Polypore International, Inc. (NYSE:PPO) will release its third quarter 2013 financial results after U.S. markets close on Monday, November 4, 2013.

Robert Toth, President and Chief Executive Officer, and Lynn Amos, Chief Financial Officer, will host a conference call to review and discuss those results beginning at 4:45 pm Eastern time on Monday, November 4, 2013. The dial-in number for the conference call is (631) 291-4526. Enter code 72588259.   A replay of the conference call will be available through Monday, November 11, 2013 via telephone at (404) 537-3406. Enter code 72588259.

The call will be webcast live and archived for 30 days in the Investor Relations section of the Company's website 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 www.polypore.net.

CONTACT: Polypore International, Inc.
         Investor Relations (704) 587-8886
         investorrelations@polypore.net