ARKHAM – October 14, 2005 – The Ontario Securities Commission has dismissed allegations of insider trading made against KY Ho, Chairman of ATI Technologies Inc., (TSX: ATY, NASDAQ:ATYT). The allegations made against his wife, Betty Ho, were also dismissed.

“We’re delighted that KY has been found innocent,” said Dave Orton, CEO and President of ATI. “The findings of fact underline the belief that the company has held in this matter, that KY has always operated with honesty and integrity.”

ATI Technologies is one of Canada’s most successful technology businesses and one of only two on the NASDAQ 100. ATI celebrated its twentieth birthday this August, and is now a US$2.2bn (about C$2.6bn) company with over 2,200 employees in Canada, out of 3,400 worldwide.


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 approximately US $2 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).