3 July 2008

Zyzygy plc ('Zyzygy' or 'the Company')

Proposed reverse acquisition of investee company MarineTrack Limited ('MarineTrack') by XSN plc ('XSN')

Zyzygy is pleased to announce that it has agreed terms for the reverse acquisition of its investee company, MarineTrack Limited, by XSN plc (AIM: XSN), an AIM quoted cash shell. The Acquisition, which values MarineTrack at £1.475 million, is subject to approval of XSN shareholders at a general meeting to be held on 28 July. Should the acquisition receive the approval of XSN shareholders, the enlarged group will be re-admitted to AIM under the name MarineTrack Holdings plc.

MarineTrack is a telematics business supplying tracking, alert, alarm, monitoring and messaging solutions mainly to the commercial and recreational maritime markets

XSN has itself today announced the proposed acquisition and published a circular to shareholders.

Details will also be available on XSN plc's website: www.xsn-plc.co.uk

For further information:

Zyzygy plc

Duncan Lipscombe, Chairman

07775 681648

Grant Thornton Corporate Finance

Philip Secrett/Colin Aaronson

020 7383 5100