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            | 
                    Closing price on 11/20/2007
                 |  |  
    
        |           
                
                    | Open | 108.00 |  
                    | High | 109.00 |  
                    | Low | 106.00 |  
                    | Volume | 20,300 |  
                    | Split-adjusted Price | 5.06 |  
                
             | 
 |  HDC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/20/2007 | -2.00 / -1.83% | 108.00 | 109.00 | 106.00 | 107.00 | 107.00 | 5.06 | 20,300 |   |  
            | 11/19/2007 | -1.00 / -0.91% | 107.00 | 109.00 | 107.00 | 109.00 | 109.00 | 5.16 | 14,490 |   |  			
            | 11/16/2007 | -1.00 / -0.90% | 110.00 | 112.00 | 110.00 | 110.00 | 110.00 | 5.20 | 17,160 |   |  
            | 11/15/2007 | -3.00 / -2.63% | 112.00 | 114.00 | 111.00 | 111.00 | 111.00 | 5.25 | 43,770 |   |  			
            | 11/14/2007 | +5.00 / +4.59% | 109.00 | 114.00 | 109.00 | 114.00 | 114.00 | 5.39 | 45,010 |   |  
            | 11/13/2007 | -5.00 / -4.39% | 114.00 | 114.00 | 109.00 | 109.00 | 109.00 | 5.16 | 47,880 |   |  			
            | 11/12/2007 | -6.00 / -5.00% | 120.00 | 120.00 | 114.00 | 114.00 | 114.00 | 5.39 | 52,120 |   |  
            | 11/9/2007 | +4.00 / +3.45% | 119.00 | 120.00 | 116.00 | 120.00 | 120.00 | 5.68 | 127,250 |   |  			
            | 11/8/2007 | +5.00 / +4.50% | 116.00 | 116.00 | 116.00 | 116.00 | 116.00 | 5.49 | 19,020 |   |  
            | 11/7/2007 | -4.00 / -3.48% | 112.00 | 114.00 | 110.00 | 111.00 | 111.00 | 5.25 | 86,230 |   |  			
            | 11/6/2007 | -5.00 / -4.17% | 120.00 | 120.00 | 115.00 | 115.00 | 115.00 | 5.44 | 45,410 |   |  
            | 11/5/2007 | -4.00 / -3.23% | 120.00 | 124.00 | 119.00 | 120.00 | 120.00 | 5.68 | 72,010 |   |  			
            | 11/2/2007 | -5.00 / -3.88% | 129.00 | 129.00 | 124.00 | 124.00 | 124.00 | 5.87 | 42,500 |   |  
            | 11/1/2007 | +1.00 / +0.78% | 127.00 | 131.00 | 127.00 | 129.00 | 129.00 | 6.10 | 64,970 |   |  			
            | 10/31/2007 | 0.00 / 0.00% | 122.00 | 132.00 | 122.00 | 128.00 | 128.00 | 6.05 | 318,140 |   |  
            | 10/30/2007 | -6.00 / -4.48% | 128.00 | 128.00 | 128.00 | 128.00 | 128.00 | 6.05 | 29,390 |   |  			
            | 10/29/2007 | -7.00 / -4.96% | 134.00 | 134.00 | 134.00 | 134.00 | 134.00 | 6.34 | 26,940 |   |  
            | 10/26/2007 | -7.00 / -4.73% | 142.00 | 142.00 | 141.00 | 141.00 | 141.00 | 6.67 | 62,400 |   |  			
            | 10/25/2007 | +4.00 / +2.78% | 150.00 | 150.00 | 141.00 | 148.00 | 148.00 | 7.00 | 414,740 |   |  
            | 10/24/2007 | +6.00 / +4.35% | 144.00 | 144.00 | 144.00 | 144.00 | 144.00 | 6.81 | 141,200 |   |  			
            | 10/23/2007 | +6.00 / +4.55% | 138.00 | 138.00 | 138.00 | 138.00 | 138.00 | 6.53 | 74,690 |   |  
            | 10/22/2007 | +6.00 / +4.76% | 132.00 | 132.00 | 132.00 | 132.00 | 132.00 | 6.24 | 65,150 |   |  			
            | 10/19/2007 | +6.00 / +5.00% | 122.00 | 126.00 | 120.00 | 126.00 | 126.00 | 5.96 | 412,180 |   |  
            | 10/18/2007 | +4.00 / +3.45% | 121.00 | 121.00 | 112.00 | 120.00 | 120.00 | 5.68 | 734,430 |   |  			
            | 10/17/2007 | +5.00 / +4.50% | 116.00 | 116.00 | 116.00 | 116.00 | 116.00 | 5.49 | 14,250 |   |  
            | 10/16/2007 | +5.00 / +4.72% | 111.00 | 111.00 | 111.00 | 111.00 | 111.00 | 5.25 | 55,400 |   |  			
            | 10/15/2007 | +5.00 / +4.95% | 106.00 | 106.00 | 106.00 | 106.00 | 106.00 | 5.01 | 67,920 |   |  
            | 10/12/2007 | +4.50 / +4.66% | 101.00 | 101.00 | 101.00 | 101.00 | 101.00 | 4.78 | 123,080 |   |  			
            | 10/11/2007 | +4.50 / +4.89% | 96.50 | 96.50 | 96.50 | 96.50 | 96.50 | 4.56 | 11,200 |   |  
            | 10/10/2007 | +4.00 / +4.55% | 92.00 | 92.00 | 92.00 | 92.00 | 92.00 | 4.35 | 2,000 |   |  |