Trading Statement

Halma PLC
28 April 2005


                                HALMA p.l.c.

                              YEAR-END UPDATE


Halma, the leading safety, health and environmental technology group, today
announces that its performance for the 2004 /05 financial year is expected to be
in line with the previous year's results after accounting for the weakness of
the US Dollar throughout the year.


Good progress has been made by the two acquisitions completed earlier in the
year, Ocean Optics and Diba Industries. They have significantly increased the
strength of Halma's Optics and Specialist business, which has continued to
perform strongly.


The Group's Resistor and, in particular, Water Sectors continue to experience
difficult trading conditions.  In both cases, progress has already been made
towards improving prospects for the coming period.


Cash flow and operating margins have remained strong and the Group was ungeared
at the financial year end.






For further information, please contact:


Halma p.l.c.

Andrew Williams, Group Chief Executive                      [phone]
Kevin Thompson, Group Finance Director                      [phone]


Hogarth Partnership Limited
Rachel Hirst/Andrew Jaques                                 [phone]




Notes :

1.      Halma typically issues trading updates each April and October, ahead of 
        its full year and interim announcements.

2.      Halma's preliminary results for the year to 2 April 2005 will be 
        announced on 21 June 2005.

3.      A copy of this announcement, together with other information about Halma, 
        may be viewed on its website: www.halma.com




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