September 11, 2015

Responsibility

Gildan Activewear Included in Dow Jones Sustainability World Index for a Third Consecutive Year

Montréal, Friday, September 11, 2015 – Gildan Activewear Inc. (GIL; TSX and NYSE) today announced that the Company has been included in the Dow Jones Sustainability World Index (DJSI World Index) for a third consecutive year, effective as of September 21, 2015.

Gildan is the only North American company in the Textiles, Apparel and Luxury Goods industry group to be included in the DJSI World Index.

“We are pleased to once again be included in the DJSI World Index,” said Glenn Chamandy, President and Chief Executive Officer. “We are very proud of this achievement and share the recognition with our 42,000 dedicated employees and all our stakeholders and business partners worldwide. As one of the world's leading vertically-integrated manufacturers of everyday family apparel, we recognize first hand that a strong commitment to leading corporate social responsibility practices and a culture of continuous improvement and investments in the latest technology are equally critical to our success. The inclusion in the DJSI World Index as the only North American company in our sector provides further validation that Gildan is genuinely focused on leading the way. We remain committed to these efforts as we recognize they are an essential part of our future success.”

The Dow Jones Sustainability Indices were launched in 1999 as the first global sustainability benchmarks. The indices are offered cooperatively by RobecoSAM and S&P Dow Jones Indices. The family tracks the stock performance of the world's leading companies in terms of economic, environmental and social criteria. The indices serve as benchmarks for investors who integrate sustainability considerations into their portfolios, and provide an effective engagement platform for companies who want to adopt sustainable best practices.

About Gildan

Gildan is a leading supplier of quality branded basic family apparel, including T-shirts, fleece, sport shirts, underwear, socks, hosiery, and shapewear. The Company sells its products under a diversified portfolio of company-owned brands, including the Gildan®, Gold Toe®, Anvil® and Comfort Colors® brands and brand extensions, as 2 well as the Secret®, Silks® and Therapy Plus™ brands. The Company also has the U.S. sock license for Under Armour®, and licenses for the Mossy Oak® and New Balance® brands. The Company distributes its products in printwear markets in the U.S. and Canada, as well as in Europe, Asia-Pacific and Latin America. The Company also markets its products to a broad spectrum of retailers primarily in the U.S. and Canada. The Company also manufactures for select leading global athletic and lifestyle consumer brands.

Gildan owns and operates vertically-integrated, large-scale manufacturing facilities which are primarily located in Central America, the Caribbean Basin and the United States, and are strategically positioned to efficiently service the quick replenishment needs of its customers in the printwear and retail markets. Gildan has over 42,000 employees worldwide and is committed to industry-leading labour and environmental practices at all of its facilities. More information about the Company and its corporate citizenship practices and initiatives can be found at its corporate websites www.gildan.com and www.genuinegildan.com, respectively.

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Investor inquiries :

Jessy Hayem, CFA

Senior Vice-President, Head of Investor Relations and Global Communications

(514) 744-8511

Media inquiries :

Geneviève Gosselin

Director, Global Communications and Corporate Marketing

(514) 343-8814