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            | 
                    Closing price on 1/7/2009
                 |  |  
    
        |           
                
                    | Open | 9.70 |  
                    | High | 10.70 |  
                    | Low | 9.70 |  
                    | Volume | 2,720 |  
                    | Split-adjusted Price | 4.47 |  
                
             | 
 |  DTT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/7/2009 | -0.50 / -4.90% | 9.70 | 10.70 | 9.70 | 9.70 | 9.70 | 4.47 | 2,720 |   |  
            | 1/6/2009 | +0.40 / +4.08% | 10.20 | 10.20 | 10.20 | 10.20 | 10.20 | 4.70 | 210 |   |  			
            | 1/5/2009 | +0.30 / +3.16% | 9.10 | 9.80 | 9.10 | 9.80 | 9.80 | 4.52 | 110 |   |  
            | 1/2/2009 | -0.40 / -4.04% | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 4.38 | 1,400 |   |  			
            | 12/31/2008 | +0.30 / +3.13% | 9.90 | 9.90 | 9.90 | 9.90 | 9.90 | 4.56 | 10 |   |  
            | 12/30/2008 | 0.00 / 0.00% | 9.20 | 9.70 | 9.20 | 9.60 | 9.60 | 4.42 | 2,310 |   |  			
            | 12/29/2008 | 0.00 / 0.00% | 9.60 | 9.60 | 9.60 | 9.60 | 9.60 | 4.42 | 0 |   |  
            | 12/26/2008 | +0.10 / +1.05% | 9.20 | 9.60 | 9.20 | 9.60 | 9.60 | 4.42 | 300 |   |  			
            | 12/25/2008 | -0.40 / -4.04% | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 4.38 | 300 |   |  
            | 12/24/2008 | +0.40 / +4.21% | 9.90 | 9.90 | 9.90 | 9.90 | 9.90 | 4.56 | 600 |   |  			
            | 12/23/2008 | 0.00 / 0.00% | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 4.38 | 0 |   |  
            | 12/22/2008 | -0.40 / -4.04% | 9.50 | 9.50 | 9.50 | 9.50 | 9.50 | 4.38 | 2,200 |   |  			
            | 12/19/2008 | -0.10 / -1.00% | 9.50 | 9.90 | 9.50 | 9.90 | 9.90 | 4.56 | 2,030 |   |  
            | 12/18/2008 | 0.00 / 0.00% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 4.61 | 0 |   |  			
            | 12/17/2008 | 0.00 / 0.00% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 4.61 | 100 |   |  
            | 12/16/2008 | 0.00 / 0.00% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 4.61 | 0 |   |  			
            | 12/15/2008 | +0.20 / +2.04% | 9.50 | 10.00 | 9.40 | 10.00 | 10.00 | 4.61 | 10,810 |   |  
            | 12/12/2008 | +0.20 / +2.08% | 9.80 | 9.80 | 9.80 | 9.80 | 9.80 | 4.52 | 1,000 |   |  			
            | 12/11/2008 | -0.50 / -4.95% | 9.60 | 9.60 | 9.60 | 9.60 | 9.60 | 4.42 | 3,250 |   |  
            | 12/10/2008 | 0.00 / 0.00% | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | 4.66 | 500 |   |  			
            | 12/9/2008 | 0.00 / 0.00% | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | 4.66 | 10 |   |  
            | 12/8/2008 | 0.00 / 0.00% | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | 4.66 | 0 |   |  			
            | 12/5/2008 | +0.10 / +1.00% | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | 4.66 | 200 |   |  
            | 12/4/2008 | +0.10 / +1.01% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 4.61 | 10 |   |  			
            | 12/3/2008 | +0.30 / +3.13% | 9.90 | 9.90 | 9.90 | 9.90 | 9.90 | 4.56 | 3,000 |   |  
            | 12/2/2008 | -0.20 / -2.04% | 9.60 | 9.60 | 9.60 | 9.60 | 9.60 | 4.42 | 1,290 |   |  			
            | 12/1/2008 | -0.40 / -3.92% | 9.70 | 10.00 | 9.70 | 9.80 | 9.80 | 4.52 | 9,300 |   |  
            | 11/28/2008 | -0.20 / -1.92% | 10.20 | 10.20 | 10.20 | 10.20 | 10.20 | 4.70 | 2,000 |   |  			
            | 11/27/2008 | +0.10 / +0.97% | 10.00 | 10.40 | 9.90 | 10.40 | 10.40 | 4.79 | 10,310 |   |  
            | 11/26/2008 | +0.20 / +1.98% | 10.10 | 10.30 | 10.10 | 10.30 | 10.30 | 4.75 | 800 |   |  |