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HOMESHIELD Opens Facility in Dubuque, Iowa

HOUSTON, May 4, 2005 (PRIMEZONE) -- Quanex Corporation (NYSE:NX), an industry-leading manufacturer of value-added engineered materials and components for the Vehicular Products and Building Products markets, announced today that its HOMESHIELD operation recently began production at a 40,000 square foot facility in Dubuque, IA. As part of the Company's Engineered Products Division, HOMESHIELD -- Dubuque is currently manufacturing window and door screens for a large OEM customer.

"With Quanex's continued focus on organic growth, we were able to strategically locate close to our customer to minimize freight and provide enhanced response and service," said Jim Gulliford, President of HOMESHIELD. "Within the year, we will add wood window grilles to our value-added production and just-in-time delivery."

Headquartered in Chatsworth, Illinois, Engineered Products' HOMESHIELD operation is a vertically integrated producer of both standard and custom window components such as frames, grilles, spacers, and screens.

Statements that use the words "expect," "should," "may," "could," "will," "might," or similar words reflecting future expectations or beliefs are forward-looking statements. The statements above are based on Quanex's current expectations. Actual results or events may differ materially from this release. Factors that could impact future results may include, without limitation, the effect of both domestic and global economic conditions, the impact of competitive products and pricing, and the availability and cost of raw materials. For a more complete discussion of factors that may affect the Company's future performance, please refer to the Company's most recent 10-K filing of December 21, 2004, under the Securities Exchange Act of 1934, in particular the sections titled, "Private Securities Litigation Reform Act" contained therein.

Quanex is listed on the New York Stock Exchange under the symbol NX. For further information, visit the Company's website at www.quanex.com.

The Quanex Corporation logo is available at: http://www.primezone.com/newsroom/prs/?pkgid=1117

CONTACTS: Quanex
Jeff Galow
713/877-5327

Valerie Calvert
713/877-5305

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