September 6, 2011

Financial · Leadership

Gildan to Present at UBS Best of Americas 2011 Conference

Montréal, Tuesday, September 6, 2011 – Gildan Activewear Inc. (GIL; TSX and NYSE) announced that Laurence G. Sellyn, Executive Vice President, Chief Financial and Administrative Officer, will present an overview of the Company’s business and growth strategy at the UBS Best of Americas Conference in London, England on Thursday, September 8, 2011 at 11:40 AM BST (or 6:40 AM EDT).

Gildan’s presentation at the UBS conference will be simulcast online and will be available on the Company’s web site, http://gildan.com/corporate/IR/webcastPresentations.cfm, or at the following URL: http://cc.talkpoint.com/ubsx001/090811a_im/?entity=11_N3XPUYP. A replay of the webcast will be available after the conclusion of the live presentation and will be available for the next 30 days, at the locations listed above.

About Gildan

Gildan is a marketer and globally low-cost vertically-integrated manufacturer of quality branded basic apparel. Gildan® is the leading activewear brand in the screenprint market in the U.S. and Canada and the Company is continuing to grow its presence in Europe, Mexico and the Asia-Pacific region. The Company sells T-shirts, sport shirts and fleece as undecorated “blanks”, which are subsequently decorated by screenprinters with designs and logos. The Company is also one of the largest suppliers of branded and private label athletic, casual and dress socks, with wide distribution across retail channels in the U.S. Gildan markets its sock products under a diversified portfolio of company-owned brands, including Gold Toe®, PowerSox®, SilverToe®, Auro®, All Pro®, GT®, and the Gildan® brand. The Company is also the exclusive U.S. sock licensee for the Under Armour® and New Balance® brands. The Company has an objective to become a significant supplier of underwear and undecorated activewear products in the retail channel. With approximately 30,000 employees worldwide, Gildan owns and operates highly efficient, large-scale, environmentally and socially responsible facilities in Central America and the Caribbean Basin and has begun the development of a manufacturing hub in Bangladesh to support its planned growth in Asia and Europe. More information on the Company can be found on Gildan’s website at www.gildan.com.

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Investor inquiries :

Jessy Hayem, CFA

Vice-President, Head of Investor Relations

(514) 744-8511