| 
                 
                    Closing price on 10/17/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.00 | 
                 
                
                    | High | 
                    21.00 | 
                 
                
                    | Low | 
                    21.00 | 
                     
                
                    | Volume | 
                    20 | 
                                 
                
                    | Split-adjusted Price | 
                    2.07 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDN Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/17/2008
             | 
            
                +0.10 / +0.48%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                2.07
             |                                 
            
                20
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2008
             | 
            
                +0.40 / +1.95%
             |             
            
                19.50
             |           
            
                21.50
             |               
            
                19.50
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                2.06
             |                                 
            
                130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
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