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: Norges Bank 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): 13.3.09 6. Date on which issuer notified: 18.3.09 7. Threshold(s) that is/are crossed or reached: 3% 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 13,373,254 Number of Voting Rights 13,373,254 Resulting situation after the triggering transaction Number of shares 13,622,148 Number of voting rights Direct 13,622,148 Number of voting rights Indirect % of voting rights Direct 3.04% % of voting rights Indirect 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 13,622,148 % of voting rights 3.04% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: N/A Proxy Voting: 10. Name of the proxy holder: Norges Bank 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: None 14. Contact name: Robert Cook 15. Contact telephone number: 00 47 2231 6922 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 ---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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