| 
                 
                    Closing price on 5/9/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.00 | 
                 
                
                    | High | 
                    4.40 | 
                 
                
                    | Low | 
                    4.00 | 
                     
                
                    | Volume | 
                    12,600 | 
                                 
                
                    | Split-adjusted Price | 
                    4.40 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/9/2012
             | 
            
                +0.20 / +4.76%
             |             
            
                4.00
             |           
            
                4.40
             |               
            
                4.00
             |                           
            
                4.40
             | 
            
                4.20
             |                     
            
                4.40
             |                                 
            
                12,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2012
             | 
            
                +0.20 / +5.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.20
             |                                 
            
                12,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.90
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                3.95
             |                     
            
                4.00
             |                                 
            
                20,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2012
             | 
            
                +0.20 / +5.56%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                3.80
             |                                 
            
                12,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.60
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.70
             |           
            
                3.70
             |               
            
                3.60
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2012
             | 
            
                +0.20 / +5.88%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.50
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                7,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2012
             | 
            
                -0.20 / -5.56%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.60
             |                     
            
                3.40
             |                                 
            
                8,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.60
             | 
            
                3.40
             |                     
            
                3.60
             |                                 
            
                1,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.40
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                1,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.50
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2012
             | 
            
                -0.10 / -2.70%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.50
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2012
             | 
            
                -0.10 / -2.63%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.70
             |                           
            
                3.70
             | 
            
                3.80
             |                     
            
                3.70
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2012
             | 
            
                +0.20 / +5.56%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.80
             | 
            
                3.70
             |                     
            
                3.80
             |                                 
            
                3,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2012
             | 
            
                +0.20 / +5.88%
             |             
            
                3.40
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.60
             | 
            
                3.50
             |                     
            
                3.60
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.40
             |               
            
                3.10
             |                           
            
                3.40
             | 
            
                3.25
             |                     
            
                3.40
             |                                 
            
                6,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                9,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2012
             | 
            
                -0.10 / -3.03%
             |             
            
                3.30
             |           
            
                3.50
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                14,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2012
             | 
            
                -0.20 / -5.71%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.35
             |                     
            
                3.30
             |                                 
            
                9,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2012
             | 
            
                -0.20 / -5.41%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.50
             |                           
            
                3.50
             | 
            
                3.70
             |                     
            
                3.50
             |                                 
            
                12,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.60
             |           
            
                3.70
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.65
             |                     
            
                3.70
             |                                 
            
                6,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2012
             | 
            
                -0.20 / -5.00%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                3.80
             |                                 
            
                6,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                4.00
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2012
             | 
            
                -0.20 / -4.76%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                4.00
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.20
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.80
             |           
            
                4.00
             |               
            
                3.80
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                4.00
             |                                 
            
                7,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2012
             | 
            
                -0.20 / -4.76%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                4.00
             |                                 
            
                5,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2012
             | 
            
                -0.10 / -2.33%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.00
             |                     
            
                4.20
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.00
             |                           
            
                4.30
             | 
            
                4.20
             |                     
            
                4.30
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2012
             | 
            
                0.00 / 0.00%
             |             
            
                3.90
             |           
            
                4.30
             |               
            
                3.90
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.30
             |                                 
            
                7,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |