Alcan Inc.   (NYSE, TSX: AL) is pleased to announce that for the second year in a row it has been selected as a component of the Dow Jones Sustainability World Index   (DJSI World) in recognition of its on-going efforts to implement sustainability within its businesses.

"This year we have continued to build on our already solid programs while looking at new ways to integrate sustainable actions into our management systems. We want to continue to strengthen the link between sustainability and profitability," said Travis Engen, President and CEO of Alcan Inc. "One such example is our newly launched Environmental Health and Safety Management System. It provides a framework for EHS excellence, a key measure of sustainability, at every Alcan site and empowers all Alcan employees to 'walk the talk'. Selection by DJSI   World shows that our efforts are paying off."

Alcan's position in the DJSI   World will be effective September   22,   2003. The Company joins over 300   companies from 22   countries that lead their industries in sustainability issues. Alcan leads the companies ranked in the aluminum industry group assessed for the index.

Earlier this year, Alcan emerged as one of the "World's Most Admired Companies", finishing a strong second in the international metals industry category on Fortune magazine's global corporate reputation survey. The Company also placed first out of the 100   companies on the Toronto Stock Exchange judged by Corporate   Knights magazine.

Details of these achievements can be found on Alcan's web site: www.alcan.com.

Alcan is a multinational, market-driven company and a global leader in aluminum, packaging, and recycling with 2002 revenues of US$12.5   billion. With world-class operations in primary aluminum, fabricated aluminum as well as flexible and specialty packaging, Alcan is well positioned to meet and exceed its customers' needs for innovative solutions and service. Alcan employs 54,000   people and has operating facilities in 42   countries.