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                    Closing price on 4/21/2010
                 |  |  
    
        |           
                
                    | Open | 26.30 |  
                    | High | 26.30 |  
                    | Low | 23.60 |  
                    | Volume | 3,300 |  
                    | Split-adjusted Price | 5.03 |  
                
             | 
 |  DL1 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/21/2010 | -1.30 / -5.22% | 26.30 | 26.30 | 23.60 | 23.60 | 24.57 | 5.03 | 3,300 |   |  
            | 4/20/2010 | +0.50 / +2.05% | 25.00 | 25.00 | 23.20 | 24.90 | 24.94 | 5.31 | 3,800 |   |  			
            | 4/19/2010 | +1.90 / +8.44% | 23.90 | 24.40 | 22.50 | 24.40 | 23.41 | 5.20 | 5,300 |   |  
            | 4/16/2010 | -2.30 / -9.27% | 24.00 | 24.20 | 22.50 | 22.50 | 23.91 | 4.80 | 4,500 |   |  			
            | 4/15/2010 | +0.80 / +3.33% | 23.40 | 24.80 | 23.30 | 24.80 | 23.76 | 5.29 | 1,800 |   |  
            | 4/14/2010 | -1.60 / -6.25% | 24.00 | 24.20 | 24.00 | 24.00 | 24.01 | 5.12 | 8,700 |   |  			
            | 4/13/2010 | +0.90 / +3.64% | 26.10 | 26.10 | 25.40 | 25.60 | 25.73 | 5.46 | 2,400 |   |  
            | 4/12/2010 | -0.80 / -3.14% | 26.10 | 26.10 | 24.30 | 24.70 | 24.89 | 5.27 | 3,500 |   |  			
            | 4/9/2010 | -2.00 / -7.27% | 27.00 | 27.00 | 25.50 | 25.50 | 26.06 | 5.44 | 2,700 |   |  
            | 4/8/2010 | +1.50 / +5.77% | 27.00 | 27.50 | 27.00 | 27.50 | 27.43 | 5.86 | 2,000 |   |  			
            | 4/7/2010 | +1.50 / +6.12% | 26.00 | 26.00 | 26.00 | 26.00 | 26.00 | 5.54 | 2,700 |   |  
            | 4/6/2010 | -1.80 / -6.84% | 24.50 | 24.50 | 24.50 | 24.50 | 24.50 | 5.22 | 1,300 |   |  			
            | 4/5/2010 | 0.00 / 0.00% | 26.30 | 26.30 | 26.30 | 26.30 | 26.30 | 5.61 | 3,000 |   |  
            | 4/2/2010 | +1.40 / +5.62% | 26.50 | 26.50 | 23.40 | 26.30 | 24.76 | 5.61 | 4,500 |   |  			
            | 4/1/2010 | +1.40 / +5.96% | 25.50 | 25.50 | 24.90 | 24.90 | 25.06 | 5.31 | 700 |   |  
            | 3/31/2010 | -1.70 / -6.75% | 25.20 | 25.20 | 23.50 | 23.50 | 23.93 | 5.01 | 400 |   |  			
            | 3/30/2010 | -1.80 / -6.67% | 25.20 | 25.20 | 25.20 | 25.20 | 25.20 | 5.37 | 800 |   |  
            | 3/29/2010 | -1.00 / -3.57% | 27.00 | 27.00 | 27.00 | 27.00 | 27.00 | 5.76 | 100 |   |  			
            | 3/26/2010 | +1.30 / +4.87% | 27.50 | 28.00 | 25.60 | 28.00 | 25.67 | 5.97 | 7,400 |   |  
            | 3/25/2010 | -1.90 / -6.64% | 30.70 | 30.70 | 26.70 | 26.70 | 27.52 | 5.69 | 2,100 |   |  			
            | 3/24/2010 | +1.80 / +6.72% | 28.80 | 28.80 | 28.60 | 28.60 | 28.70 | 6.10 | 300 |   |  
            | 3/23/2010 | +1.60 / +6.35% | 27.00 | 27.00 | 26.80 | 26.80 | 26.98 | 5.71 | 1,200 |   |  			
            | 3/22/2010 | -1.80 / -6.67% | 26.00 | 26.00 | 25.20 | 25.20 | 25.27 | 5.37 | 19,500 |   |  
            | 3/19/2010 | -2.00 / -6.90% | 27.00 | 27.20 | 27.00 | 27.00 | 27.01 | 5.76 | 6,900 |   |  			
            | 3/18/2010 | 0.00 / 0.00% | 29.00 | 29.00 | 29.00 | 29.00 | 29.00 | 6.18 | 100 |   |  
            | 3/17/2010 | -0.50 / -1.69% | 30.30 | 30.30 | 27.60 | 29.00 | 27.99 | 6.18 | 2,900 |   |  			
            | 3/16/2010 | +1.70 / +6.12% | 29.70 | 29.70 | 29.20 | 29.50 | 29.63 | 6.29 | 36,100 |   |  
            | 3/15/2010 | +1.80 / +6.92% | 27.80 | 27.80 | 27.80 | 27.80 | 27.80 | 5.93 | 6,700 |   |  			
            | 3/12/2010 | +1.70 / +7.00% | 26.00 | 26.00 | 26.00 | 26.00 | 26.00 | 5.54 | 1,000 |   |  
            | 3/11/2010 | -0.90 / -3.57% | 24.30 | 24.30 | 24.30 | 24.30 | 24.30 | 5.18 | 6,100 |   |  |