Holding(s) in Company

Elementis PLC
16 August 2005

                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

ELEMENTIS PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

SCHRODER INVESTMENT MANAGEMENT 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.

PLEASE SEE ATTACHED


5)   Number of shares/amount of stock acquired.

4,169,042


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

0.95%

7)   Number of shares/amount of stock disposed


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


9)   Class of security

ORDINARY SHARES


10)  Date of transaction

NOT KNOWN

11)  Date company informed

15.8.2005

12)  Total holding following this notification

52,642,970
               
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) 

12.09%

14)  Any additional information



15)  Name of contact and telephone number for queries

PENNY WATSON
01784 22 7023



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

     Date of Notification ...............   16.8.05 .........


LETTER TO:  ELEMENTIS PLC
            15 August 2005


5p ORDINARY SHARES ('SHARES')

We write to advise you that we, Schroder Investment Management Limited, have an
interest in 48,355,253 shares which are held in portfolios managed by us on a
discretionary basis for clients under investment management agreements.

Included in this figure are: -

(i)    3,680,926 shares registered or to be registered in the name of our 
       wholly-owned subsidiary nominee company, Schroder Nominees Limited 
       (Schroder Nominees).

(ii)   17,483,512 shares held in (a) unit trust(s) operated and managed by an 
       affiliated company. Schroder Unit Trusts Limited (SUTL), and registered 
       or to be registered in the name of Chase Nominee and,

(iii)  27,190,845 shares neither registered nor to be registered in the name of 
       Schroder Nominees. The registration details are shown on the enclosed 
       schedule.

A subsidiary, Schroder Investment Management North America Ltd (SIMNA Ltd), is
managing (a) portfolio(s) on a similar basis holding a further 4,131,687 shares.
These shares are registered or to be registered in the name of Chase Nominees
Limited.

An affiliated company, Schroder & Co Limited (S&Co Ltd), is managing a portfolio
holding a further 156,000 shares which are registered or to be registered in the
name of Brown Brothers Harriman.

We believe that we, our subsidiary and affiliated company are therefore
interested in an overall aggregate of 52,642,970 shares, representing some
12.103% of the total number of shares in issue, namely 434,975,917.

This notification is made to you:-

(a) in respect of our interest as investment managers,

(b) on behalf of SIMNA Ltd and SUTL in relation to the interests they are 
    treated as having respectively under the Companies Act 1985 (the Act), and

(c) on behalf of Schroders plc., our holding company, which is treated as having 
    an interest in all of the above shares under the Act by virtue of its 
    ownership of SIMNA Ltd. SUTL and ourselves.

Katy Creagh-Osborne - 
Compliance 
Schroders Investments Ltd
           
                                  5P ORDINARY SHARES
                                        SCHEDULE

REGISTRATION                                                              AMOUNT

British Coal Staff Superannuation a/c:P                                8,957,811
Chase Nominees Limited                                                 5,250,000
Mineowrkers' Pension Scheme a/c:R                                     10,233,034
Nortrust Nominees Limited                                              2,750,000
                                                                      27,190,845





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