PITTSBURGH - Alcoa (NYSE:AA) today announced the 13 recipients of its 2005 Environment, Health, and Safety (EHS) Achievement Awards. These awards recognize outstanding effort in the environmental, health, and safety performance of Alcoa businesses worldwide. They also help accelerate the pursuit of sustainability by encouraging the transfer of knowledge between Alcoa locations and between Alcoa and key communities, customers, and stakeholders.

"First-rate environment, health, and safety performance helps distinguish Alcoa as a company with a strong commitment to sustainability and social responsibility," said Jake Siewert, vice president for EHS, Global Communications, and Public Strategy. "These awards recognize the work of our employees in achieving higher standards in environment, health, and safety."

An international panel of external experts selected the following recipients of 2005 EHS Achievement Awards:

Development and Commercialization of the HAPs Compliant ALC-132
ECOAT Coating
Warrick (Indiana) Operations--USA

Development and Deployment of a Natural Media Filtration Process
for Sustainable Water Treatment for PCB Removal
Lafayette, (Indiana) Works --USA

Opacity/Product Cost Project
Davenport (Iowa) Works--USA

Development and Deployment of Cutting Edge Water Treatment
Technologies
Pocos de Caldas--Brazil

Zero Wastewater Discharge Facility
Saint-Cosme-en-Vairais--France

Massena Waste Reduction
Massena (N.Y.) Operations--USA

An Innovative EHS Strategy within Alumar Has Become a Benchmark for
Major Construction Projects
Alumar--Brazil

Juruti: A Sustainable Mining Project in the Amazon Region
Global Primary Products/Latin America Primary--Brazil

AFL Itajuba Demonstrates Citizenship through EHS Capacity Building
AFL do Brasil--Brazil

Powerhouse Drum Ergonomics
Kwinana Alumina Refinery--Australia

Calciner 3 Emission Reduction Project
Wagerup Alumina Refinery--Australia

Community Engagement in Developing Long-Term Residue Management
Strategies
Western Australia Operations

Shaping the EHS Culture in Romania
Nadab and Caransebes--Romania

For more information on Alcoa's commitment to eliminate waste and injuries, visit the Environment section at www.alcoa.com.

About Alcoa

Alcoa is the world's leading producer and manager of primary aluminum, fabricated aluminum and alumina facilities, and is active in all major aspects of the industry. Alcoa serves the aerospace, automotive, packaging, building and construction, commercial transportation and industrial markets, bringing design, engineering, production and other capabilities of Alcoa's businesses to customers. In addition to aluminum products and components, Alcoa also markets consumer brands including Reynolds Wrap(R) foils and plastic wraps, Alcoa(R) wheels, and Baco(R) household wraps. Among its other businesses are vinyl siding, closures, fastening systems, precision castings, and electrical distribution systems for cars and trucks. The company has 131,000 employees in 43 countries and has been a member of the Dow Jones Industrial Average for 45 years and the Dow Jones Sustainability Indexes since 2001. More information can be found at www.alcoa.com.

Note to Editors: There should be an accent mark over the "a" in "Itajuba" in this release.

Alcoa Inc.

Alcoa Inc.

Alcoa (NYSE:AA) is the world's leading producer and manager of primary aluminum, fabricated aluminum and alumina facilities, and is active in all major aspects of the industry. Alcoa serves the aerospace, automotive, packaging, building and construction, commercial transportation and industrial markets, bringing design, engineering, production and other capabilities of Alcoa's businesses to customers. In addition to aluminum products and components, Alcoa also markets consumer brands including Reynolds Wrap® foils and plastic wraps, Alcoa® wheels, and Baco® household wraps. Among its other businesses are closures, fastening systems, precision castings, and electrical distribution systems for cars and trucks. The company has 129,000 employees in 44 countries and has been named one of the top most sustainable corporations in the world at the World Economic Forum in Davos, Switzerland. More information can be found at www.alcoa.com

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