NEW YORK–The Board of Directors of Alcoa (NYSE:AA) declared (a) a quarterly
common stock dividend of 3 cents per share payable May 25, 2010 to
shareholders of record at the close of business on May 7, 2010 and (b) a
quarterly dividend of 93.75 cents per share on Alcoa’s $3.75 cumulative
preferred stock payable July 1, 2010 to shareholders of record at the
close of business on June 11, 2010. Alcoa has paid a quarterly dividend
on its common stock for more than 60 years.

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 www.alcoa.com.