| 
                 
                    Closing price on 9/11/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    33.50 | 
                 
                
                    | High | 
                    33.80 | 
                 
                
                    | Low | 
                    32.70 | 
                     
                
                    | Volume | 
                    40,200 | 
                                 
                
                    | Split-adjusted Price | 
                    14.39 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2009
             | 
            
                +1.50 / +4.78%
             |             
            
                32.50
             |           
            
                32.90
             |               
            
                32.10
             |                           
            
                32.90
             | 
            
                32.90
             |                     
            
                14.30
             |                                 
            
                135,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2009
             | 
            
                +0.70 / +2.28%
             |             
            
                32.50
             |           
            
                32.70
             |               
            
                30.60
             |                           
            
                31.40
             | 
            
                31.40
             |                     
            
                13.65
             |                                 
            
                177,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2009
             | 
            
                +0.40 / +1.32%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.50
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                13.35
             |                                 
            
                69,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2009
             | 
            
                +0.10 / +0.33%
             |             
            
                30.00
             |           
            
                31.00
             |               
            
                30.00
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                13.17
             |                                 
            
                56,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2009
             | 
            
                0.00 / 0.00%
             |             
            
                30.00
             |           
            
                30.20
             |               
            
                29.00
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                13.13
             |                                 
            
                48,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2009
             | 
            
                -0.20 / -0.66%
             |             
            
                29.90
             |           
            
                31.20
             |               
            
                29.00
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                13.13
             |                                 
            
                59,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2009
             | 
            
                +0.10 / +0.33%
             |             
            
                29.60
             |           
            
                30.50
             |               
            
                29.40
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                13.21
             |                                 
            
                62,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2009
             | 
            
                -1.70 / -5.31%
             |             
            
                32.00
             |           
            
                33.90
             |               
            
                30.00
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                13.17
             |                                 
            
                68,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2009
             | 
            
                +1.20 / +3.90%
             |             
            
                32.20
             |           
            
                32.30
             |               
            
                31.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                13.91
             |                                 
            
                209,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2009
             | 
            
                +1.80 / +6.21%
             |             
            
                29.00
             |           
            
                30.80
             |               
            
                29.00
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                13.39
             |                                 
            
                117,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2009
             | 
            
                +0.90 / +3.20%
             |             
            
                28.50
             |           
            
                29.30
             |               
            
                28.50
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                12.61
             |                                 
            
                80,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2009
             | 
            
                +0.20 / +0.72%
             |             
            
                27.00
             |           
            
                28.30
             |               
            
                27.00
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                12.22
             |                                 
            
                14,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2009
             | 
            
                -0.10 / -0.36%
             |             
            
                28.50
             |           
            
                28.80
             |               
            
                27.50
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                12.13
             |                                 
            
                51,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2009
             | 
            
                -0.50 / -1.75%
             |             
            
                28.10
             |           
            
                28.20
             |               
            
                27.50
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                12.17
             |                                 
            
                25,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2009
             | 
            
                +0.70 / +2.52%
             |             
            
                28.10
             |           
            
                28.60
             |               
            
                27.80
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                12.39
             |                                 
            
                44,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2009
             | 
            
                -0.80 / -2.80%
             |             
            
                28.00
             |           
            
                28.90
             |               
            
                27.70
             |                           
            
                27.80
             | 
            
                27.80
             |                     
            
                12.08
             |                                 
            
                16,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2009
             | 
            
                +1.90 / +7.12%
             |             
            
                28.00
             |           
            
                28.60
             |               
            
                27.90
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                12.43
             |                                 
            
                53,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |