| 
                 
                    Closing price on 10/6/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    52.70 | 
                 
                
                    | High | 
                    52.70 | 
                 
                
                    | Low | 
                    52.00 | 
                     
                
                    | Volume | 
                    405,400 | 
                                 
                
                    | Split-adjusted Price | 
                    23.41 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2009
             | 
            
                +1.80 / +4.40%
             |             
            
                43.20
             |           
            
                43.20
             |               
            
                42.00
             |                           
            
                42.70
             | 
            
                42.70
             |                     
            
                18.56
             |                                 
            
                256,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2009
             | 
            
                +3.10 / +8.20%
             |             
            
                37.60
             |           
            
                40.90
             |               
            
                37.40
             |                           
            
                40.90
             | 
            
                40.90
             |                     
            
                17.78
             |                                 
            
                437,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2009
             | 
            
                -1.00 / -2.58%
             |             
            
                41.00
             |           
            
                41.00
             |               
            
                37.80
             |                           
            
                37.80
             | 
            
                37.80
             |                     
            
                16.43
             |                                 
            
                195,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2009
             | 
            
                +0.60 / +1.57%
             |             
            
                39.00
             |           
            
                40.60
             |               
            
                38.50
             |                           
            
                38.80
             | 
            
                38.80
             |                     
            
                16.87
             |                                 
            
                443,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2009
             | 
            
                +0.80 / +2.14%
             |             
            
                37.00
             |           
            
                39.00
             |               
            
                35.80
             |                           
            
                38.20
             | 
            
                38.20
             |                     
            
                16.61
             |                                 
            
                253,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2009
             | 
            
                +2.20 / +6.25%
             |             
            
                36.30
             |           
            
                37.40
             |               
            
                36.10
             |                           
            
                37.40
             | 
            
                37.40
             |                     
            
                16.26
             |                                 
            
                315,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2009
             | 
            
                +0.90 / +2.62%
             |             
            
                34.50
             |           
            
                35.50
             |               
            
                34.30
             |                           
            
                35.20
             | 
            
                35.20
             |                     
            
                15.30
             |                                 
            
                88,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2009
             | 
            
                -0.70 / -2.00%
             |             
            
                34.20
             |           
            
                34.90
             |               
            
                33.80
             |                           
            
                34.30
             | 
            
                34.30
             |                     
            
                14.91
             |                                 
            
                53,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/16/2009
             | 
            
                -1.50 / -4.11%
             |             
            
                36.70
             |           
            
                37.00
             |               
            
                34.90
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                15.21
             |                                 
            
                109,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/15/2009
             | 
            
                +1.10 / +3.11%
             |             
            
                37.00
             |           
            
                37.30
             |               
            
                35.40
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                15.87
             |                                 
            
                181,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2009
             | 
            
                +2.30 / +6.95%
             |             
            
                33.50
             |           
            
                35.40
             |               
            
                33.50
             |                           
            
                35.40
             | 
            
                35.40
             |                     
            
                15.39
             |                                 
            
                261,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2009
             | 
            
                +0.10 / +0.30%
             |             
            
                33.50
             |           
            
                33.80
             |               
            
                32.70
             |                           
            
                33.10
             | 
            
                33.10
             |                     
            
                14.39
             |                                 
            
                40,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2009
             | 
            
                +0.30 / +0.92%
             |             
            
                32.80
             |           
            
                33.00
             |               
            
                32.10
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                14.35
             |                                 
            
                82,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/9/2009
             | 
            
                -0.80 / -2.39%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                32.10
             |                           
            
                32.70
             | 
            
                32.70
             |                     
            
                14.21
             |                                 
            
                66,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/8/2009
             | 
            
                +1.00 / +3.08%
             |             
            
                32.80
             |           
            
                33.50
             |               
            
                32.60
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                14.56
             |                                 
            
                48,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2009
             | 
            
                -0.50 / -1.52%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                31.20
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                14.13
             |                                 
            
                55,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/4/2009
             | 
            
                -1.70 / -4.90%
             |             
            
                34.00
             |           
            
                35.00
             |               
            
                32.60
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                14.35
             |                                 
            
                149,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/3/2009
             | 
            
                -1.70 / -4.67%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                34.50
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                15.08
             |                                 
            
                121,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2009
             | 
            
                -0.10 / -0.27%
             |             
            
                38.50
             |           
            
                38.50
             |               
            
                36.00
             |                           
            
                36.40
             | 
            
                36.40
             |                     
            
                15.82
             |                                 
            
                139,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2009
             | 
            
                +2.10 / +6.10%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                35.00
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                15.87
             |                                 
            
                123,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2009
             | 
            
                +2.10 / +6.50%
             |             
            
                33.00
             |           
            
                34.40
             |               
            
                32.90
             |                           
            
                34.40
             | 
            
                34.40
             |                     
            
                14.95
             |                                 
            
                329,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2009
             | 
            
                -0.10 / -0.31%
             |             
            
                32.50
             |           
            
                32.60
             |               
            
                31.50
             |                           
            
                32.30
             | 
            
                32.30
             |                     
            
                14.04
             |                                 
            
                69,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2009
             | 
            
                +0.40 / +1.25%
             |             
            
                33.00
             |           
            
                33.10
             |               
            
                32.00
             |                           
            
                32.40
             | 
            
                32.40
             |                     
            
                14.08
             |                                 
            
                91,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2009
             | 
            
                -0.90 / -2.74%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                31.60
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                13.91
             |                                 
            
                37,900
             |  
            
                 
             |                                                              
             
    
         
    
    
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