EXHIBIT 99.1

Allegheny Technologies Announces Expansion of its Premium Titanium and
Nickel-based Superalloy Capabilities

    PITTSBURGH--(BUSINESS WIRE)--Jan. 23, 2007--Allegheny Technologies
Incorporated (NYSE:ATI) announced that its Board of Directors has
approved the expansion of its titanium and nickel-based superalloy
capabilities at facilities located in the Carolinas. The purpose of
the capital project is to meet growing demand from the aerospace and
defense (both jet engine and airframe), electrical energy, medical,
and oil and gas markets. The total investment is approximately $215
million, which is expected to be nearly evenly spread over the next
three years. ATI expects this self-funded project to be substantially
completed by the end of 2009.

    The project includes:

    --  Additional forging capacity. ATI plans to add an integrated
        10,000 ton press forge, 700mm rotary forge, conditioning,
        finishing, and inspection facility to support increased forged
        product requirements. The new forging capacity is expected to
        be operational by the third quarter 2009. Forging is a
        hot-forming process that produces wrought forging billet and
        forged machining bar from an ingot.

    --  Additional Plasma Arc Melt (PAM) capacity to support premium
        titanium alloy growth requirements. ATI expects this fourth
        PAM furnace to begin production by the fourth quarter 2008.
        Plasma arc melting is a superior cold-hearth melting process
        for making alloyed titanium products for jet engine rotating
        parts, medical applications, and other critical applications.

    --  Additional vacuum arc remelt (VAR) capacity to support premium
        nickel-based superalloy and titanium growth. ATI expects one
        new VAR to be in production in the first quarter 2008. The
        remaining four VAR furnaces would be installed as needed. VAR
        melting is a consumable electrode re-melting process that
        improves the cleanliness and chemical homogeneity of the
        alloys.

    "This strategic growth project further strengthens ATI's
leadership position in the production of technically demanding premium
titanium and nickel-based superalloy long products," said Patrick
Hassey, Chairman, President and Chief Executive Officer of Allegheny
Technologies. "This combination of equipment is unique in the
specialty metals industry. These investments enhance our ability to
meet our customers' current and future technical requirements and
create a platform for further innovation.

    "ATI's long-term supply agreements in the aerospace jet engine and
airframe market, and expected growth in the power generation, medical,
and oil and gas markets make this project important to achieving our
strategic growth objectives."

    This news release contains forward-looking statements that are
based on management's current expectations and include known and
unknown risks, uncertainties and other factors, many of which we are
unable to predict or control, that may cause our actual results,
performance or achievements to materially differ from those expressed
or implied in the forward-looking statements. Important factors that
could cause actual results to differ materially from those in the
forward-looking statements include: (a) material adverse changes in
economic or industry conditions generally, including global supply and
demand conditions and prices for our specialty metals; (b) material
adverse changes in the markets we serve, including the aerospace and
defense, chemical process industry, oil and gas, electrical energy,
construction and mining, automotive, and other markets; (c) our
inability to achieve the level of cost savings, productivity
improvements, synergies, growth or other benefits anticipated by
management, including those anticipated from strategic investments and
the integration of acquired businesses, whether due to significant
increases in energy, raw materials or employee benefits costs, or
other factors; (d) volatility of prices and availability of supply of
the raw materials that are critical to the manufacture of our
products; and (e) other risk factors summarized in our Annual Report
on Form 10-K for the year ended December 31, 2005, and in other
reports filed with the Securities and Exchange Commission. We assume
no duty to update our forward-looking statements.

    Building the World's Best Specialty Metals Company(TM)

    Allegheny Technologies Incorporated is one of the largest and most
diversified specialty metals producers in the world with revenues of
$4.4 billion during the most recent four quarters ending September 30,
2006. ATI has approximately 9,300 full-time employees world-wide who
use innovative technologies to offer growing global markets a wide
range of specialty metals solutions. Our major markets are aerospace
and defense, chemical process industry/oil and gas, electrical energy,
medical, automotive, food equipment and appliance, machine and cutting
tools, and construction and mining. Our products include titanium and
titanium alloys, nickel-based alloys and superalloys, stainless and
specialty steels, zirconium, hafnium, and niobium, tungsten materials,
grain-oriented silicon electrical steel and tool steels, and forgings
and castings. The Allegheny Technologies website is
www.alleghenytechnologies.com.

    CONTACT: Allegheny Technologies Incorporated
             Dan L. Greenfield, 412-394-3004