Halma Regulatory News (HLMA)

HALMA p.l.c.

DIRECTORS' AND PDMR'S SHARE TRANSACTIONS

Halma has received notifications in respect of Adam Meyers and Neil Quinn, Directors, and John Campbell, PDMR, relating to their beneficial interests in the ordinary shares of the Company.

Adam Meyers and John Campbell have beneficial interests held through the Halma Holdings Inc. Profit Sharing Savings Retirement Plan (the 'Plan'). This is a unitised, US Dollar denominated 401(k) plan and dividends paid on the Plan's assets are re-invested for the benefit of members. As a result of the final dividend paid by the Company on 25 August 2010 at the rate of 5.19p per share, the interests held by each of them increase as follows:

ADAM MEYERS

Shares acquired as a result of the Plan dividend re-investment

Increased holding through the Plan

95

 5,012

In addition to the above, Adam Meyers also has a direct beneficial interest in Halma ordinary shares. After the above transaction, the total beneficial holding of Adam Meyers in the ordinary shares of the Company increases to 182,892 shares (0.0485% of the issued ordinary share capital excluding treasury shares).

JOHN CAMPBELL

Shares acquired as a result of the Plan dividend re-investment

Increased holding through the Plan

238

12,623

In addition to the above, John Campbell also has a direct beneficial interest in Halma ordinary shares. After the above transaction, the beneficial holding of John Campbell, including family interests, in the ordinary shares of the Company increases to 144,865 shares (0.0384% of the issued ordinary share capital excluding treasury shares).

NEIL QUINN

At a Meeting of the Share Plans Committee of the Board of Halma p.l.c. held on 07 September 2010, 63,800 additional ordinary shares in the Company were allotted under the provisions of the Company's Share Option Plans to Neil Quinn, a Director, following his exercise of a share option. The exercise price was 163.50 pence per share.

Following the share option exercise Neil Quinn sold 63,800 shares on 07 September 2010 at 281.4365 pence per share. After the above transactions, the beneficial holding of Neil Quinn, including family interests, in the ordinary shares of Halma p.l.c. remains at 218,689 shares (0.0580% of the issued ordinary share capital).

Following the issue of ordinary shares as a result of the share options exercised on 07 September 2010, the issued ordinary share capital of the Company, excluding treasury shares, increases to 376,931,518 shares.

For further information, please contact:

Andrew Williams +44 (0)1494 721111 Chief Executive, Halma p.l.c.

A copy of this announcement, together with other information about Halma, may be viewed on its website: www.halma.com