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                    Closing price on 2/26/2008
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        |           
                
                    | Open | 35.00 |  
                    | High | 35.00 |  
                    | Low | 33.30 |  
                    | Volume | 1,680 |  
                    | Split-adjusted Price | 2.68 |  
                
             | 
 |  SDN Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 2/13/2008 | -0.10 / -0.24% | 40.50 | 42.00 | 40.50 | 41.90 | 41.90 | 3.37 | 1,010 |   |  			
            | 2/12/2008 | -0.10 / -0.24% | 42.00 | 42.00 | 42.00 | 42.00 | 42.00 | 3.38 | 300 |   |  
            | 2/1/2008 | -1.20 / -2.77% | 45.00 | 45.00 | 42.00 | 42.10 | 42.10 | 3.39 | 2,730 |   |  			
            | 1/31/2008 | +1.90 / +4.59% | 41.50 | 43.30 | 40.00 | 43.30 | 43.30 | 3.49 | 3,090 |   |  
            | 1/30/2008 | +1.90 / +4.81% | 41.40 | 41.40 | 41.40 | 41.40 | 41.40 | 3.33 | 520 |   |  			
            | 1/29/2008 | +0.50 / +1.28% | 39.90 | 39.90 | 39.50 | 39.50 | 39.50 | 3.18 | 3,960 |   |  
            | 1/28/2008 | +1.10 / +2.90% | 36.10 | 39.00 | 36.10 | 39.00 | 39.00 | 3.14 | 1,660 |   |  			
            | 1/25/2008 | +1.80 / +4.99% | 37.90 | 37.90 | 34.40 | 37.90 | 37.90 | 3.05 | 5,510 |   |  
            | 1/24/2008 | -1.90 / -5.00% | 36.10 | 38.00 | 36.10 | 36.10 | 36.10 | 2.91 | 14,940 |   |  			
            | 1/23/2008 | -1.90 / -4.76% | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 3.06 | 1,610 |   |  
            | 1/22/2008 | -2.10 / -5.00% | 39.90 | 41.50 | 39.90 | 39.90 | 39.90 | 3.21 | 2,100 |   |  			
            | 1/18/2008 | 0.00 / 0.00% | 42.00 | 42.00 | 40.00 | 42.00 | 42.00 | 3.38 | 3,160 |   |  
            | 1/17/2008 | -0.20 / -0.47% | 42.20 | 43.10 | 42.00 | 42.00 | 42.00 | 3.38 | 5,980 |   |  			
            | 1/16/2008 | +2.00 / +4.98% | 42.20 | 42.20 | 42.20 | 42.20 | 42.20 | 3.40 | 40 |   |  
            | 1/15/2008 | -2.10 / -4.96% | 40.20 | 40.20 | 40.20 | 40.20 | 40.20 | 3.24 | 5,110 |   |  			
            | 1/14/2008 | -2.20 / -4.94% | 42.40 | 42.50 | 42.30 | 42.30 | 42.30 | 3.41 | 3,340 |   |  
            | 1/11/2008 | -0.20 / -0.45% | 42.60 | 44.50 | 42.60 | 44.50 | 44.50 | 3.58 | 1,100 |   |  			
            | 1/10/2008 | -2.30 / -4.89% | 44.70 | 44.70 | 44.70 | 44.70 | 44.70 | 3.60 | 4,410 |   |  
            | 1/9/2008 | +2.00 / +4.44% | 45.00 | 47.00 | 43.50 | 47.00 | 47.00 | 3.79 | 1,470 |   |  			
            | 1/8/2008 | +0.30 / +0.67% | 45.00 | 45.50 | 45.00 | 45.00 | 45.00 | 3.62 | 970 |   |  
            | 1/7/2008 | -2.30 / -4.89% | 44.90 | 44.90 | 44.70 | 44.70 | 44.70 | 3.60 | 850 |   |  |