Alcoa Chairman and CEO Alain Belda to Present at Desjardins Securities Materials Conference.

NEW YORK -- Alain Belda, Chairman and CEO of Alcoa (NYSE:AA), will speak at the Desjardins Securities Materials Conference to be held in Montreal, Quebec, Canada, on Monday, December 4, 2006. Mr. Belda's presentation is scheduled to begin at 9:00 a.m. Eastern time

His remarks will be webcast on www.alcoa.com/desjardins. Slides used during the presentation will be available in the Investor section of Alcoa's website, www.alcoa.com prior to the presentation.

Alcoa is the world's leading producer and manager of primary aluminum, fabricated aluminum and alumina facilities, and is active in all major aspects of the industry. Alcoa serves the aerospace, automotive, packaging, building and construction, commercial transportation and industrial markets, bringing design, engineering, production and other capabilities of Alcoa's businesses to customers. In addition to aluminum products and components, Alcoa also markets consumer brands including Reynolds Wrap[R] foils and plastic wraps, Alcoa[R] wheels, and Baco[R] household wraps. Among its other businesses are closures, fastening systems, precision castings, and electrical distribution systems for cars and trucks. The company has 129,000 employees in 44 countries and has been named one of the top most sustainable corporations in the world at the World Economic Forum in Davos, Switzerland. More information can be found at www.alcoa.com