Director/PDMR Shareholding

Halma PLC
21 June 2007



                                 HALMA p.l.c.

                         DIRECTOR'S INTEREST IN SHARES


Halma p.l.c. has received notification from Mr E G Unwin, Chairman of the
Company, that his spouse purchased 30,000 ordinary shares in the Company at
234.5p per share on 20 June 2007.

After the above transaction, the beneficial holding of Mr Unwin, including
family interests, in the ordinary shares of Halma p.l.c. increases to 68,250
shares (0.0183% of  the issued ordinary share capital excluding treasury
shares).


For further information, please contact:

Andrew Williams                     Tel  [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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