Matthew Garth Named Head of Alcoa Investor Relations

June 10, 2009

NEW YORK–Alcoa (NYSE:AA) announced that effective immediately Matthew Garth, 35,
has been appointed Director, Investor Relations. Mr. Garth was most
recently Director, Alcoa Corporate Treasury, responsible for capital
markets. He replaces Elizabeth Besen, who recently resigned from Alcoa.

“Matt’s financial background, combined with his capital market
experience and analytical skills, are an ideal combination to lead
investor relations at Alcoa,” said Chuck McLane, Alcoa Executive Vice
President and Chief Financial Officer.

Mr. Garth has served in a series of financial management positions with
Alcoa. He joined the company as Manager, Investor Relations in 2002, and
was accountable for developing strategic financial messaging and
shareholder communication strategy. He has also served in Alcoa’s
Corporate Analysis and Strategic Planning groups.

Prior to joining Alcoa, Mr. Garth worked at Thomson Financial, where he
advised leading industrial companies on valuations, mergers and
acquisitions, and investor engagement.

He obtained his undergraduate degree from the University of Delaware and
an MBA from Columbia University, New York.