CHARLOTTE, N.C., June 2, 2009 (GLOBE NEWSWIRE) -- Polypore International, Inc. (NYSE:PPO) today announced it will be making a presentation to the investment community at 10:00 a.m. CDT on Wednesday, June 10, 2009, at the William Blair 29th Growth Stock Conference at The Four Seasons Hotel, 120 E. Delaware Place, Chicago, Illinois. A link to the webcast can be found at http://www.wsw.com/webcast/blair17/ppo/ and will be available for replay for 30 days.

A copy of the company's presentation and links to the webcasts can also be found at the Investor Relations section under Events & Presentations of the company's website, http://www.polypore.net.

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.
          Investor Contact:
          Investor Relations 
          704-587-8886
          investorrelations@polypore.net