 | 43,190 |   |  			
            | 7/30/2007 | 0.00 / 0.00% | 78.50 | 78.50 | 76.00 | 78.50 | 78.50 | 7.25 | 12,580 |   |  
            | 7/27/2007 | -1.00 / -1.26% | 79.00 | 79.00 | 78.00 | 78.50 | 78.50 | 7.25 | 6,240 |   |  |