Holding(s) in Company

Halma PLC
08 June 2007


                                    HALMA p.l.c.

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

In conformity with the Transparency Directive, Halma p.l.c. ('Halma') is
required to announce to the market the receipt of notifications of major
interests in shares.  Halma received the notice below on 7 June 2007 in respect
of Silchester International Investors Limited.


Carol Chesney

Company Secretary, Halma p.l.c.

Tel [phone]


1     Identity of the issuer or the underlying issuer of existing     HALMA p.l.c.
      shares to which voting rights are attached:



2     Reason for the notification:                                    An acquisition or disposal of voting
                                                                      rights



3     Full name of person(s) subject to the notification obligation:  Silchester International Investors
                                                                      Limited


4     Full name of shareholder(s):           Silchester International Investors International Value Equity
                                             Trust



                                             Silchester International Investors International Value Equity
                                             Group Trust



                                             Silchester International Investors Tobacco Free International
                                             Value Equity Trust



                                             The Calleva Trust


5     Date of the transaction and date on which the threshold is crossed or 06/06/07
      reached:


6     Date on which issuer notified:                                        07/06/07




7     Threshold(s) that is/are crossed or reached:                          7%




8     Notified details:                                                     N/A




A:  Voting rights attached to shares




Class/type of shares   Situation previous to the triggering transaction
If possible using the
ISIN code
                       Number of shares                         Number of voting rights
GB0004052071           27,094,195                               27,094,195




Class/type of shares   Resulting situation after the triggering transaction
If possible using the
ISIN code
                       Number of shares          Number of voting rights       % of voting rights
                                                 Direct          Indirect      Direct      Indirect
GB0004052071           25,829,195                25,829,195                    6.94%



B:  Financial instruments




Resulting situation after the triggering transaction


Type of financial    Expiration date Exercise/Conversion     Number of voting rights % of voting rights
instrument                           Period/Date             that may be acquired if
                                                             the instrument is
                                                             exercised/converted
N/A                  N/A             N/A                     N/A                     N/A




Total (A+B)


Number of voting rights                               % of voting rights


25,829,195                                            6.94%




9     Chain of controlled undertakings through which the voting rights and/or the financial instruments are
      effectively held, if applicable:


      N/A




Proxy Voting:


10    Name of the proxy holder:                              Silchester International Investors Limited


11    Number of voting rights proxy holder will cease to     N/A
      hold:


12    Date on which proxy holder will cease to hold voting   N/A
      rights:




13    Additional information:                                   Silchester International Investors Limited
                                                                ('Silchester') acts as investment manager
                                                                for the clients detailed in Question 4 above
                                                                (our 'Clients'). In acting for our Clients,
                                                                Silchester are given full discretion over
                                                                their investments and are empowered to vote
                                                                on their behalf.  However, we do not act as
                                                                our Clients' custodian and therefore shares
                                                                are not held in our name but in the name of
                                                                each Client's custodian bank.


14    Contact for further information:                          Timothy Linehan, Compliance Officer




15    Contact telephone number:                                 020 7518 7125






Annex to Notification of Major Interests in Shares




A:  Identity of the person or legal entity subject to the notification obligation


Full name (including legal form for legal entities)            Silchester International Investors Limited


Contact address (registered office for legal entities)         Time & Life Building

                                                               1 Bruton Street, 5th Floor

                                                               London W1J 6TL


Phone number                                                   020 7518 7125


Other useful information (at least legal representative for    Attn: Timothy Linehan, Compliance Officer
legal persons)




B:  Identity of the notifier, if applicable


Full name                                                      Silchester International Investors Limited


Contact address                                                Time & Life Building

                                                               1 Bruton Street, 5th Floor

                                                               London W1J 6TL


Phone number                                                   020 7518 7125


Other useful information (eg functional relationship with the  Attn: Timothy Linehan, Compliance Officer
person or legal entity subject to the notification obligation)






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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            The company news service from the London Stock Exchange            MTMMTMBJR