Holding(s) in Company

SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES                   

All relevant boxes should be completed in block capital letters.

1. Name of company                   2. Name of shareholder having a major     
                                        interest                               
   Reckitt Benckiser plc                                                       
                                        MFS Investment Management              

3. Please state whether notification 4. Name of the registered holder(s) and,  
   indicates that it is in respect      if more than one holder, the number of 
   of holding of the shareholder        shares held by each of them            
   named in 2 above or in respect of                                           
   a non-beneficial interest or in      See attached schedule                  
   the case of an individual holder                                            
   if it is a holding of that                                                  
   person's spouse or children under                                           
   the age of 18                                                               
                                                                               
   Shares held by MFS Investment                                               
   Management through MFS Investment                                           
   Management/MFS Institutional                                                
   Advisors Inc/MFS Investment                                                 
   Management K.K./MFS International                                           
   Ltd                                                                         

5. Number of      6. Percentage of  7. Number of shares 8. Percentage of      
   shares/amount     issued class      /amount of stock    issued class       
   of stock                            disposed                               
   acquired          3.03%                                                    
                                                                              
   22,038,694                                                                 
   (over a period                                                             
   of time)                                                                   

9. Class of securities              10. Date of          11. Date company      
                                        transaction          informed          
   Ordinary shares of 10 10/19p                                                
                                        HOLDING ACQUIRED     18 November 2004  
                                        OVER A PERIOD OF                       
                                        TIME. NO                               
                                        SPECIFIC DATES                         
                                        OF ACQUISITION                         
                                        PROVIDED                               

12. Total holding following this     13. Total percentage holding of issued    
    notification                         class following this notification     
                                                                               
    22,038,694                           3.03%                                 

14. Any additional information       15. Name of contact and telephone number  
                                         for queries                           
                                                                               
                                         Mrs E A Richardson, Secretary         
                                                                               
                                         Tel [phone]                      

16. Name and signature of authorised company official responsible for making   
    this notification                                                          
                                                                               
    Elizabeth Richardson, Secretary                                            
                                                                               
Date of notification 18 November 2004                                          

SCHEDULE: MFS                                                         
INVESTMENT                                                            
MANAGEMENT                                                            
                                                                      
(attached to                                                          
notification                                                          
made 18.11.04                                                         
                                                                      
Entity                             Holding      Percentage Held       
                                                                      
MFS                               15,243,025    2.10%                 
Investment                                                            
Management                                                            
(MFS)                                                                 
                                                                      
MFS                               4,526,339     0.62%                 
Institutional                                                         
Advisors,                                                             
Inc. (MFSI)                                                           
                                                                      
MFS                                661,137      0.09%                 
Investment                                                            
Management                                                            
K.K. (MIM                                                             
K.K.)                                                                 
                                                                      
MFS                               1,608,193     0.22%                 
International                                                         
Ltd. (MIL)                                                            
                                                                      
Total                             22,038,694    3.03%                 
Holdings                                                              
                                                                      

Shares Held            Custodian           Nominee Name               
                                                                      
      19,350 JPMorgan                      Chase Nominees Limited     
                                                                      
     181,680 JPMorgan                      Chase Nominees Limited     
                                                                      
     146,700 JPMorgan                      Chase Nominees Limited     
                                                                      
     175,800 State Street Bank and Trust   Portnet & Co.              
                                                                      
     592,120 State Street Bank and Trust   Moonsail & Co.             
                                                                      
     169,900 JPMorgan                      Chase Nominees Limited     
                                                                      
     984,431 Chase Manhattan               Jpmcb London               
                                                                      
      18,188 State Street Bank and Trust   Woodcraft & Co.            
                                                                      
      62,590 State Street Bank and Trust   Dockview & Co.             
                                                                      
      58,310 State Street Bank and Trust   Teakettle & Co.            
                                                                      
      34,894 State Street Bank and Trust   Teamplay & Co.             
                                                                      
         847 State Street Bank and Trust   Horizon & Co.              
                                                                      
         310 State Street Bank and Trust   Deepmarker & Co.           
                                                                      
     239,370 Bank of New York              Hare & Co                  
                                                                      
       1,260 State Street Bank and Trust   Sede & Co                  
                                                                      
     821,650 State Street Bank and Trust   Seaskipper & Co.           
                                                                      
      56,460 State Street Bank and Trust   Compassbird & Co.          
                                                                      
     829,640 State Street Bank and Trust   Snappy & Co.               
                                                                      
   1,144,900 State Street Bank and Trust   Peak & Co.                 
                                                                      
     633,508 State Street Bank and Trust   Bigcabin & Co.             
                                                                      
      69,000 State Street Bank and Trust   Inletbay & Co.             
                                                                      
   3,142,310 State Street Bank and Trust   Bark & Co.                 
                                                                      
     181,020 State Street Bank and Trust   Beam & Co.                 
                                                                      
      52,398 State Street Bank and Trust   Prosperity & Co.           
                                                                      
   2,123,360 State Street Bank and Trust   Iftco                      
                                                                      
       9,915 State Street Bank and Trust   Iftco                      
                                                                      
      39,264                                                          
                                                                      
       8,600 PFPC                          Phoenix-Mfs Investors      
                                           Growth Stock Series        
                                                                      
     738,500 State Street Bank and Trust   Disburse & Co.             
                                                                      
      66,730 State Street Bank and Trust   Inletchart & Co.           
                                                                      
     244,600 State Street Bank and Trust   Watchwater And Company     
                                                                      
     143,650 State Street Bank and Trust   Thresher And Company       
                                                                      
      68,920 State Street Bank and Trust   Awning & Co.               
                                                                      
      66,800 State Street Bank and Trust   Snorkledive & Co.          
                                                                      
     385,800 State Street Bank and Trust   Ulysses + Co               
                                                                      
     690,420 State Street Bank and Trust   Watership & Co             
                                                                      
      36,490 State Street Bank and Trust   Pastel & Co                
                                                                      
     546,220 State Street Bank and Trust   Maritime & Co              
                                                                      
      34,470 State Street Bank and Trust   Warmwater & Co.            
                                                                      
     345,580 State Street Bank and Trust   Stingray & Co.             
                                                                      
      58,500 State Street Bank and Trust   Warmwave & Co.             
                                                                      
      18,570 State Street Bank and Trust   Openhouse & Co.            
                                                                      
  15,243,025                                                          
                                                                      
     195,020 State Street Bank and Trust   Travelview, Inc.           
                                                                      
     715,848 State Street Bank and Trust   Seine & Co                 
                                                                      
     180,644 Northern Trust                Nortrust Nominees Limited  
                                                                      
     533,550 Northern Trust                Nortrust Nominees Limited A
                                           /C Slend                   
                                                                      
      46,630 Northern Trust                Nortrust Nominees Limited A
                                           /C Slend                   
                                                                      
      57,870 Bank of New York              Bank of New York (Nominees)
                                           Limited                    
                                                                      
     225,720 State Street Bank and Trust   Pondwave & Co.             
                                                                      
      93,810 Northern Trust                Nortrust Nominees Limited  
                                                                      
      85,701 State Street Bank and Trust   Seine & Co                 
                                                                      
      78,435 State Street Bank and Trust   Seine & Co                 
                                                                      
      78,030 State Street Bank and Trust   Seine & Co                 
                                                                      
     364,193 State Street Bank and Trust   Seine & Co                 
                                                                      
       5,800 Brown Brothers Harriman       Master Trust Bank Of Japan 
                                           Ltd                        
                                                                      
     257,900 State Street Bank and Trust   Prambrak & Co.             
                                                                      
     148,428 Chase Manhattan               Cudd & Co                  
                                                                      
      37,720 Mellon Bank                   Cargowater and Co.         
                                                                      
     316,504 State Street Bank and Trust   Frozenchannel & Co         
                                                                      
      20,200 State Street Bank and Trust   State Street Nominees Ltd  
                                                                      
      38,240 Wells Fargo Securities        The Bank Of New York,      
                                           Brussels                   
                                                                      
     104,410 Royal Trust                   Roy Nominees Ltd           
                                                                      
      49,940 State Street Bank and Trust   Sextant & Co.              
                                                                      
      60,580 State Street Bank and Trust   Riverbasin & Co            
                                                                      
      36,286 Northern Trust                Nortrust Nominees Limited A
                                           /C Slend                   
                                                                      
     283,100 Mellon Bank                   (Uk) Limited A/C Bsdtcad   
                                                                      
     243,300 Northern Trust                Nortrust Nominees Limited A
                                           /C Slend                   
                                                                      
      50,350 Mellon Bank                   (UK) Limited A/C Bsdtcad   
                                                                      
      47,790 State Street Bank and Trust   Blazerboard & Co           
                                                                      
      88,900 Royal Trust                   Roy Nominees Ltd           
                                                                      
      63,490 Mellon Bank                   (UK) Limited A/C Bsdtcad   
                                                                      
      17,950 Mizuho                        CEDCO                      
                                                                      
   4,526,339                                                          
                                                                      
      29,837 Brown Brothers Harriman       Trust And Custody Services 
                                           Bank Ltd                   
                                                                      
     278,410 Chase Manhattan               Cudd & Co                  
                                                                      
     236,550 Brown Brothers Harriman       Master Trust Bank Of Japan 
                                           Ltd                        
                                                                      
     116,340 State Street Bank and Trust   Japan Trustee Services     
                                           Bank, Ltd                  
                                                                      
     661,137                                                          
                                                                      
      91,748 Chase Manhattan               Cudd & Co                  
                                                                      
      40,670 Northern Trust                Nortrust Nominees Limited A
                                           /C Slend                   
                                                                      
      93,200 Northern Trust                Nortrust Nominees Limited A
                                           /C Slend                   
                                                                      
      66,270 State Street Bank and Trust   Seine & Co                 
                                                                      
     118,170 State Street Bank and Trust   Coach & Co.                
                                                                      
      38,653 State Street Bank and Trust   Carpet &Co.                
                                                                      
      60,000 State Street Bank and Trust   Path & Co.                 
                                                                      
     414,110 State Street Bank and Trust   Sextant & Co.              
                                                                      
     102,670 State Street Bank and Trust   Grandisland & Co.          
                                                                      
     159,500 State Street Bank and Trust   Seine & Co                 
                                                                      
     328,612 BNP Paribas                   Harewood Nominees Limited  
                                                                      
      94,590 Mellon Bank                   Mac And Co.                
                                                                      
   1,608,193