ATI Presenting at RBC Capital Markets Whistler 2003 Conference.

Business Editors

Whistler 2003: The View From the Summit

MARKHAM, Ontario--(BUSINESS WIRE)--Feb. 17, 2003

ATI Technologies Inc. (Nasdaq:ATYT) (TSX:ATY), a world leader in the design and manufacture of innovative 3D graphics and digital media silicon solutions, announced today that Dave Orton, President and COO, ATI Technologies Inc., will be presenting at the Whistler 2003: The View From the Summit conference hosted by RBC Capital Markets. The presentation will take place at The Fairmont Chateau Whistler, Whistler, British Columbia on February 19 at 11:30 a.m. Pacific Standard Time.

Access to the live audio feed will be available by clicking on the following web site: http://events.onlinebroadcasting.com/rbc/021903/index.php

About the Company

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 2002 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).

Copyright 2003 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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