Holding(s) in Company

Halma PLC
12 July 2005


                                                HALMA p.l.c.

                           INTEREST NOTIFIED UNDER SECTION 198 COMPANIES ACT 1985



Halma p.l.c. received the following notification on 8 July 2005 from Silchester International Investors
Limited.



Silchester International Investors Limited ('Silchester') acts as an Investment Manager for a number of
commingled funds (its 'Clients').  In acting for its Clients, Silchester are given full discretion over
their investments, and are empowered to vote on their behalf.  However, Silchester do not act as their
Custodian, and therefore shares are not held in the name of Silchester, but in the nominee name of its
Clients' Custodian bank.



In addition, Silchester holds 49.9% of the issued share capital of Sanderson Asset Management Limited ('
Sanderson'), a UK limited company that also acts as an Investment Manager for a number of commingled funds
and separate accounts.  In acting for its clients, Sanderson are given full discretion over their
investments, and are empowered to vote on their behalf.  However, Sanderson do not act as its clients'
Custodian and therefore shares are not held in Sanderson's name, but in the nominee name of Sanderson's
clients' Custodian bank.



Silchester's share ownership in Sanderson does not allow Silchester to exercise any direct or indirect
control over Sanderson's investment strategy, philosophy or implementation, the investments that Sanderson
may purchase or sell on behalf of its clients, or the manner in which Sanderson may vote proxies that arise
from its client investments.  However, Silchester is deemed to have an 'interest' in shares that Sanderson
controls by virtue of Section 203(2)(b) of the Companies Act 1985.



Recent purchases/sales of shares in Halma p.l.c. by Silchester, on behalf of its clients, have resulted in
Silchester having an interest in the following shares (also see table below):


SILCHESTER                             65,887,378


Recent purchases/sales of shares in Halma p.l.c. by Sanderson, on behalf of its clients, have resulted in
Sanderson having an interest in the following shares, and Silchester having an interest over the same shares
for the purposes of Section 203(2)(6) of the Companies Act 1985 (also see table below):


SANDERSON                              10,078,500


Silchester's records show that Halma p.l.c. have the following shares in that class:




HALMA p.l.c.                           368,800,919


As such, Silchester has an interest over 20.60% of the shares of that class.  One of Silchester's clients
controls 11.33% of the shares of that class and another client controls 5.02%.  This interest is being
notified in fulfillment of the obligations imposed by Sections 198-202 of the Companies Act 1985. Silchester
does not have an interest mentioned in Section 208(5) of the Companies Act 1985 in any of the shares to
which this notification relates.







Registered holder(s) and the number of shares held by each of them:







Silchester International Investors Limited

Client ownership


Silchester Account                   Nominee                % of Class               Share-      Voting
                                                                                     holding     Authority
                                                                                     
Silchester International Investors   Northern Trust Co               5.02         18,517,637           Yes
International Value Equity Group
Trust


Silchester International Investors   Northern Trust Co               0.80          2,968,657           Yes
Tobacco Free International Value
Equity Trust


Silchester International Investors   Northern Trust Co              11.33         41,792,919           Yes
International ValueEquity Trust


The Calleva Trust                    Northern Trust Co               0.71          2,608,165           Yes


                                     Total                                        65,887,378








Sanderson Asset Management Limited

Client ownership


Silchester Account                   Nominee                       % of Class        Share-         Voting
                                                                                     holding        Authority
                                                                                     
BUST                                 Northern Trust Co               0.88          3,249,000           Yes
GRIT                                 Northern Trust Co               0.42          1,553,000           Yes
OCEAN                                Northern Trust Co               0.04            158,500           Yes
PEARL                                Northern Trust Co               0.02             60,000           Yes
RIVAL                                Northern Trust Co               0.03            113,000           Yes
STAMP                                Northern Trust Co               0.05            191,000           Yes
TRAY                                 Northern Trust Co               0.25            938,600           Yes
WINDY                                Northern Trust Co               0.07            253,000           Yes
CAT                                  Pictet & Cie                    0.06            206,000           Yes
DYN                                  State Street                    0.06            228,000           Yes
EUF                                  State Street                    0.20            730,000           Yes
IVF                                  State Street                    0.07            266,000           Yes
MINI                                 State Street                    0.17            613,000           Yes
GOLF                                 Bank of New York                0.04            152,000           Yes
TIME                                 Bank of New York                0.01             52,000           Yes
INGOT                                Mellon Trust                    0.10            352,000           Yes
OVAL                                 Mellon Trust                    0.09            324,400           Yes
WHEAT                                Mellon Trust                    0.10            361,000           Yes
RAIN                                 Citigroup                       0.08            278,000           Yes


                                                      Total                       10,078,500




Contact for further information:                    Kevin Thompson
                                                    Finance Director, 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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