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                    Closing price on 11/16/2011
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        |           
                
                    | Open | 3.60 |  
                    | High | 3.80 |  
                    | Low | 3.60 |  
                    | Volume | 3,540 |  
                    | Split-adjusted Price | 3.60 |  
                
             | 
 |  DDM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/16/2011 | -0.10 / -2.70% | 3.60 | 3.80 | 3.60 | 3.60 | 3.65 | 3.60 | 3,540 |   |  
            | 11/15/2011 | -0.10 / -2.63% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3,190 |   |  			
            | 11/14/2011 | 0.00 / 0.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 300 |   |  
            | 11/11/2011 | 0.00 / 0.00% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 0 |   |  			
            | 11/10/2011 | 0.00 / 0.00% | 3.80 | 3.90 | 3.80 | 3.90 | 3.90 | 3.90 | 220 |   |  
            | 11/9/2011 | +0.10 / +2.63% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 10 |   |  			
            | 11/8/2011 | -0.20 / -5.00% | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 3.80 | 1,300 |   |  
            | 11/7/2011 | 0.00 / 0.00% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 660 |   |  			
            | 11/4/2011 | 0.00 / 0.00% | 3.80 | 4.00 | 3.80 | 4.00 | 4.00 | 4.00 | 2,210 |   |  
            | 11/3/2011 | 0.00 / 0.00% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 0 |   |  			
            | 11/2/2011 | +0.10 / +2.56% | 3.80 | 4.00 | 3.80 | 4.00 | 4.00 | 4.00 | 210 |   |  
            | 11/1/2011 | 0.00 / 0.00% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 0 |   |  			
            | 10/31/2011 | 0.00 / 0.00% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 0 |   |  
            | 10/28/2011 | +0.10 / +2.63% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 1,540 |   |  			
            | 10/27/2011 | -0.10 / -2.56% | 3.90 | 4.00 | 3.80 | 3.80 | 3.90 | 3.80 | 2,570 |   |  
            | 10/26/2011 | -0.10 / -2.50% | 3.80 | 3.90 | 3.80 | 3.90 | 3.80 | 3.90 | 510 |   |  			
            | 10/25/2011 | +0.10 / +2.56% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 10 |   |  
            | 10/24/2011 | 0.00 / 0.00% | 3.80 | 3.90 | 3.80 | 3.90 | 3.85 | 3.90 | 5,080 |   |  			
            | 10/21/2011 | -0.20 / -5.00% | 4.00 | 4.00 | 3.80 | 3.80 | 3.80 | 3.80 | 1,360 |   |  
            | 10/20/2011 | 0.00 / 0.00% | 3.80 | 4.00 | 3.80 | 4.00 | 3.80 | 4.00 | 140 |   |  			
            | 10/19/2011 | 0.00 / 0.00% | 4.00 | 4.00 | 3.80 | 4.00 | 4.00 | 4.00 | 1,070 |   |  
            | 10/18/2011 | 0.00 / 0.00% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 0 |   |  			
            | 10/17/2011 | 0.00 / 0.00% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 300 |   |  
            | 10/14/2011 | 0.00 / 0.00% | 3.80 | 4.00 | 3.80 | 4.00 | 4.00 | 4.00 | 1,010 |   |  			
            | 10/13/2011 | 0.00 / 0.00% | 3.80 | 4.00 | 3.80 | 4.00 | 4.00 | 4.00 | 360 |   |  
            | 10/12/2011 | -0.10 / -2.44% | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 8,020 |   |  			
            | 10/11/2011 | -0.20 / -4.65% | 4.10 | 4.10 | 4.10 | 4.10 | 4.10 | 4.10 | 890 |   |  
            | 10/10/2011 | 0.00 / 0.00% | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 120 |   |  			
            | 10/7/2011 | +0.20 / +4.65% | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 10 |   |  
            | 10/6/2011 | +0.10 / +2.38% | 4.40 | 4.40 | 4.30 | 4.30 | 4.35 | 4.30 | 1,150 |   |  |