| 
                 
                    Closing price on 1/31/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.30 | 
                 
                
                    | High | 
                    6.70 | 
                 
                
                    | Low | 
                    6.30 | 
                     
                
                    | Volume | 
                    271,680 | 
                                 
                
                    | Split-adjusted Price | 
                    2.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SBA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/31/2013
             | 
            
                +0.10 / +1.59%
             |             
            
                6.30
             |           
            
                6.70
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                2.40
             |                                 
            
                271,680
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2013
             | 
            
                +0.10 / +1.61%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                6.10
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                2.36
             |                                 
            
                104,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2013
             | 
            
                -0.10 / -1.59%
             |             
            
                6.00
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                2.32
             |                                 
            
                15,910
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2013
             | 
            
                +0.30 / +5.00%
             |             
            
                6.10
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                2.36
             |                                 
            
                143,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2013
             | 
            
                +0.30 / +5.26%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.90
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                2.25
             |                                 
            
                391,370
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2013
             | 
            
                +0.30 / +5.56%
             |             
            
                5.50
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.13
             |                                 
            
                78,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2013
             | 
            
                -0.30 / -5.26%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.02
             |                                 
            
                65,930
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2013
             | 
            
                -0.20 / -3.39%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.13
             |                                 
            
                280,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.21
             |                                 
            
                67,940
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2013
             | 
            
                +0.20 / +3.51%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.60
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                2.21
             |                                 
            
                415,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2013
             | 
            
                +0.30 / +5.56%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                2.13
             |                                 
            
                133,470
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2013
             | 
            
                +0.30 / +5.88%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.02
             |                                 
            
                199,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2013
             | 
            
                +0.30 / +6.25%
             |             
            
                4.80
             |           
            
                5.10
             |               
            
                4.80
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                1.91
             |                                 
            
                69,140
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2013
             | 
            
                +0.20 / +4.35%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                1.80
             |                                 
            
                130,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.72
             |                                 
            
                61,670
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.72
             |                                 
            
                2,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2013
             | 
            
                -0.20 / -4.17%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.72
             |                                 
            
                15,850
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                1.80
             |                                 
            
                25,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                1.80
             |                                 
            
                73,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2013
             | 
            
                +0.10 / +2.13%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                1.80
             |                                 
            
                17,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.76
             |                                 
            
                14,460
             |            
            
                 
             |                                       
         
    
        
            | 
                1/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.76
             |                                 
            
                11,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.76
             |                                 
            
                34,440
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2012
             | 
            
                +0.10 / +2.17%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.76
             |                                 
            
                11,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2012
             | 
            
                +0.20 / +4.55%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.72
             |                                 
            
                1,260
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.65
             |                                 
            
                13,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.65
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2012
             | 
            
                +0.10 / +2.33%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.65
             |                                 
            
                120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2012
             | 
            
                -0.20 / -4.44%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.61
             |                                 
            
                4,570
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2012
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.68
             |                                 
            
                13,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |