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Halma PLC 10 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 9 July 2007 in respect of Barclays Global Investors. Carol Chesney Company Secretary, Halma p.l.c. Te l +44 (0)1494 721111 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 03 July 2007 reached: 6 Date on which issuer notified: 09 July 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 21,879,285 21,879,285 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 23,227,583 0 23,227,583 0 6.23 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 23,227,583 6.23 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 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 7116 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 7116 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. This information is provided by RNS The company news service from the London Stock Exchange

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Halma (HLMA)
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