ATI and OSC Reach Settlement

    News Editors

    MARKHAM, Ontario--(BUSINESS WIRE)--March 29, 2005--Toronto - A panel of the Ontario Securities Commission (OSC) has approved a settlement agreement between Staff of the Commission and ATI Technologies Inc. (TSX:ATY)(NASDAQ:ATYT) relating to allegations that in 2000 the company did not make timely disclosure of a shortfall in earnings and made a misleading statement to staff of the OSC in the context of an investigation by Staff.

    Terms of the settlement include an agreement for ATI to pay CDN $900,000 in costs and settlement payments. ATI also agreed to provide a letter of comfort confirming its practices and procedures related to trading and corporate governance.

    Today the company said in a statement:

    "Settlement with the OSC is in the best interests of the company, our employees and our shareholders. We are pleased to put the matter behind us and to continue to focus on company operations.

    We continue to place trust and confidence in K.Y. Ho, the Chairman of the company and one of its founders, who is respected in the industry and the company for his personal integrity and as a pioneer of the PC graphics industry.

    Good corporate governance is important to the company. The latest evaluation by the Globe and Mail's Report on Business Survey of Companies on corporate governance placed ATI in the top half of Canadian companies. The company has also won awards from IR Magazine, including the Grand Prix for the best overall investor relations in 2004 as voted on by the investment community."

    Full details of the settlement are available on the OSC website: www.osc.gov.on.ca.

    About ATI Technologies

    ATI Technologies Inc. is the world leader in the design and manufacture of innovative 3D graphics and digital media silicon solutions. An industry pioneer since 1985, ATI is the world's foremost graphics processing unit (GPU) provider and is dedicated to delivering leading-edge performance solutions for the full range of PC and Mac desktop and notebook platforms, workstation, set-top and digital television, game console and handheld device markets. With 2004 revenues of US $2 billion, ATI has more than 2,700 employees in the Americas, Europe and Asia. ATI common shares trade on Nasdaq (ATYT) and the Toronto Stock Exchange (ATY).

    Copyright 2005 ATI Technologies Inc. All rights reserved. ATI and ATI product and product feature names are trademarks and/or registered trademarks of ATI Technologies Inc. All other company and product names are trademarks and/or registered trademarks of their respective owners. Features, pricing, availability and specifications are subject to change without notice.

    For media or industry analyst support, visit our Web site at http://www.ati.com

    ATI Technologies Inc. (TSX:ATY) (NASDAQ:ATYT)

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CONTACT: ATI Technologies Inc. Chris Evenden Director, Public Relations (905) 882-2629 cevenden@ati.com OR Other ATI Contacts: Porter Novelli Canada Trevor Campbell, Director (416) 422-7202 trevor.campbell@porternovelli.com OR For investor relations support, please contact: ATI Technologies Inc. Janet Craig, Director, Investor Relations (905) 882-2600, Ext. 2631 janet@ati.com

KEYWORD: NEW YORK INTERNATIONAL CANADA INDUSTRY KEYWORD: SOFTWARE SOURCE: ATI Technologies Inc.

Copyright Business Wire 2005