Ron Barin Elected Alcoa Vice President and Officer of the Company

May 16, 2012

NEW YORK–Alcoa (NYSE:AA) announced today that Ron Barin has been elected a Vice
President and an officer of the company. He is also Chief Investment
Officer, Pension Investments, overseeing the investment of $15 billion
of assets for Alcoa’s retirement benefits plans and the Alcoa Foundation.

“Ron’s election as an officer of the company recognizes the important
contributions he has made to support Alcoa’s success,” said Alcoa Chief
Financial Officer Chuck McLane. “It also reflects our confidence in his
ability to make great contributions in the future.”

Barin joined Alcoa in 2008 as Assistant Treasurer and an assistant
officer of the company with responsibility for the company’s pension
plan investments. Previously, he was Senior Director, Pension
Investments for Pfizer Inc., and also had served as Director, Financial
Risk Management for Pfizer. Earlier, he held treasury-related roles for
Emcor Financial Risk Management Consulting, Estee Lauder and Unilever.

Barin holds a bachelor’s degree in Economics and Finance and an MBA from
New York University. He is the co-founder and a member of the Board of
Directors of Smile In A Bag, Inc., a nonprofit organization that
collects and donates toy-filled activity bags each month to two Long
Island, New York, hospitals.

About Alcoa

Alcoa is the world’s leading producer of primary aluminum, fabricated
aluminum and 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 ten 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