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                    Closing price on 10/15/2008
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                    | Open | 19.10 |  
                    | High | 20.50 |  
                    | Low | 19.00 |  
                    | Volume | 450 |  
                    | Split-adjusted Price | 2.02 |  
                
             | 
 |  SDN Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/15/2008 | +0.60 / +3.02% | 19.10 | 20.50 | 19.00 | 20.50 | 20.50 | 2.02 | 450 |   |  
            | 10/14/2008 | +0.90 / +4.74% | 19.90 | 19.90 | 19.90 | 19.90 | 19.90 | 1.96 | 990 |   |  			
            | 10/13/2008 | -0.90 / -4.52% | 19.00 | 19.00 | 19.00 | 19.00 | 19.00 | 1.87 | 350 |   |  
            | 10/10/2008 | -1.00 / -4.78% | 20.00 | 20.00 | 19.90 | 19.90 | 19.90 | 1.96 | 690 |   |  			
            | 10/9/2008 | -1.10 / -5.00% | 20.90 | 20.90 | 20.90 | 20.90 | 20.90 | 2.06 | 1,750 |   |  
            | 10/8/2008 | -1.10 / -4.76% | 22.00 | 22.00 | 22.00 | 22.00 | 22.00 | 2.16 | 10 |   |  			
            | 10/7/2008 | -1.20 / -4.94% | 23.10 | 23.10 | 23.10 | 23.10 | 23.10 | 2.27 | 100 |   |  
            | 10/6/2008 | +0.70 / +2.97% | 22.50 | 24.30 | 22.50 | 24.30 | 24.30 | 2.39 | 330 |   |  			
            | 10/3/2008 | -1.20 / -4.84% | 23.60 | 23.60 | 23.60 | 23.60 | 23.60 | 2.32 | 600 |   |  
            | 10/2/2008 | -1.00 / -3.88% | 25.80 | 25.80 | 24.80 | 24.80 | 24.80 | 2.44 | 600 |   |  			
            | 10/1/2008 | +0.30 / +1.18% | 24.30 | 26.00 | 24.30 | 25.80 | 25.80 | 2.54 | 860 |   |  
            | 9/30/2008 | -0.40 / -1.54% | 27.10 | 27.10 | 24.70 | 25.50 | 25.50 | 2.51 | 3,140 |   |  			
            | 9/29/2008 | +0.80 / +3.19% | 26.00 | 26.00 | 25.90 | 25.90 | 25.90 | 2.55 | 110 |   |  
            | 9/26/2008 | -0.10 / -0.40% | 25.00 | 25.70 | 25.00 | 25.10 | 25.10 | 2.47 | 1,090 |   |  			
            | 9/25/2008 | -1.30 / -4.91% | 25.20 | 25.20 | 25.20 | 25.20 | 25.20 | 2.48 | 370 |   |  
            | 9/24/2008 | +1.20 / +4.74% | 26.50 | 26.50 | 26.50 | 26.50 | 26.50 | 2.61 | 10 |   |  			
            | 9/23/2008 | -1.30 / -4.89% | 27.80 | 27.80 | 25.30 | 25.30 | 25.30 | 2.49 | 1,810 |   |  
            | 9/22/2008 | +1.20 / +4.72% | 25.40 | 26.60 | 25.40 | 26.60 | 26.60 | 2.62 | 14,720 |   |  			
            | 9/19/2008 | +1.20 / +4.96% | 25.40 | 25.40 | 23.50 | 25.40 | 25.40 | 2.50 | 1,200 |   |  
            | 9/18/2008 | -1.20 / -4.72% | 24.20 | 24.20 | 24.20 | 24.20 | 24.20 | 2.38 | 10 |   |  			
            | 9/17/2008 | -1.30 / -4.87% | 25.40 | 25.40 | 25.40 | 25.40 | 25.40 | 2.50 | 820 |   |  
            | 9/16/2008 | -0.10 / -0.37% | 26.80 | 26.80 | 25.50 | 26.70 | 26.70 | 2.63 | 220 |   |  			
            | 9/15/2008 | +1.20 / +4.69% | 26.80 | 26.80 | 26.80 | 26.80 | 26.80 | 2.64 | 30 |   |  
            | 9/12/2008 | -1.30 / -4.83% | 25.60 | 25.60 | 25.60 | 25.60 | 25.60 | 2.52 | 10 |   |  			
            | 9/11/2008 | +0.90 / +3.46% | 26.00 | 26.90 | 26.00 | 26.90 | 26.90 | 2.65 | 1,270 |   |  
            | 9/10/2008 | +0.80 / +3.17% | 26.40 | 26.40 | 25.20 | 26.00 | 26.00 | 2.56 | 9,250 |   |  			
            | 9/9/2008 | +1.20 / +5.00% | 24.50 | 25.20 | 24.50 | 25.20 | 25.20 | 2.48 | 7,500 |   |  
            | 9/8/2008 | +0.10 / +0.42% | 22.80 | 24.00 | 22.80 | 24.00 | 24.00 | 2.36 | 1,870 |   |  			
            | 9/5/2008 | +0.40 / +1.70% | 22.40 | 24.00 | 22.40 | 23.90 | 23.90 | 2.35 | 1,640 |   |  
            | 9/4/2008 | +0.60 / +2.62% | 24.00 | 24.00 | 23.50 | 23.50 | 23.50 | 2.31 | 810 |   |  |