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): 2 August 2009 6. Date on which issuer notified: 3 August 2009 7. Threshold(s) that is/are crossed or reached: 5% 8. Notified details: A: Voting rights attached to shares Class/type of shares 02418548 Situation previous to the Resulting situation after the triggering transaction Number of shares 27,788,043 Number of Voting Rights 27,788,043 Resulting situation after the triggering transaction Number of shares Direct 1,195,745 Number of voting rights Direct 1,195,745 Number of voting rights Indirect 21,311,866 % of voting rights Direct 0.27 % of voting rights Indirect 4.76 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 22,507,611 % 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 Number % of issued /Fund of shares share capital +--------------------------------------------------------------------+ |AXA | | 997,505.00| | 0.22265| | | | | | | | | |Direct | | | | | | | | | | | | | |-------------------------+---+--------------------+---+---------+---| |AXA IM UK | | 198,240.00| | 0.04425| | |Direct | | | | | | | | | | | | | |-------------------------+---+--------------------+---+---------+---| |AXA IM UK | | 20,095,859.00| | 4.48545| | |Indirect | | | | | | | | | | | | | |-------------------------+---+--------------------+---+---------+---| |AXA Rosenberg | | 1,216,007.00| | 0.27142| | |Indirect | | | | | | | | | | | | | |-------------------------+---+--------------------+---+---------+---| |Total Direct | | 1,195,745| | 0.26689| | | | | | | | | |-------------------------+---+--------------------+---+---------+---| |Total Indirect | | 21,311,866| | 4.75687| | | | | | | | | | | | | | | | |-------------------------+---+--------------------+---+---------+---| |Total | | 22,507,611| | 5.02376| | | | | | | | | | | | | | | | +--------------------------------------------------------------------+ 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: Kyere Tabiri 15. Contact telephone number: 020 7003 1510 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 3 August 2009 ---END OF MESSAGE--- This announcement was originally distributed by Hugin. The issuer is solely responsible for the content of this announcement.

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Elementis (ELM)
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