CHARLOTTE, N.C., April 14, 2008 (PRIME NEWSWIRE) -- Polypore International, Inc. (NYSE:PPO - News) will release its first quarter 2008 financial results after U.S. markets close on Wednesday, April 30, 2008.

Robert Toth, President and CEO, and Lynn Amos, Chief Financial Officer, will host a conference call to review and discuss those results beginning at 9:00 am Eastern time on Thursday, May 1, 2008. A replay of the conference call will be available through May 8, 2008, via telephone at 719-457-0820. Enter code 4269875.

The call will be webcast live and archived for 30 days in the Investor Relations section of the company's web site at http://investor.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 http://www.polypore.net.

          Polypore International, Inc. 
          Investor Relations
          704-587-8886
          investorrelations@polypore.net