| 
                 
                    Closing price on 6/21/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    41.40 | 
                 
                
                    | High | 
                    41.40 | 
                 
                
                    | Low | 
                    41.40 | 
                     
                
                    | Volume | 
                    25,200 | 
                                 
                
                    | Split-adjusted Price | 
                    9.64 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SRA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/21/2010
             | 
            
                +2.40 / +6.15%
             |             
            
                41.40
             |           
            
                41.40
             |               
            
                41.40
             |                           
            
                41.40
             | 
            
                41.40
             |                     
            
                9.64
             |                                 
            
                25,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2010
             | 
            
                +1.80 / +4.84%
             |             
            
                36.50
             |           
            
                39.00
             |               
            
                36.50
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                9.09
             |                                 
            
                147,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2010
             | 
            
                +0.20 / +0.54%
             |             
            
                37.00
             |           
            
                39.10
             |               
            
                34.20
             |                           
            
                37.20
             | 
            
                37.20
             |                     
            
                8.67
             |                                 
            
                181,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2010
             | 
            
                +1.60 / +4.52%
             |             
            
                35.80
             |           
            
                37.90
             |               
            
                35.50
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                8.62
             |                                 
            
                169,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2010
             | 
            
                -1.60 / -4.32%
             |             
            
                34.80
             |           
            
                36.50
             |               
            
                34.80
             |                           
            
                35.40
             | 
            
                35.40
             |                     
            
                8.25
             |                                 
            
                142,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2010
             | 
            
                -1.40 / -3.65%
             |             
            
                38.00
             |           
            
                39.20
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                8.62
             |                                 
            
                115,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2010
             | 
            
                +0.30 / +0.79%
             |             
            
                40.00
             |           
            
                40.70
             |               
            
                38.00
             |                           
            
                38.40
             | 
            
                38.40
             |                     
            
                8.95
             |                                 
            
                154,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2010
             | 
            
                +2.40 / +6.72%
             |             
            
                37.80
             |           
            
                38.10
             |               
            
                37.00
             |                           
            
                38.10
             | 
            
                38.10
             |                     
            
                8.88
             |                                 
            
                143,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2010
             | 
            
                +1.20 / +3.48%
             |             
            
                33.50
             |           
            
                35.70
             |               
            
                33.50
             |                           
            
                35.70
             | 
            
                35.70
             |                     
            
                8.32
             |                                 
            
                194,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2010
             | 
            
                +2.50 / +7.81%
             |             
            
                30.70
             |           
            
                34.50
             |               
            
                30.70
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                8.04
             |                                 
            
                182,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2010
             | 
            
                -2.40 / -6.98%
             |             
            
                34.50
             |           
            
                36.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                7.45
             |                                 
            
                66,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2010
             | 
            
                +2.20 / +6.83%
             |             
            
                34.40
             |           
            
                34.40
             |               
            
                33.70
             |                           
            
                34.40
             | 
            
                34.40
             |                     
            
                8.01
             |                                 
            
                163,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2010
             | 
            
                +2.00 / +6.62%
             |             
            
                32.20
             |           
            
                32.20
             |               
            
                32.00
             |                           
            
                32.20
             | 
            
                32.20
             |                     
            
                7.50
             |                                 
            
                105,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2010
             | 
            
                +1.10 / +3.78%
             |             
            
                28.50
             |           
            
                30.20
             |               
            
                28.10
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                7.04
             |                                 
            
                104,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2010
             | 
            
                -0.80 / -2.68%
             |             
            
                28.00
             |           
            
                32.00
             |               
            
                28.00
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                6.78
             |                                 
            
                151,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2010
             | 
            
                -1.60 / -5.08%
             |             
            
                31.80
             |           
            
                32.10
             |               
            
                29.90
             |                           
            
                29.90
             | 
            
                29.90
             |                     
            
                6.97
             |                                 
            
                42,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2010
             | 
            
                -1.30 / -3.96%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                31.40
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                7.34
             |                                 
            
                80,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2010
             | 
            
                -0.10 / -0.30%
             |             
            
                34.80
             |           
            
                34.90
             |               
            
                31.50
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                7.64
             |                                 
            
                75,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2010
             | 
            
                +2.00 / +6.47%
             |             
            
                32.00
             |           
            
                32.90
             |               
            
                32.00
             |                           
            
                32.90
             | 
            
                32.90
             |                     
            
                7.66
             |                                 
            
                74,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2010
             | 
            
                +0.70 / +2.32%
             |             
            
                29.20
             |           
            
                31.40
             |               
            
                28.00
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                7.20
             |                                 
            
                186,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2010
             | 
            
                +0.40 / +1.34%
             |             
            
                31.20
             |           
            
                31.80
             |               
            
                27.80
             |                           
            
                30.20
             | 
            
                30.20
             |                     
            
                7.04
             |                                 
            
                129,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2010
             | 
            
                -2.20 / -6.88%
             |             
            
                29.80
             |           
            
                29.80
             |               
            
                29.80
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                6.94
             |                                 
            
                11,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2010
             | 
            
                -1.00 / -3.03%
             |             
            
                33.70
             |           
            
                33.70
             |               
            
                31.40
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                7.45
             |                                 
            
                98,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2010
             | 
            
                +0.40 / +1.23%
             |             
            
                34.20
             |           
            
                34.20
             |               
            
                32.20
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                7.69
             |                                 
            
                155,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2010
             | 
            
                +0.80 / +2.52%
             |             
            
                31.00
             |           
            
                32.60
             |               
            
                30.50
             |                           
            
                32.60
             | 
            
                32.60
             |                     
            
                7.59
             |                                 
            
                162,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2010
             | 
            
                +0.90 / +2.91%
             |             
            
                30.00
             |           
            
                32.00
             |               
            
                30.00
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                7.41
             |                                 
            
                129,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2010
             | 
            
                +0.30 / +0.98%
             |             
            
                30.50
             |           
            
                30.90
             |               
            
                28.40
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                7.20
             |                                 
            
                91,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2010
             | 
            
                +2.00 / +6.99%
             |             
            
                30.60
             |           
            
                30.60
             |               
            
                28.60
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                7.13
             |                                 
            
                77,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2010
             | 
            
                +1.80 / +6.72%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                28.00
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                6.66
             |                                 
            
                181,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2010
             | 
            
                +1.70 / +6.77%
             |             
            
                26.80
             |           
            
                26.80
             |               
            
                26.80
             |                           
            
                26.80
             | 
            
                26.80
             |                     
            
                6.24
             |                                 
            
                18,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |