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                    Closing price on 10/12/2009
                 |  |  
    
        |           
                
                    | Open | 15.90 |  
                    | High | 15.90 |  
                    | Low | 15.20 |  
                    | Volume | 143,150 |  
                    | Split-adjusted Price | 15.80 |  
                
             | 
 |  DDM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/12/2009 | 0.00 / 0.00% | 15.90 | 15.90 | 15.20 | 15.80 | 15.70 | 15.80 | 143,150 |   |  
            | 10/9/2009 | +0.70 / +4.83% | 15.00 | 15.20 | 14.60 | 15.20 | 15.20 | 15.20 | 131,850 |   |  			
            | 10/8/2009 | -0.50 / -3.33% | 15.00 | 15.00 | 14.30 | 14.50 | 14.70 | 14.50 | 71,910 |   |  
            | 10/7/2009 | +0.50 / +3.45% | 14.90 | 15.20 | 14.60 | 15.00 | 14.93 | 15.00 | 139,440 |   |  			
            | 10/6/2009 | -0.40 / -2.68% | 15.00 | 15.00 | 14.40 | 14.50 | 15.00 | 14.50 | 59,530 |   |  
            | 10/5/2009 | 0.00 / 0.00% | 15.40 | 15.40 | 14.70 | 14.90 | 15.10 | 14.90 | 45,230 |   |  			
            | 10/2/2009 | -0.70 / -4.49% | 14.90 | 15.00 | 14.90 | 14.90 | 14.90 | 14.90 | 128,550 |   |  
            | 10/1/2009 | -0.80 / -4.88% | 16.40 | 16.40 | 15.60 | 15.60 | 16.00 | 15.60 | 98,620 |   |  			
            | 9/30/2009 | +0.70 / +4.46% | 15.20 | 16.40 | 15.20 | 16.40 | 15.60 | 16.40 | 311,390 |   |  
            | 9/29/2009 | -0.50 / -3.09% | 15.70 | 16.00 | 15.50 | 15.70 | 15.73 | 15.70 | 214,790 |   |  			
            | 9/28/2009 | 0.00 / 0.00% | 16.50 | 16.80 | 16.00 | 16.20 | 16.38 | 16.20 | 213,270 |   |  
            | 9/25/2009 | -0.70 / -4.00% | 16.70 | 17.20 | 16.70 | 16.80 | 16.80 | 16.80 | 367,150 |   |  			
            | 9/24/2009 | -0.40 / -2.23% | 17.10 | 18.60 | 17.10 | 17.50 | 17.58 | 17.50 | 246,340 |   |  
            | 9/23/2009 | +0.80 / +4.68% | 17.90 | 17.90 | 17.80 | 17.90 | 17.88 | 17.90 | 526,270 |   |  			
            | 9/22/2009 | +0.80 / +4.91% | 16.90 | 17.10 | 16.30 | 17.10 | 16.85 | 17.10 | 1,009,750 |   |  
            | 9/21/2009 | 0.00 / 0.00% | 16.30 | 16.30 | 16.30 | 16.30 | 16.30 | 16.30 | 100,040 |   |  			
            | 9/18/2009 | -0.40 / -2.50% | 15.70 | 16.20 | 15.60 | 15.60 | 15.60 | 15.60 | 149,550 |   |  
            | 9/17/2009 | -0.20 / -1.23% | 16.00 | 16.10 | 15.50 | 16.00 | 15.60 | 16.00 | 144,030 |   |  			
            | 9/16/2009 | +0.30 / +1.89% | 16.30 | 16.30 | 15.90 | 16.20 | 16.00 | 16.20 | 289,220 |   |  
            | 9/15/2009 | 0.00 / 0.00% | 15.90 | 16.00 | 15.90 | 15.90 | 15.93 | 15.90 | 161,020 |   |  			
            | 9/14/2009 | 0.00 / 0.00% | 15.80 | 16.10 | 15.80 | 15.90 | 15.90 | 15.90 | 189,500 |   |  
            | 9/11/2009 | -0.10 / -0.62% | 16.10 | 16.30 | 15.70 | 16.00 | 16.00 | 16.00 | 374,670 |   |  			
            | 9/10/2009 | +0.40 / +2.55% | 16.40 | 16.40 | 15.20 | 16.10 | 16.00 | 16.10 | 549,470 |   |  
            | 9/9/2009 | +0.70 / +4.67% | 15.70 | 15.70 | 15.70 | 15.70 | 15.70 | 15.70 | 451,560 |   |  			
            | 9/8/2009 | +0.70 / +4.90% | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 189,360 |   |  
            | 9/7/2009 | 0.00 / 0.00% | 14.30 | 14.30 | 13.70 | 14.30 | 14.15 | 14.30 | 476,430 |   |  			
            | 9/4/2009 | +0.60 / +4.58% | 13.30 | 13.70 | 13.20 | 13.70 | 13.70 | 13.70 | 256,140 |   |  
            | 9/3/2009 | 0.00 / 0.00% | 13.00 | 13.40 | 12.90 | 13.10 | 13.10 | 13.10 | 68,410 |   |  			
            | 9/1/2009 | -0.10 / -0.74% | 13.40 | 13.40 | 13.20 | 13.40 | 13.40 | 13.40 | 88,570 |   |  
            | 8/31/2009 | 0.00 / 0.00% | 13.80 | 13.80 | 13.30 | 13.50 | 13.40 | 13.50 | 58,320 |   |  |