Webinar to Further Educate Naval Community on Use of Aluminum in Marine Applications

March 31, 2010

Featuring Presentations from Alcoa Defense and ABS

WASHINGTON–Alcoa (NYSE:AA) announced today that an upcoming webinar, featuring
speakers from Alcoa Defense and ABS, a premier provider of marine and
offshore classification services, will provide the naval community with
an update on the latest aluminum ship technology for marine
applications. The free one-hour webinar, Advantages of Aluminum in
Marine Applications, will take place on Wednesday, April 14, at noon
EDT. Naval architects, shipyards, marine original equipment
manufacturers, military officials and marine engineers are encouraged to

“We are excited to be able to demonstrate to the marine community how
aluminum makes Navy ships lighter, faster and stronger,” said Dave
Dobson, president, Alcoa Defense. “The webinar is a great opportunity to
educate this community on the many recent advances in aluminum ship
materials, design and manufacturing methods.”

Brett Conner, Ph.D., segment leader for Alcoa Defense’s sea systems
research and development, will discuss how aluminum performs in marine
environments and the ways in which Alcoa Defense assists the U.S. Navy
and others to build aluminum ships. He also will share data
demonstrating that aluminum ships are competitive from acquisition and
total lifecycle cost perspectives.

Derek Novak, vice president of engineering for ABS, will provide an
overview of ABS and discuss how ABS develops rules for aluminum ships in
naval environments.

To register for the webinar, visit alcoadefense.com/aluminumshipbuildingwebinar.

About Alcoa Defense

Alcoa Defense partners with industry leaders to design systems and
materials that increase the speed, reach, agility and survivability of
strategic platforms. Through an unmatched combination of defense and
commercial engineering, Alcoa delivers multi-product, lightweight and
cost-effective solutions for programs ranging from the F35 Joint Strike
Fighter to the M777 Howitzer to armored tactical and fighting vehicles.
More information can be found at alcoadefense.com.

About ABS

Founded in 1862, ABS is a leading international classification society
devoted to promoting the security of life, property and the marine
environment through the development and verification of standards for
the design, construction and operational maintenance of marine-related