X0306 4 2014-02-27 0 0001292556 Polypore International, Inc. PPO 0001299926 Graff Michael C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 1 0 0 0 Common Stock, par value $.01 per share 2014-02-27 4 A 0 1716 0 A 17952 D The shares of restricted stock were granted to the reporting person on February 27, 2014 under the terms of the Polypore International, Inc. 2007 Stock Incentive Plan (amended and restated effective as of May 12, 2011), as further amended on November 30, 2011, pursuant to Rule 16b-3 of the Securities Exchange Act of 1934. One-third of these 1,716 shares will vest on each of the first, second and third anniversaries of the grant date, respectively, subject to certain conditions. An additional 2,892 shares are held indirectly by Mr. Graff. /s/ Michael Graff 2014-03-03