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                    Closing price on 3/26/2008
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                    | Open | 23.40 |  
                    | High | 25.40 |  
                    | Low | 23.40 |  
                    | Volume | 810 |  
                    | Split-adjusted Price | 2.05 |  
                
             | 
 |  SDN Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/26/2008 | +1.20 / +4.96% | 23.40 | 25.40 | 23.40 | 25.40 | 25.40 | 2.05 | 810 |   |  
            | 3/25/2008 | -1.10 / -4.35% | 24.20 | 24.20 | 24.20 | 24.20 | 24.20 | 1.95 | 170 |   |  			
            | 3/24/2008 | -1.30 / -4.89% | 25.30 | 25.30 | 25.30 | 25.30 | 25.30 | 2.04 | 6,000 |   |  
            | 3/21/2008 | -1.40 / -5.00% | 28.00 | 28.00 | 26.60 | 26.60 | 26.60 | 2.14 | 8,340 |   |  			
            | 3/20/2008 | +0.50 / +1.82% | 26.20 | 28.00 | 26.20 | 28.00 | 28.00 | 2.26 | 410 |   |  
            | 3/19/2008 | -1.00 / -3.51% | 27.60 | 27.60 | 27.50 | 27.50 | 27.50 | 2.21 | 4,490 |   |  			
            | 3/18/2008 | -1.50 / -5.00% | 28.50 | 28.50 | 28.50 | 28.50 | 28.50 | 2.30 | 6,000 |   |  
            | 3/17/2008 | -0.10 / -0.33% | 28.60 | 30.00 | 28.60 | 30.00 | 30.00 | 2.42 | 1,110 |   |  			
            | 3/14/2008 | -0.40 / -1.31% | 32.00 | 32.00 | 30.10 | 30.10 | 30.10 | 2.42 | 4,000 |   |  
            | 3/13/2008 | -0.20 / -0.65% | 30.70 | 30.70 | 29.50 | 30.50 | 30.50 | 2.46 | 10,550 |   |  			
            | 3/12/2008 | +1.30 / +4.42% | 29.40 | 30.80 | 29.40 | 30.70 | 30.70 | 2.47 | 6,000 |   |  
            | 3/11/2008 | -1.10 / -3.61% | 30.50 | 30.50 | 29.40 | 29.40 | 29.40 | 2.37 | 10,700 |   |  			
            | 3/10/2008 | +0.80 / +2.69% | 31.10 | 31.10 | 30.00 | 30.50 | 30.50 | 2.46 | 13,890 |   |  
            | 3/7/2008 | +1.40 / +4.95% | 29.00 | 29.70 | 29.00 | 29.70 | 29.70 | 2.39 | 2,110 |   |  			
            | 3/6/2008 | +1.30 / +4.81% | 28.30 | 28.30 | 28.30 | 28.30 | 28.30 | 2.28 | 920 |   |  
            | 3/5/2008 | -1.10 / -3.91% | 26.70 | 27.00 | 26.70 | 27.00 | 27.00 | 2.17 | 4,760 |   |  			
            | 3/4/2008 | -1.40 / -4.75% | 28.10 | 28.10 | 28.10 | 28.10 | 28.10 | 2.26 | 25,480 |   |  
            | 3/3/2008 | -1.50 / -4.84% | 31.00 | 31.00 | 29.50 | 29.50 | 29.50 | 2.38 | 12,240 |   |  			
            | 2/29/2008 | +0.80 / +2.65% | 31.00 | 31.00 | 30.20 | 31.00 | 31.00 | 2.50 | 22,460 |   |  
            | 2/28/2008 | -1.50 / -4.73% | 31.00 | 31.00 | 30.20 | 30.20 | 30.20 | 2.43 | 5,750 |   |  			
            | 2/27/2008 | -1.60 / -4.80% | 31.70 | 32.00 | 31.70 | 31.70 | 31.70 | 2.55 | 7,540 |   |  
            | 2/26/2008 | -1.70 / -4.86% | 35.00 | 35.00 | 33.30 | 33.30 | 33.30 | 2.68 | 1,680 |   |  			
            | 2/25/2008 | +0.90 / +2.64% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 2.82 | 1,980 |   |  
            | 2/22/2008 | -1.70 / -4.75% | 34.10 | 34.10 | 34.10 | 34.10 | 34.10 | 2.75 | 1,680 |   |  			
            | 2/21/2008 | -1.80 / -4.79% | 35.80 | 35.80 | 35.80 | 35.80 | 35.80 | 2.88 | 480 |   |  
            | 2/20/2008 | -1.90 / -4.81% | 37.60 | 37.90 | 37.60 | 37.60 | 37.60 | 3.03 | 7,100 |   |  			
            | 2/19/2008 | 0.00 / 0.00% | 37.60 | 39.50 | 37.60 | 39.50 | 39.50 | 3.18 | 1,580 |   |  
            | 2/18/2008 | -2.00 / -4.82% | 41.00 | 41.00 | 39.50 | 39.50 | 39.50 | 3.18 | 3,030 |   |  			
            | 2/15/2008 | +1.50 / +3.75% | 41.50 | 41.50 | 40.50 | 41.50 | 41.50 | 3.34 | 1,420 |   |  
            | 2/14/2008 | -1.90 / -4.53% | 40.00 | 42.00 | 40.00 | 40.00 | 40.00 | 3.22 | 1,820 |   |  |