Director/PDMR Shareholding

Halma PLC
10 August 2005


                              HALMA p.l.c.

                       DIRECTOR'S INTEREST IN SHARES

Halma has received notification that Andrew Williams, a Director of the Company, 
purchased 17,000 ordinary shares in the Company at 148.5p per share on 
10 August 2005.

After the above transaction, the beneficial holding of Andrew Williams in the 
ordinary shares of Halma amounts to 36,493 shares (0.0099% of the issued 
ordinary share capital).

For further information, please contact:
Andrew Williams                                            [phone]
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



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