Holding(s) in Company

Halma PLC
03 August 2007


HALMA p.l.c.



                                      NOTIFICATION OF MAJOR INTERESTS IN SHARES



In conformity with the Transparency Directive, Halma p.l.c. is required to announce to the market the receipt of
notifications of major interests in shares.  Halma received the notice below on 1 August 2007 in respect of Barclays
Global Investors.



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



                                                                            An event changing the breakdown
                                                                            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 31 July 2007
      reached:


6     Date on which issuer notified:                                        01 August 2007




7     Threshold(s) that is/are crossed or reached:                          5% 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           21,770,128                              21,770,128




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           22,459,710                0            22,459,710       0           6.03




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
22,459,710                                            6.03




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








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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