Acquisition

Halma PLC
11 June 2004


HALMA p.l.c.



COMPLETION OF ACQUISITION OF OCEAN OPTICS, INC.


The Board of Halma is pleased to announce that, Ocean Optics, Inc. has obtained
the approval of its shareholders at a meeting held on 8 June 2004 to accept the
offer from Halma and, all other conditions having been satisfied, the
acquisition of Ocean Optics, Inc. completed on 10 June 2004.


For further information, please contact:


Halma p.l.c.                                  [phone]

Stephen O'Shea, Chief Executive

Kevin Thompson, Finance Director


Hogarth Partnership Limited                   [phone]
Rachel Hirst/Andrew Jaques


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










                      This information is provided by RNS
            The company news service from the London Stock Exchange