| 
                 
                    Closing price on 10/18/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    361.00 | 
                 
                
                    | High | 
                    361.00 | 
                 
                
                    | Low | 
                    357.50 | 
                     
                
                    | Volume | 
                    7,700 | 
                                 
                
                    | Split-adjusted Price | 
                    30.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
S99 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/18/2007
             | 
            
                -18.50 / -4.92%
             |             
            
                361.00
             |           
            
                361.00
             |               
            
                357.50
             |                           
            
                357.50
             | 
            
                357.50
             |                     
            
                30.80
             |                                 
            
                7,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2007
             | 
            
                -42.30 / -10.11%
             |             
            
                459.40
             |           
            
                459.40
             |               
            
                376.00
             |                           
            
                376.00
             | 
            
                376.00
             |                     
            
                32.39
             |                                 
            
                18,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2007
             | 
            
                +28.60 / +7.34%
             |             
            
                415.00
             |           
            
                418.30
             |               
            
                413.00
             |                           
            
                418.30
             | 
            
                418.30
             |                     
            
                36.03
             |                                 
            
                20,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2007
             | 
            
                +35.10 / +9.90%
             |             
            
                388.90
             |           
            
                389.70
             |               
            
                345.00
             |                           
            
                389.70
             | 
            
                389.70
             |                     
            
                33.57
             |                                 
            
                31,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2007
             | 
            
                +27.30 / +8.34%
             |             
            
                354.60
             |           
            
                354.60
             |               
            
                331.00
             |                           
            
                354.60
             | 
            
                354.60
             |                     
            
                30.55
             |                                 
            
                26,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2007
             | 
            
                +22.30 / +7.31%
             |             
            
                320.00
             |           
            
                327.30
             |               
            
                315.00
             |                           
            
                327.30
             | 
            
                327.30
             |                     
            
                28.19
             |                                 
            
                20,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2007
             | 
            
                +10.00 / +3.39%
             |             
            
                296.00
             |           
            
                312.00
             |               
            
                290.00
             |                           
            
                305.00
             | 
            
                305.00
             |                     
            
                26.27
             |                                 
            
                26,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2007
             | 
            
                +26.90 / +10.03%
             |             
            
                280.00
             |           
            
                295.00
             |               
            
                275.00
             |                           
            
                295.00
             | 
            
                295.00
             |                     
            
                25.41
             |                                 
            
                34,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2007
             | 
            
                +16.10 / +6.39%
             |             
            
                265.00
             |           
            
                272.00
             |               
            
                265.00
             |                           
            
                268.10
             | 
            
                268.10
             |                     
            
                23.09
             |                                 
            
                15,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2007
             | 
            
                +4.00 / +1.61%
             |             
            
                246.00
             |           
            
                255.00
             |               
            
                246.00
             |                           
            
                252.00
             | 
            
                252.00
             |                     
            
                21.71
             |                                 
            
                9,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2007
             | 
            
                -7.00 / -2.75%
             |             
            
                249.00
             |           
            
                257.00
             |               
            
                236.00
             |                           
            
                248.00
             | 
            
                248.00
             |                     
            
                21.36
             |                                 
            
                38,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2007
             | 
            
                0.00 / 0.00%
             |             
            
                235.00
             |           
            
                263.00
             |               
            
                235.00
             |                           
            
                255.00
             | 
            
                255.00
             |                     
            
                21.97
             |                                 
            
                19,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2007
             | 
            
                -5.00 / -1.92%
             |             
            
                260.00
             |           
            
                287.60
             |               
            
                250.00
             |                           
            
                255.00
             | 
            
                255.00
             |                     
            
                21.97
             |                                 
            
                11,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2007
             | 
            
                +15.50 / +6.34%
             |             
            
                252.00
             |           
            
                263.80
             |               
            
                251.00
             |                           
            
                260.00
             | 
            
                260.00
             |                     
            
                22.40
             |                                 
            
                15,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2007
             | 
            
                +5.50 / +2.30%
             |             
            
                238.00
             |           
            
                244.50
             |               
            
                238.00
             |                           
            
                244.50
             | 
            
                244.50
             |                     
            
                21.06
             |                                 
            
                25,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2007
             | 
            
                -1.00 / -0.42%
             |             
            
                240.00
             |           
            
                240.00
             |               
            
                235.00
             |                           
            
                239.00
             | 
            
                239.00
             |                     
            
                20.59
             |                                 
            
                9,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2007
             | 
            
                -2.00 / -0.83%
             |             
            
                245.00
             |           
            
                245.00
             |               
            
                240.00
             |                           
            
                240.00
             | 
            
                240.00
             |                     
            
                20.67
             |                                 
            
                20,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2007
             | 
            
                -17.60 / -6.78%
             |             
            
                245.00
             |           
            
                252.00
             |               
            
                235.10
             |                           
            
                242.00
             | 
            
                242.00
             |                     
            
                20.85
             |                                 
            
                11,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2007
             | 
            
                +4.60 / +1.80%
             |             
            
                255.00
             |           
            
                260.00
             |               
            
                230.00
             |                           
            
                259.60
             | 
            
                259.60
             |                     
            
                22.36
             |                                 
            
                6,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2007
             | 
            
                +5.00 / +2.00%
             |             
            
                250.00
             |           
            
                255.00
             |               
            
                245.00
             |                           
            
                255.00
             | 
            
                255.00
             |                     
            
                21.97
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2007
             | 
            
                +7.00 / +2.88%
             |             
            
                245.00
             |           
            
                252.00
             |               
            
                207.00
             |                           
            
                250.00
             | 
            
                250.00
             |                     
            
                21.54
             |                                 
            
                23,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2007
             | 
            
                -5.20 / -2.10%
             |             
            
                228.00
             |           
            
                243.00
             |               
            
                228.00
             |                           
            
                243.00
             | 
            
                243.00
             |                     
            
                20.93
             |                                 
            
                39,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2007
             | 
            
                -21.80 / -8.07%
             |             
            
                265.00
             |           
            
                265.00
             |               
            
                248.20
             |                           
            
                248.20
             | 
            
                248.20
             |                     
            
                21.38
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2007
             | 
            
                +2.50 / +0.93%
             |             
            
                280.00
             |           
            
                280.00
             |               
            
                270.00
             |                           
            
                270.00
             | 
            
                270.00
             |                     
            
                23.26
             |                                 
            
                10,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2007
             | 
            
                +8.10 / +3.12%
             |             
            
                285.30
             |           
            
                285.30
             |               
            
                260.00
             |                           
            
                267.50
             | 
            
                267.50
             |                     
            
                23.04
             |                                 
            
                31,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2007
             | 
            
                +23.50 / +9.96%
             |             
            
                259.40
             |           
            
                259.40
             |               
            
                259.40
             |                           
            
                259.40
             | 
            
                259.40
             |                     
            
                22.35
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2007
             | 
            
                +21.40 / +9.98%
             |             
            
                235.90
             |           
            
                235.90
             |               
            
                235.90
             |                           
            
                235.90
             | 
            
                235.90
             |                     
            
                20.32
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2007
             | 
            
                +19.50 / +10.00%
             |             
            
                214.50
             |           
            
                214.50
             |               
            
                214.50
             |                           
            
                214.50
             | 
            
                214.50
             |                     
            
                18.48
             |                                 
            
                4,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2007
             | 
            
                +17.30 / +9.74%
             |             
            
                195.00
             |           
            
                195.00
             |               
            
                195.00
             |                           
            
                195.00
             | 
            
                195.00
             |                     
            
                16.80
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2007
             | 
            
                +14.00 / +8.55%
             |             
            
                177.50
             |           
            
                177.70
             |               
            
                175.00
             |                           
            
                177.70
             | 
            
                177.70
             |                     
            
                15.31
             |                                 
            
                6,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |