Holding(s) in Company

Halma PLC
04 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 1 June 2007 in respect
of Barclays Global Investors.

Carol Chesney
Company Secretary, Halma p.l.c.
Tel [phone]


1     Identity of the issuer or the underlying issuer of existing shares to HALMA p.l.c.
      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:        Barclays Global Investors


4     Full name of shareholder(s):                                          Barclays Global Investors Ltd
                                                                            Barclays Global Investors, NA

5     Date of the transaction and date on which the threshold is crossed or 29 May 2007
      reached:

6     Date on which issuer notified:                                        30 May 2007


7     Threshold(s) that is/are crossed or reached:                          6% to 5%


8     Notified details:


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           22,709,907                              22,709,907


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           21,914,973                0            21,914,973                   5.88


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

Total (A+B)


Number of voting rights                               % of voting rights
21,914,973                                            5.88


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


Proxy Voting:

10    Name of the proxy holder:

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

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

13    Additional information:

14    Contact for further information:                          Geoff Smith

15    Contact telephone number:                                 020 7116 2913


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)

Contact address (registered office for legal entities)

Phone number

Other useful information (at least legal representative for
legal persons)


B:  Identity of the notifier, if applicable

Full name                                                      Geoff Smith

Contact address                                                Barclays PLC
                                                               1 Churchill Place
                                                               London E14 5HP

Phone number                                                   020 7116 2913

Other useful information (eg functional relationship with the
person or legal entity subject to the notification obligation)


C:  Additional information


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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