Alcoa to Acquire Traco

June 28, 2010

Premier Maker of Windows and Doors Joins Alcoa Building and
Construction Systems

NEW YORK–Alcoa (NYSE:AA) announced today it has agreed to purchase privately held
Traco, a premier maker of windows and doors for the commercial building
and construction market. Traco will become part of Alcoa’s global
Building and Construction Systems business. Terms were not disclosed.

“Traco’s strong brand and product lines are well known throughout the
commercial building market and we look forward to helping the brand
continue to flourish,” said Glen Morrison, President of Alcoa Building
and Construction Systems, who will oversee the business. “The Traco
portfolio of products and commitment to quality and customer service
dovetails with Alcoa’s focus on customers. Through this combination, we
see many opportunities to grow our collective business through better
service, more comprehensive product offerings and greater efficiency.

“We are excited about the growth potential presented by this transaction
and looking forward to deploying strategies to realize these
opportunities once it is completed.”

Traco, founded in 1943 as the Three Rivers Aluminum Company, offers a
full range of window and door manufacturing and services, including
engineering, extrusion, finishing and electrostatic painting, glass
insulation and tempering, and glass lamination.

The company employs 650 people at its one-million-square-foot
headquarters and manufacturing operation in Cranberry, PA, north of
Pittsburgh. Over its history, Traco has taken a leading role in major
projects, including the Statue of Liberty restoration. Traco replaced
the 25 windows in the Statue of Liberty’s crown.

When the sale is completed, Traco will become part of Alcoa Building and
Construction Systems (BCS), a global provider of architectural systems,
services and building products to the construction market, serving
customers throughout North America, Europe, North Africa, Asia and the
Middle East. Alcoa Building and Construction Systems includes the
Kawneer brand of architectural aluminum systems, and Alcoa Architectural
Products. Kawneer designs, develops and sells windows, doors, curtain
walls, sliding patio doors and conservatories throughout the world.
Alcoa Architectural Products sells the Reynobond® aluminum composite
material and Reynolux® brand of coil coated aluminum sheet. Alcoa
Building and Construction Systems has 26 operating locations in nine
countries.

The transaction is expected to be completed by the end of the third
quarter 2010, subject to customary regulatory reviews.

About Alcoa

Alcoa is the world’s leading producer of primary aluminum, fabricated
aluminum and 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 eight 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.
Additional information on Alcoa’s Building and Construction Systems
businesses can be found at http://www.alcoa.com/bcs/en/home.asp.