Additional Listing

Halma PLC
19 October 2005


                                 HALMA p.l.c.

                        Application for Block Listing


Application has been made to the UK Listing Authority for a block listing of
1,400,000 ordinary shares of 10 pence each to be admitted to the Official List
and to the London Stock Exchange for admission of the same number of ordinary
shares to trading on the London Stock Exchange.


These shares will rank pari passu with existing ordinary shares in issue, and
will be allotted from time to time in accordance with the exercise of options
under the Halma 1996 Unapproved Share Option Scheme.


For further information, please contact:
Carol Chesney, Company Secretary                      [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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