| 
                 
                    Closing price on 9/6/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    21.60 | 
                 
                
                    | High | 
                    21.60 | 
                 
                
                    | Low | 
                    21.60 | 
                     
                
                    | Volume | 
                    2,900 | 
                                 
                
                    | Split-adjusted Price | 
                    5.03 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SRA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/6/2010
             | 
            
                +1.40 / +6.93%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                5.03
             |                                 
            
                2,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2010
             | 
            
                +1.30 / +6.88%
             |             
            
                20.20
             |           
            
                20.20
             |               
            
                18.90
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                4.71
             |                                 
            
                65,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2010
             | 
            
                +1.00 / +5.59%
             |             
            
                18.80
             |           
            
                18.90
             |               
            
                17.80
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                4.40
             |                                 
            
                43,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2010
             | 
            
                +0.90 / +5.29%
             |             
            
                17.50
             |           
            
                17.90
             |               
            
                17.50
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                4.17
             |                                 
            
                13,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/27/2010
             | 
            
                -0.90 / -5.03%
             |             
            
                16.90
             |           
            
                17.70
             |               
            
                16.50
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                3.96
             |                                 
            
                52,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2010
             | 
            
                -0.10 / -0.56%
             |             
            
                16.80
             |           
            
                19.00
             |               
            
                16.80
             |                           
            
                17.90
             | 
            
                17.90
             |                     
            
                4.17
             |                                 
            
                65,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2010
             | 
            
                -1.30 / -6.74%
             |             
            
                18.30
             |           
            
                18.30
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                4.19
             |                                 
            
                91,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2010
             | 
            
                -1.60 / -7.66%
             |             
            
                19.30
             |           
            
                19.50
             |               
            
                19.30
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                4.50
             |                                 
            
                56,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2010
             | 
            
                -0.60 / -2.79%
             |             
            
                20.50
             |           
            
                21.40
             |               
            
                19.60
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                4.87
             |                                 
            
                27,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2010
             | 
            
                -0.50 / -2.27%
             |             
            
                21.00
             |           
            
                21.50
             |               
            
                20.50
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                5.01
             |                                 
            
                126,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2010
             | 
            
                -1.30 / -5.58%
             |             
            
                22.60
             |           
            
                22.60
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                5.12
             |                                 
            
                71,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2010
             | 
            
                -2.20 / -8.63%
             |             
            
                25.00
             |           
            
                25.40
             |               
            
                23.30
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                5.43
             |                                 
            
                85,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2010
             | 
            
                -0.20 / -0.78%
             |             
            
                25.90
             |           
            
                25.90
             |               
            
                24.00
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                5.94
             |                                 
            
                46,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2010
             | 
            
                +0.80 / +3.21%
             |             
            
                25.00
             |           
            
                25.70
             |               
            
                25.00
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                5.99
             |                                 
            
                34,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2010
             | 
            
                -0.70 / -2.73%
             |             
            
                24.00
             |           
            
                25.00
             |               
            
                24.00
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                5.80
             |                                 
            
                47,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2010
             | 
            
                -2.20 / -7.91%
             |             
            
                25.80
             |           
            
                27.50
             |               
            
                25.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                5.96
             |                                 
            
                12,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2010
             | 
            
                -1.30 / -4.47%
             |             
            
                29.10
             |           
            
                30.00
             |               
            
                27.30
             |                           
            
                27.80
             | 
            
                27.80
             |                     
            
                6.48
             |                                 
            
                49,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2010
             | 
            
                -2.00 / -6.43%
             |             
            
                30.50
             |           
            
                31.00
             |               
            
                29.10
             |                           
            
                29.10
             | 
            
                29.10
             |                     
            
                6.78
             |                                 
            
                9,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2010
             | 
            
                -1.00 / -3.12%
             |             
            
                31.40
             |           
            
                31.40
             |               
            
                31.10
             |                           
            
                31.10
             | 
            
                31.10
             |                     
            
                7.24
             |                                 
            
                5,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2010
             | 
            
                +0.30 / +0.94%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                32.10
             |                           
            
                32.10
             | 
            
                32.10
             |                     
            
                7.48
             |                                 
            
                36,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2010
             | 
            
                +1.80 / +6.00%
             |             
            
                31.00
             |           
            
                31.80
             |               
            
                31.00
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                7.41
             |                                 
            
                24,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2010
             | 
            
                -1.70 / -5.36%
             |             
            
                31.70
             |           
            
                31.70
             |               
            
                29.40
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                6.99
             |                                 
            
                43,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2010
             | 
            
                -1.80 / -5.37%
             |             
            
                33.40
             |           
            
                33.40
             |               
            
                31.10
             |                           
            
                31.70
             | 
            
                31.70
             |                     
            
                7.38
             |                                 
            
                33,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2010
             | 
            
                -1.40 / -4.01%
             |             
            
                35.20
             |           
            
                35.20
             |               
            
                32.80
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                7.80
             |                                 
            
                15,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2010
             | 
            
                -0.10 / -0.29%
             |             
            
                35.00
             |           
            
                35.90
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                34.90
             |                     
            
                8.13
             |                                 
            
                26,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2010
             | 
            
                -0.10 / -0.28%
             |             
            
                36.50
             |           
            
                36.50
             |               
            
                33.80
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                8.15
             |                                 
            
                24,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2010
             | 
            
                -2.20 / -5.90%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                35.10
             |                           
            
                35.10
             | 
            
                35.10
             |                     
            
                8.18
             |                                 
            
                67,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2010
             | 
            
                -0.40 / -1.06%
             |             
            
                38.40
             |           
            
                39.00
             |               
            
                37.00
             |                           
            
                37.30
             | 
            
                37.30
             |                     
            
                8.69
             |                                 
            
                36,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2010
             | 
            
                -1.90 / -4.80%
             |             
            
                39.10
             |           
            
                39.10
             |               
            
                37.70
             |                           
            
                37.70
             | 
            
                37.70
             |                     
            
                8.78
             |                                 
            
                85,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2010
             | 
            
                -1.40 / -3.41%
             |             
            
                41.00
             |           
            
                41.60
             |               
            
                39.50
             |                           
            
                39.60
             | 
            
                39.60
             |                     
            
                9.22
             |                                 
            
                34,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |