Director Shareholding

Halma PLC
20 September 2004


                                  HALMA p.l.c.

                         DIRECTOR'S INTEREST IN SHARES


Halma has received notification that Andrew Williams, a Director of the Company,
purchased 19,493 ordinary shares in the Company at 152.75p per share on 20
September 2004.

After the above transaction, the beneficial holding of Andrew Williams in the
ordinary shares of Halma amounts to 19,493 shares (0.0053% of the issued
ordinary share capital).


For further information, please contact:
Stephen O'Shea                                             [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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