Alcoa Selected for Fourth Consecutive Year for Dow Jones Sustainability Indexes.

PITTSBURGH -- Alcoa (NYSE:AA) announced today that its ability to balance economic, environmental and social responsibility factors has qualified the company to be named a component of the Dow Jones Sustainability Index family for the fourth consecutive year.

Launched in 1999, the Dow Jones Sustainability Indexes (DJSI) are the first global indexes tracking the financial performance of the leading sustainability-driven companies worldwide. The DJSI World family is limited to the top 10% of the largest 2,500 companies in the Dow Jones Global Index in terms of economic, environmental and social criteria.

"Alcoa's vision of being the best company in the world means that we must practice corporate sustainability, which contributes to our value as a company," said Alain Belda, Alcoa Chairman and CEO. "Alcoa's continued recognition by Dow Jones as a leader in sustainability is evidence that 120,000 Alcoans go to work and live our Values in each of our communities throughout the world."

Alcoa was first named a component of the DJSI in 2001. It joins more than 300 companies from 24 countries that lead their respective industries in sustainability.

Alcoa's 2003 Sustainability Report details the company's ambitious 2020 framework strategy for sustainability along with data illustrating progress toward this goal. In addition to this company-wide perspective, Alcoa has five regional sustainability reports available on www.alcoa.com. The 2003 Sustainability Report and the five regional sustainability reports can be downloaded at www.alcoa.com/lnk/sustainability.

More information about the DJSI can be found at http://www.sustainability-indexes.com.

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 vinyl siding, closures, fastening systems, precision castings, and electrical distribution systems for cars and trucks. The company has 120,000 employees in 42 countries and has been a member of the Dow Jones Industrial Average for 45 years and the Dow Jones Sustainability Indexes since 2001. More information can be found at www.alcoa.com.