Holding(s) in Company

Elementis PLC
08 May 2007



Elementis PLC
8 May 2007

Elementis plc ('the Company')


TR-1:               NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing
shares to which voting rights are attached:

Elementis plc

2. Reason for the notification

An acquisition or disposal of voting rights

3. Full name of person(s) subject to the notification obligation:

AXA S.A.

4. Full name of shareholder(s) (if different from 3):

5. Date of the transaction (and date on which the threshold is
crossed or reached if different):

3 May 2007

6. Date on which issuer notified:

4 May 2007

7. Threshold(s) that is/are crossed or reached:

5%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using the ISIN CODE

GB0002418548

Situation previous to the Resulting situation after the triggering transaction

Number of shares   21,704,425

Number of Voting Rights 21,704,425

Resulting situation after the triggering transaction

Number of shares Direct   2,720,158

Number of voting rights   Direct 2,720,158

Number of voting rights   Indirect 19,473,487

% of voting rights        Direct 0.62

% of voting rights        Indirect 4.41


B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ Conversion Period/ Date

Number of voting rights that may be acquired if the instrument is
exercised/ converted.

% of voting rights

Total (A+B)

Number of voting rights           22,193,645

% of voting rights                 5.02%

9. Chain of controlled undertakings through which the voting rights
and/or the financial instruments are effectively held, if applicable:

Name of Company/Fund           Number of Shares      % of issued share capital

AXA Rosenberg                           856,926      0.19388
Direct

AXA UK Investment Co ICVC             1,556,804      0.35224
UK Smaller Companies Fund
Indirect

Sun Life Pensions Management Ltd A/C    300,000      0.06788
Direct

AXA Rosenberg                           691,297      0.15641
Direct

AXA Rosenberg                        17,317,374      3.91815
Indirect

Sun Life Pensions Management Ltd         46,563      0.01054
Direct

Sun Life Unit Assurance Ltd              78,452      0.01775
FTSE All Share Tracker
Direct

Sun Life Pensions Management            371,930      0.08415
FTSE All Share Tracker
Direct

AXA Framlington                         416,710      0.09428
BAE Systems Pensions Fund CIF Trustees
Indirect

AXA Framlington                         182,599      0.04131
BAE Systems 2000 Pensions Fund
Indirect

AXA Winterthur                          374,990      0.08484
Direct

Total Direct                          2,720,158      0.61545
Total Indirect                       19,473,487      4.40598

Total                                22,193,645      5.02143

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease to hold:

12. Date on which proxy holder will cease to hold voting rights:

13. Additional information:

14. Contact name:                               Terry Marsh

15. Contact telephone number:                   020 7003 2637






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