| 
                 
                    Closing price on 11/9/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    47.50 | 
                 
                
                    | High | 
                    47.90 | 
                 
                
                    | Low | 
                    46.00 | 
                     
                
                    | Volume | 
                    38,900 | 
                                 
                
                    | Split-adjusted Price | 
                    20.43 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/9/2009
             | 
            
                -2.50 / -5.15%
             |             
            
                47.50
             |           
            
                47.90
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.00
             |                     
            
                20.43
             |                                 
            
                38,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2009
             | 
            
                +0.60 / +1.25%
             |             
            
                49.80
             |           
            
                49.90
             |               
            
                47.10
             |                           
            
                48.50
             | 
            
                48.50
             |                     
            
                21.54
             |                                 
            
                203,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2009
             | 
            
                +2.50 / +5.51%
             |             
            
                44.00
             |           
            
                48.50
             |               
            
                44.00
             |                           
            
                47.90
             | 
            
                47.90
             |                     
            
                21.27
             |                                 
            
                256,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2009
             | 
            
                -3.00 / -6.20%
             |             
            
                45.40
             |           
            
                48.30
             |               
            
                45.40
             |                           
            
                45.40
             | 
            
                45.40
             |                     
            
                20.16
             |                                 
            
                173,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2009
             | 
            
                -3.50 / -6.74%
             |             
            
                51.90
             |           
            
                52.10
             |               
            
                48.40
             |                           
            
                48.40
             | 
            
                48.40
             |                     
            
                21.50
             |                                 
            
                78,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2009
             | 
            
                -4.10 / -7.32%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                51.90
             |                           
            
                51.90
             | 
            
                51.90
             |                     
            
                23.05
             |                                 
            
                59,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2009
             | 
            
                +3.50 / +6.67%
             |             
            
                56.00
             |           
            
                56.40
             |               
            
                53.10
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                24.87
             |                                 
            
                241,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2009
             | 
            
                -4.50 / -7.89%
             |             
            
                56.40
             |           
            
                56.40
             |               
            
                52.50
             |                           
            
                52.50
             | 
            
                52.50
             |                     
            
                23.32
             |                                 
            
                129,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2009
             | 
            
                +3.00 / +5.56%
             |             
            
                50.20
             |           
            
                57.40
             |               
            
                50.20
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                25.32
             |                                 
            
                255,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2009
             | 
            
                -2.30 / -4.09%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                53.60
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                23.98
             |                                 
            
                204,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2009
             | 
            
                -3.40 / -5.70%
             |             
            
                59.80
             |           
            
                59.90
             |               
            
                56.30
             |                           
            
                56.30
             | 
            
                56.30
             |                     
            
                25.00
             |                                 
            
                138,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2009
             | 
            
                -4.00 / -6.28%
             |             
            
                63.80
             |           
            
                65.60
             |               
            
                59.70
             |                           
            
                59.70
             | 
            
                59.70
             |                     
            
                26.51
             |                                 
            
                248,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2009
             | 
            
                -4.30 / -6.32%
             |             
            
                63.70
             |           
            
                68.00
             |               
            
                63.70
             |                           
            
                63.70
             | 
            
                63.70
             |                     
            
                28.29
             |                                 
            
                400,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2009
             | 
            
                -2.50 / -3.55%
             |             
            
                71.50
             |           
            
                71.50
             |               
            
                66.50
             |                           
            
                68.00
             | 
            
                68.00
             |                     
            
                30.20
             |                                 
            
                262,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2009
             | 
            
                -1.50 / -2.08%
             |             
            
                75.00
             |           
            
                75.00
             |               
            
                69.00
             |                           
            
                70.50
             | 
            
                70.50
             |                     
            
                31.31
             |                                 
            
                242,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2009
             | 
            
                +1.50 / +2.13%
             |             
            
                65.70
             |           
            
                75.50
             |               
            
                65.70
             |                           
            
                72.00
             | 
            
                72.00
             |                     
            
                31.98
             |                                 
            
                500,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2009
             | 
            
                -3.00 / -4.08%
             |             
            
                72.90
             |           
            
                72.90
             |               
            
                70.50
             |                           
            
                70.50
             | 
            
                70.50
             |                     
            
                31.31
             |                                 
            
                197,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2009
             | 
            
                +1.20 / +1.66%
             |             
            
                77.00
             |           
            
                77.00
             |               
            
                73.00
             |                           
            
                73.50
             | 
            
                73.50
             |                     
            
                32.64
             |                                 
            
                616,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2009
             | 
            
                +4.70 / +6.95%
             |             
            
                72.30
             |           
            
                72.30
             |               
            
                69.00
             |                           
            
                72.30
             | 
            
                72.30
             |                     
            
                32.11
             |                                 
            
                605,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2009
             | 
            
                +4.40 / +6.96%
             |             
            
                67.60
             |           
            
                67.60
             |               
            
                67.60
             |                           
            
                67.60
             | 
            
                67.60
             |                     
            
                30.02
             |                                 
            
                268,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2009
             | 
            
                +4.10 / +6.94%
             |             
            
                63.20
             |           
            
                63.20
             |               
            
                63.20
             |                           
            
                63.20
             | 
            
                63.20
             |                     
            
                28.07
             |                                 
            
                21,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2009
             | 
            
                +1.10 / +1.90%
             |             
            
                59.10
             |           
            
                59.10
             |               
            
                59.00
             |                           
            
                59.10
             | 
            
                59.10
             |                     
            
                26.25
             |                                 
            
                194,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2009
             | 
            
                +1.70 / +3.02%
             |             
            
                54.00
             |           
            
                58.30
             |               
            
                53.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                25.76
             |                                 
            
                545,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2009
             | 
            
                +3.60 / +6.83%
             |             
            
                56.30
             |           
            
                56.30
             |               
            
                50.00
             |                           
            
                56.30
             | 
            
                56.30
             |                     
            
                25.00
             |                                 
            
                586,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2009
             | 
            
                +3.40 / +6.90%
             |             
            
                52.70
             |           
            
                52.70
             |               
            
                52.00
             |                           
            
                52.70
             | 
            
                52.70
             |                     
            
                23.41
             |                                 
            
                405,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2009
             | 
            
                -1.20 / -2.38%
             |             
            
                48.50
             |           
            
                49.30
             |               
            
                48.50
             |                           
            
                49.30
             | 
            
                49.30
             |                     
            
                21.90
             |                                 
            
                457,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2009
             | 
            
                +2.70 / +5.65%
             |             
            
                50.00
             |           
            
                50.90
             |               
            
                44.30
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                21.95
             |                                 
            
                480,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2009
             | 
            
                +2.50 / +5.52%
             |             
            
                45.50
             |           
            
                47.80
             |               
            
                45.00
             |                           
            
                47.80
             | 
            
                47.80
             |                     
            
                20.78
             |                                 
            
                596,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2009
             | 
            
                +2.80 / +6.59%
             |             
            
                42.00
             |           
            
                45.30
             |               
            
                42.00
             |                           
            
                45.30
             | 
            
                45.30
             |                     
            
                19.69
             |                                 
            
                566,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2009
             | 
            
                -0.20 / -0.47%
             |             
            
                45.50
             |           
            
                46.00
             |               
            
                41.50
             |                           
            
                42.50
             | 
            
                42.50
             |                     
            
                18.47
             |                                 
            
                148,600
             |  
            
                 
             |                                                              
             
    
         
    
    
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