ATI is graphics provider of choice for new OEM PCIe Systems

[Apoptosis]

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OEMs and system builders resoundingly choose ATI's native PCI Express graphics solutions for new systems

MARKHAM, ON, June 22, 2004 - ATI Technologies Inc. (TSX: ATY, NASDAQ: ATYT) today announced it has been chosen by the majority of leading OEMs worldwide to provide the visual processors in their new PCI Express systems.

World-leading OEMs that have chosen ATI's PCI Express graphics solutions
include:

* ACER
* Dell
* eMachines
* Fujitsu-Siemens
* Gateway
* IBM
* MPC Computers
* NEC
* Packard Bell
* Sony


World-leading system builders that have chosen ATI's PCI Express graphics solutions include:


* Able Computers
* ABS Computer Technologies
* Alienware
* Aspect Computer Corp
* Cyberpower
* Epson Direct
* Falcon Northwest
* Hypersonic
* iBUYPOWER
* MDG Computers Canada
* Medion AG
* Monarch Computer Systems
* PC Club
* Systemax
* Totally Awesome Computers
* Velocity Micro
* ViciousPC
* VoodooPC
* ZT Group


Additional OEM and system integrator partners will be announced once their PCI Express systems are publicly available. The transition from AGP systems to PCI Express based systems is happening extremely quickly across all market segments.

"ATI's RADEON X-series of PCI Express graphics cards is clearly the solution of choice for OEMs and system builders," said Rick Bergman, Senior Vice President marketing and General Manager, Desktop, ATI Technologies.
"We have worked hand-in-hand with our OEM partners to ensure that they, together with Intel for the launch of PCI Express motherboards and chipsets, are able to bring the most robust family of PCI Express systems to market, resulting in a virtual clean-sweep. Our top-to-bottom family of native PCI Express visual processors, the RADEON(tm) X300, RADEON(tm) X600 and RADEON(tm) X800, allow OEMs to deliver full PCI Express performance to consumers and businesses at price points to suit every application."

"We're pleased to have worked together to bring this exciting new technology to market," said Gerald Holzhammer, vice president Desktop Platforms Group and general manager Platform Architecture and Solutions Division at Intel Corporation. "PCI Express represents a new foundation for I/O technology and we are proud to see this revolutionary technology grow from draft specification to product in less than two years."

For more information on ATI's PCI Express products please visit http://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 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
2003 revenues in excess of US $1.3 billion, ATI has more than 2,500 employees in the Americas, Europe and Asia. ATI common shares trade on NASDAQ (ATYT) and the Toronto Stock Exchange (ATY).