X0306 4 2013-02-25 0 0001292556 Polypore International, Inc. PPO 0001392917 Bryson Phillip C/O POLYPORE INTERNATIONAL, INC. 11430 N. COMMUNITY HOUSE ROAD, SUITE 350 CHARLOTTE NC 28277 0 1 0 0 Pres. Energy Stor-Transp & Ind Common Stock, par value $.01 per share 2013-02-25 4 A 0 7322 0 A 14693 D Employee Stock Option (right to buy) 36.42 2013-02-25 4 A 0 32541 0 A 2023-02-25 Common Stock, par value $.01 per share 32541 32541 D The shares of restricted stock were granted to the reporting person on February 25, 2013 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 7,322 shares will vest on each of the first, second and third anniversaries of the grant date, respectively, subject to certain conditions, including vesting for tax withholding. The options vest in three annual installments beginning on February 25, 2013. /s/ Phillip Bryson 2013-02-27