Polypore Appoints Christopher J. Kearney to Board of Directors

Polypore Appoints Christopher J. Kearney to Board of Directors

CHARLOTTE, N.C., Oct. 30, 2012 (GLOBE NEWSWIRE) -- Polypore International,
Inc. (NYSE:PPO) today announced that Christopher J. Kearney has been appointed
to the Board of Directors, replacing W. Nicholas Howley, Chairman and Chief
Executive Officer, TransDigm Group, Inc. Mr. Kearney will serve on the
Company's Compensation Committee.

Mr. Kearney is Chairman, President and Chief Executive Officer of SPX
Corporation, a Charlotte-based, NYSE-listed globally diversified provider of
highly engineered, innovative products and technologies that support two
critical needs of modern societies: power and energy; and foods and beverages.
Mr. Kearney brings notable multi-industry leadership experience with companies
such as Grimes Aerospace Company, Borg-Warner Chemicals and General Electric,
as well as expertise in corporate legal matters and global strategy. Mr.
Kearney has been a director of SPX since 2004 and is also a director of Nucor

Commenting on the change, Robert B. Toth, Polypore's Chairman, President and
Chief Executive Officer stated: "Nick has been a valuable contributor to the
Company since 2005 and we want to thank him for his service to Polypore during
our private equity ownership and Initial Public Offering, as well as through
our growth as an organization. We'd also like to welcome Chris and we are very
pleased he has agreed to join the board. Chris is a recognized leader both
globally and in the Charlotte business community and his diverse and extensive
experience across multiple industries will be valuable to us as we continue to
position Polypore for long-term growth."

About Polypore International, Inc.

Polypore International, Inc. is a global high technology filtration company
specializing in microporous membranes. Polypore's flat sheet and hollow fiber
membranes are used in specialized applications that require the removal or
separation of various materials from liquids, primarily in the ultrafiltration
and microfiltration markets. Based in Charlotte, NC, Polypore International,
Inc. is a market leader with manufacturing facilities or sales offices in ten
countries serving six continents. See www.polypore.net.

CONTACT: Polypore International, Inc.
         Polypore Corporate Communications
         Tel: (704) 587-8409
         Polypore Investor Relations
         Tel: (704) 587-8886

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