Holding(s) in Company

Halma PLC
21 June 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 15 June 2006
Barclays PLC, though the legal entities listed below, had a notifiable interest
in the capital of the Company of 11.03%.

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 15 June 2006 Barclays PLC, through the legal entities listed below, had a
notifiable interest in 40,716,807 ordinary GBP 0.10 shares representing 11.03%
of the issued share capital of 369,179,280 shares.


Legal Entity                                     Holding         Percentage held

Barclays Capital Securities Ltd                  343,452                  0.0930
Barclays Global Investors Ltd                 27,712,130                  7.5074
Barclays Bank Trust Company Ltd                    3,500                  0.0009
Gerrard Ltd                                    1,601,920                  0.4340
Barclays Global Investors, N.A.                8,621,220                  2.3355
Barclays Capital Inc                              10,000                  0.0027
Barclays Bank PLC                                376,129                  0.1019
Barclays Life Assurance Co Ltd                   615,199                  0.1667
Woolwich Unit Trust Managers Ltd                 735,698                  0.1993
Barclays Global Investors Australia Ltd          697,559                  0.1890
                 Group holding                40,716,807                 11.0304


Registered Holders Report


As at 15 June 2006 Barclays PLC, through the registered holders listed below,
had a notifiable interest in 40,716,807 ordinary GBP 0.10 shares representing
11.03% of the issued share capital of 369,179,280 shares.


Registered holder                                                        Holding

Bank of Ireland                                                        1,198,412
Bank of Ireland Nominees                                                 376,129
Bank of New York                                                       1,779,718
Barclays Capital Nominees Limited                                        353,452
Barclays Trust Co R69                                                      3,500
BNP Paribas                                                              114,980
BNY (OCS) Nominees Ltd                                                   362,147
BOISS Nominees Ltd                                                       222,939
Chase Nominees Ltd                                                    17,049,866
CIBC Mellon Global Securities                                             88,127
Citibank                                                                 249,801
Gerrard Nominees Ltd                                                       1,920
Greig Middleton Nominees Limited (GM1)                                    48,585
HSBC                                                                     513,514
Investors Bank and Trust Co                                            6,912,065
JP Morgan (BGI Custody)                                                5,426,285
JP Morgan Chase Bank                                                     697,559
Mellon Bank                                                              791,341
Mellon Trust - US Custodian                                              195,649
Mellon Trust of New England                                              200,167
Midland Bank (HSBC Bank PLC)                                             178,885
Northern Trust                                                           844,103
Northern Trust Bank - BGI SEPA                                           617,949
R C Greig Nominees Limited                                               898,338
R C Greig Nominees Limited a/c AK1                                       514,325
R C Greig Nominees Limited a/c BL1                                        59,487
R C Greig Nominees Limited a/c CM1                                         5,050
R C Greig Nominees Limited GP1                                            49,715
R C Greig Nominees Limited SA1                                            24,500
State Street                                                             446,016
State Street Bank & Trust - W1                                           147,266
State Street Trust of Canada                                             200,281
The Northern Trust Company                                               144,736
                                              Total                   40,716,807




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