| 
                 
                    Closing price on 3/16/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.40 | 
                 
                
                    | High | 
                    3.40 | 
                 
                
                    | Low | 
                    3.20 | 
                     
                
                    | Volume | 
                    371,930 | 
                                 
                
                    | Split-adjusted Price | 
                    3.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SBS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/16/2015
             | 
            
                -0.10 / -2.94%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.20
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.30
             |                                 
            
                371,930
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.30
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                80,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2015
             | 
            
                -0.10 / -2.86%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.30
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                72,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.30
             |                           
            
                3.50
             | 
            
                3.40
             |                     
            
                3.50
             |                                 
            
                255,906
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2015
             | 
            
                +0.10 / +2.94%
             |             
            
                3.40
             |           
            
                3.50
             |               
            
                3.30
             |                           
            
                3.50
             | 
            
                3.40
             |                     
            
                3.50
             |                                 
            
                467,920
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.50
             |               
            
                3.30
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                359,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2015
             | 
            
                -0.20 / -5.56%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.50
             |                     
            
                3.40
             |                                 
            
                335,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2015
             | 
            
                +0.10 / +2.86%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.60
             | 
            
                3.50
             |                     
            
                3.60
             |                                 
            
                1,393,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.40
             |                     
            
                3.50
             |                                 
            
                311,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2015
             | 
            
                +0.10 / +2.94%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.30
             |                           
            
                3.50
             | 
            
                3.40
             |                     
            
                3.50
             |                                 
            
                940,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2015
             | 
            
                -0.20 / -5.56%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                440,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.50
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.50
             |                                 
            
                338,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2015
             | 
            
                +0.10 / +2.94%
             |             
            
                3.50
             |           
            
                3.70
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.50
             |                                 
            
                136,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2015
             | 
            
                -0.10 / -2.86%
             |             
            
                3.60
             |           
            
                3.70
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.60
             |                     
            
                3.40
             |                                 
            
                380,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.50
             |                           
            
                3.50
             | 
            
                3.60
             |                     
            
                3.50
             |                                 
            
                308,352
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2015
             | 
            
                +0.10 / +2.86%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.60
             | 
            
                3.40
             |                     
            
                3.60
             |                                 
            
                851,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.40
             |                     
            
                3.50
             |                                 
            
                173,020
             |            
            
                 
             |                                       
         
    
        
            | 
                2/11/2015
             | 
            
                +0.10 / +2.94%
             |             
            
                3.40
             |           
            
                3.60
             |               
            
                3.30
             |                           
            
                3.50
             | 
            
                3.40
             |                     
            
                3.50
             |                                 
            
                182,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.20
             |                           
            
                3.40
             | 
            
                3.30
             |                     
            
                3.40
             |                                 
            
                395,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.60
             |               
            
                3.30
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                146,306
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2015
             | 
            
                +0.10 / +2.94%
             |             
            
                3.40
             |           
            
                3.60
             |               
            
                3.30
             |                           
            
                3.50
             | 
            
                3.40
             |                     
            
                3.50
             |                                 
            
                119,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.70
             |               
            
                3.30
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                137,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/4/2015
             | 
            
                +0.10 / +3.03%
             |             
            
                3.50
             |           
            
                3.70
             |               
            
                3.30
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                259,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.30
             |           
            
                3.60
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.50
             |                     
            
                3.30
             |                                 
            
                665,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2015
             | 
            
                -0.20 / -5.71%
             |             
            
                3.50
             |           
            
                3.80
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.30
             |                                 
            
                584,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2015
             | 
            
                -0.10 / -2.78%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.40
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.50
             |                                 
            
                198,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.50
             |                           
            
                3.60
             | 
            
                3.50
             |                     
            
                3.60
             |                                 
            
                208,350
             |            
            
                 
             |                                       
         
    
        
            | 
                1/28/2015
             | 
            
                -0.10 / -2.70%
             |             
            
                3.70
             |           
            
                3.70
             |               
            
                3.60
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                485,441
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2015
             | 
            
                -0.20 / -5.13%
             |             
            
                3.80
             |           
            
                4.10
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.70
             |                     
            
                3.70
             |                                 
            
                413,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2015
             | 
            
                +0.10 / +2.63%
             |             
            
                3.80
             |           
            
                4.10
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.80
             |                     
            
                3.90
             |                                 
            
                472,010
             |  
            
                 
             |                                                              
             
    
         
    
    
 |