Merrill Lynch Hardware Heaven Technology Conference

MARKHAM, Ontario--(BUSINESS WIRE)--April 25, 2003--ATI Technologies Inc. (NASDAQ: ATYT)(TSX:ATY), a world leader in the design and manufacture of innovative 3D graphics and digital media silicon solutions, announced today that Dave Orton, President and COO, ATI Technologies Inc., will be presenting at the Merrill Lynch Hardware Heaven Technology Conference. The presentation will take place at the Palace Hotel, San Francisco, California on April 29 at 8:40 a.m. Pacific Daylight Time.

Access to the live audio feed will be available by clicking on the following web site: http://webcast.on24.com/clients/merrill/conference_030429/submit.html ?presenter=atitechnolo (Due to the length of this URL, it may be necessary to copy and paste this hyperlink into your Internet browser's URL address field.)

About the Company

ATI Technologies Inc. is a 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 visual processor unit (VPU) provider and is dedicated to deliver 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 markets. With 2002 revenues in excess of $1 billion, ATI has more than 1,900 employees in the Americas, Europe and Asia. ATI common shares trade on NASDAQ (ATYT) and the Toronto Stock Exchange (ATY).

Copyright 2003 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

CONTACT: ATI Technologies Inc.
             Chris Evenden, 905/882-2600 ext. 8107
             
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             or
             BenchMark Porter Novelli
             Anne Ferguson, 416/422-7154
             
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             or
             ATI Technologies Inc.
             Janet Craig, 905/882-2600, Ext. 2631
             
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