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                    Closing price on 10/7/2011
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                    | Open | 4.50 |  
                    | High | 4.50 |  
                    | Low | 4.50 |  
                    | Volume | 10 |  
                    | Split-adjusted Price | 4.50 |  
                
             | 
 |  DDM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 10/5/2011 | -0.20 / -4.55% | 4.30 | 4.30 | 4.20 | 4.20 | 4.30 | 4.20 | 1,400 |   |  
            | 10/4/2011 | 0.00 / 0.00% | 4.20 | 4.40 | 4.20 | 4.40 | 4.20 | 4.40 | 3,510 |   |  			
            | 10/3/2011 | 0.00 / 0.00% | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | 1,000 |   |  
            | 9/30/2011 | +0.20 / +5.00% | 3.90 | 4.20 | 3.90 | 4.20 | 4.20 | 4.20 | 2,000 |   |  			
            | 9/29/2011 | -0.10 / -2.44% | 4.30 | 4.30 | 3.90 | 4.00 | 4.20 | 4.00 | 2,420 |   |  
            | 9/28/2011 | 0.00 / 0.00% | 4.10 | 4.30 | 4.00 | 4.10 | 4.00 | 4.10 | 1,400 |   |  			
            | 9/27/2011 | -0.20 / -4.65% | 4.10 | 4.50 | 4.10 | 4.10 | 4.10 | 4.10 | 160 |   |  
            | 9/26/2011 | 0.00 / 0.00% | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 4.30 | 0 |   |  			
            | 9/23/2011 | -0.10 / -2.27% | 4.20 | 4.30 | 4.20 | 4.30 | 4.30 | 4.30 | 1,140 |   |  
            | 9/22/2011 | -0.10 / -2.22% | 4.30 | 4.50 | 4.30 | 4.40 | 4.30 | 4.40 | 600 |   |  			
            | 9/21/2011 | -0.20 / -4.26% | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 4.50 | 6,990 |   |  
            | 9/20/2011 | -0.20 / -4.08% | 4.80 | 4.80 | 4.70 | 4.70 | 4.75 | 4.70 | 820 |   |  			
            | 9/19/2011 | 0.00 / 0.00% | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 10 |   |  
            | 9/16/2011 | 0.00 / 0.00% | 4.80 | 4.90 | 4.70 | 4.90 | 4.90 | 4.90 | 19,720 |   |  			
            | 9/15/2011 | -0.10 / -2.00% | 5.10 | 5.10 | 4.90 | 4.90 | 4.90 | 4.90 | 3,230 |   |  
            | 9/14/2011 | +0.10 / +2.04% | 4.70 | 5.10 | 4.70 | 5.00 | 4.90 | 5.00 | 5,970 |   |  			
            | 9/13/2011 | +0.20 / +4.26% | 4.70 | 4.90 | 4.70 | 4.90 | 4.80 | 4.90 | 5,220 |   |  
            | 9/12/2011 | 0.00 / 0.00% | 4.40 | 4.70 | 4.40 | 4.70 | 4.55 | 4.70 | 24,680 |   |  			
            | 9/9/2011 | +0.10 / +2.27% | 4.40 | 4.50 | 4.30 | 4.50 | 4.50 | 4.50 | 13,640 |   |  
            | 9/8/2011 | 0.00 / 0.00% | 4.40 | 4.50 | 4.40 | 4.40 | 4.50 | 4.40 | 120 |   |  			
            | 9/7/2011 | +0.10 / +2.33% | 4.30 | 4.40 | 4.30 | 4.40 | 4.40 | 4.40 | 490 |   |  
            | 9/6/2011 | +0.10 / +2.38% | 4.20 | 4.30 | 4.20 | 4.30 | 4.25 | 4.30 | 1,290 |   |  			
            | 9/5/2011 | 0.00 / 0.00% | 4.00 | 4.20 | 4.00 | 4.20 | 4.10 | 4.20 | 65,620 |   |  
            | 9/1/2011 | 0.00 / 0.00% | 4.00 | 4.10 | 3.90 | 4.00 | 4.00 | 4.00 | 6,440 |   |  			
            | 8/31/2011 | +0.10 / +2.56% | 3.90 | 4.00 | 3.80 | 4.00 | 4.00 | 4.00 | 28,520 |   |  
            | 8/30/2011 | +0.10 / +2.63% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 2,460 |   |  			
            | 8/29/2011 | 0.00 / 0.00% | 3.70 | 3.80 | 3.70 | 3.80 | 3.75 | 3.80 | 3,170 |   |  
            | 8/26/2011 | -0.10 / -2.63% | 3.90 | 3.90 | 3.70 | 3.70 | 3.70 | 3.70 | 2,040 |   |  |