Treasury Stock

HALMA p.l.c. TRANSFER OF TREASURY SHARES

Halma p.l.c. announces that on 4 June 2010 it transferred 6,585 ordinary shares, held by the Company in Treasury, to an employee of the Halma Group in satisfaction of awards which vested in accordance with the Rules of the Company's Performance Share Plan.

Following the above transfer, the Company holds 1,523,217 ordinary shares in Treasury. The total number of ordinary shares in issue (excluding treasury shares) is 376,198,777.

Contact for further information:

Carol Chesney Company Secretary, Halma p.l.c. Tel: +44 (0)1494 721111

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