| 
                 
                    Closing price on 12/21/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    32.50 | 
                 
                
                    | High | 
                    32.70 | 
                 
                
                    | Low | 
                    32.00 | 
                     
                
                    | Volume | 
                    46,900 | 
                                 
                
                    | Split-adjusted Price | 
                    14.52 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/21/2009
             | 
            
                +1.90 / +6.17%
             |             
            
                32.50
             |           
            
                32.70
             |               
            
                32.00
             |                           
            
                32.70
             | 
            
                32.70
             |                     
            
                14.52
             |                                 
            
                46,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/18/2009
             | 
            
                +2.00 / +6.94%
             |             
            
                29.00
             |           
            
                30.80
             |               
            
                29.00
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                13.68
             |                                 
            
                83,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2009
             | 
            
                -1.80 / -5.88%
             |             
            
                28.90
             |           
            
                29.90
             |               
            
                28.80
             |                           
            
                28.80
             | 
            
                28.80
             |                     
            
                12.79
             |                                 
            
                97,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2009
             | 
            
                -1.40 / -4.38%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                30.60
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                13.59
             |                                 
            
                20,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2009
             | 
            
                -2.00 / -5.88%
             |             
            
                34.20
             |           
            
                34.20
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                14.21
             |                                 
            
                29,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2009
             | 
            
                +2.10 / +6.58%
             |             
            
                30.00
             |           
            
                34.10
             |               
            
                30.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                15.10
             |                                 
            
                64,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2009
             | 
            
                -1.60 / -4.78%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                31.90
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                14.17
             |                                 
            
                47,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2009
             | 
            
                -2.30 / -6.42%
             |             
            
                35.00
             |           
            
                36.00
             |               
            
                33.30
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                14.88
             |                                 
            
                59,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2009
             | 
            
                -2.00 / -5.29%
             |             
            
                36.00
             |           
            
                36.20
             |               
            
                35.80
             |                           
            
                35.80
             | 
            
                35.80
             |                     
            
                15.90
             |                                 
            
                48,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2009
             | 
            
                -2.80 / -6.90%
             |             
            
                40.50
             |           
            
                40.50
             |               
            
                37.80
             |                           
            
                37.80
             | 
            
                37.80
             |                     
            
                16.79
             |                                 
            
                72,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2009
             | 
            
                +0.10 / +0.25%
             |             
            
                41.00
             |           
            
                41.00
             |               
            
                39.80
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                18.03
             |                                 
            
                51,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2009
             | 
            
                +0.30 / +0.75%
             |             
            
                41.50
             |           
            
                41.50
             |               
            
                40.00
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                17.99
             |                                 
            
                29,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2009
             | 
            
                +0.40 / +1.01%
             |             
            
                39.10
             |           
            
                41.00
             |               
            
                39.00
             |                           
            
                40.20
             | 
            
                40.20
             |                     
            
                17.85
             |                                 
            
                85,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2009
             | 
            
                -2.50 / -5.91%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                39.50
             |                           
            
                39.80
             | 
            
                39.80
             |                     
            
                17.68
             |                                 
            
                92,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2009
             | 
            
                +1.80 / +4.44%
             |             
            
                41.50
             |           
            
                42.30
             |               
            
                41.50
             |                           
            
                42.30
             | 
            
                42.30
             |                     
            
                18.79
             |                                 
            
                127,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2009
             | 
            
                +2.60 / +6.86%
             |             
            
                37.10
             |           
            
                40.50
             |               
            
                37.10
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                17.99
             |                                 
            
                61,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2009
             | 
            
                -1.70 / -4.29%
             |             
            
                37.00
             |           
            
                41.90
             |               
            
                37.00
             |                           
            
                37.90
             | 
            
                37.90
             |                     
            
                16.83
             |                                 
            
                215,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2009
             | 
            
                -2.30 / -5.49%
             |             
            
                39.60
             |           
            
                40.00
             |               
            
                39.60
             |                           
            
                39.60
             | 
            
                39.60
             |                     
            
                17.59
             |                                 
            
                32,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2009
             | 
            
                -2.60 / -5.84%
             |             
            
                43.10
             |           
            
                44.90
             |               
            
                41.90
             |                           
            
                41.90
             | 
            
                41.90
             |                     
            
                18.61
             |                                 
            
                108,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2009
             | 
            
                -2.50 / -5.32%
             |             
            
                47.00
             |           
            
                47.90
             |               
            
                44.30
             |                           
            
                44.50
             | 
            
                44.50
             |                     
            
                19.76
             |                                 
            
                108,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2009
             | 
            
                -3.00 / -6.00%
             |             
            
                50.50
             |           
            
                50.50
             |               
            
                47.00
             |                           
            
                47.00
             | 
            
                47.00
             |                     
            
                20.87
             |                                 
            
                106,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2009
             | 
            
                -1.10 / -2.15%
             |             
            
                50.50
             |           
            
                51.80
             |               
            
                49.30
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                22.21
             |                                 
            
                98,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2009
             | 
            
                -0.20 / -0.39%
             |             
            
                51.90
             |           
            
                52.40
             |               
            
                50.50
             |                           
            
                51.10
             | 
            
                51.10
             |                     
            
                22.69
             |                                 
            
                170,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2009
             | 
            
                -0.20 / -0.39%
             |             
            
                51.00
             |           
            
                52.00
             |               
            
                48.40
             |                           
            
                51.30
             | 
            
                51.30
             |                     
            
                22.78
             |                                 
            
                198,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2009
             | 
            
                +0.90 / +1.78%
             |             
            
                53.70
             |           
            
                53.90
             |               
            
                50.60
             |                           
            
                51.50
             | 
            
                51.50
             |                     
            
                22.87
             |                                 
            
                169,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2009
             | 
            
                +1.90 / +3.90%
             |             
            
                48.60
             |           
            
                50.60
             |               
            
                48.50
             |                           
            
                50.60
             | 
            
                50.60
             |                     
            
                22.47
             |                                 
            
                219,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2009
             | 
            
                +2.60 / +5.64%
             |             
            
                43.00
             |           
            
                48.70
             |               
            
                43.00
             |                           
            
                48.70
             | 
            
                48.70
             |                     
            
                21.63
             |                                 
            
                224,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2009
             | 
            
                +1.60 / +3.60%
             |             
            
                45.80
             |           
            
                46.10
             |               
            
                44.00
             |                           
            
                46.10
             | 
            
                46.10
             |                     
            
                20.47
             |                                 
            
                144,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2009
             | 
            
                +1.40 / +3.25%
             |             
            
                41.50
             |           
            
                44.90
             |               
            
                41.20
             |                           
            
                44.50
             | 
            
                44.50
             |                     
            
                19.76
             |                                 
            
                111,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2009
             | 
            
                -2.90 / -6.30%
             |             
            
                46.30
             |           
            
                46.30
             |               
            
                43.00
             |                           
            
                43.10
             | 
            
                43.10
             |                     
            
                19.14
             |                                 
            
                127,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |