| 
                 
                    Closing price on 8/12/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.80 | 
                 
                
                    | High | 
                    27.50 | 
                 
                
                    | Low | 
                    25.60 | 
                     
                
                    | Volume | 
                    12,300 | 
                                 
                
                    | Split-adjusted Price | 
                    5.96 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SRA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2010
             | 
            
                +2.20 / +5.67%
             |             
            
                39.00
             |           
            
                41.50
             |               
            
                39.00
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                9.55
             |                                 
            
                149,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2010
             | 
            
                -0.80 / -2.02%
             |             
            
                38.50
             |           
            
                39.60
             |               
            
                38.20
             |                           
            
                38.80
             | 
            
                38.80
             |                     
            
                9.04
             |                                 
            
                97,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2010
             | 
            
                -0.40 / -1.00%
             |             
            
                40.00
             |           
            
                41.00
             |               
            
                39.50
             |                           
            
                39.60
             | 
            
                39.60
             |                     
            
                9.22
             |                                 
            
                84,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2010
             | 
            
                -1.10 / -2.68%
             |             
            
                40.00
             |           
            
                41.40
             |               
            
                40.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                9.32
             |                                 
            
                111,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2010
             | 
            
                -0.50 / -1.20%
             |             
            
                41.20
             |           
            
                42.00
             |               
            
                40.50
             |                           
            
                41.10
             | 
            
                41.10
             |                     
            
                9.57
             |                                 
            
                58,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2010
             | 
            
                -0.40 / -0.95%
             |             
            
                42.40
             |           
            
                42.40
             |               
            
                40.00
             |                           
            
                41.60
             | 
            
                41.60
             |                     
            
                9.69
             |                                 
            
                86,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2010
             | 
            
                -0.50 / -1.18%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                41.00
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                9.78
             |                                 
            
                146,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2010
             | 
            
                +1.00 / +2.41%
             |             
            
                41.00
             |           
            
                43.00
             |               
            
                41.00
             |                           
            
                42.50
             | 
            
                42.50
             |                     
            
                9.90
             |                                 
            
                84,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2010
             | 
            
                -0.40 / -0.95%
             |             
            
                44.00
             |           
            
                44.20
             |               
            
                40.00
             |                           
            
                41.50
             | 
            
                41.50
             |                     
            
                9.67
             |                                 
            
                70,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2010
             | 
            
                -0.70 / -1.64%
             |             
            
                40.10
             |           
            
                42.90
             |               
            
                40.10
             |                           
            
                41.90
             | 
            
                41.90
             |                     
            
                9.76
             |                                 
            
                111,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2010
             | 
            
                -0.20 / -0.47%
             |             
            
                44.00
             |           
            
                44.50
             |               
            
                40.00
             |                           
            
                42.60
             | 
            
                42.60
             |                     
            
                9.92
             |                                 
            
                137,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2010
             | 
            
                -1.60 / -3.60%
             |             
            
                44.00
             |           
            
                45.40
             |               
            
                41.60
             |                           
            
                42.80
             | 
            
                42.80
             |                     
            
                9.97
             |                                 
            
                88,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2010
             | 
            
                -2.40 / -5.13%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                44.40
             |                           
            
                44.40
             | 
            
                44.40
             |                     
            
                10.34
             |                                 
            
                80,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2010
             | 
            
                +0.60 / +1.30%
             |             
            
                46.20
             |           
            
                48.40
             |               
            
                46.00
             |                           
            
                46.80
             | 
            
                46.80
             |                     
            
                10.90
             |                                 
            
                113,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2010
             | 
            
                +3.20 / +7.44%
             |             
            
                43.90
             |           
            
                46.20
             |               
            
                43.20
             |                           
            
                46.20
             | 
            
                46.20
             |                     
            
                10.76
             |                                 
            
                174,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |