Apple's Breakthrough New iMac'R' Features ATI's Radeon'R' Graphics to Deliver a State of the Art Visual Experience for Consumers.

MARKHAM, Ontario -- ATI's Radeon(R) X1600 Ushers in Discrete PCI Express(R) Graphics to iMac

As innovators in the user experience, Apple(R) continues to deliver the best to its customers with the new iMac(R) featuring powerful PCI Express(R) based graphics by ATI Technologies Inc. (TSX:ATY)(NASDAQ:ATYT). Apple is offering ATI's award-winning Radeon(R) X1600 for the iMac, introducing an impressive consumer platform with state of the art discrete graphics. With incredible efficiency and power, the Radeon X1600 enables users to get the most out of not only the extensive feature set of the iMac, but to leverage all the capabilities of the Mac OS X Tiger, including Core Image and ATI's Avivo(TM) technology to deliver superior display quality.

"Apple has always understood the important synergy of performance and image quality and continual innovation within their product lines," said Rick Bergman, Senior Vice President, PC Business Unit, ATI Technologies. "As ATI continues to innovate in graphics, one thing remains the same - our dedication and wide ranging support of the Apple market, which has again been rewarded by Apple's selection of the Radeon X1600 in the iMac and decision to include powerful high end graphics in a leading consumer platform."

The iMac features the Radeon X1600, designed with up to 256MB of high speed memory, giving users incredible performance, resulting in a compelling graphics experience to match the powerful capabilities of the iMac. Designed to provide optimum performance in games and to seamlessly drive photo editing, video and high end content creation applications, the Radeon(R) X1600 delivers superior performance and image quality and delivers the utmost display quality for color purity, scaling, dithering and DVD playback with ATI's Avivo technology.

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 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 graphics processor unit (GPU) 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 device markets. With 2005 revenues of US $2.22 billion, ATI has more than 3,400 employees in the Americas, Europe and Asia. ATI common shares trade on NASDAQ (ATYT) and the Toronto Stock Exchange (ATY).

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