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                    Closing price on 5/11/2009
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        |           
                
                    | Open | 19.20 |  
                    | High | 19.20 |  
                    | Low | 19.20 |  
                    | Volume | 7,760 |  
                    | Split-adjusted Price | 1.98 |  
                
             | 
 |  SDN Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/11/2009 | +0.90 / +4.92% | 19.20 | 19.20 | 19.20 | 19.20 | 19.20 | 1.98 | 7,760 |   |  
            | 5/8/2009 | +0.90 / +5.17% | 17.40 | 19.00 | 17.40 | 18.30 | 18.30 | 1.88 | 700 |   |  			
            | 5/7/2009 | -1.10 / -5.95% | 19.40 | 19.40 | 17.40 | 17.40 | 17.40 | 1.79 | 3,240 |   |  
            | 5/6/2009 | +0.20 / +1.09% | 17.40 | 18.50 | 17.40 | 18.50 | 18.50 | 1.90 | 100 |   |  			
            | 5/5/2009 | +0.80 / +4.57% | 18.20 | 18.30 | 17.60 | 18.30 | 18.30 | 1.88 | 6,250 |   |  
            | 5/4/2009 | +0.80 / +4.79% | 16.70 | 17.50 | 16.70 | 17.50 | 17.50 | 1.80 | 7,410 |   |  			
            | 4/29/2009 | -0.80 / -4.57% | 16.70 | 16.70 | 16.70 | 16.70 | 16.70 | 1.72 | 580 |   |  
            | 4/28/2009 | +0.60 / +3.55% | 17.50 | 17.50 | 17.50 | 17.50 | 17.50 | 1.80 | 10 |   |  			
            | 4/27/2009 | +0.80 / +4.97% | 16.90 | 16.90 | 16.90 | 16.90 | 16.90 | 1.74 | 140 |   |  
            | 4/24/2009 | -0.80 / -4.73% | 16.10 | 16.10 | 16.10 | 16.10 | 16.10 | 1.66 | 1,170 |   |  			
            | 4/23/2009 | -0.80 / -4.52% | 16.90 | 17.70 | 16.90 | 16.90 | 16.90 | 1.74 | 870 |   |  
            | 4/22/2009 | +0.70 / +4.12% | 17.80 | 17.80 | 16.20 | 17.70 | 17.70 | 1.82 | 1,780 |   |  			
            | 4/21/2009 | +0.50 / +3.03% | 15.80 | 17.00 | 15.80 | 17.00 | 17.00 | 1.75 | 1,170 |   |  
            | 4/20/2009 | -0.70 / -4.07% | 16.50 | 18.00 | 16.50 | 16.50 | 16.50 | 1.70 | 1,610 |   |  			
            | 4/17/2009 | -0.90 / -4.97% | 17.40 | 18.90 | 17.20 | 17.20 | 17.20 | 1.77 | 5,700 |   |  
            | 4/16/2009 | -0.90 / -4.74% | 19.00 | 19.00 | 18.10 | 18.10 | 18.10 | 1.86 | 5,400 |   |  			
            | 4/15/2009 | 0.00 / 0.00% | 19.00 | 19.00 | 19.00 | 19.00 | 19.00 | 1.96 | 10 |   |  
            | 4/14/2009 | +0.80 / +4.40% | 17.50 | 19.00 | 17.50 | 19.00 | 19.00 | 1.96 | 5,240 |   |  			
            | 4/13/2009 | -0.40 / -2.15% | 18.50 | 18.50 | 18.00 | 18.20 | 18.20 | 1.87 | 6,160 |   |  
            | 4/10/2009 | +0.70 / +3.91% | 17.90 | 18.60 | 17.80 | 18.60 | 18.60 | 1.91 | 5,740 |   |  			
            | 4/9/2009 | 0.00 / 0.00% | 17.90 | 17.90 | 17.90 | 17.90 | 17.90 | 1.84 | 0 |   |  
            | 4/8/2009 | 0.00 / 0.00% | 17.40 | 17.90 | 17.20 | 17.90 | 17.90 | 1.84 | 2,990 |   |  			
            | 4/7/2009 | +0.20 / +1.13% | 17.00 | 17.90 | 17.00 | 17.90 | 17.90 | 1.84 | 1,810 |   |  
            | 4/3/2009 | +0.70 / +4.12% | 17.00 | 17.70 | 16.40 | 17.70 | 17.70 | 1.82 | 1,700 |   |  			
            | 4/2/2009 | +0.10 / +0.59% | 16.60 | 17.00 | 16.60 | 17.00 | 17.00 | 1.75 | 110 |   |  
            | 4/1/2009 | +0.30 / +1.81% | 17.00 | 17.00 | 16.90 | 16.90 | 16.90 | 1.74 | 180 |   |  			
            | 3/31/2009 | -0.80 / -4.60% | 17.00 | 17.00 | 16.60 | 16.60 | 16.60 | 1.71 | 1,010 |   |  
            | 3/30/2009 | 0.00 / 0.00% | 17.40 | 17.40 | 17.40 | 17.40 | 17.40 | 1.79 | 10 |   |  			
            | 3/27/2009 | 0.00 / 0.00% | 17.60 | 17.60 | 17.40 | 17.40 | 17.40 | 1.79 | 130 |   |  
            | 3/26/2009 | +0.20 / +1.16% | 17.20 | 17.40 | 17.20 | 17.40 | 17.40 | 1.79 | 1,240 |   |  |