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May 7, 2003

Alcoa's Closure Systems International Business Introduces Alco-Lok Liquor Closure Line; Alco-Lok closures deliver superior sealing and tamper-evidence

PITTSBURGH--(BUSINESS WIRE)--May 7, 2003--Alcoa said today that its Alcoa Closure Systems International (Alcoa CSI) business has introduced the Alco-Lok(TM) closure line, the latest advancement in liquor package sealing performance. Designed for both PET and glass finishes, Alco-Lok provides both unmatched product sealing and tamper-evidence. The tamper evidence includes visual and audio indicators when the product is opened, featuring complete band separation. Alcoa CSI is part of Alcoa's $5.0 billion Packaging and Consumer market sector.

Alco-Lok's injection-molded design provides consistent, high-speed application. With optional custom molding, Alco-Lok will complement product branding by including sculptured logos, providing a distinctive look.

Alcoa also provides a complete customer support system, including high-speed cappers, unparalleled technical support, customer service, on-line assistance via, machine set-up, troubleshooting and operator training.

The 28mm Alco-Lok closure is available in the North America region immediately. A 33mm size with optional pour fitment is targeted for introduction in the second quarter of 2003.

Alcoa Closure Systems International, Inc. (CSI) is recognized as a world leader in closure systems and packaging, and provider of quality products and service support to the beverage industry. CSI's major markets include carbonated soft drink, juice, isotonic, bottled water, beer, dairy, food, liquor, pharmaceutical, and motor oil. In its 21 locations and offices worldwide, CSI employs nearly 5,000 persons. The company is guided by principles of strict customer satisfaction, total quality manufacturing and technical service, all tied to specific customer needs.

Alcoa is the world's leading producer of primary aluminum, fabricated aluminum and alumina, 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 as a single solution to customers. In addition to aluminum products and components, Alcoa also markets consumer brands including Reynolds Wrap(R) aluminum foil, Alcoa(R) wheels, and Baco(R) household wraps. Among its other businesses are vinyl siding, closures, precision castings, and electrical distribution systems for cars and trucks. The company has 127,000 employees in 40 countries. For more information go to