| 
                 
                    Closing price on 11/28/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    258.00 | 
                 
                
                    | High | 
                    260.00 | 
                 
                
                    | Low | 
                    258.00 | 
                     
                
                    | Volume | 
                    409,500 | 
                                 
                
                    | Split-adjusted Price | 
                    14.60 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SSI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/28/2007
             | 
            
                +1.00 / +0.39%
             |             
            
                258.00
             |           
            
                260.00
             |               
            
                258.00
             |                           
            
                259.00
             | 
            
                259.00
             |                     
            
                14.60
             |                                 
            
                409,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2007
             | 
            
                0.00 / 0.00%
             |             
            
                260.00
             |           
            
                260.00
             |               
            
                256.00
             |                           
            
                258.00
             | 
            
                258.00
             |                     
            
                14.55
             |                                 
            
                513,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2007
             | 
            
                +7.00 / +2.79%
             |             
            
                254.00
             |           
            
                258.00
             |               
            
                253.00
             |                           
            
                258.00
             | 
            
                258.00
             |                     
            
                14.55
             |                                 
            
                406,780
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2007
             | 
            
                -3.00 / -1.18%
             |             
            
                254.00
             |           
            
                255.00
             |               
            
                251.00
             |                           
            
                251.00
             | 
            
                251.00
             |                     
            
                14.15
             |                                 
            
                512,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2007
             | 
            
                +2.00 / +0.79%
             |             
            
                256.00
             |           
            
                259.00
             |               
            
                254.00
             |                           
            
                254.00
             | 
            
                254.00
             |                     
            
                14.32
             |                                 
            
                538,160
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2007
             | 
            
                -4.00 / -1.56%
             |             
            
                248.00
             |           
            
                255.00
             |               
            
                247.00
             |                           
            
                252.00
             | 
            
                252.00
             |                     
            
                14.21
             |                                 
            
                711,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2007
             | 
            
                -4.00 / -1.54%
             |             
            
                257.00
             |           
            
                257.00
             |               
            
                256.00
             |                           
            
                256.00
             | 
            
                256.00
             |                     
            
                14.43
             |                                 
            
                422,390
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2007
             | 
            
                0.00 / 0.00%
             |             
            
                260.00
             |           
            
                261.00
             |               
            
                259.00
             |                           
            
                260.00
             | 
            
                260.00
             |                     
            
                14.66
             |                                 
            
                485,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2007
             | 
            
                -1.00 / -0.38%
             |             
            
                260.00
             |           
            
                260.00
             |               
            
                258.00
             |                           
            
                260.00
             | 
            
                260.00
             |                     
            
                14.66
             |                                 
            
                733,810
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2007
             | 
            
                +11.00 / +4.40%
             |             
            
                262.00
             |           
            
                262.00
             |               
            
                252.00
             |                           
            
                261.00
             | 
            
                261.00
             |                     
            
                14.72
             |                                 
            
                1,217,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2007
             | 
            
                +11.00 / +4.60%
             |             
            
                250.00
             |           
            
                250.00
             |               
            
                250.00
             |                           
            
                250.00
             | 
            
                250.00
             |                     
            
                14.10
             |                                 
            
                383,620
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2007
             | 
            
                -12.00 / -4.78%
             |             
            
                248.00
             |           
            
                249.00
             |               
            
                239.00
             |                           
            
                239.00
             | 
            
                239.00
             |                     
            
                13.48
             |                                 
            
                790,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2007
             | 
            
                -6.00 / -2.33%
             |             
            
                257.00
             |           
            
                257.00
             |               
            
                251.00
             |                           
            
                251.00
             | 
            
                251.00
             |                     
            
                14.15
             |                                 
            
                458,960
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2007
             | 
            
                -4.00 / -1.53%
             |             
            
                259.00
             |           
            
                260.00
             |               
            
                256.00
             |                           
            
                257.00
             | 
            
                257.00
             |                     
            
                14.49
             |                                 
            
                489,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2007
             | 
            
                -4.00 / -1.51%
             |             
            
                265.00
             |           
            
                265.00
             |               
            
                261.00
             |                           
            
                261.00
             | 
            
                261.00
             |                     
            
                14.72
             |                                 
            
                418,150
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2007
             | 
            
                +4.00 / +1.53%
             |             
            
                264.00
             |           
            
                266.00
             |               
            
                263.00
             |                           
            
                265.00
             | 
            
                265.00
             |                     
            
                14.94
             |                                 
            
                656,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2007
             | 
            
                -5.00 / -1.88%
             |             
            
                263.00
             |           
            
                264.00
             |               
            
                261.00
             |                           
            
                261.00
             | 
            
                261.00
             |                     
            
                14.72
             |                                 
            
                765,850
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2007
             | 
            
                -5.00 / -1.85%
             |             
            
                268.00
             |           
            
                268.00
             |               
            
                265.00
             |                           
            
                266.00
             | 
            
                266.00
             |                     
            
                15.00
             |                                 
            
                509,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2007
             | 
            
                -7.00 / -2.52%
             |             
            
                272.00
             |           
            
                273.00
             |               
            
                270.00
             |                           
            
                271.00
             | 
            
                271.00
             |                     
            
                15.28
             |                                 
            
                540,220
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2007
             | 
            
                +13.00 / +4.91%
             |             
            
                273.00
             |           
            
                278.00
             |               
            
                272.00
             |                           
            
                278.00
             | 
            
                278.00
             |                     
            
                15.67
             |                                 
            
                887,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2007
             | 
            
                -13.00 / -4.68%
             |             
            
                273.00
             |           
            
                275.00
             |               
            
                265.00
             |                           
            
                265.00
             | 
            
                265.00
             |                     
            
                14.94
             |                                 
            
                1,303,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2007
             | 
            
                -7.00 / -2.46%
             |             
            
                285.00
             |           
            
                285.00
             |               
            
                278.00
             |                           
            
                278.00
             | 
            
                278.00
             |                     
            
                15.67
             |                                 
            
                1,028,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2007
             | 
            
                +24.90 / +9.57%
             |             
            
                300.00
             |           
            
                300.00
             |               
            
                260.00
             |                           
            
                285.00
             | 
            
                285.00
             |                     
            
                16.07
             |                                 
            
                2,854,710
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2007
             | 
            
                +8.40 / +3.34%
             |             
            
                255.10
             |           
            
                264.80
             |               
            
                251.00
             |                           
            
                260.10
             | 
            
                260.10
             |                     
            
                14.67
             |                                 
            
                797,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2007
             | 
            
                +0.70 / +0.28%
             |             
            
                254.40
             |           
            
                254.70
             |               
            
                249.00
             |                           
            
                251.70
             | 
            
                251.70
             |                     
            
                14.19
             |                                 
            
                951,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2007
             | 
            
                +6.90 / +2.83%
             |             
            
                252.00
             |           
            
                255.00
             |               
            
                247.00
             |                           
            
                251.00
             | 
            
                251.00
             |                     
            
                14.15
             |                                 
            
                658,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2007
             | 
            
                +4.60 / +1.92%
             |             
            
                239.00
             |           
            
                260.00
             |               
            
                235.00
             |                           
            
                244.10
             | 
            
                244.10
             |                     
            
                13.76
             |                                 
            
                879,100
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2007
             | 
            
                -10.50 / -4.20%
             |             
            
                257.00
             |           
            
                259.90
             |               
            
                237.40
             |                           
            
                239.50
             | 
            
                239.50
             |                     
            
                13.50
             |                                 
            
                659,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2007
             | 
            
                -3.50 / -1.38%
             |             
            
                265.00
             |           
            
                273.00
             |               
            
                240.00
             |                           
            
                250.00
             | 
            
                250.00
             |                     
            
                14.10
             |                                 
            
                704,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2007
             | 
            
                +19.50 / +8.33%
             |             
            
                240.00
             |           
            
                253.50
             |               
            
                240.00
             |                           
            
                253.50
             | 
            
                253.50
             |                     
            
                14.29
             |                                 
            
                1,171,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |