Holding(s) in Company

Halma PLC
11 July 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 10 July 2007 in respect of Schroders
plc.


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



1     Identity of the issuer or the underlying issuer of existing shares to     
      which voting rights are attached:                 HALMA p.l.c.


2     Reason for the notification:                      An event changing the breakdown
                                                        of voting rights.


3     Full name of person(s) subject to the notification obligation: Schroders plc


4     Full name of shareholder(s):



5     Date of the transaction and date on which the threshold is crossed or 09 July 2007
      reached:


6     Date on which issuer notified:                               10 July 2007


7     Threshold(s) that is/are crossed or reached:                 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           N/A                                     N/A




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           N/A                       N/A          18,667,466       N/A         5.01%



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

18,667,466                                            5.01%



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

      Schroder Investment Management Limited:  18,240,766  4.90%
      Schroder Investment Management North America Limited:  416,700  0.11%
      S&Co Limited:  10,000  0.002%


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:                      The shares referred to in section 9 are held
                                                   in portfolios managed by those firms on a
                                                   discretionary basis for clients under
                                                   investment management agreements


14    Contact for further information:             Andrea Rowe



15    Contact telephone number:                    20 7658 2521





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.





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