Holding(s) in Company

Halma PLC 29 February 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 three notifications set out below on 27 and 28 February 2008 in respect of Barclays Global Investors. Carol Chesney Company Secretary, Halma p.l.c. Tel +44 (0)1494 721111 NOTIFICATION NUMBER 1 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: Barclays Global Investors 4 Full name of shareholder(s): Barclays Global Fund Advisors Barclays Global Investors Ltd Barclays Global Investors, NA 5 Date of the transaction and date on which the threshold is crossed or 8 January 2008 reached: 6 Date on which issuer notified: 28 February 2008 7 Threshold(s) that is/are crossed or reached: 6% to 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 22,531,006 22,531,006 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 22,204,745 0 22,204,745 0.00 5.95 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 22,204,745 5.95 9 Chain of controlled undertakings through which the voting Barclays Global Fund Advisors rights and/or the financial instruments are effectively held, if applicable: Barclays Global Investors Ltd 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 NOTIFICATION NUMBER 2 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: Barclays Global Investors 4 Full name of shareholder(s): Barclays Global Fund Advisors Barclays Global Investors Ltd Barclays Global Investors, NA 5 Date of the transaction and date on which the threshold is crossed or 20 February 2008 reached: 6 Date on which issuer notified: 28 February 2008 7 Threshold(s) that is/are crossed or reached: 5% to 4% 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 18,721,121 18,721,121 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 15,724,354 0 15,724,354 0.00 4.21 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 15,724,354 4.21 9 Chain of controlled undertakings through which the voting Barclays Global Fund Advisors rights and/or the financial instruments are effectively held, if applicable: Barclays Global Investors Ltd 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 NOTIFICATION NUMBER 3 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: Barclays Global Investors 4 Full name of shareholder(s): Barclays Global Fund Advisors Barclays Global Investors Ltd Barclays Global Investors, NA 5 Date of the transaction and date on which the threshold is crossed or 26 February 2008 reached: 6 Date on which issuer notified: 27 February 2008 7 Threshold(s) that is/are crossed or reached: 4% to 3% 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 14,924,935 14,924,935 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 14,646,007 0 14,646,007 0.00 3.93 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 14,646,007 3.93 9 Chain of controlled undertakings through which the voting Barclays Global Fund Advisors rights and/or the financial instruments are effectively held, if applicable: Barclays Global Investors Ltd 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. This information is provided by RNS The company news service from the London Stock Exchange

Companies

Halma (HLMA)
Investor Meets Company
UK 100