For the twelfth year in a row, Alcoa (NYSE: AA) has been named to one of
the most highly recognized and longest-standing global sustainability
indexes, the Dow Jones Sustainability Indexes (DJSI). Alcoa was again
recognized as the global aluminum industry sustainability leader and the
North American leader in the aluminum sector.

“At Alcoa, sustainability is an integral part of how we do business,”
said Kevin McKnight, Alcoa Environment, Health and Safety Vice President
and Chief Sustainability Officer. “Whether it’s improving the energy
efficiency of our primary aluminum business, making cars and airplanes
more fuel efficient, or continuing to innovate aluminum food and
beverage packaging, sustainability guides everything we do. Alcoa is
honored to be named to these highly esteemed sustainability indexes for
the past 12 years.”

Highlights of Alcoa’s industry-leading sustainability performance
include:

• Economic: Continued to integrate sustainability metrics into
  our supplier assessment process to drive a more sustainable supply
  chain.
• Environmental: Achieved a 23.2% reduction in greenhouse gas
  (GHG) intensity between 2005 and 2012, making significant progress
  toward achieving Alcoa’s 2020 goal of a 30% reduction.
• Social: Alcoa Foundation contributed US$21.5 million to
  environmental, educational and community programs in 2012, and a
  record 60% of Alcoa employees volunteered in their communities during
  Alcoa’s 2012 Worldwide Month of Service.

To learn more about the company’s approach to sustainability, read Alcoa’s
2012 Corporate Sustainability Report and reports from Alcoa regions
worldwide.

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 125 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 12 consecutive years and approximately 75
percent of all of the aluminum ever produced since 1888 is still in
active use today. Alcoa employs approximately 61,000 people in 30
countries across the world. For more information, visit www.alcoa.com,
follow @Alcoa on Twitter at www.twitter.com/Alcoa
and follow Alcoa on Facebook at www.facebook.com/Alcoa.

About the Dow Jones Sustainability Indexes (DJSI)

The Dow Jones Sustainability Indexes track the stocks of global,
regional and country industry leaders in terms of sustainability. The
Dow Jones Sustainability North American Index (DSJI North America)
tracks the performance of the top 20 percent of the 600 largest
companies in the United States and Canada. The Dow Jones Sustainability
World Index (DJSI World) includes the top 10 percent of the 2,500
largest companies in the Dow Jones Global Total Stock Market Index.
Selection is based on an in-depth analysis of a company’s economic,
environmental and social criteria, with a focus on industry-specific
risks and opportunities. The indexes serve as benchmarks for investors
when assessing a company’s sustainability portfolio. For more
information: http://www.sustainability-indices.com/

Alcoa
Investor Contact
Kelly Pasterick, 212-836-2674
Kelly.Pasterick@alcoa.com
or
Media Contact
Christa Bowers, 212-836-2605
christa.bowers@alcoa.com