Halma PLC — Proxy Solicitation & Information Statement 2012

Jun 25, 2012

HALMA

Attendance Card

Please bring this card with you to the Meeting and present it at Shareholder registration.

The Chairman of Halma plc invites you to attend the Annual General Meeting of the Company to be held at The Berkeley Hotel, Wilton Place, London SW1X 7RL on 24 July 2012 at 11.00 am.

Shareholder Reference Number

Please detach this portion before posting this proxy form.

Proxy Form - Annual General Meeting to be held on 24 July 2012

View the Notice of Meeting and cast your proxy vote online...It's fast, easy and secure!

www.investorcentre.co.uk/eproxy

Control Number: 911366 SRN: PIN:

You will be asked to enter the Control Number, the Shareholder Reference Number (SRN) and PIN and agree to certain terms and conditions.

View the Annual Report and the Notice of Meeting online: www.halma.com

Register at www.investorcentre.co.uk - manage your shareholding online, the easy way!

To be effective, all proxy appointments must be lodged with the Company's Registrars at:

Computershare Investor Services PLC, The Pavilions, Bridgwater Road, Bristol BS99 6ZY by 20 July 2012 at 11.00 am.

Explanatory Notes:

1. Every holder has the right to appoint some other person(s) of his/her choice, who need not be a shareholder, as his/her proxy to exercise all or any of his/her rights, to attend, speak and vote on his/her behalf at the meeting. If you wish to appoint a person other than the Chairman, please insert the name of your chosen proxy holder in the space provided (see reverse). If the proxy is being appointed in relation to less than your full voting entitlement, please enter in the box next to the proxy holder's name (see reverse) the number of shares in relation to which he/she is authorised to act as your proxy. If left blank your proxy will be deemed to be authorised in respect of your full voting entitlement (or if this proxy form has been issued in respect of a designated account for a shareholder, the full voting entitlement for that designated account).

2. To appoint more than one proxy, an additional proxy form(s) may be obtained by contacting the Registrar's helpline on 0870 707 1046 or you may photocopy this form. Please indicate in the box next to the proxy holder's name (see reverse) the number of shares in relation to which he/she is authorised to act as your proxy. Please also indicate by marking the box provided if the proxy instruction is one of multiple instructions being given. All forms must be signed and should be returned together in the same envelope.

3. The 'Vote Withheld' option overleaf is provided to enable you to abstain on any particular resolution. However, it should be noted that a 'Vote Withheld' is not a vote in law and will not be counted in the calculation of the proportion of the votes 'For' and 'Against' a resolution.

4. If you want your proxy to vote in a certain way at the meeting on the resolutions specified, please indicate this in the relevant boxes (see reverse). Unless otherwise instructed, your proxy can vote as he or she chooses or can decide not to vote at all. The proxy can also do this on any other resolution that is put to the meeting.

5. In the case of a joint holding, a proxy need only be signed by one joint holder. If more than one such joint holder tenders a vote, whether in person or by proxy, the vote of the senior shall be accepted to the exclusion of the votes of the other joint holders. Seniority is determined by the order in which the names appear in the Register of Members.

6. Pursuant to Regulation 41 of the Uncertificated Securities Regulations 2001, entitlement to attend and vote at the meeting and the number of votes which may be cast thereat will be determined by reference to the Register of Members of the Company at close of business on the day which is two days before the day of the meeting. Changes to entries on the Register of Members after that time shall be disregarded in determining the rights of any person to attend and vote at the Meeting.

7. To appoint one or more proxies or to give an instruction to a proxy (whether previously appointed or otherwise) via the CREST system, CREST messages must be received by the issuer's agent (ID number 3RA50) not later than 48 hours before the time appointed for holding the meeting. For this purpose, the time of receipt will be taken to be the time (as determined by the timestamp generated by the CREST system) from which the issuer's agent is able to retrieve the message. The Company may treat as invalid a proxy appointment sent by CREST in the circumstances set out in Regulation 35(5)(a) of the Uncertificated Securities Regulations 2001.

8. The above is how your address appears on the Register of Members. If this information is incorrect please ring the Registrar's helpline on 0870 707 1046 to request a change of address form or go to www.investorcentre.co.uk to use the online Investor Centre service.

9. Any alterations made to this form should be initialled.

10. The completion and return of this form will not preclude a member from attending the Meeting and voting in person.

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: (i) account holders; or (ii) uniquely designated accounts. The Company and Computershare Investor Services PLC accept no liability for any instruction that does not comply with these conditions.

All Named Holders

SG148

104679_39877_RUN_ONS/000001/000001/SG148

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How to get to the AGM

Proxy Form

Please complete this box only if you wish to appoint a third party proxy other than the Chairman. Please leave this box blank if you want to select the Chairman. Do not insert your own name(s).

I/We hereby appoint the Chairman of the Meeting OR the person indicated in the box above as my/our proxy to attend, speak and vote in respect of my/our full voting entitlement* on my/our behalf at the Annual General Meeting of Halma plc to be held at The Berkeley Hotel, Wilton Place, London SW1X 7RL on 24 July 2012 at 11.00 am, and at any adjourned meeting.

• For the appointment of more than one proxy, please refer to Explanatory Note 2 (see front).

☐ Please mark here to indicate that this proxy appointment is one of multiple appointments being made.

Ordinary Resolutions	For	Against	Vote Withheld
1. To receive the Accounts and the Reports of the Directors and the Auditors	☐	☐	☐
2. To declare a dividend	☐	☐	☐
3. To approve the Remuneration Report	☐	☐	☐
4. That Geoff Unwin be re-elected as a Director	☐	☐	☐
5. That Andrew Williams be re-elected as a Director	☐	☐	☐
6. That Kevin Thompson be re-elected as a Director	☐	☐	☐
7. That Stephen Pettit be re-elected as a Director	☐	☐	☐
8. That Neil Quinn be re-elected as a Director	☐	☐	☐
9. That Jane Aikman be re-elected as a Director	☐	☐	☐
10. That Adam Meyers be re-elected as a Director	☐	☐	☐

Please use a black pen. Mark with an X inside the box as shown in this example.

For	Against	Vote Withheld
11. That Lord Blackwell be re-elected as a Director	☐	☐
12. That Steve Marshall be re-elected as a Director	☐	☐
13. That Daniela Barone Soares be elected as a Director	☐	☐
14. That Deloitte LLP be reappointed as Auditors	☐	☐
15. That the Directors be authorised to determine the Auditors' remuneration	☐	☐
16. Authority to allot shares	☐	☐
Special Resolutions	☐	☐
17. Disapplication of pre-emption rights	☐	☐
18. Authority to purchase own shares	☐	☐
19. Notice of general meetings	☐	☐

I/We instruct my/our proxy as indicated on this form. Unless otherwise instructed the proxy may vote as he or she sees fit or abstain in relation to any business of the Meeting.

Signature

Date

DD/MM/YY

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).

H1046

HMA