Holding(s) in Company

Halma PLC
06 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 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    30 January 2007
      or reached:


6     Date on which issuer notified:                                        01 February 2007




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




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           26,066,798                              26,066,798




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           24,330,949                             24,330,949                   6.53




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
24,330,949                                            6.53




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




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 Global Investors


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.












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            The company news service from the London Stock Exchange