Holding(s) in Company

Elementis PLC


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:

Schroders plc

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):

24.5.10

6. Date on which issuer notified:


25.5.10

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


11-10%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using the ISIN CODE

ORDINARY GB0002418548

Situation previous to the triggering transaction

Number of shares           66,060,000

Number of Voting Rights 50,509,917

Resulting situation after the triggering transaction

Number of shares          64,230,825

Number of voting rights   Direct N/A

Number of voting rights   Indirect     48,680,742

% of voting rightsDirect       N/A
% of voting rightsIndirect    10.86%

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           48,680,742

% of voting rights                     10.86%

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

Schroder Investment Management Limited      43,957,742      9.81%
Schroder Investment Management North America Limited 4,722,976      1.05%

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:The shares referred to in section 9 are held in
portfolios managed by those firms on a discretionary basis for clients under
investment management agreements.

14. Contact name:                               Taryn O'Donoghue

15. Contact telephone number:                   020 7658 6000

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




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