Holding(s) in Company

Elementis PLC
21 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 ATTACHED

5)   Number of shares/amount of stock acquired.

      -

6)   Percentage of issued Class
      -

7)   Number of shares/amount of stock disposed
      3,675,000

8)   Percentage of issued Class
     0.85%

9)   Class of security

     ORDINARY SHARES

10)  Date of transaction

      NOT KNOWN

11)  Date company informed

     20 DECEMBER 2004

12)  Total holding following this notification

      34,493,606
               
13)  Total percentage holding of issued class following this notification

      7.98%

14)  Any additional information



15)  Name of contact and telephone number for queries

      NICHOLAS ROWE
      01784 22 7022


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

     Date of Notification .....21 DECEMBER 2004...................


Amendment #16

NOTIFICATIONS UNDER SECTIONS 198 TO 202 -- UK 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
           82 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 208(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 16


                      SHARES HELD   MANAGEMENT           NOMINEE/REGISTERED
                                     COMPANY              NAME

                       1,661,175     FIL    JP MORGAN, BOURNEMOUTH Total
                           3,050     FIL    BROWN BROS HARRIMN LTD LUX Total
                      28,416,193    FISL    JP MORGAN, BOURNEMOUTH Total
                         886,200    FMTC    BROWN BROTHERS HARRIMAN AND CO Total
                          29,700    FMTC    MORGAN STANLEY AND CO INC Total
                         324,300    FMTC    STATE STREET BANK AND TR CO Total
                         575,000     FPM    HSBC BANK PLC Total     
                       1,655,688     FPM    JP MORGAN, B0URNEMOUTH Total
                         171,400     FPM    NORTHERN TRUST LONDON Total
                         770,900     FPM    STATE STR BK AND TR CO LNDN (S Total
                      34,493,606            Grand Total Ordinary Shares


CURRENT OWNERSHIP PERCENTAGE:  7.98%

SHARES IN ISSUE:       432,034,561

CHANGE IN HOLDINGS SINCE
 LAST FILING:         (3,675,000) ORDINARY SHARES




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