| 
                 
                    Closing price on 12/28/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.80 | 
                 
                
                    | High | 
                    30.80 | 
                 
                
                    | Low | 
                    29.60 | 
                     
                
                    | Volume | 
                    700 | 
                                 
                
                    | Split-adjusted Price | 
                    7.74 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SDC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2009
             | 
            
                +0.50 / +1.52%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                33.50
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                8.76
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2009
             | 
            
                +1.00 / +3.13%
             |             
            
                32.00
             |           
            
                33.00
             |               
            
                32.00
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                8.63
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2009
             | 
            
                +1.00 / +3.23%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                8.37
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2009
             | 
            
                +2.00 / +6.90%
             |             
            
                29.50
             |           
            
                31.00
             |               
            
                29.50
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                8.11
             |                                 
            
                1,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
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