Alcoa Awarded Industrial Peace Prize by South Korea Province

December 8, 2011

NEW YORK & SOUTH KOREA–Alcoa (NYSE:AA) was awarded the Industrial Peace Prize for fostering
harmonious union and company relationships in the Kyung Sam Namdo
Province in South Korea. Alcoa operates Changwon Precision Extrusions
(CPE), a producer of hard alloy extrusions, in Changwon City, South
Korea.

The Industrial Peace Prize is given to an employer that has achieved
productivity improvements through a cooperative labor relationship and
positive company culture.

The award was presented to Chang-Mo Sung, CPE plant manager, by the
Province’s Governor DuKwan Kim. “I am honored to accept this award on
behalf of the employees of Changwon Precision Extrusions,” said Mr.
Sung.”I am proud of our employees who play an active role in our
neighborhoods, and also for their dedication to create an open,
high-performing work culture.”

CPE is one of six extrusion facilities in the Alcoa Forgings and
Extrusions business unit. It serves customers throughout Asia and the
U.S. in the aerospace, military and industrial markets. CPE was created
in 2002 following Alcoa’s acquisition of Dooray Air Metals Company of
Changwon.

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 59,000 people in 31
countries across the world. More information can be found at www.alcoa.com.