NEW YORK–Alcoa (NYSE:AA) announced today that its Board of Directors has
appointed Sir Martin Sorrell, 66, a director of the company. Sorrell is
founder and Chief Executive of WPP, the world’s largest advertising and
marketing services group with 2,400 offices in 107 countries.

Sorrell founded WPP in 1985 and, through acquisitions and strategic
investments, the Group’s worldwide companies have grown to include some
of the most well-known agencies in the communications services business
including: JWT, Ogilvy, Young & Rubicam and Grey, GroupM,
Burson-Marsteller, Hill & Knowlton, and Wunderman, amongst others. WPP
clients include more than half of the Fortune Global 500 companies, a
majority of the NASDAQ 100 and 33 of the Fortune e-50 firms. In 2010,
WPP had revenues of $14.4 billion and billings of $66 billion.

“Sir Martin has an enormous reputation all around the world as a
remarkable leader and extraordinary individual,” said Alcoa Chairman and
CEO Klaus Kleinfeld. “Alcoa is fortunate to have the benefit of his
sound judgment and outstanding global perspective.”

Born in London, Sorrell was educated at Christ’s College, Cambridge, UK,
and obtained an MBA from Harvard University, where he was awarded the
Harvard Business School’s highest honor, the Alumni Achievement Award in
2007. He was knighted by HM The Queen in 2000.

Sorrell is actively involved in a number of organizations and charities.
He is Chairman of the World Economic Forum International Business
Council and a member of the U.S. Business Council. In addition, Sorrell
serves on the board of directors of the Bloomberg Family Foundation and
is a member of the Advisory Board of global investment firm Stanhope
Capital. He is a non-executive director of Sorrell Capital in London and
Alpha Topco, the holding company for the Formula One Group.

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.