OTTAWA, ONTARIO, June 12, 2008 –– The Company hereby notifies that, following a review of the Company’s AIM listing by its Board, the Company has decided to cancel the admission of its common shares to trading on AIM with effect from 7.00 a.m. BST on 11 July 2008 (the “Cancellation Date”). The last trading day on AIM will be 10 July 2008.

Given the Company’s Canadian focused shareholder base, the Board concluded that the additional costs incurred in maintaining a second listing on AIM were inappropriate. Due to the relatively low number of the Company’s shareholders holding shares on the Depositary Interest register and the low volume of trading in shares on AIM, when compared with the regulatory and financial commitment required to maintain an AIM listing, the Board of the Company considers it in the best interests of the Company to seek a cancellation of its shares from trading on AIM. The relatively low profile of the Company on AIM, together with its low level of trading and the costs and inconveniences associated with an AIM listing, result in the Board’s opinion that such a listing cannot be justified.

The Company will still be maintaining its listing on the Toronto Stock Exchange (“TSX”) and shareholders wishing to trade the Company’s Common Shares after the Cancellation Date will be able to do so through that market. Shareholders should not therefore be materially prejudiced by the proposed cancellation of the AIM listing.

Depositary Interest holders should, within 90 days of receiving notice from the Company’s UK transfer agents Computershare Investor Services PLC (“Computershare”) of the termination of the Depositary Agreement, submit in the normal manner a “CREST Withdrawal form” and notify Computershare how they wish to deal with their shares. If the shares are to be held through a CDS Broker you will need to supply the CDS Deposit Reference of your agent in Canada.

Upon cancellation of the AIM listing, your Depositary Interests will be transferred into a certificated holding unless you have submitted a CREST Withdrawal form as mentioned above.

We encourage you to migrate your holding from AIM/Crest to TSX as soon as practical.
Shareholders are advised to consult their stockbroker, bank manager, solicitor, accountant or other independent professional adviser for the procedure to follow to transmit their shares to the Canadian shareholder register, or to contact Computershare Investor Services PLC, the Pavillions, Bridgwater Road, Bristol BS13 8AE, United Kingdom, Telephone: +44 (0) 870 702 0000, www.computershare.com web.queries@computershare.co.uk for the procedure to follow. For those not familiar with the Canadian securities system, public information on the Company can be accessed through www.sedar.com, an independent website on which all regulatory filings must be made.

FOR FURTHER INFORMATION, PLEASE CONTACT:

March Networks Corporation
Peter Wilenius, VP, Corporate Development
+1 613-591-8181
pwilenius@marchnetworks.com

Evolution Securities Limited
Robert Collins
+44 (0)20 7071 4300