Alcoa Completes TransDigm Aerospace Fastener Acquisition

March 9, 2011

NEW YORK–Alcoa (NYSE:AA) announced today it has completed the acquisition of the
aerospace fastener business of TransDigm Group Inc., a global designer,
producer and supplier of highly engineered aircraft components. The
business will become part of Alcoa Fastening Systems (AFS), a leading
worldwide designer and manufacturer of specialty fastening systems,
components, and installation tools for aerospace and industrial

“We are excited to bring such a highly regarded business into our
portfolio where our combined product offerings and innovative design
capabilities will create added value for our customers and
shareholders,” said Vitaliy Rusakov, President, Alcoa Fastening Systems.
“This acquisition is a pivotal step in our strategy to expand our global
footprint in the growing aerospace fastener market.”

The transaction is valued at $240 million and is expected to be earnings
and cash flow accretive in the first year. Citigroup Global Markets Inc.
served as a financial advisor for the transaction.

Approximately 400 people are employed at TransDigm’s three aerospace
fastener facilities in Sylmar, California; and Redditch and Leicester,
both of the United Kingdom. A wide variety of high-strength,
high-temperature nickel alloy specialty engine fasteners, airframe bolts
and slotted entry bearings are produced at the facilities.

AFS, a business unit of Alcoa, is headquartered in Torrance, California
and operates 29 facilities in 10 countries with over 5,500 employees.

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 nine 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

Forward-Looking Statements

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or strengthening of operations anticipated from its strategic,
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acquisitions (including acquisitions of aerospace fastener or other
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