| 
                 
                    Closing price on 11/30/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.00 | 
                 
                
                    | High | 
                    29.00 | 
                 
                
                    | Low | 
                    29.00 | 
                     
                
                    | Volume | 
                    200 | 
                                 
                
                    | Split-adjusted Price | 
                    7.58 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/30/2009
             | 
            
                +0.30 / +1.05%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                7.58
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2009
             | 
            
                -2.00 / -6.51%
             |             
            
                28.60
             |           
            
                28.70
             |               
            
                28.60
             |                           
            
                28.70
             | 
            
                28.70
             |                     
            
                7.51
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2009
             | 
            
                -2.30 / -6.97%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                30.70
             |                           
            
                30.70
             | 
            
                30.70
             |                     
            
                8.03
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2009
             | 
            
                -1.50 / -4.35%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                8.63
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2009
             | 
            
                -2.50 / -6.76%
             |             
            
                34.60
             |           
            
                34.60
             |               
            
                34.50
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                9.02
             |                                 
            
                900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2009
             | 
            
                +2.40 / +6.94%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                9.68
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2009
             | 
            
                -1.00 / -2.81%
             |             
            
                37.00
             |           
            
                37.00
             |               
            
                34.60
             |                           
            
                34.60
             | 
            
                34.60
             |                     
            
                9.05
             |                                 
            
                400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2009
             | 
            
                -3.40 / -8.72%
             |             
            
                35.70
             |           
            
                35.70
             |               
            
                35.50
             |                           
            
                35.60
             | 
            
                35.60
             |                     
            
                9.31
             |                                 
            
                2,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2009
             | 
            
                +0.40 / +1.04%
             |             
            
                38.40
             |           
            
                39.00
             |               
            
                36.00
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                8.90
             |                                 
            
                12,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2009
             | 
            
                +1.50 / +4.04%
             |             
            
                39.00
             |           
            
                39.00
             |               
            
                37.50
             |                           
            
                38.60
             | 
            
                38.60
             |                     
            
                8.81
             |                                 
            
                6,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2009
             | 
            
                +1.00 / +2.77%
             |             
            
                36.20
             |           
            
                37.30
             |               
            
                36.20
             |                           
            
                37.10
             | 
            
                37.10
             |                     
            
                8.47
             |                                 
            
                7,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2009
             | 
            
                -1.50 / -3.99%
             |             
            
                36.00
             |           
            
                37.00
             |               
            
                36.00
             |                           
            
                36.10
             | 
            
                36.10
             |                     
            
                8.24
             |                                 
            
                2,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2009
             | 
            
                +1.30 / +3.58%
             |             
            
                36.50
             |           
            
                37.60
             |               
            
                36.50
             |                           
            
                37.60
             | 
            
                37.60
             |                     
            
                8.58
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2009
             | 
            
                +0.80 / +2.25%
             |             
            
                34.10
             |           
            
                36.30
             |               
            
                34.10
             |                           
            
                36.30
             | 
            
                36.30
             |                     
            
                8.28
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2009
             | 
            
                +2.20 / +6.61%
             |             
            
                31.50
             |           
            
                35.50
             |               
            
                31.50
             |                           
            
                35.50
             | 
            
                35.50
             |                     
            
                8.10
             |                                 
            
                7,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2009
             | 
            
                -1.70 / -4.86%
             |             
            
                33.30
             |           
            
                33.50
             |               
            
                33.30
             |                           
            
                33.30
             | 
            
                33.30
             |                     
            
                7.60
             |                                 
            
                7,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2009
             | 
            
                -2.40 / -6.42%
             |             
            
                38.00
             |           
            
                38.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                7.99
             |                                 
            
                5,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2009
             | 
            
                +2.40 / +6.86%
             |             
            
                35.00
             |           
            
                37.40
             |               
            
                35.00
             |                           
            
                37.40
             | 
            
                37.40
             |                     
            
                8.54
             |                                 
            
                5,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2009
             | 
            
                -1.80 / -4.89%
             |             
            
                34.80
             |           
            
                35.00
             |               
            
                34.80
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                7.99
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2009
             | 
            
                -2.70 / -6.84%
             |             
            
                37.00
             |           
            
                37.50
             |               
            
                36.80
             |                           
            
                36.80
             | 
            
                36.80
             |                     
            
                8.40
             |                                 
            
                4,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2009
             | 
            
                -2.90 / -6.84%
             |             
            
                39.50
             |           
            
                39.50
             |               
            
                39.50
             |                           
            
                39.50
             | 
            
                39.50
             |                     
            
                9.01
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2009
             | 
            
                +3.10 / +7.89%
             |             
            
                42.20
             |           
            
                42.40
             |               
            
                42.00
             |                           
            
                42.40
             | 
            
                42.40
             |                     
            
                9.68
             |                                 
            
                14,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2009
             | 
            
                -2.10 / -5.07%
             |             
            
                41.40
             |           
            
                41.40
             |               
            
                39.00
             |                           
            
                39.30
             | 
            
                39.30
             |                     
            
                8.97
             |                                 
            
                8,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2009
             | 
            
                +2.70 / +6.98%
             |             
            
                37.50
             |           
            
                41.40
             |               
            
                37.50
             |                           
            
                41.40
             | 
            
                41.40
             |                     
            
                9.45
             |                                 
            
                10,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2009
             | 
            
                -2.90 / -6.97%
             |             
            
                38.70
             |           
            
                38.70
             |               
            
                38.70
             |                           
            
                38.70
             | 
            
                38.70
             |                     
            
                8.83
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2009
             | 
            
                -3.00 / -6.73%
             |             
            
                41.60
             |           
            
                42.00
             |               
            
                41.60
             |                           
            
                41.60
             | 
            
                41.60
             |                     
            
                9.49
             |                                 
            
                6,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2009
             | 
            
                -3.40 / -7.08%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                44.60
             |                           
            
                44.60
             | 
            
                44.60
             |                     
            
                10.18
             |                                 
            
                800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2009
             | 
            
                +2.10 / +4.58%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                10.95
             |                                 
            
                4,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2009
             | 
            
                +2.90 / +6.74%
             |             
            
                45.90
             |           
            
                45.90
             |               
            
                45.00
             |                           
            
                45.90
             | 
            
                45.90
             |                     
            
                10.48
             |                                 
            
                16,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2009
             | 
            
                +1.80 / +4.37%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                42.00
             |                           
            
                43.00
             | 
            
                43.00
             |                     
            
                9.81
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
         
    
    
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