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                    Closing price on 3/3/2010
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        |           
                
                    | Open | 11.00 |  
                    | High | 11.00 |  
                    | Low | 10.70 |  
                    | Volume | 33,610 |  
                    | Split-adjusted Price | 10.70 |  
                
             | 
 |  DDM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/3/2010 | 0.00 / 0.00% | 11.00 | 11.00 | 10.70 | 10.70 | 10.90 | 10.70 | 33,610 |   |  
            | 3/2/2010 | -0.10 / -0.93% | 10.80 | 10.80 | 10.60 | 10.70 | 10.70 | 10.70 | 30,590 |   |  			
            | 3/1/2010 | 0.00 / 0.00% | 10.80 | 11.00 | 10.80 | 10.80 | 10.85 | 10.80 | 16,140 |   |  
            | 2/26/2010 | +0.10 / +0.93% | 11.00 | 11.00 | 10.60 | 10.90 | 10.90 | 10.90 | 12,150 |   |  			
            | 2/25/2010 | -0.30 / -2.70% | 11.10 | 11.20 | 10.80 | 10.80 | 10.90 | 10.80 | 27,090 |   |  
            | 2/24/2010 | +0.20 / +1.83% | 10.90 | 11.10 | 10.90 | 11.10 | 11.00 | 11.10 | 19,460 |   |  			
            | 2/23/2010 | -0.50 / -4.39% | 11.40 | 11.40 | 10.90 | 10.90 | 11.10 | 10.90 | 58,220 |   |  
            | 2/22/2010 | 0.00 / 0.00% | 11.50 | 11.50 | 11.30 | 11.40 | 11.43 | 11.40 | 4,250 |   |  			
            | 2/12/2010 | 0.00 / 0.00% | 11.60 | 11.60 | 11.30 | 11.40 | 11.40 | 11.40 | 3,200 |   |  
            | 2/11/2010 | +0.30 / +2.70% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 26,910 |   |  			
            | 2/10/2010 | +0.10 / +0.91% | 10.80 | 11.40 | 10.80 | 11.10 | 11.40 | 11.10 | 17,020 |   |  
            | 2/9/2010 | -0.30 / -2.65% | 11.00 | 11.30 | 11.00 | 11.00 | 11.10 | 11.00 | 19,880 |   |  			
            | 2/8/2010 | 0.00 / 0.00% | 11.20 | 11.30 | 11.00 | 11.30 | 11.00 | 11.30 | 27,960 |   |  
            | 2/5/2010 | +0.20 / +1.82% | 10.70 | 11.20 | 10.70 | 11.20 | 11.20 | 11.20 | 49,720 |   |  			
            | 2/4/2010 | +0.20 / +1.85% | 11.20 | 11.20 | 10.80 | 11.00 | 11.20 | 11.00 | 18,860 |   |  
            | 2/3/2010 | -0.40 / -3.57% | 11.40 | 11.40 | 10.80 | 10.80 | 11.00 | 10.80 | 13,340 |   |  			
            | 2/2/2010 | +0.50 / +4.67% | 10.60 | 11.20 | 10.60 | 11.20 | 10.80 | 11.20 | 51,430 |   |  
            | 2/1/2010 | 0.00 / 0.00% | 10.80 | 10.80 | 10.70 | 10.70 | 10.75 | 10.70 | 13,770 |   |  			
            | 1/29/2010 | 0.00 / 0.00% | 10.60 | 10.80 | 10.60 | 10.70 | 10.70 | 10.70 | 8,910 |   |  
            | 1/28/2010 | -0.30 / -2.73% | 10.70 | 11.00 | 10.70 | 10.70 | 10.70 | 10.70 | 7,810 |   |  			
            | 1/27/2010 | -0.30 / -2.65% | 11.50 | 11.50 | 10.90 | 11.00 | 11.23 | 11.00 | 32,680 |   |  
            | 1/26/2010 | +0.50 / +4.63% | 11.20 | 11.30 | 11.00 | 11.30 | 11.00 | 11.30 | 34,240 |   |  			
            | 1/25/2010 | 0.00 / 0.00% | 10.80 | 10.90 | 10.60 | 10.80 | 10.78 | 10.80 | 20,630 |   |  
            | 1/22/2010 | -0.30 / -2.78% | 10.50 | 11.00 | 10.40 | 10.50 | 10.50 | 10.50 | 29,370 |   |  			
            | 1/21/2010 | -0.50 / -4.42% | 11.00 | 11.30 | 10.80 | 10.80 | 10.98 | 10.80 | 57,100 |   |  
            | 1/20/2010 | -0.30 / -2.59% | 11.90 | 11.90 | 11.20 | 11.30 | 11.58 | 11.30 | 24,600 |   |  			
            | 1/19/2010 | +0.20 / +1.75% | 11.70 | 11.70 | 11.50 | 11.60 | 11.63 | 11.60 | 40,020 |   |  
            | 1/18/2010 | 0.00 / 0.00% | 11.50 | 11.80 | 11.40 | 11.40 | 11.60 | 11.40 | 50,300 |   |  			
            | 1/15/2010 | -0.50 / -4.00% | 12.50 | 12.50 | 12.00 | 12.00 | 12.00 | 12.00 | 49,230 |   |  
            | 1/14/2010 | +0.30 / +2.46% | 12.80 | 12.80 | 12.20 | 12.50 | 12.58 | 12.50 | 52,090 |   |  |