Organizational Changes in Alcoa’s Finance Group: Matthew Garth Named Vice President, Finance North American Rolled Products; Roy Harvey Named Director, Investor Relations

October 25, 2010

NEW YORK–Alcoa (NYSE:AA) announced today organizational changes in its Finance
group. Effective immediately, Matthew E. Garth, 36, will become Vice
President, Finance for Alcoa’s North American Rolled Products Group.
Succeeding Mr. Garth as Director, Investor Relations is Roy Harvey, 36,
who had been Director, Corporate Treasury for Alcoa.

Alcoa’s Rolled Products Group is composed of North American Mill
Products and Rigid Packaging operations, with $4 billion in revenues.
Mill Products has three manufacturing plants located in Davenport, Iowa,
and Lancaster, Pa., which provides aluminum plate and sheet for
customers in the aerospace, automotive, commercial transportation,
building and construction, and industrial markets. Rigid Packaging has
operations in Alcoa, Tenn., and Warrick, Ind.

“Matt and Roy bring solid financial experience and talent to their
roles. Matt’s strategic background and capital market experience will be
a valuable addition to Rolled Products, and Roy’s unique international
operational experience will be an asset in working with the financial
analyst community,” said Alcoa Chief Financial Officer Chuck McLane.

Biographical information follows:

Matthew Garth

Matt Garth joined Alcoa in 2002 as manager, Investor Relations, involved
in designing the company’s strategic financial messaging and shareholder
communications. Following this assignment, Mr. Garth held financial
positions in corporate analysis and strategic planning and as Director
of Corporate Treasury. Mr. Garth returned to investor relations as
Director in 2009.

Before joining Alcoa, Mr. Garth worked at Thomson Financial, advising
industrial companies on valuations, mergers and acquisitions, and
investor engagement. He holds a bachelor’s degree in accounting from the
University of Delaware and an MBA from Columbia University.

Roy Harvey

Roy Harvey joined Alcoa in 2002 as a business analyst for the Primary
Metals business in Knoxville, Tennessee. While there, he worked with the
global casthouse system to develop performance measurement systems and
drive casthouse profitability. In 2005, he moved to the São Luis Plant
in Brazil, where he first served as the casthouse manager in the smelter
and then as plant controller. In 2007, he became plant manager for the
San Ciprián, Spain, smelter and then Director of Finance and Business
Integration for Global Primary Products Europe, leading the finance and
casthouse teams. In January 2010, Mr. Harvey was named to his most
recent assignment as Director, Corporate Treasury, where he played a
major role in developing an extensive enterprise risk management program.

Prior to joining Alcoa, Mr. Harvey worked with Greenstone Resources
Ltd., a gold mining company based in Central America, as corporate
manager of environmental affairs and operations reporting. He was based
in Panamá City, Panamá for three years and then Managua, Nicaragua for
an additional year.

Mr. Harvey graduated with honors from The Wharton School of Business,
University of Pennsylvania, simultaneously earning master’s degrees in
international business and finance. He also holds a bachelor’s degree in
mining engineering from Columbia University. In 2008, Mr. Harvey was
named to the prestigious Young Leaders Program of the World Economic
Council.

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 nine 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 www.alcoa.com.