Director/PDMR Shareholding

HALMA p.l.c.

DIRECTOR'S INTEREST IN SHARES

In accordance with 3.1.2R of the Disclosure Rules, notification is hereby given that Richard Stone (non-executive Director) sold 10,000 shares at 418.7 pence per share on 11 July 2011.

Following the above transaction, the beneficial holding of Richard Stone in the ordinary shares of Halma p.l.c. is 10,000 shares (0.003% of the issued ordinary share capital excluding treasury shares).

For further information, please contact:

Andrew Williams Tel +44 (0)1494 721111Chief 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