Alcoa Named a Leader in Maplecroft Climate Innovation Indexes; Top Performer in Basic Materials Category

Alcoa (NYSE:AA) announced today it was the top performer in the Basic
Materials category and #2 in the overall ranking of 360 U.S. companies
in the Maplecroft Climate Innovation Indexes (CII) Leaders Indexes
compiled by risk analysis company Maplecroft.
This is the third year in a row Alcoa was among the top five performers.

The rating recognizes Alcoa as a leader in the innovation of clean-tech
solutions and new products, the mitigation of climate change related
risks and the management of carbon emissions. According to Maplecroft,
the ranking will enable investors to identify the most resilient and
innovative companies with the best long-term growth prospects.

In its ranking of Alcoa as one of the top performers, Maplecroft, in its
press release, stated that Alcoa is held up as a prime example of how
companies should incorporate lifecycle analysis into their business.
'Alcoa increasingly uses life cycle assessments to inform decisions for
the improvement of its products and processes.?

'It is gratifying to be recognized on the Climate Innovation Indexes
because sustainability and innovation are at the core of our company,'
said Kevin Anton, Alcoa′s Chief Sustainability Officer. 'Alcoa′s
approach is centered on developing products and solutions that can
contribute to a sustainable world.'

The Maplecroft Climate Innovation Indexes (CIIs) are focused on
adaptation to climate change, with a special focus on innovation.
Maplecroft rated each company against more than 100 criteria, including:
technological innovation and new working practices to combat climate
change impacts; management of climate-related issues; adaptation to
physical climate-related risks, such as flooding or more extreme weather
events throughout the supply chain; and the reduction of GHG emissions.

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 61,000 people in 31
countries across the world. More information can be found at www.alcoa.com.

Alcoa

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or

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Archell, 212-836-2719