Get a Head Start on Microsoft DirectX'R' 10 with ATI's Newest SDK

Market Wire, April, 2006

With the introduction of the latest software development kit (SDK), ATI Technologies Inc. (TSX:ATY)(NASDAQ: ATYT) is giving developers and artists the tools to fully leverage the power of unified shaders and the graphics processing unit (GPU) and a sneak peek at the possibilities of the future Microsoft DirectX® 10. With forward looking techniques like shadow volume extrusion and streaming out of animation data, the SDK has more than a dozen new samples of what could be possible with DirectX 10 and empowers developers to start creating the kind of breakthrough content the industry saw at the advent of DirectX® 9.

Having introduced a unified shader architecture for the Xbox 360, ATI has initiated an exciting shift in the graphics industry. The ability of the GPU to perform sophisticated tasks generally attributed to the CPU such as physics is becoming more and more relevant to the gaming industry. This latest SDK from ATI shows developers how they can best tap into this technology to incorporate techniques such as water simulation, inverse kinematics and simple collision detection. Rounding out the extensive content on the SDK is an emphasis on render-to-vertex buffer techniques and shows some of the ideas of what can be implemented on top of it.

"In 2002, ATI introduced the first DirectX 9 parts with the Radeon® 9700. With DirectX 10 on the horizon and the development of the industry's first unified shader architecture with the Xbox 360, ATI is again taking the leadership role and giving developers the tools to navigate this exciting transition," said Neal Robison, Director, ISV Relations, ATI. "ATI's GPUs are incredibly powerful and have the ability to perform powerful tasks such as physics that give developers a greater range of realism and sophistication for their games."

For more information on ATI's developer relations program or to download the SDK, please visit www.ati.com/developer .

About ATI Technologies

ATI Technologies Inc. is a world leader in the design and manufacture of innovative 3D graphics, PC platform technologies 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 fiscal 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).

Copyright 2006 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.

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Contacts: ISV Relations Carrie Maynard Public Relations Manager (905) 882-2600, Ext. 8181 cmaynard@ati.com Other ATI Contacts: High Road Communications Adam Zolis (416) 644-2237 azolis@highroad.com For investor relations support, please contact: ATI Technologies Inc. Zev Korman, Investor Relations (905) 882-2600, Ext. 3670 zev@ati.com