BEAVERTON, OR--(MARKET WIRE)--Oct 29, 2008 -- Merix Corporation (NasdaqGM:MERX - News), a leading provider of high-reliability printed circuit boards, today announced the receipt of formal approval to process polyimide material under its MIL-PRF-31032 certification in its San Jose, California, factory. Polyimide is a material that is used in a significant number of defense and aerospace designs, and this extension of Merix' existing certification means that an independent agency has verified Merix' ability to process polyimide under strict performance and verification requirements.

"The extension of our MIL-PRF-31032 certification to include polyimide is further confirmation of Merix' continued commitment to the defense and aerospace segment," said Michael D. Burger, President and CEO of Merix Corporation. "We look forward to the opportunity to offer industry-leading quality and reliability to those customers that require a certified polyimide supplier. Merix is committed to continued expansion of our military capabilities and certifications across all of our North American factories."

About Merix

Merix is a leading manufacturer of technologically advanced multilayer rigid printed circuit boards for use in sophisticated electronic equipment. Merix provides high-performance materials, quick-turn prototype, pre-production and volume production services to its customers. Principal markets served by Merix include communications and networking, computing and peripherals, test, industrial and medical, defense and aerospace and automotive end markets in the electronics industry. Additional corporate information is available on the internet at www.merix.com.

Forward-Looking Statements

This release contains "forward-looking statements" within the meaning of the Securities Litigation Reform Act of 1995 relating to the Company's business operations and prospects and are made pursuant to the safe harbor provisions of the federal securities laws. These forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from those anticipated by these forward-looking statements. The forward-looking statements in this news release are based on current expectations, and Merix Corporation does not undertake to update any such factors or to publicly announce developments or events relating to the matters described herein.

     Merix Investor Relations Contact:
     Allen Muhich
     Vice President - Finance
     503.716.3700