Holding(s) in Company

Halma PLC
08 January 2008


                                  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 7 January 2008 in respect of Capital
Research and Management Company ('CRMC').



For further information, please contact:

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



3     Full name of person(s) subject to the notification obligation:        Capital Research and Management
                                                                            Company


4     Full name of shareholder(s):




5     Date of the transaction and date on which the threshold is crossed or 03 January 2008
      reached:


6     Date on which issuer notified:                                        04 January 2008




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           18,408,886                              18,408,886




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           19,089,943                0            19,089,943       0           5.118%




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
n/a




Total (A+B)


Number of voting rights                               % of voting rights
19,089,943                                            5.118%




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:                          Gina Martinez




15    Contact telephone number:                                 00 1 213 615 0469








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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