Holding(s) in Company

Halma PLC
30 May 2006



                                             HALMA p.l.c.



                            INTEREST NOTIFIED UNDER COMPANIES ACT 1985 - PART VI





Halma p.l.c. has received notification from Barclays PLC that as at 22 May 2006 Barclays PLC, though the
legal entities listed below, had a notifiable interest in the capital of the Company of 7.01%.



Details of this interest, together with a breakdown between registered holders (as required by Section 202(3)
of the Companies Act 1985), are as follows:




Legal Entity Report



As at 22 May 2006 Barclays PLC, through the legal entities listed below, had a notifiable interest in
25,891,147 Ord GBP 0.10 shares representing 7.01% of the issued share capital of 369,179,280 units.


Legal Entity                                                              Holding         Percentage held

Barclays Global Investors, N.A.                                         4,024,473                  1.0901
Barclays Bank Trust Company Ltd                                             3,500                  0.0009
Barclays Global Investors Ltd                                          19,487,085                  5.2784
Gerrard Ltd                                                             1,220,252                  0.3305
Barclays Life Assurance Co Ltd                                            615,199                  0.1666
Barclays Global Investors Australia Ltd                                   286,874                  0.0777
Barclays Capital Securities Ltd                                           253,764                  0.0687
Group holding                                                          25,891,147                  7.0131







Registered Holders Report



As at 22 May 2006 Barclays PLC, through the registered holders listed below, had a notifiable interest in
25,891,147 Ord GBP 0.10 shares representing 7.01% of the issued share capital of 369,179,280 units.


Registered holder                                                        Holding

Bank of Ireland                                                          732,278

Barclays Capital Nominees Limited                                        253,764

Barclays Trust Co R69                                                      3,500

BNP Paribas                                                               62,044

BOISS Nominees Ltd                                                       222,939

Chase Nominees Ltd                                                    14,977,540

CIBC Mellon Global Securities                                             41,151

Gerrard Nominees Ltd                                                       1,920

Greig Middleton Nominees Limited (GM1)                                    48,585

Investors Bank and Trust Co                                            3,200,887

JP Morgan (BGI Custody)                                                4,169,527

JP Morgan Chase Bank                                                     286,874

Mellon Trust - US Custodian                                               99,416

Mellon Trust of New England                                               99,140

Northern Trust Bank - BGI SEPA                                           288,780

R C Greig Nominees Limited                                               692,739

R C Greig Nominees Limited a/c AK1                                       389,096

R C Greig Nominees Limited a/c BL1                                        45,718

R C Greig Nominees Limited a/c CM1                                         5,050

R C Greig Nominees Limited GP1                                            19,544

R C Greig Nominees Limited SA1                                            17,600

State Street Bank & Trust - W1                                            72,626

State Street Trust of Canada                                              93,503

The Northern Trust Company                                                66,926

                                              Total                   25,891,147







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.








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