2003 News Releases

"FOR IMMEDIATE RELEASE"

MOSAID Announces Resignation of General Counsel

OTTAWA, Ontario, Canada – September 29, 2003 – MOSAID Technologies Incorporated (TSX:MSD) today announced that James Skippen, Senior Vice President, Patent Licensing and General Counsel, will be resigning from his position with MOSAID effective September 30, 2003. Mr. Skippen will be joining McCarthy Tétrault, to lead its technology law practice in Ottawa.

"Jim has been a valued advisor and contributor to MOSAID’s success, particularly in the intellectual property business, in the negotiation of licenses and in the assertion of our intellectual property rights in the courts." said George Cwynar, MOSAID’s President and Chief Executive Officer. "I’m pleased to report that, from his new position at McCarthy Tétrault, Jim will maintain his role in patent licensing negotiations and will continue to provide assistance in the ongoing litigations with Samsung and Infineon, where we are being represented by Jones Day."

Effective October 1, 2003, William Middleton, MOSAID’s Senior Corporate Counsel, will assume the positions of General Counsel and Corporate Secretary.

About MOSAID
MOSAID Technologies Incorporated is an independent semiconductor company operating through two divisions:

• Intellectual Property – a developer and licensor of memory intellectual property.
• Systems – the leading supplier of engineering memory test and analysis systems to memory manufacturers, foundries and fabless chip companies around the world.

Founded in 1975, MOSAID is based in Ottawa, Ontario, Canada, with offices in Santa Clara, California; Newcastle upon Tyne, U.K; and Tokyo, Japan. For more information, visit the Company’s web site at www.mosaid.com.

Forward Looking Information
This document may contain forward-looking statements relating to the Company’s operations or to the environment in which the Company operates. Such statements are based on current expectations that are subject to a variety of risks and uncertainties that are difficult to predict and/or beyond MOSAID’s control. Actual results may differ materially from those expressed in any forward-looking statements, due to factors such as customer demand and timing of purchasing decisions, product and business mix, competitive products, pricing pressures as well as general economic and industry conditions. MOSAID assumes no obligation to update these forward-looking statements, or to update the reasons why actual results could differ from those reflected in any forward-looking statements. Additional information identifying risks and uncertainties is contained in other public filings with the Ontario Securities Commission.

For more information, please contact:

Investor Inquiries Heidi Vincent Director, Investor Relations & Communications 613-599-9539 x1205 vincent@mosaid.com

Media Inquiries Sara Haskill Communications Specialist 613-599-9539 x1228 haskill@mosaid.com