| 
                 
                    Closing price on 2/20/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.30 | 
                 
                
                    | High | 
                    7.50 | 
                 
                
                    | Low | 
                    7.30 | 
                     
                
                    | Volume | 
                    13,300 | 
                                 
                
                    | Split-adjusted Price | 
                    2.21 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SED Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/20/2012
             | 
            
                +0.10 / +1.39%
             |             
            
                7.30
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                2.21
             |                                 
            
                13,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2012
             | 
            
                +0.10 / +1.41%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.18
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2012
             | 
            
                -0.10 / -1.39%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.15
             |                                 
            
                6,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.18
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2012
             | 
            
                +0.20 / +2.86%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.18
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2012
             | 
            
                +0.20 / +2.94%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                2.12
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2012
             | 
            
                -0.30 / -4.23%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.06
             |                                 
            
                14,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2012
             | 
            
                -0.40 / -5.33%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                2.15
             |                                 
            
                24,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2012
             | 
            
                -0.20 / -2.60%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.27
             |                                 
            
                4,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2012
             | 
            
                -0.40 / -4.94%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                2.33
             |                                 
            
                1,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2012
             | 
            
                +0.10 / +1.25%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                2.45
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2012
             | 
            
                +0.10 / +1.27%
             |             
            
                8.10
             |           
            
                8.30
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.42
             |                                 
            
                8,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2012
             | 
            
                +0.10 / +1.28%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                2.39
             |                                 
            
                11,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.36
             |                                 
            
                6,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2012
             | 
            
                -0.30 / -3.70%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.36
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2012
             | 
            
                +0.10 / +1.25%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                2.45
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.42
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2012
             | 
            
                +0.20 / +2.56%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                2.42
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.36
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2012
             | 
            
                +0.30 / +4.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                2.36
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2012
             | 
            
                +0.30 / +4.17%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                2.27
             |                                 
            
                13,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2012
             | 
            
                +0.40 / +5.88%
             |             
            
                6.80
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                2.18
             |                                 
            
                17,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2012
             | 
            
                -0.10 / -1.45%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.06
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2012
             | 
            
                +0.10 / +1.47%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                2.09
             |                                 
            
                700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.06
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.06
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2012
             | 
            
                +0.30 / +4.62%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                2.06
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2012
             | 
            
                -0.20 / -2.99%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                1.97
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.70
             |           
            
                6.70
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.03
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2012
             | 
            
                -0.20 / -2.90%
             |             
            
                6.80
             |           
            
                6.80
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                2.03
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |