ATI Graphics Available for the First Time in New iMac G5

Business Wire, May 4, 2005

MARKHAM, Ontario -- For the first time since its introduction, the iMac G5 will feature graphics from ATI Technologies Inc. (TSX:ATY)(NASDAQ:ATYT). Leaders in the high-end graphics experience, ATI and Apple(R) have teamed to offer the Radeon(R) 9600 for both the iMac and eMac, giving users cinematic quality graphics for the full range of digital lifestyle applications. As Apple continues to broaden its consumer product line-up, ATI graphics are now available in the iMac, eMac, Mac mini, PowerBook, iBook and PowerMac.

"Apple continues to blaze a trail in 3D graphics, using the graphics processor for functions well beyond gaming. Having Apple recognize the value of integrating ATI graphics into the iMac is a real testament to our continuing technology leadership in the Apple market," said Rick Bergman, Senior Vice President, PC Business Unit, ATI Technologies. "The user experience remains the focus of both ATI and Apple and these new systems clearly carry on that tradition."

The new iMac and eMac feature the Radeon 9600, designed with 128MB of memory and 128 bit architecture, giving users incredible performance, resulting in a compelling graphics experience. The Radeon 9600 accelerates a range of applications, from presentations and real-time games to home entertainment and video editing.

ATI is the leading supplier of desktop and mobile graphics technology for the Apple platform, including retail boards and on-board systems. For more information about ATI's Mac products, please visit www.ati.com/products/mac.html

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 approximately 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)