| 
                 
                    Closing price on 1/18/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.00 | 
                 
                
                    | High | 
                    30.00 | 
                 
                
                    | Low | 
                    27.00 | 
                     
                
                    | Volume | 
                    2,600 | 
                                 
                
                    | Split-adjusted Price | 
                    7.06 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/18/2010
             | 
            
                -1.30 / -4.59%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                27.00
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                7.06
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2010
             | 
            
                -0.30 / -1.05%
             |             
            
                28.30
             |           
            
                28.30
             |               
            
                28.30
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                7.40
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2010
             | 
            
                +1.10 / +4.00%
             |             
            
                26.00
             |           
            
                29.20
             |               
            
                26.00
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                7.48
             |                                 
            
                1,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2010
             | 
            
                -1.80 / -6.14%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                27.30
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                7.19
             |                                 
            
                4,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2010
             | 
            
                -2.20 / -6.98%
             |             
            
                30.50
             |           
            
                30.50
             |               
            
                29.30
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                7.66
             |                                 
            
                13,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2010
             | 
            
                +0.50 / +1.61%
             |             
            
                31.50
             |           
            
                31.50
             |               
            
                31.50
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                8.24
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2010
             | 
            
                +1.40 / +4.73%
             |             
            
                31.90
             |           
            
                31.90
             |               
            
                29.50
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                8.11
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2010
             | 
            
                -1.90 / -6.03%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                29.60
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                7.74
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2010
             | 
            
                0.00 / 0.00%
             |             
            
                33.90
             |           
            
                33.90
             |               
            
                29.90
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                8.24
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2010
             | 
            
                +1.40 / +4.65%
             |             
            
                32.20
             |           
            
                32.20
             |               
            
                31.20
             |                           
            
                31.50
             | 
            
                31.50
             |                     
            
                8.24
             |                                 
            
                7,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2010
             | 
            
                +1.70 / +5.99%
             |             
            
                29.80
             |           
            
                30.10
             |               
            
                29.80
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                7.87
             |                                 
            
                5,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2009
             | 
            
                +0.10 / +0.35%
             |             
            
                28.20
             |           
            
                28.90
             |               
            
                28.20
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                7.43
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2009
             | 
            
                0.00 / 0.00%
             |             
            
                28.30
             |           
            
                29.00
             |               
            
                28.00
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                7.40
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2009
             | 
            
                -1.30 / -4.39%
             |             
            
                28.30
             |           
            
                28.30
             |               
            
                28.30
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                7.40
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2009
             | 
            
                +0.30 / +1.02%
             |             
            
                30.80
             |           
            
                30.80
             |               
            
                29.60
             |                           
            
                29.60
             | 
            
                29.60
             |                     
            
                7.74
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2009
             | 
            
                +1.10 / +3.90%
             |             
            
                28.00
             |           
            
                29.30
             |               
            
                28.00
             |                           
            
                29.30
             | 
            
                29.30
             |                     
            
                7.66
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2009
             | 
            
                +1.10 / +4.06%
             |             
            
                26.40
             |           
            
                28.20
             |               
            
                26.10
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                7.37
             |                                 
            
                10,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2009
             | 
            
                +0.10 / +0.37%
             |             
            
                27.10
             |           
            
                27.10
             |               
            
                26.00
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                7.09
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2009
             | 
            
                -2.50 / -8.47%
             |             
            
                27.20
             |           
            
                27.20
             |               
            
                27.00
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                7.06
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2009
             | 
            
                +0.10 / +0.34%
             |             
            
                28.90
             |           
            
                29.50
             |               
            
                28.90
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                7.71
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2009
             | 
            
                -1.30 / -4.23%
             |             
            
                28.60
             |           
            
                29.60
             |               
            
                28.60
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                7.69
             |                                 
            
                13,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/17/2009
             | 
            
                0.00 / 0.00%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                8.03
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2009
             | 
            
                0.00 / 0.00%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                8.03
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2009
             | 
            
                0.00 / 0.00%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                8.03
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2009
             | 
            
                0.00 / 0.00%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                8.03
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2009
             | 
            
                0.00 / 0.00%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                8.03
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/10/2009
             | 
            
                0.00 / 0.00%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                8.03
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2009
             | 
            
                +1.50 / +5.14%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                8.03
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2009
             | 
            
                -2.00 / -6.41%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                29.20
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                7.64
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2009
             | 
            
                -2.30 / -6.87%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                31.20
             |                           
            
                31.20
             | 
            
                31.20
             |                     
            
                8.16
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |