NEW YORK–Alcoa (NYSE:AA) announced today that it has been selected for the eighth
consecutive year as a component of the Dow Jones Sustainability Indexes
(DJSI). The DJSI follow a best-in-class approach and include
sustainability leaders from industries worldwide and serve as an
important guide for investors to assess a company’s sustainability
portfolio. Selection to the indices is based on a thorough analysis of a
company’s economic, environmental and social performance. The company
was once again named a component of the North American Dow Jones
Sustainability Index.

“To be included on this key index for eight years in a row clearly shows
that Alcoa’s commitment to sustainability remains strong. We produce the
ideal sustainable material – aluminum is lightweight and infinitely
recyclable, and it will continue to play a key role in the sustainable
life of our planet,” said Alcoa CEO and President Klaus Kleinfeld.

Noteworthy 2008 sustainability achievements include:

• The company achieved a 36% reduction in greenhouse gases from the 1990
  base year – a 44% improvement over our target for 2010;
• Approximately 90% of Alcoa’s worldwide operations have community
  programs, putting the company within reach of its target of 100% by
  2010; and
• Alcoa has been ranked by the Covalence Ethics Index sixth in ethical
  reputation among all companies worldwide and first in the Resources
  category.

Alcoa’s 2008 Sustainability Report and reports from Alcoa regions
worldwide can be downloaded at www.alcoa.com/sustainability

Since their inception in 1999, the DJSI have become a leading worldwide
reference point for sustainability investing. The inclusion of companies
in the indexes is based on a comprehensive sustainability assessment of
more than 1,000 exchange-listed companies, based on economic,
environmental and social criteria. The DJSI North America tracks the
performance of the best 20 percent in terms of sustainability among the
largest 600 companies in the respective regions.

About Alcoa

Alcoa is the world leader in the production and management of primary
aluminum, fabricated aluminum and alumina combined, through its active
and growing participation 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, and building systems. The Company has been named one of the
top most sustainable corporations in the world at the World Economic
Forum in Davos, Switzerland and has been a member of the Dow Jones
Sustainability Index for seven consecutive years. Alcoa employs
approximately 63,000 people in 31 countries across the world. More
information can be found at www.alcoa.com