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                    Closing price on 3/5/2013
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                    | Open | 6.40 |  
                    | High | 6.40 |  
                    | Low | 6.40 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 4.13 |  
                
             | 
 |  DTT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/5/2013 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 4.13 | 0 |   |  
            | 3/4/2013 | 0.00 / 0.00% | 6.40 | 6.40 | 6.40 | 6.40 | 6.40 | 4.13 | 70 |   |  			
            | 3/1/2013 | -0.30 / -4.48% | 6.30 | 6.70 | 6.30 | 6.40 | 6.40 | 4.13 | 5,000 |   |  
            | 2/28/2013 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 4.32 | 0 |   |  			
            | 2/27/2013 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 4.32 | 0 |   |  
            | 2/26/2013 | 0.00 / 0.00% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 4.32 | 0 |   |  			
            | 2/25/2013 | +0.20 / +3.08% | 6.50 | 6.70 | 6.10 | 6.70 | 6.70 | 4.32 | 2,180 |   |  
            | 2/22/2013 | 0.00 / 0.00% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 4.19 | 0 |   |  			
            | 2/21/2013 | 0.00 / 0.00% | 6.10 | 6.50 | 6.10 | 6.50 | 6.50 | 4.19 | 1,880 |   |  
            | 2/20/2013 | +0.30 / +4.84% | 6.50 | 6.50 | 6.50 | 6.50 | 6.50 | 4.19 | 1,010 |   |  			
            | 2/19/2013 | +0.40 / +6.90% | 6.20 | 6.20 | 5.80 | 6.20 | 6.20 | 4.00 | 1,460 |   |  
            | 2/18/2013 | +0.30 / +5.45% | 5.80 | 5.80 | 5.80 | 5.80 | 5.80 | 3.74 | 50 |   |  			
            | 2/8/2013 | 0.00 / 0.00% | 5.50 | 5.50 | 5.50 | 5.50 | 5.50 | 3.55 | 0 |   |  
            | 2/7/2013 | -0.40 / -6.78% | 5.50 | 5.50 | 5.50 | 5.50 | 5.50 | 3.55 | 1,400 |   |  			
            | 2/6/2013 | -0.40 / -6.35% | 6.70 | 6.70 | 5.90 | 5.90 | 5.90 | 3.81 | 2,430 |   |  
            | 2/5/2013 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 4.06 | 0 |   |  			
            | 2/4/2013 | 0.00 / 0.00% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 4.06 | 0 |   |  
            | 2/1/2013 | +0.40 / +6.78% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 4.06 | 10 |   |  			
            | 1/31/2013 | -0.40 / -6.35% | 5.90 | 5.90 | 5.90 | 5.90 | 5.90 | 3.81 | 1,020 |   |  
            | 1/30/2013 | -0.40 / -5.97% | 6.30 | 6.30 | 6.30 | 6.30 | 6.30 | 4.06 | 1,500 |   |  			
            | 1/29/2013 | -0.50 / -6.94% | 6.70 | 6.70 | 6.70 | 6.70 | 6.70 | 4.32 | 80 |   |  
            | 1/28/2013 | -0.50 / -6.49% | 7.20 | 7.20 | 7.20 | 7.20 | 7.20 | 4.64 | 2,060 |   |  			
            | 1/25/2013 | 0.00 / 0.00% | 7.20 | 7.70 | 7.20 | 7.70 | 7.70 | 4.97 | 830 |   |  
            | 1/24/2013 | 0.00 / 0.00% | 7.70 | 7.70 | 7.70 | 7.70 | 7.70 | 4.97 | 10 |   |  			
            | 1/23/2013 | +0.40 / +5.48% | 7.80 | 7.80 | 7.70 | 7.70 | 7.70 | 4.97 | 20 |   |  
            | 1/22/2013 | +0.30 / +4.29% | 7.30 | 7.30 | 7.30 | 7.30 | 7.30 | 4.71 | 10 |   |  			
            | 1/21/2013 | 0.00 / 0.00% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 4.51 | 0 |   |  
            | 1/18/2013 | 0.00 / 0.00% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 4.51 | 2,000 |   |  			
            | 1/17/2013 | 0.00 / 0.00% | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | 4.51 | 0 |   |  
            | 1/16/2013 | +0.40 / +6.06% | 6.60 | 7.00 | 6.50 | 7.00 | 7.00 | 4.51 | 230 |   |  |