Holding(s) in Company

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. and its group of companies

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

N/A

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

18 April 2010

6. Date on which issuer notified:


19 April 2010

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


5%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares                        241854

Situation previous to the Resulting situation after the triggering transaction

Number of shares                          22,611,114

Number of Voting Rights              22,611,114

Resulting situation after the triggering transaction

Number of shares Direct         222,463

Number of voting rights   Direct        222,463

Number of voting rights   Indirect   22,417,633

% of voting rightsDirect                      0.05

% of voting rightsIndirect                    5.00

B: Qualifying 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

C: Financial Instruments with similar economic effect to Qualifying Financial
Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date

Exercise/ Conversion Period

Number of voting rights instrument refers to

% of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights           22,640,096

% of voting rights         5.05%

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 IM UK                       222,463                       0.049639
 Direct


 AXA IM UK                        22,095,253                   4.930218
 Indirect


 AXA Rosenberg                     322,380                     0.071934
 Indirect


 Total Direct                                    222,463        0.04964


 Total Indirect                               22,417,633        5.00215


 Total                                        22,640,096        5.05179



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:                               Balenkosi Dungeni

15. Contact telephone number:           020 7003 2823

This notification is made in accordance with Rule 5.8.12 R(1) of the Disclosure
and Transparency Rules sourcebook.

Wai Wong
Company Secretary
020 7408 9303

20 April 2010


[HUG#1405917]