| 
                 
                    Closing price on 11/11/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    34.10 | 
                 
                
                    | High | 
                    36.30 | 
                 
                
                    | Low | 
                    34.10 | 
                     
                
                    | Volume | 
                    1,200 | 
                                 
                
                    | Split-adjusted Price | 
                    8.28 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2009
             | 
            
                -1.30 / -3.06%
             |             
            
                42.70
             |           
            
                42.70
             |               
            
                39.80
             |                           
            
                41.20
             | 
            
                41.20
             |                     
            
                9.40
             |                                 
            
                12,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2009
             | 
            
                -2.50 / -5.56%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                42.50
             |                           
            
                42.50
             | 
            
                42.50
             |                     
            
                9.70
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2009
             | 
            
                +1.80 / +4.17%
             |             
            
                45.70
             |           
            
                45.70
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.00
             |                     
            
                10.27
             |                                 
            
                14,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2009
             | 
            
                +1.70 / +4.10%
             |             
            
                41.50
             |           
            
                43.20
             |               
            
                41.40
             |                           
            
                43.20
             | 
            
                43.20
             |                     
            
                9.86
             |                                 
            
                14,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2009
             | 
            
                0.00 / 0.00%
             |             
            
                44.20
             |           
            
                44.20
             |               
            
                38.60
             |                           
            
                41.50
             | 
            
                41.50
             |                     
            
                9.47
             |                                 
            
                11,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2009
             | 
            
                +2.60 / +6.68%
             |             
            
                41.50
             |           
            
                41.50
             |               
            
                41.50
             |                           
            
                41.50
             | 
            
                41.50
             |                     
            
                9.47
             |                                 
            
                14,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2009
             | 
            
                +2.20 / +5.99%
             |             
            
                38.50
             |           
            
                38.90
             |               
            
                36.70
             |                           
            
                38.90
             | 
            
                38.90
             |                     
            
                8.88
             |                                 
            
                22,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2009
             | 
            
                +2.40 / +7.00%
             |             
            
                35.00
             |           
            
                36.70
             |               
            
                35.00
             |                           
            
                36.70
             | 
            
                36.70
             |                     
            
                8.38
             |                                 
            
                12,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2009
             | 
            
                +1.70 / +5.21%
             |             
            
                34.20
             |           
            
                34.30
             |               
            
                34.20
             |                           
            
                34.30
             | 
            
                34.30
             |                     
            
                7.83
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2009
             | 
            
                +2.10 / +6.89%
             |             
            
                32.00
             |           
            
                32.60
             |               
            
                32.00
             |                           
            
                32.60
             | 
            
                32.60
             |                     
            
                7.44
             |                                 
            
                6,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2009
             | 
            
                -1.90 / -5.86%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.50
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                6.96
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2009
             | 
            
                -2.40 / -6.90%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                32.40
             |                           
            
                32.40
             | 
            
                32.40
             |                     
            
                7.39
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2009
             | 
            
                +0.20 / +0.58%
             |             
            
                34.80
             |           
            
                34.80
             |               
            
                34.80
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                7.94
             |                                 
            
                4,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |