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            | 
                    Closing price on 4/14/2009
                 |  |  
    
        |           
                
                    | Open | 17.50 |  
                    | High | 19.00 |  
                    | Low | 17.50 |  
                    | Volume | 5,240 |  
                    | Split-adjusted Price | 1.96 |  
                
             | 
 |  SDN Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 3/25/2009 | +0.10 / +0.58% | 17.40 | 17.40 | 17.00 | 17.20 | 17.20 | 1.77 | 5,040 |   |  			
            | 3/24/2009 | +0.60 / +3.64% | 16.30 | 17.10 | 16.30 | 17.10 | 17.10 | 1.76 | 4,270 |   |  
            | 3/23/2009 | -0.80 / -4.62% | 16.70 | 16.70 | 16.50 | 16.50 | 16.50 | 1.70 | 420 |   |  			
            | 3/20/2009 | 0.00 / 0.00% | 17.30 | 17.30 | 17.30 | 17.30 | 17.30 | 1.78 | 0 |   |  
            | 3/19/2009 | -0.90 / -4.95% | 17.30 | 17.30 | 17.30 | 17.30 | 17.30 | 1.78 | 540 |   |  			
            | 3/18/2009 | +0.20 / +1.11% | 18.40 | 18.60 | 18.20 | 18.20 | 18.20 | 1.87 | 5,920 |   |  
            | 3/17/2009 | +0.20 / +1.12% | 17.50 | 18.30 | 17.50 | 18.00 | 18.00 | 1.85 | 5,040 |   |  			
            | 3/16/2009 | +0.70 / +4.09% | 17.80 | 17.80 | 16.50 | 17.80 | 17.80 | 1.83 | 240 |   |  
            | 3/13/2009 | -0.80 / -4.47% | 17.10 | 17.10 | 17.10 | 17.10 | 17.10 | 1.76 | 660 |   |  			
            | 3/12/2009 | -0.30 / -1.65% | 17.30 | 18.70 | 17.30 | 17.90 | 17.90 | 1.84 | 2,560 |   |  
            | 3/11/2009 | +0.40 / +2.25% | 18.00 | 18.20 | 18.00 | 18.20 | 18.20 | 1.87 | 40 |   |  			
            | 3/10/2009 | +0.80 / +4.71% | 17.80 | 17.80 | 17.80 | 17.80 | 17.80 | 1.83 | 3,240 |   |  
            | 3/9/2009 | 0.00 / 0.00% | 16.80 | 17.00 | 16.50 | 17.00 | 17.00 | 1.75 | 2,010 |   |  			
            | 3/6/2009 | +0.70 / +4.29% | 15.60 | 17.00 | 15.60 | 17.00 | 17.00 | 1.75 | 1,460 |   |  
            | 3/5/2009 | -0.80 / -4.68% | 17.20 | 17.20 | 16.30 | 16.30 | 16.30 | 1.68 | 430 |   |  			
            | 3/4/2009 | -0.90 / -5.00% | 17.90 | 17.90 | 17.10 | 17.10 | 17.10 | 1.76 | 250 |   |  
            | 3/3/2009 | +0.70 / +4.05% | 18.10 | 18.10 | 18.00 | 18.00 | 18.00 | 1.85 | 70 |   |  |