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September 24, 2007

Alcoa Recognized as ''Best in Class'' in Response to Climate Change; Named to Climate Disclosure Leadership Index

NEW YORK--Alcoa (NYSE:AA) announced today that it was recognized as “Best in Class” in its approach to climate change disclosure in a report released today by the Carbon Disclosure Project (CDP), a coalition of more than 315 global investors with more than $41 trillion in assets. The CDP report is a survey of the responses of “Financial Times 500” corporations on climate change. Alcoa was also included in the “Climate Disclosure Leadership Index”, a prestigious honor roll for global corporations addressing the challenges of climate change.

The Climate Disclosure Leadership Index (CDLI) is comprised of 68 FT500 companies that show distinction in their responses to a CDP survey on greenhouse gas emissions, climate change strategies, and the quality and effectiveness of programs put in place to reduce overall greenhouse gas emissions.

“We are committed to sustainable practices throughout Alcoa’s operations worldwide. As a corporation, we continue to push for positive actions in the areas of climate change and clean energy. This and other efforts keep Alcoa at the lead of a global effort to address climate change responsibly and sustainably,” said Alcoa Chairman and CEO Alain Belda.

About Alcoa

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 including flat-rolled products, hard alloy extrusions, and forgings, Alcoa also markets Alcoa® wheels, fastening systems, precision and investment castings, structures and building systems. The company has 116,000 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

About CDP:

The Carbon Disclosure Project is a special project of Rockefeller Philanthropy Advisors in New York. The group of investors is not a legal entity and the Carbon Disclosure Project has no authority to make any other statement on behalf of the participants. Full details on CDP, the CDP reports and the responses from corporations can be found at