Treasury Stock

HALMA plcTRANSFER OF TREASURY SHARES

Halma plc announces that on 20 September 2012, 2,863 ordinary shares held by the Company in Treasury were transferred to a participant of the Halma plc Performance Share Plan 2005 in satisfaction of awards which vested in accordance with the Rules of the Plan.

Following the above transfer, the Company holds 729,732 ordinary shares in Treasury. The total number of ordinary shares in issue (excluding treasury shares) is 377,940,240.

Contact for further information:

Carol ChesneyCompany Secretary, Halma plcTel: +44 (0)1494 721111

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