Holding(s) in Company

Halma PLC
27 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 26 June 2007 in respect
of Barclays PLC



Carol Chesney
Company Secretary, Halma p.l.c.
Te l [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 PLC




4     Full name of shareholder(s):                         Barclays Bank PLC
                                                           Barclays Bank Trust Company Ltd
                                                           Barclays Capital Securities Ltd
                                                           Barclays Global Investors Ltd
                                                           Barclays Life Assurance Co Ltd
                                                           Barclays Stockbrokers Ltd
                                                           Gerrard Investment Management Ltd
                                                           Walbrook Trustees (Guernsey) Ltd
                                                           Walbrook Trustees (Jersey) Ltd

5     Date of the transaction and date on which the threshold is crossed or 21 June 2007
      reached:


6     Date on which issuer notified:                                        25 June 2007


7     Threshold(s) that is/are crossed or reached:                          4% to 3%


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           14,933,731                              14,933,731




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           14,556,158                0            14,556,158                   3.91




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
14,556,158                                            3.91




9     Chain of controlled undertakings through which the voting Barclays Bank PLC
      rights and/or the financial instruments are effectively
      held, if applicable:                                      Barclays Bank Trust Company Ltd
                                                                Barclays Capital Securities Ltd
                                                                Barclays Global Investors Ltd
                                                                Barclays Life Assurance Co Ltd
                                                                Barclays Stockbrokers Ltd
                                                                Gerrard Investment Management Ltd
                                                                Walbrook Trustees (Guernsey) Ltd
                                                                Walbrook Trustees (Jersey) Ltd

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


Contact address
Phone number


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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