Holding(s) in Company

Halma PLC
29 November 2004


                                                    HALMA p.l.c.

                               INTEREST NOTIFIED UNDER SECTION 198 COMPANIES ACT 1985



Halma p.l.c. received notification on 29 November 2004 from Silchester International Investors Limited, acting as
investment manager for a number of commingled funds, that as a result of recent purchases/sales of ordinary shares
in Halma p.l.c. on behalf of its clients, they now have control over 65,887,378 ordinary shares representing 17.87%
of the issued ordinary share capital in the Company.

Silchester International Investors Limited do not act as custodian for their clients, and therefore the shares are
not held in their own name, but in the nominee name of the custodian banks of their clients, as follows:




Silchester Account                                 Nominee                            No of shares

Silchester International Investors International   Northern Trust Co                    18,517,637
Value Equity Group Trust


Silchester International Investors Tobacco Free    Northern Trust Co                     2,857,331
International Value Equity Trust


Silchester International Investors International   Northern Trust Co                    41,943,997
Value Equity Trust


The Calleva Trust                                  Northern Trust Co                     2,568,413
                                                                                        __________
                                                                                        65,887,378
                                                                                        __________




The previous notification by Silchester International Investors Limited dated 22 August 2002 showed they had control 
over a total of 65,511,005 shares on behalf of their clients.






Contact for further information:            Carol Chesney
                                            Company Secretary, Halma p.l.c
                                            Tel: [phone]




A copy of this announcement, together with other information about Halma, may be viewed on its web site www.halma.com.




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