Holding(s) in Company

Elementis PLC
29 December 2004



                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     ELEMENTIS PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     FIDELITY INTERNATIONAL LIMITED


3)   Please state whether notification indicates that it is in respect of 
     holding of the Shareholder named in 2 above or in respect of a 
     non-beneficial interest or in the case of an individual holder if it is a
     holding of that person's spouse or children under the age of 18

    


4)   Name of the registered holder(s) and, if more than one holder, the 
     number of shares held by each of them.

     SEE BELOW


5)   Number of shares/amount of stock acquired.




6)   Percentage of issued Class



7)   Number of shares/amount of stock disposed


     4,880,369

8)   Percentage of issued Class (any treasury shares held by company should not
                                 be taken into account when calculating 
                                 percentage)

     1.12%


9)   Class of security

     ORDINARY SHARES


10)  Date of transaction

     NOT KNOWN


11)  Date company informed

     24 DECEMBER 2004


12)  Total holding following this notification

     24,763,237

               
13)  Total percentage holding of issued class following this notification
     (any treasury shares held by company should not be taken into account when 
      calculating percentage)

     5.73%


14)  Any additional information




15)  Name of contact and telephone number for queries

     PENNY WATSON
     01784 227023


16)  Name and signature of authorised company official responsible for 
     making this notification


     Date of Notification     29.12.04



Amendment No 18 

NOTIFICATIONS UNDER SECTIONS 198 TO 202 - - U.K. COMPANIES ACT

1. Company in which shares are held:     Elementis Plc

2. Notifiable Interest:                  Ordinary Shares

      (A)   FMR Corp.
            82 Devonshire Street 
            Boston, MA 02109

            Parent holding company of Fidelity Management & Research Company 
            (FMRCO), investment manager for US mutual funds, and Fidelity 
            Management Trust Company (FMTC), a US state chartered bank which 
            acts as a trustee or investment manager of various pension and trust 
            accounts. (See Schedule A for listing of Registered Shareholders and 
            their holdings).

      (B)   Fidelity International Limited (FIL) 
            P.O. Box HM 670 
            Hamilton HMCX, Bermuda

            Parent holding company for various direct and indirect subsidiaries, 
            including Fidelity Investment Services Ltd. (FISL) and Fidelity 
            Pension Management (FPM), investment managers for various non-US 
            investment companies and institutional clients. (See Schedule A for 
            listing of Registered Shareholders and their holdings.)

3. The notifiable interests also comprise the notifiable interest of:

            Mr. Edward C. Johnson 3d 
            92 Devonshire Street 
            Boston, MA 02109

   A principal shareholder of FMR Corp. and Fidelity International Limited.

4. The notifiable interests include interest held on behalf of authorized unit 
   trust schemes in the U.K., notwithstanding the exemption from reporting 
   pursuant to Section 209 (1)(h) of the Companies Act 1985.

5. These notifications of disclosable interests constitute separate 
   notifications of interest in the shares and are combined solely for the 
   purposes of clarity and efficiency. Nothing herein should be taken to 
   indicate that FMR Corp. and its direct and indirect subsidiaries, Fidelity 
   International Limited and its direct and indirect subsidiaries or Mr. Edward 
   C. Johnson 3d act as a group or in concert in respect of the disclosed 
   interests, or that they are required to submit these notifications on a joint
   basis.

6. The disclosable interests arise under section 209 (4)(b) of the Act, namely 
   where a person, not being the registered holder, is entitled to exercise a 
   right conferred by the holding of the shares or to control the exercise of 
   such rights, or under section 203 of the Act respectively.


Schedule A Security: Elementis Plc                     Amendment No 18
 
                                   SHARES HELD      MANAGEMENT COMPANY    NOMINEE/REGISTERED NAME

                                     1,182,006      FII                   JP MORGAN, BOURNEMOUTH Total

                                         3,050      FIL                   BROWN BROS HARRIMN LTD LUX Total

                                       475,200      FIL                   JP MORGAN, BOURNEMOUTH Total

                                    19,761,193      FISL                  JP MORGAN, BOURNEMOUTH Total

                                       700,000      FMRCO                 BROWN BROTHERS HARRIMAN AND CO Total

                                       132,500      FMTC                  BROWN BROTHERS HARRIMAN AND CO Total

                                        21,100      FMTC                  MORGAN STANLEY AND CO INC Total

                                       230,700      FMTC                  STATE STREET BANK AND TR CO Total

                                       409,100      FPM                   HSBC BANK PLC Total

                                     1,177,988      FPM                   JP MORGAN, BOURNEMOUTH Total

                                       121,900      FPM                   NORTHERN TRUST LONDON Total

                                       548,500      FPM                   STATE STR BK AND TR CO LNDN (S Total

                                    24,763,237                            Grand Total Ordinary Shares

Currant ownership percentage:             5.73%

Shares In Issue:                   432,034,561

Change in holdings since 
  last filing:                     (4,880,369) ordinary shares

                      This information is provided by RNS
            The company news service from the London Stock Exchange