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                    Closing price on 7/16/2010
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        |           
                
                    | Open | 11.70 |  
                    | High | 11.80 |  
                    | Low | 11.60 |  
                    | Volume | 81,680 |  
                    | Split-adjusted Price | 11.70 |  
                
             | 
 |  DDM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/16/2010 | 0.00 / 0.00% | 11.70 | 11.80 | 11.60 | 11.70 | 11.70 | 11.70 | 81,680 |   |  
            | 7/15/2010 | +0.10 / +0.86% | 11.60 | 11.90 | 11.60 | 11.70 | 11.70 | 11.70 | 67,530 |   |  			
            | 7/14/2010 | 0.00 / 0.00% | 12.00 | 12.00 | 11.60 | 11.60 | 11.70 | 11.60 | 101,950 |   |  
            | 7/13/2010 | +0.20 / +1.75% | 11.40 | 11.70 | 11.40 | 11.60 | 11.60 | 11.60 | 77,740 |   |  			
            | 7/12/2010 | 0.00 / 0.00% | 11.20 | 11.40 | 11.20 | 11.40 | 11.30 | 11.40 | 22,580 |   |  
            | 7/9/2010 | -0.10 / -0.88% | 11.30 | 11.40 | 11.20 | 11.20 | 11.20 | 11.20 | 23,100 |   |  			
            | 7/8/2010 | 0.00 / 0.00% | 11.50 | 11.50 | 11.30 | 11.30 | 11.40 | 11.30 | 21,290 |   |  
            | 7/7/2010 | -0.10 / -0.88% | 11.60 | 11.60 | 11.10 | 11.30 | 11.30 | 11.30 | 51,830 |   |  			
            | 7/6/2010 | -0.40 / -3.39% | 11.50 | 11.70 | 11.40 | 11.40 | 11.50 | 11.40 | 72,370 |   |  
            | 7/5/2010 | 0.00 / 0.00% | 11.70 | 11.80 | 11.70 | 11.80 | 11.75 | 11.80 | 83,550 |   |  			
            | 7/2/2010 | +0.30 / +2.63% | 11.50 | 11.70 | 11.40 | 11.70 | 11.70 | 11.70 | 34,750 |   |  
            | 7/1/2010 | 0.00 / 0.00% | 11.70 | 11.70 | 11.30 | 11.40 | 11.70 | 11.40 | 56,400 |   |  			
            | 6/30/2010 | -0.20 / -1.72% | 11.50 | 11.50 | 11.30 | 11.40 | 11.40 | 11.40 | 37,300 |   |  
            | 6/29/2010 | -0.20 / -1.69% | 12.20 | 12.20 | 11.60 | 11.60 | 11.90 | 11.60 | 95,840 |   |  			
            | 6/28/2010 | 0.00 / 0.00% | 11.30 | 11.80 | 11.30 | 11.80 | 11.60 | 11.80 | 209,960 |   |  
            | 6/25/2010 | -0.30 / -2.59% | 11.40 | 11.60 | 11.30 | 11.30 | 11.30 | 11.30 | 62,510 |   |  			
            | 6/24/2010 | -0.20 / -1.69% | 11.80 | 12.00 | 11.60 | 11.60 | 11.75 | 11.60 | 40,300 |   |  
            | 6/23/2010 | 0.00 / 0.00% | 11.50 | 12.00 | 11.50 | 11.80 | 11.60 | 11.80 | 35,150 |   |  			
            | 6/22/2010 | +0.10 / +0.85% | 12.20 | 12.20 | 11.80 | 11.80 | 11.80 | 11.80 | 322,720 |   |  
            | 6/21/2010 | 0.00 / 0.00% | 11.40 | 11.70 | 11.40 | 11.70 | 11.70 | 11.70 | 118,220 |   |  			
            | 6/18/2010 | 0.00 / 0.00% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 26,270 |   |  
            | 6/17/2010 | 0.00 / 0.00% | 11.40 | 11.40 | 11.20 | 11.20 | 11.20 | 11.20 | 38,040 |   |  			
            | 6/16/2010 | 0.00 / 0.00% | 11.20 | 11.30 | 11.10 | 11.20 | 11.20 | 11.20 | 40,290 |   |  
            | 6/15/2010 | +0.10 / +0.90% | 11.10 | 11.20 | 11.00 | 11.20 | 11.20 | 11.20 | 88,170 |   |  			
            | 6/14/2010 | 0.00 / 0.00% | 11.20 | 11.20 | 11.10 | 11.10 | 11.20 | 11.10 | 39,550 |   |  
            | 6/11/2010 | +0.10 / +0.90% | 11.30 | 11.30 | 11.10 | 11.20 | 11.20 | 11.20 | 27,800 |   |  			
            | 6/10/2010 | +0.10 / +0.91% | 10.80 | 11.10 | 10.80 | 11.10 | 10.95 | 11.10 | 31,450 |   |  
            | 6/9/2010 | +0.30 / +2.80% | 10.70 | 11.10 | 10.70 | 11.00 | 11.10 | 11.00 | 42,440 |   |  			
            | 6/8/2010 | 0.00 / 0.00% | 10.70 | 10.80 | 10.70 | 10.70 | 10.73 | 10.70 | 20,580 |   |  
            | 6/7/2010 | 0.00 / 0.00% | 11.00 | 11.00 | 10.70 | 10.70 | 10.70 | 10.70 | 36,160 |   |  |