POLYPORE INTERNATIONAL, INC. 4,500,000 Shares of Common Stock Underwriting AgreementPolypore International, Inc. • March 23rd, 2011 • Miscellaneous chemical products • New York
Company FiledMarch 23rd, 2011 Industry JurisdictionCertain stockholders of Polypore International, Inc., a Delaware corporation (the “Company”), named in Schedule II hereto (the “Selling Stockholders”), propose severally and not jointly, subject to the terms and conditions set forth herein, to sell to the Underwriter listed on Schedule I hereto (the “Underwriter”) an aggregate of 4,500,000 shares (the “Shares”) of common stock, par value $0.01 per share (the “Stock”), of the Company.