ATI Leverages Leadership in Mac and PC Markets with the Introduction of the
Radeon 9600 Pro PC and Mac Edition

New AGP graphics upgrade delivers Apple 30-inch display support in one card
for both Mac and Windows

Markham, Ontario — August 19, 2005 — As the world leader in discrete
graphics for both the Mac and PC platforms, ATI Technologies Inc. (TSX:ATY,
NASDAQ:ATYT), is introducing the Radeon 9600 Pro PC and Mac Edition, the
first graphics card to support both platforms. While maintaining all the
key software features for Mac OS X and Windows XP that users of ATI
products for the Mac and PC have come to rely on, the Radeon 9600 Pro PC
and Mac Edition offers dual-link capabilities to support ultra
high-resolution flat panel monitors like the Apple 30-inch Cinema Display.
The AGP based Radeon 9600 Pro PC and Mac Edition is available for $199

This new card features one of ATI’s most popular graphics processors for
AGP systems — the Radeon 9600 Pro – and includes 256MB of dedicated
high-speed memory, has 128-bit memory interface and advanced DirectX 9.0
shader support with floating point precision. Users will experience
tremendous graphics performance, plus the ability to drive ultra
high-resolution monitors up to 2560×1600 resolution or better thanks to the
card’s dual-link DVI display support.

“By providing one card as a solution for two distinct platforms, ATI is
making purchasing decisions easy for the computer user. There is no
confusion as to whether the card will work in a Mac or a PC, because the
Radeon 9600 Pro PC and Mac Edition will provide incredible performance and
image quality in both,” said Rich Heye, Vice President, Desktop Discrete
Graphics, ATI. “As ultra-high resolution monitors have become increasingly
popular for mainstream users, the dual-link functionality has become an
important feature of graphics cards and ATI is unmatched in the consumer
space at this price.”

The dual platform Radeon 9600 Pro PC and Mac Edition is AGP 2.0 compliant,
compatible with both AGP 4X and 8X systems, including Apple’s Power Mac G4
series, Power Mac G5 and tens of millions of PC’s sold over the last few
years. The card can be booted in either platform and software drivers are
included for both. ATI Displays, the fully optimized Mac OS X OpenGL
driver, features advanced capabilities such as Versavision, enabling screen
rotation from Landscape to Portrait mode. For PC users, the Radeon 9600 PC
and Mac Edition will feature ATI’s award-winning Catalyst Control Center,
where users can personally tweak settings to fit their needs.

For further information please visit

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 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).