Director/PDMR Shareholding

Halma PLC
14 March 2008


                             HALMA p.l.c.

                     PDMRs' SHARE TRANSACTIONS



Halma has received notification from John Campbell and Adam Meyers, both PDMRs,
relating to their beneficial interests in the ordinary shares of Halma p.l.c.


As a result of the interim dividend paid by Halma on 6 February 2008 at the rate
of 3.00p per share, the interests held by each of them increases as follows:


Closing price of an ordinary share in Halma p.l.c. on 6 February 2008:  204.00p


JOHN CAMPBELL


John Campbell has a beneficial interest held through the Halma Holdings Inc.
Profit Sharing Savings Retirement Plan (the 'Plan').  This is a unitised, US
Dollar denominated 401(k) plan and dividends paid on the Plan's assets are re-
invested for the benefit of members.


Increase in number of shares as a result of dividend re-investment         131
Current holding through the Plan                                         9,050


In addition to the above, John Campbell also has a direct beneficial interest in
Halma ordinary shares. As a result of his participation in the Halma Dividend
Re-investment Plan ('DRIP') on 38,193 of those ordinary shares, this holding
increases by 556 shares to 38,749 shares.  The DRIP shares were acquired at a
cost of 203.75p per share.


After the above transactions, the beneficial holding of John Campbell, including
family interests, in the ordinary shares of Halma increases to 57,799 shares
(0.0155% of the issued ordinary share capital excluding treasury shares).




ADAM MEYERS



Adam Meyers has a beneficial interest held through the Halma Holdings Inc.
Profit Sharing Savings Retirement Plan (the 'Plan').  This is a unitised, US
Dollar denominated 401(k) plan and dividends paid on the Plan's assets are re-
invested for the benefit of members.

Increase in number of shares as a result of dividend re-investment          66
Current holding through the Plan                                         4,569


After the above transaction, the beneficial holding of Adam Meyers in the
ordinary shares of Halma is now 41,714 shares (0.0112% of the issued ordinary
share capital excluding treasury shares).


Due to the unitised nature of the 401(k) Plan and fluctuations in exchange
rates, the precise number of total ordinary shares in Halma p.l.c. in which John
Campbell and Adam Meyers are interested may fluctuate.




For further information, please contact:



Carol Chesney                                  [phone]
Company Secretary, 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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