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                    Closing price on 8/7/2009
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                    | Open | 11.50 |  
                    | High | 11.60 |  
                    | Low | 11.20 |  
                    | Volume | 120,810 |  
                    | Split-adjusted Price | 11.60 |  
                
             | 
 |  DDM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/7/2009 | +0.50 / +4.50% | 11.50 | 11.60 | 11.20 | 11.60 | 11.60 | 11.60 | 120,810 |   |  
            | 8/6/2009 | +0.50 / +4.72% | 10.80 | 11.10 | 10.80 | 11.10 | 10.95 | 11.10 | 146,280 |   |  			
            | 8/5/2009 | 0.00 / 0.00% | 10.50 | 10.70 | 10.50 | 10.60 | 10.58 | 10.60 | 26,330 |   |  
            | 8/4/2009 | -0.10 / -0.93% | 10.80 | 10.80 | 10.60 | 10.60 | 10.60 | 10.60 | 16,180 |   |  			
            | 8/3/2009 | 0.00 / 0.00% | 10.70 | 10.80 | 10.60 | 10.70 | 10.60 | 10.70 | 20,360 |   |  
            | 7/31/2009 | +0.10 / +0.95% | 10.80 | 10.80 | 10.50 | 10.60 | 10.60 | 10.60 | 40,150 |   |  			
            | 7/30/2009 | 0.00 / 0.00% | 10.30 | 10.90 | 10.20 | 10.50 | 10.60 | 10.50 | 25,510 |   |  
            | 7/29/2009 | -0.20 / -1.87% | 10.60 | 10.90 | 10.50 | 10.50 | 10.50 | 10.50 | 29,740 |   |  			
            | 7/28/2009 | -0.40 / -3.60% | 10.90 | 11.10 | 10.70 | 10.70 | 10.85 | 10.70 | 32,570 |   |  
            | 7/27/2009 | 0.00 / 0.00% | 11.00 | 11.70 | 11.00 | 11.10 | 11.20 | 11.10 | 78,880 |   |  			
            | 7/24/2009 | +0.50 / +4.63% | 11.30 | 11.30 | 11.30 | 11.30 | 11.30 | 11.30 | 33,100 |   |  
            | 7/23/2009 | +0.30 / +2.86% | 10.40 | 10.80 | 10.40 | 10.80 | 10.60 | 10.80 | 24,410 |   |  			
            | 7/22/2009 | 0.00 / 0.00% | 10.60 | 10.60 | 10.40 | 10.50 | 10.53 | 10.50 | 18,710 |   |  
            | 7/21/2009 | +0.10 / +0.96% | 10.50 | 10.70 | 10.40 | 10.50 | 10.50 | 10.50 | 27,760 |   |  			
            | 7/20/2009 | 0.00 / 0.00% | 10.70 | 10.70 | 10.30 | 10.40 | 10.50 | 10.40 | 37,630 |   |  
            | 7/17/2009 | -0.40 / -3.57% | 11.00 | 11.00 | 10.80 | 10.80 | 10.80 | 10.80 | 18,230 |   |  			
            | 7/16/2009 | -0.10 / -0.88% | 11.20 | 11.60 | 11.10 | 11.20 | 11.28 | 11.20 | 23,660 |   |  
            | 7/15/2009 | +0.30 / +2.73% | 11.40 | 11.50 | 11.20 | 11.30 | 11.20 | 11.30 | 42,490 |   |  			
            | 7/14/2009 | +0.50 / +4.76% | 10.50 | 11.00 | 10.50 | 11.00 | 10.75 | 11.00 | 49,900 |   |  
            | 7/13/2009 | 0.00 / 0.00% | 11.00 | 11.00 | 10.40 | 10.50 | 11.00 | 10.50 | 27,710 |   |  			
            | 7/10/2009 | -0.20 / -1.79% | 11.20 | 11.20 | 11.00 | 11.00 | 11.00 | 11.00 | 32,400 |   |  
            | 7/9/2009 | -0.20 / -1.75% | 11.40 | 11.50 | 11.20 | 11.20 | 11.33 | 11.20 | 53,430 |   |  			
            | 7/8/2009 | -0.10 / -0.87% | 11.50 | 11.50 | 11.20 | 11.40 | 11.20 | 11.40 | 21,440 |   |  
            | 7/7/2009 | +0.20 / +1.77% | 11.00 | 11.50 | 11.00 | 11.50 | 11.40 | 11.50 | 87,860 |   |  			
            | 7/6/2009 | 0.00 / 0.00% | 11.30 | 11.30 | 11.30 | 11.30 | 11.30 | 11.30 | 41,010 |   |  
            | 7/3/2009 | -0.20 / -1.82% | 10.50 | 10.90 | 10.50 | 10.80 | 10.80 | 10.80 | 36,810 |   |  			
            | 7/2/2009 | +0.30 / +2.80% | 10.60 | 11.10 | 10.20 | 11.00 | 10.80 | 11.00 | 39,450 |   |  
            | 7/1/2009 | -0.50 / -4.46% | 10.70 | 10.70 | 10.70 | 10.70 | 10.70 | 10.70 | 39,600 |   |  			
            | 6/30/2009 | -0.50 / -4.27% | 11.70 | 11.70 | 11.20 | 11.20 | 11.45 | 11.20 | 40,110 |   |  
            | 6/29/2009 | 0.00 / 0.00% | 11.70 | 12.00 | 11.70 | 11.70 | 11.78 | 11.70 | 34,920 |   |  |