MOSAID Files Notice of Appeal of Summary Judgement Ruling in Infineon Litigation

OTTAWA - Nov. 25, 2005 - MOSAID Technologies Incorporated (TSX:MSD) today announced that it has filed a Notice of Appeal in its litigation with Infineon Technologies. The Notice of Appeal effectively starts the appeal process of the New Jersey summary judgment ruling in the Infineon litigation. The appeal will be decided by the Court of Appeals for the Federal Circuit. Pursuant to an Order of the Northern District of California District Court on October 27, 2005, all remaining issues in the case are stayed pending the outcome of the appeal. Following the appeal the case will be transferred back to the Northern District of California District Court for trial.

About MOSAID
MOSAID Technologies Incorporated makes memory better through the development and licensing of intellectual property and the supply of memory test and analysis systems to semiconductor manufacturers, foundries and fabless semiconductor companies around the world.

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

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