Sector change

Halma PLC
19 June 2006


                               HALMA p.l.c.





          TRANSFER OF FTSE AND DOW JONES SECTOR CLASSIFICATION TO
                       ELECTRONIC & ELECTRICAL EQUIPMENT





Halma is pleased to note that FTSE has agreed to the reclassification of 
Halma p.l.c. from subsector 2757, 'Industrial Machinery', to subsector 2737, 
'Electronic Equipment'.






Contact for further information:             Andrew Williams
                                             Chief Executive, 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