Holding(s) in Company

Halma PLC
01 February 2007


HALMA p.l.c.



                                NOTIFICATION OF MAJOR INTERESTS IN SHARES


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




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 January 2007
      reached:


6     Date on which issuer notified:                                        30 January 2007


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


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           26,043,318                              26,043,318




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           26,066,798                             26,066,798                   7.00




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
26,066,798                                            7.00




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:                          Carol Chesney
                                                                Company Secretary, Halma p.l.c.


15    Contact telephone number:                                 [phone]




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)            Barclays PLC


Contact address (registered office for legal entities)         1 Churchill Place

                                                               London E14 5HP


Phone number                                                   020 7166 2913


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 7166 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.












                      This information is provided by RNS
            The company news service from the London Stock Exchange