| 
                 
                    Closing price on 3/16/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    15.50 | 
                 
                
                    | High | 
                    16.10 | 
                 
                
                    | Low | 
                    15.40 | 
                     
                
                    | Volume | 
                    38,540 | 
                                 
                
                    | Split-adjusted Price | 
                    2.91 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SFI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/16/2011
             | 
            
                +0.40 / +2.56%
             |             
            
                15.50
             |           
            
                16.10
             |               
            
                15.40
             |                           
            
                16.00
             | 
            
                16.00
             |                     
            
                2.91
             |                                 
            
                38,540
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2011
             | 
            
                -0.20 / -1.27%
             |             
            
                15.40
             |           
            
                15.80
             |               
            
                15.10
             |                           
            
                15.60
             | 
            
                15.60
             |                     
            
                2.84
             |                                 
            
                24,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2011
             | 
            
                -0.80 / -4.82%
             |             
            
                16.70
             |           
            
                16.70
             |               
            
                15.80
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                2.88
             |                                 
            
                44,390
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2011
             | 
            
                +0.70 / +4.40%
             |             
            
                16.00
             |           
            
                16.60
             |               
            
                16.00
             |                           
            
                16.60
             | 
            
                16.60
             |                     
            
                3.02
             |                                 
            
                58,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2011
             | 
            
                +0.70 / +4.61%
             |             
            
                15.20
             |           
            
                15.90
             |               
            
                15.20
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                2.90
             |                                 
            
                52,780
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2011
             | 
            
                -0.60 / -3.80%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                15.20
             |                           
            
                15.20
             | 
            
                15.20
             |                     
            
                2.77
             |                                 
            
                24,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2011
             | 
            
                +0.10 / +0.64%
             |             
            
                15.40
             |           
            
                15.80
             |               
            
                15.40
             |                           
            
                15.80
             | 
            
                15.80
             |                     
            
                2.88
             |                                 
            
                13,690
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2011
             | 
            
                +0.40 / +2.61%
             |             
            
                15.80
             |           
            
                15.90
             |               
            
                15.00
             |                           
            
                15.70
             | 
            
                15.70
             |                     
            
                2.86
             |                                 
            
                23,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2011
             | 
            
                -0.10 / -0.65%
             |             
            
                15.70
             |           
            
                15.70
             |               
            
                15.20
             |                           
            
                15.30
             | 
            
                15.30
             |                     
            
                2.79
             |                                 
            
                7,440
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2011
             | 
            
                0.00 / 0.00%
             |             
            
                15.00
             |           
            
                15.90
             |               
            
                14.90
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                2.80
             |                                 
            
                20,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2011
             | 
            
                -0.70 / -4.35%
             |             
            
                15.80
             |           
            
                15.90
             |               
            
                15.30
             |                           
            
                15.40
             | 
            
                15.40
             |                     
            
                2.80
             |                                 
            
                75,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2011
             | 
            
                -0.30 / -1.83%
             |             
            
                15.90
             |           
            
                16.50
             |               
            
                15.80
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                2.93
             |                                 
            
                11,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2011
             | 
            
                -0.10 / -0.61%
             |             
            
                16.90
             |           
            
                17.00
             |               
            
                16.00
             |                           
            
                16.40
             | 
            
                16.40
             |                     
            
                2.99
             |                                 
            
                21,650
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2011
             | 
            
                +0.60 / +3.77%
             |             
            
                16.10
             |           
            
                16.60
             |               
            
                15.90
             |                           
            
                16.50
             | 
            
                16.50
             |                     
            
                3.00
             |                                 
            
                46,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2011
             | 
            
                -0.20 / -1.24%
             |             
            
                16.10
             |           
            
                16.10
             |               
            
                15.40
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                2.90
             |                                 
            
                33,040
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2011
             | 
            
                +0.60 / +3.87%
             |             
            
                15.90
             |           
            
                16.20
             |               
            
                15.20
             |                           
            
                16.10
             | 
            
                16.10
             |                     
            
                2.93
             |                                 
            
                67,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2011
             | 
            
                -0.80 / -4.91%
             |             
            
                15.70
             |           
            
                16.10
             |               
            
                15.50
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                2.82
             |                                 
            
                72,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2011
             | 
            
                -0.80 / -4.68%
             |             
            
                16.50
             |           
            
                16.50
             |               
            
                16.30
             |                           
            
                16.30
             | 
            
                16.30
             |                     
            
                2.97
             |                                 
            
                54,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2011
             | 
            
                -0.60 / -3.39%
             |             
            
                17.70
             |           
            
                17.80
             |               
            
                17.10
             |                           
            
                17.10
             | 
            
                17.10
             |                     
            
                3.11
             |                                 
            
                30,670
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2011
             | 
            
                -0.40 / -2.21%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                17.70
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                3.22
             |                                 
            
                18,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2011
             | 
            
                0.00 / 0.00%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                18.00
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                3.30
             |                                 
            
                15,780
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2011
             | 
            
                -0.20 / -1.09%
             |             
            
                18.00
             |           
            
                18.30
             |               
            
                18.00
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                3.30
             |                                 
            
                29,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2011
             | 
            
                -0.70 / -3.68%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                18.30
             |                           
            
                18.30
             | 
            
                18.30
             |                     
            
                3.33
             |                                 
            
                41,830
             |            
            
                 
             |                                       
         
    
        
            | 
                2/11/2011
             | 
            
                -0.10 / -0.52%
             |             
            
                19.30
             |           
            
                19.30
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                3.46
             |                                 
            
                2,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2011
             | 
            
                -0.40 / -2.05%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                19.10
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                3.48
             |                                 
            
                3,010
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2011
             | 
            
                -0.10 / -0.51%
             |             
            
                19.60
             |           
            
                19.70
             |               
            
                19.30
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                3.55
             |                                 
            
                20,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2011
             | 
            
                +0.60 / +3.16%
             |             
            
                19.50
             |           
            
                19.60
             |               
            
                19.50
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                3.57
             |                                 
            
                5,120
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2011
             | 
            
                -0.40 / -2.06%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                3.46
             |                                 
            
                9,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2011
             | 
            
                +0.40 / +2.11%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                19.20
             |                           
            
                19.40
             | 
            
                19.40
             |                     
            
                3.53
             |                                 
            
                20,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2011
             | 
            
                +0.10 / +0.53%
             |             
            
                19.00
             |           
            
                19.40
             |               
            
                18.90
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                3.46
             |                                 
            
                6,160
             |  
            
                 
             |                                                              
             
    
         
    
    
 |