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                    Closing price on 5/26/2010
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                    | Open | 22.10 |  
                    | High | 22.10 |  
                    | Low | 21.00 |  
                    | Volume | 5,600 |  
                    | Split-adjusted Price | 4.48 |  
                
             | 
 |  DL1 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/26/2010 | -0.90 / -4.11% | 22.10 | 22.10 | 21.00 | 21.00 | 21.60 | 4.48 | 5,600 |   |  
            | 5/25/2010 | -0.10 / -0.45% | 22.00 | 22.60 | 21.90 | 21.90 | 22.40 | 4.67 | 5,000 |   |  			
            | 5/24/2010 | +0.90 / +4.27% | 21.10 | 22.50 | 21.10 | 22.00 | 21.21 | 4.69 | 5,600 |   |  
            | 5/21/2010 | -1.50 / -6.64% | 21.10 | 21.10 | 21.10 | 21.10 | 21.10 | 4.50 | 22,100 |   |  			
            | 5/20/2010 | -1.60 / -6.61% | 22.60 | 22.60 | 22.60 | 22.60 | 22.60 | 4.82 | 9,600 |   |  
            | 5/19/2010 | -1.20 / -4.72% | 24.20 | 24.20 | 24.20 | 24.20 | 24.20 | 5.16 | 2,100 |   |  			
            | 5/18/2010 | -0.20 / -0.78% | 26.10 | 26.10 | 25.40 | 25.40 | 26.01 | 5.42 | 2,300 |   |  
            | 5/17/2010 | -1.00 / -3.76% | 27.80 | 27.80 | 25.60 | 25.60 | 27.33 | 5.46 | 3,200 |   |  			
            | 5/14/2010 | 0.00 / 0.00% | 28.30 | 28.30 | 26.60 | 26.60 | 27.52 | 5.67 | 6,700 |   |  
            | 5/13/2010 | -0.10 / -0.37% | 26.60 | 26.60 | 26.60 | 26.60 | 26.60 | 5.67 | 900 |   |  			
            | 5/12/2010 | -1.20 / -4.30% | 28.90 | 28.90 | 26.70 | 26.70 | 28.52 | 5.69 | 6,100 |   |  
            | 5/11/2010 | -1.70 / -5.74% | 28.50 | 31.00 | 27.60 | 27.90 | 28.74 | 5.95 | 7,600 |   |  			
            | 5/10/2010 | 0.00 / 0.00% | 29.60 | 29.60 | 29.60 | 29.60 | 29.60 | 6.31 | 0 |   |  
            | 5/7/2010 | +0.10 / +0.34% | 29.60 | 29.60 | 29.60 | 29.60 | 29.60 | 6.31 | 0 |   |  			
            | 5/6/2010 | +0.10 / +0.34% | 31.00 | 31.00 | 29.50 | 29.50 | 29.55 | 6.29 | 2,800 |   |  
            | 5/5/2010 | +1.70 / +6.14% | 29.60 | 29.60 | 29.00 | 29.40 | 29.45 | 6.27 | 33,600 |   |  			
            | 5/4/2010 | +0.60 / +2.21% | 27.70 | 27.70 | 27.70 | 27.70 | 27.70 | 5.91 | 14,200 |   |  
            | 4/29/2010 | +1.60 / +6.27% | 25.40 | 27.10 | 25.40 | 27.10 | 25.87 | 5.78 | 28,300 |   |  			
            | 4/28/2010 | +0.90 / +3.66% | 25.40 | 25.50 | 25.30 | 25.50 | 25.38 | 5.44 | 1,500 |   |  
            | 4/27/2010 | 0.00 / 0.00% | 24.50 | 24.60 | 24.50 | 24.60 | 24.56 | 5.25 | 8,600 |   |  			
            | 4/26/2010 | +1.10 / +4.68% | 24.50 | 24.60 | 24.50 | 24.60 | 24.56 | 5.25 | 6,600 |   |  
            | 4/22/2010 | -0.10 / -0.42% | 25.10 | 25.10 | 23.20 | 23.50 | 24.46 | 5.01 | 11,000 |   |  			
            | 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 |   |  |