SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 OF
THE SECURITIES EXCHANGE ACT OF 1934

For the month of ~~October~~November, 2005

Commission File Number 000-29872

ATI TECHNOLOGIES INC.
(Translation of Registrant's Name into English)

1 Commerce Valley Drive East, Markham, Ontario, Canada L3T 7X6
(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F Form 40-F X

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes No X

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Index is located on Page 2

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INDEX
Document		Page Number
Press Release dated October 14, 2005		3
Press Release dated November 22, 2005		3
Signature Page		5

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ATI TECHNOLOGIES INC.

1 Commerce Valley Drive East
Markham, Ontario Canada
L3T 7X6

Telephone: (905) 882-2600
Facsimile: (905) 882-2620
www.ati.com

For ~~Information~~more information, please contact: Chris Evenden, Director, Public Relations (905) -882-2629, or cevenden@ati.com

KYATI HoAnnounces ~~and~~Retirement of ~~Betty Ho Insider Trading Allegations Dismissed By Ontario Securities Commission~~ Chairman

MARKHAM, Ontario – November ~~October 14~~22, 2005 – ~~The~~ATI ~~Ontario~~announced ~~Securities~~today ~~Commission~~that ~~has~~its ~~dismissed~~Chairman, ~~allegations~~K.Y. ofHo, ~~insider~~has retired as a ~~trading~~director ~~made~~and ~~against~~officer KYof the Company. Mr. Ho, ~~Chairman~~was a founder of ATI ~~Technologies~~in ~~Inc~~1985 and also served as the Company’s Chief Executive Officer until June 1, 2004. Mr. Ho stated, ~~(TSX:~~“ATI has ~~ATY~~been more than a major part of my career, it has been a part my life that I will ~~NASDAQ:ATYT)~~always treasure. ~~The~~With ~~allegations~~the ~~made~~OSC ~~against~~matter ~~his~~now ~~wife,~~resolved ~~Betty~~completely Hoin my favour, ~~were~~I ~~also~~have ~~dismissed~~decided to spend more time with family and pursue my personal interests. I leave ATI with confidence that under the continued leadership of our CEO David Orton, ATI will successfully continue its track record as the leading graphics company in the world.”

~~“We’re~~The ~~delighted~~Company also announced that KYDavid Orton will be nominated for election as a director of ATI at the Annual Meeting of Shareholders which has been ~~found~~scheduled ~~innocent~~for January 26,” ~~said~~2006 ~~Dave~~in ~~Orton~~Toronto. Also being nominated are James Fleck, ~~CEO~~Alan Horn, John Caldwell, Paul Russo, Ronald Chwang and ~~President~~Robert Young, all of ~~ATI.~~whom ~~“The findings~~currently are directors of ~~fact~~ATI. ~~underline~~Mr. ~~the~~Fleck, ~~belief~~who ~~that~~is ~~the~~an ~~company~~independent director and has ~~held~~been inserving ~~this~~as ~~matter~~the Company’s lead director, ~~that~~has KYbeen elected by the ~~has~~Board ~~always~~as ~~operated~~ATI’s ~~with~~new ~~honesty~~non-executive ~~and~~Chair ~~integrity.”~~of the Board.

“ATI ~~Technologies~~will isbe ~~one~~forever ofindebted to ~~Canada’s~~K.Y. ~~most~~for ~~successful~~his ~~technology~~founding ~~businesses~~role with the Company and ~~one~~his ofvision ~~only~~and ~~two~~leadership onin building this remarkable Company over the ~~NASDAQ~~past ~~100~~20 years,” stated Mr. Fleck. “The addition of ~~ATI~~Dave ~~celebrated~~Orton ~~its~~to ~~twentieth~~the ~~birthday~~Board ~~this~~provides ~~August,~~a logical and iswelcome ~~now~~succession afor ~~US$2~~K.~~2bn~~Y.’s departure.” ~~(about~~Mr. ~~C$2~~Fleck also added that, “K.~~6bn)~~Y. will be missed by all at ATI but we ~~company~~are ~~with~~comforted ~~over~~that ~~2,200~~he ~~employees~~will incontinue ~~Canada,~~to ~~out~~be ofavailable ~~3,400~~to ~~worldwide.~~provide his counsel to us as the need arises.”

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ATI Announces Retirement of Chairman

About ATI Technologies

ATI Technologies Inc. is ~~the~~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 graphics ~~processing~~processor unit (GPU) provider and is dedicated to ~~delivering~~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 ~~2004~~2005 revenues of ~~approximately~~ 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).

— -30- —

..2Important Information Regarding Forward-looking Statements

3Forward-looking statements look into the future and provide an opinion as to the effect of 5certain events and trends on the business. Forward-looking statements may include words such as “plans,” “intends,” “anticipates,” “should,” “estimates,” “expects,” “believes,” “indicates,” “targeting,” “suggests” and similar expressions.

KYThis Honews release contains forward-looking statements about ATI’s objectives, strategies, financial condition and ~~Betty~~results. HoThese ~~Insider~~“forward-looking” ~~Trading~~statements ~~Allegations~~are ~~Dismissed~~based Byon ~~Ontario~~current expectations ~~Securities~~and ~~Commission~~ entail various risks and uncertainties. Our actual results may materially differ from our expectations if known and unknown risks or uncertainties affect our business, or if our estimates or assumptions prove inaccurate. Therefore we cannot provide any assurance that forward-looking statements will materialize. We assume no obligation to update or revise any forward-looking statement, whether as a result of new information, future events or any other reason. Additional information concerning risks and uncertainties affecting our business and other factors that could cause our financial results to fluctuate is contained in our filings with Canadian and U.S. securities regulatory authorities, including our 2004 Annual Information Form and 2004 Annual Report filed on SEDAR at www.sedar.com.

Copyright 2005 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.

For media or industry analyst support, visit our Web site at http://www.ati.com Other ATI Contacts:

OtherTrevor ATICampbell, Contacts:Director, Porter Novelli Canada, at (416) 422-7202 or trevor.campbell@porternovelli.com

Trevor Campbell, Director, Porter Novelli Canada, at (416) 422-7202, or trevor.campbell@porternovelli.com

For investor relations support, please contact:

Zev Korman, Investor Relations, ATI Technologies Inc., at (905) 882-2600, Ext. 3670, or zev@ati.com

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	ATI TECHNOLOGIES INC.
Date: October 17, 2005	By:	/s/ Richard Brait Name: Richard Brait Title: General Counsel
Date: November 22, 2005	By:	/s/ Richard Brait Name: Richard Brait Title: General Counsel

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