Directors' Notification of Dealing in Shares

Halma PLC
18 April 2000

               DIRECTOR'S SHARE TRANSACTIONS

At a Meeting of the Share Options Committee of the Board of Halma p.l.c. held
today, 296,126 additional Ordinary shares in the Company were allotted to 
Mr S R O'Shea, Chief Executive of the Company, following the exercise of options
under the provisions of the Company's Share Option Scheme.  The exercise prices
were as follows:

 34,762 shares at 46.67p per share
149,487 shares at 50.94p per share
 60,205 shares at 52.84p per share
  2,844 shares at 55.70p per share
 48,828 shares at 55.94p per share

Following the issue of Ordinary shares as a result of the exercise of share
options today, the issued Ordinary share capital of the Company is increased to
360,261,406 shares.

Halma p.l.c. has received notification that following the exercise of the
options set out above, Mr O'Shea has today sold 194,624 Ordinary shares in the
Company at 86p per share.

After the above transactions, the beneficial holding of Mr O'Shea in the
Ordinary shares of Halma p.l.c. increases to 222,482 shares (0.062% of the
issued Ordinary share capital).

Contact for further information: Ms E C Tredway
                                 Company Secretary, Halma plc
                                 Tel: [phone]