Alcoa Named to Carbon Performance and Carbon Disclosure Leadership Indexes

September 20, 2011

NEW YORK–Alcoa (NYSE:AA) today announced that it has been recognized by the
Carbon Disclosure Project (CDP) for reducing emissions and mitigating
the risks of climate change as well as for its approach to the
disclosure of climate change information. CDP featured Alcoa on both its
Carbon Performance Leadership Index and the Carbon Disclosure Leadership

The CDP represents 551 institutional investors with $71 trillion in
assets. The Carbon Performance Leadership Index is composed of 11
companies from the Standard & Poor’s (S&P) 500 Index while the Carbon
Disclosure Leadership Index consists of 55 companies from the S&P 500

“At Alcoa, we take a long-term approach to sustainability and that
includes innovative products that contribute to a more sustainable world
and a relentless focus on reducing our carbon footprint,” said Kevin
Anton, Alcoa’s Chief Sustainability Officer. “We are very proud to have
been recognized for those efforts by the Carbon Disclosure Project.”

The Carbon Performance Leadership Index highlights those companies
within the S&P 500 Index that have demonstrated a strong commitment to
strategy, governance, stakeholder communications and emissions
reductions in their CDP responses. The Carbon Disclosure Leadership
Index is a key component of CDP’s annual S&P 500 report, and highlights
the constituent companies within the S&P 500 Index that have displayed
the most professional approach to corporate governance regarding climate
change information disclosure practices.

The S&P 500 report including names of companies featured in the indexes
and the methodology used can be found at

About Alcoa
Alcoa is the world’s leading producer of primary
and fabricated aluminum, as well as the world’s largest miner of bauxite
and refiner of alumina. In addition to inventing the modern-day aluminum
industry, Alcoa innovation has been behind major milestones in the
aerospace, automotive, packaging, building and construction, commercial
transportation, consumer electronics and industrial markets over the
past 120 years. Among the solutions Alcoa markets are flat-rolled
products, hard alloy extrusions, and forgings, as well as Alcoa® wheels,
fastening systems, precision and investment castings, and building
systems in addition to its expertise in other light metals such as
titanium and nickel-based super alloys. Sustainability is an integral
part of Alcoa’s operating practices and the product design and
engineering it provides to customers. Alcoa has been a member of the Dow
Jones Sustainability Index for 10 consecutive years and approximately 75
percent of all of the aluminum ever produced since 1888 is still in
active use today. Alcoa employs approximately 59,000 people in 31
countries across the world. More information can be found at