Holding(s) in Company

Halma PLC
23 March 2007


                                 HALMA p.l.c.

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



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



2     Reason for the notification:                                    Other (please specify): Transitional
                                                                      notification



3     Full name of person(s) subject to the notification obligation:  Sprucegrove Investment Management
                                                                      Limited


4     Full name of shareholder(s):




5     Date of the transaction and date on which the threshold is crossed or Transitional notification
      reached:


6     Date on which issuer notified:                                        16.03.07




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 voting rights
GB0004052071           24,361,142                               6.54%




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           24,361,142                24,361,142                    6.54%






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
24,361,142                                            6.54%




9     Chain of controlled undertakings through which the voting rights and/or the financial instruments are
      effectively 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:                          Angie Visentin




15    Contact telephone number:                                 [phone] x.237






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)            Sprucegrove Investment Management Limited


Contact address (registered office for legal entities)         181 University Avenue, Suite 1300

                                                               Toronto, Ontario

                                                               M5H 3M7

                                                               Canada


Phone number                                                   [phone]


Other useful information (at least legal representative for    Blake Murphy
legal persons)




B:  Identity of the notifier, if applicable


Full name                                                      Angie Visentin


Contact address                                                181 University Avenue, Suite 1300

                                                               Toronto, Ontario

                                                               M5H 3M7

                                                               Canada


Phone number                                                   [phone] x.237


Other useful information (eg functional relationship with the  Portfolio Administrator
person or legal entity subject to the notification obligation)






Contact for further information:                    Carol Chesney
                                                    Company Secretary, Halma p.l.c
                                                    Tel: [phone]




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