Elementis PLC — Proxy Solicitation & Information Statement 2013

Mar 21, 2013

Please detach and retain this section.

Admission card

Annual General Meeting of Elementis plc to be held at The Royal Institution of Great Britain, 21 Albemarle Street, London W1S 4BS on 25 April 2013 at 11.00 a.m.

ELEMENTIS

Kindly note: this form is issued only to the addressee(s) and is specific to the unique designated account printed hereon. This personalised form is not transferable between different account holders or uniquely designated accounts. Elementis plc and Equiniti Limited accept no liability for any instruction that does not comply with these conditions.

Please bring this admission card with you and present it at the registration desk if you are attending the Annual General Meeting. The address of the venue and a map is provided overleaf.

Please read the explanatory notes overleaf and the notes accompanying the Notice of Meeting for full instructions.

DETACH HERE

• Voting ID
  Task ID

Shareholder Reference Number
1387-058-s

(Please indicate your vote by marking an "X" in the appropriate boxes)

Resolutions

Ordinary business

1. To receive and adopt the directors' and auditors' reports and audited accounts for 2012. ☐ ☐ ☐
2. To declare a final dividend on the ordinary shares, as recommended by the directors. ☐ ☐ ☐
3. To approve the directors' remuneration report for 2012. ☐ ☐ ☐
4. To re-elect as a director Robert Beeston. ☐ ☐ ☐
5. To re-elect as a director David Dutro. ☐ ☐ ☐
6. To re-elect as a director Brian Taylorson. ☐ ☐ ☐
7. To re-elect as a director Ian Brindle. ☐ ☐ ☐
8. To re-elect as a director Andrew Christie. ☐ ☐ ☐
9. To re-elect as a director Chris Girling. ☐ ☐ ☐
10. To re-elect as a director Kevin Matthews. ☐ ☐ ☐
11. To re-appoint KPMG Audit plc as auditors. ☐ ☐ ☐
12. To authorise the directors to determine the remuneration of the auditors. ☐ ☐ ☐

You can vote electronically at www.sharevote.co.uk using the above numbers. Please detach and post this section.

Form of proxy

I/we being (a) member(s) of Elementis plc (the "Company") hereby appoint the Chairman of the Meeting, or (insert full name clearly in box (1) below)

(1)+

as my/our proxy to vote for me/us on my/our behalf at the Annual General Meeting of the Company to be held at The Royal Institution of Great Britain, 21 Albemarle Street, London W1S 4BS on 25 April 2013 at 11.00 a.m. and at any adjournment thereof.

(Insert in box (2) below the number of shares your proxy is authorised to vote)

(2)+

☐ Tick here if this proxy is one of multiple appointments being made.

If you do not give any directions as to how your proxy should vote on the above Resolutions, or on any other business of the Meeting, he/she will exercise his/her discretion as to whether, and if so how, he/she votes. The "Vote withheld" option is to allow you to abstain on any particular Resolution and is not a vote in law and will not be counted as "For" or "Against" a Resolution. In the case of a corporation, this proxy must be given under its common seal or be signed on its behalf by an attorney or officer, duly authorised, stating their capacity (e.g. director, secretary).

Signature
Date

• Each number refers to the corresponding note in the explanatory notes overleaf.

• Special Resolution

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Explanatory notes to Form of proxy

(To be read in conjunction with the Notice of Meeting and the accompanying notes.)

1. If you want to appoint another person to be your proxy, strike out the words "Chairman of the Meeting" and insert in the box the name of the proxy and initial the alterations. A proxy need not be a member.
2. To enable your proxy to vote all your shares, insert your total shareholding or leave the box blank. Alternatively, if you wish to restrict the number of shares your proxy can vote, insert the number of shares in relation to which your proxy is authorised to act.
3. To appoint more than one proxy, [an] additional proxy form[s] may be obtained by calling the Registrars on 0871 384 2379.* Non-UK callers should dial +44 121 415 7043, or you may photocopy this form. Please tick the box provided if the proxy instruction is one of multiple instructions being given. All forms must be signed and returned in the same envelope. Please ensure that the total number of shares for all your proxies does not exceed your total shareholding.
4. For this Form of proxy to be valid, detach from the Admission card and deliver it to Equiniti Limited, Aspect House, Spencer Road, Lancing, West Sussex BN99 6DA 48 hours before the appointed time of the Meeting or adjourned Meeting. For information about a member's right to appoint a proxy and other rights, please see the notes accompanying the Notice of Meeting.
5. Members who wish to appoint a proxy through the CREST system should also refer to the notes in the Notice of Meeting.

6. Completing a Form of proxy will not prevent a member from attending in person and voting in person if he/she so wishes.

7. Calls to this number cost 8 pence per minute plus network extras. Lines are open 8.30 a.m. to 5.30 p.m., Monday to Friday.

Venue address

The Royal Institution of Great Britain
21 Albemarle Street
London W1S 4BS

London Underground

The venue is just a few minutes' walk from Green Park and Piccadilly tube stations.