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                    Closing price on 11/30/2009
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        |           
                
                    | Open | 12.20 |  
                    | High | 12.60 |  
                    | Low | 12.00 |  
                    | Volume | 72,110 |  
                    | Split-adjusted Price | 12.20 |  
                
             | 
 |  DDM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/30/2009 | 0.00 / 0.00% | 12.20 | 12.60 | 12.00 | 12.20 | 12.40 | 12.20 | 72,110 |   |  
            | 11/27/2009 | +0.50 / +4.27% | 11.20 | 12.20 | 11.20 | 12.20 | 12.20 | 12.20 | 142,360 |   |  			
            | 11/26/2009 | -0.60 / -4.88% | 11.70 | 12.10 | 11.70 | 11.70 | 11.80 | 11.70 | 99,520 |   |  
            | 11/25/2009 | -0.60 / -4.65% | 12.90 | 12.90 | 12.30 | 12.30 | 12.60 | 12.30 | 89,180 |   |  			
            | 11/24/2009 | -0.60 / -4.44% | 13.20 | 13.40 | 12.90 | 12.90 | 13.10 | 12.90 | 48,480 |   |  
            | 11/23/2009 | 0.00 / 0.00% | 13.50 | 13.60 | 13.00 | 13.50 | 13.40 | 13.50 | 154,540 |   |  			
            | 11/20/2009 | -0.40 / -2.99% | 13.50 | 13.50 | 13.00 | 13.00 | 13.00 | 13.00 | 86,170 |   |  
            | 11/19/2009 | -0.10 / -0.74% | 13.50 | 13.80 | 13.30 | 13.40 | 13.50 | 13.40 | 64,040 |   |  			
            | 11/18/2009 | -0.10 / -0.74% | 13.20 | 13.60 | 13.00 | 13.50 | 13.40 | 13.50 | 84,910 |   |  
            | 11/17/2009 | -0.70 / -4.90% | 14.30 | 14.30 | 13.60 | 13.60 | 13.95 | 13.60 | 74,750 |   |  			
            | 11/16/2009 | 0.00 / 0.00% | 14.00 | 14.50 | 13.60 | 14.30 | 13.60 | 14.30 | 107,650 |   |  
            | 11/13/2009 | 0.00 / 0.00% | 14.70 | 14.70 | 13.80 | 14.30 | 14.30 | 14.30 | 155,000 |   |  			
            | 11/12/2009 | +0.60 / +4.38% | 14.30 | 14.30 | 14.10 | 14.30 | 14.30 | 14.30 | 317,410 |   |  
            | 11/11/2009 | +0.60 / +4.58% | 13.70 | 13.70 | 13.70 | 13.70 | 13.70 | 13.70 | 118,100 |   |  			
            | 11/10/2009 | +0.60 / +4.80% | 13.10 | 13.10 | 12.50 | 13.10 | 12.95 | 13.10 | 357,150 |   |  
            | 11/9/2009 | 0.00 / 0.00% | 12.60 | 13.20 | 12.50 | 12.50 | 13.10 | 12.50 | 119,640 |   |  			
            | 11/6/2009 | +0.50 / +3.97% | 13.10 | 13.20 | 12.80 | 13.10 | 13.10 | 13.10 | 94,530 |   |  
            | 11/5/2009 | +0.60 / +5.00% | 12.40 | 12.60 | 12.00 | 12.60 | 12.40 | 12.60 | 108,320 |   |  			
            | 11/4/2009 | -0.60 / -4.76% | 12.00 | 12.60 | 12.00 | 12.00 | 12.60 | 12.00 | 172,020 |   |  
            | 11/3/2009 | -0.60 / -4.55% | 12.60 | 12.80 | 12.60 | 12.60 | 12.65 | 12.60 | 32,800 |   |  			
            | 11/2/2009 | 0.00 / 0.00% | 13.20 | 13.20 | 13.20 | 13.20 | 13.20 | 13.20 | 30,100 |   |  
            | 10/30/2009 | -0.70 / -4.83% | 14.00 | 14.50 | 13.80 | 13.80 | 13.80 | 13.80 | 323,260 |   |  			
            | 10/29/2009 | -0.70 / -4.61% | 14.60 | 15.00 | 14.50 | 14.50 | 14.65 | 14.50 | 158,230 |   |  
            | 10/28/2009 | +0.60 / +4.11% | 14.60 | 15.30 | 14.60 | 15.20 | 14.93 | 15.20 | 132,530 |   |  			
            | 10/27/2009 | -0.20 / -1.35% | 14.50 | 15.00 | 14.50 | 14.60 | 14.65 | 14.60 | 134,270 |   |  
            | 10/26/2009 | 0.00 / 0.00% | 15.00 | 16.00 | 14.80 | 14.80 | 15.15 | 14.80 | 194,180 |   |  			
            | 10/23/2009 | -0.80 / -4.91% | 16.00 | 16.30 | 15.50 | 15.50 | 15.50 | 15.50 | 217,420 |   |  
            | 10/22/2009 | -0.50 / -2.98% | 16.20 | 16.70 | 16.00 | 16.30 | 16.30 | 16.30 | 254,570 |   |  			
            | 10/21/2009 | -0.10 / -0.59% | 16.30 | 17.50 | 16.30 | 16.80 | 16.30 | 16.80 | 277,460 |   |  
            | 10/20/2009 | +0.80 / +4.97% | 16.90 | 16.90 | 16.80 | 16.90 | 16.80 | 16.90 | 470,240 |   |  |