Alcoa Master Agreement Ratified

June 24, 2010

NEW YORK–Alcoa announced today that a new four-year contract covering 5,400
employees at 10 Company locations in the United States has been ratified
by members of the United Steelworkers (USW).

“This new agreement is a good outcome for our employees, shareholders,
customers and communities. We believe that this was a successful
negotiations process, with contributions by both sides, and we are
pleased that our employees ratified the contract,” said Mick Wallis,
president of Alcoa North American Rolled Products and chair of the
Company’s Employee Relations Council.

“Now that we have a new long-term agreement, we can focus our energy and
efforts on meeting the challenges of our businesses and working together
to build a better future for these plants.”

The new agreement was approved after voting yesterday.

The previous contract expired May 31. Alcoa and the USW reached a
tentative agreement after two weeks of bargaining in May. More
information about the negotiations can be found at

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 eight 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