Revolutionary graphics chips awarded as the 'Best'
for desktop and mobile platforms

MARKHAM, ON, March 4, 2003 - ATI Technologies Inc. (TSX: ATY, NASDAQ: ATYT) today announced that it won the Best 3D Graphics Chip, the Best 3D Gaming Graphics Card and the Best Notebook Technology awards, as voted by readers of Tom's Hardware Guide. Since their launch last year, the RADEON(tm) 9700 PRO visual processing unit (VPU), the ALL-IN-WONDER® 9700 PRO graphics card and the MOBILITY(tm) RADEON(tm) 9000 have crushed the competition and have received top marks from consumers and opinion leaders across the industry.

"Consumers around the world recognize that ATI has the best graphics across all platforms," said Peter Edinger, Vice President and Managing Director, ATI Technologies (Europe) GmbH. "Our RADEON(tm) family destroys the competition on both desktop and mobile platforms, leading customers to look for the ATI logo before making a purchasing decision."

"ATI has had a very successful 2002, and Tom's Hardware Guide readers have rewarded the company with the top position in voting the best 3D gaming graphics card, best graphics chip, and best notebook technology," said Omid Rahmat, GM, Tom's Hardware Guide. "We congratulate ATI on its success with our audience of grassroots technologists. Tom's Hardware Guide readers are among the most discerning users and purchasers of technology in the PC industry."

Hailed as the Best 3D Graphics Chip on the market, the RADEON 9700 PRO VPU is the only chip to offer a 256-bit memory interface. Powered by eight parallel rendering pipelines, Microsoft® DirectX® 9.0 support, AGP 8X support and a fully programmable floating point architecture, the RADEON 9700 PRO is the graphics chip of choice for gamers and hardware enthusiasts. ATI's ALL-IN-WONDER 9700 PRO, the Best 3D Gaming Graphics Card, combines the fastest 3D gaming performance with the best television and entertainment features. With 128MB DDR memory, the ALL-IN-WONDER 9700 PRO offers the industry's first REMOTE WONDER(tm), allowing users to access their computer through a radio frequency remote control. The ALL-IN-WONDER 9700 PRO also supports Microsoft® DirectX® 9.0, AGP 8X, and uses THEATER(tm) 200 for stereo and video decoding and processing.

For gamers and enthusiasts on the go, the MOBILITY RADEON 9000 is the only choice. Proclaimed the Best Notebook Technology, the MOBILITY RADEON 9000 is 40 per cent faster than the nearest competing product. As the first mobile chip to offer DirectX® 8.1 support, the MOBILITY RADEON 9000 blazes through the latest games with the highest visual quality available on a laptop with the lowest power consumption.

The Tom's Hardware Guide Best of 2002 Readers' Choice Awards recognize hardware products of the highest quality design and service to users and are considered a hallmark of good product design, performance, quality and value. With 2.2 million unique visitors and 42 million page impressions each month, Tom's Hardware Guide is one of the most widely read and well-respected online publications in the computer hardware world.

For more information on ATI's award-winning product lineup, visit http://www.ati.com.

About Tom's Hardware Guide
Tom's Hardware Guide is the Internet's premiere resource for PC hardware reviews and news. THG delivers hard-hitting articles and reports to tech-savvy IT professionals, technology innovators and early adopters looking to buy PC hardware products and services.
Launched in 1996 by Dr. Thomas Pabst, the site is now the best source for independent editorial reviews of cutting edge computer hardware. Tom leads a team of veteran journalists and technology editors who are committed to maintaining the site's no holds barred brand of technology journalism. As a result, Tom's Hardware Guide readers have come to rely on the site for unbiased and authoritative articles on the products that matter to them, and to help them make smart purchasing decisions.


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 2001 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).
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