ATI's RADEON 9700 PRO Wins PC World 2003 World Class Award.

Business Editors/High-Tech Writers

MARKHAM, Ontario--(BUSINESS WIRE)--June 26, 2003

ATI Technologies Inc. (NASDAQ:ATYT)(TSX:ATY) is proud to announce that its groundbreaking RADEON(TM) 9700 PRO graphics chip has been named by PC World magazine as its 2003 World Class Award winner in the Best Graphics Board category.

PC World editors had high praise for the RADEON 9700 PRO, which revolutionized the graphics industry by introducing a new era of cinematic-quality real time graphics, with features like a 256-bit memory interface, eight parallel rendering pipelines, complete Microsoft(R) DirectX(R) 9 support and fully programmable floating point architecture.

"The ultimate buyer's guide, the World Class Awards set the standard for excellence in the high-tech industry," stated Harry McCracken, editor of PC World. "From PDAs to privacy software, PCs to Web-Based applications, the editors reward the finest products and most outstanding performers in this annual award program. Congratulations to the RADEON 9700."

ATI has launched several new products based on RADEON 9700 technology, which is now recognized as the most powerful and feature-rich graphics architecture in the world.

"PC World's recognition means a lot to us and we thank PC World for acknowledging the excellence of our RADEON 9700 architecture," said Rick Bergman, Senior Vice President, Marketing and General Manager, Desktop, ATI Technologies Inc. "Our RADEON 9700 architecture was the biggest technological leap ever made by ATI and we are very proud that it has provided a platform for many new award-winning products."

The 2003 World Class Award winners are showcased in the July 2003 issue of PC World, which has a readership of more than 6.2 million and is the most widely read technology magazine in the world.

For more information about ATI's award winning product lineup, visit www.ati.com.

About ATI Technologies

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 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 markets. With 2002 revenues in excess of US $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). ATI sells its FireGL graphics solutions worldwide through workstation manufacturers and reseller channel partners.

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.