Polypore Announces Extension of Exchange Offer

CHARLOTTE, N.C., Dec. 6 /PRNewswire/ -- Polypore, Inc. announced today that it was extending its outstanding offer to exchange an aggregate principal amount of up to $225,000,000 newly issued 8-3/4% Senior Subordinated Dollar Notes due 2012, which are registered under the Securities Act of 1933, as amended (the "Securities Act"), for like principal amount of its issued and outstanding privately placed 8-3/4% Senior Subordinated Dollar Notes due 2012, and an aggregate principal amount of up to Euro 150,000,000 newly issued 8-3/4% Senior Subordinated Euro Notes due 2012, which are registered under the Securities Act, for a like principal amount of its issued and outstanding privately placed 8-3/4% Senior Subordinated Euro Notes due 2012.

The Exchange Offer was originally scheduled to expire at 5:00 p.m. (EST) on December 6, 2004. The expiration date has been extended until 5:00 p.m. (EST) on December 13, 2004. All other terms remain unchanged.

Polypore Inc., a wholly owned subsidiary of Polypore International, Inc., is a growing worldwide developer, manufacturer and marketer of highly specialized polymer-based membranes used in separation and filtration processes. Polypore's products and technologies target specialized applications and markets that require the removal or separation of various materials from liquids, with concentration in the ultrafiltration and microfiltration markets. Truly a global provider, Polypore has manufacturing facilities or sales offices in ten countries serving five continents. Polypore's corporate offices are located in Charlotte, NC.

This announcement does not constitute and offer to sell or buy any security or a solicitation of any offer to buy securities. The Exchange Offer was made by means of a prospectus dated November 3, 2004, and a Prospectus Supplement, dated November 16, 2004, filed with the Securities and Exchange Commission on Form S-4.

Contacts Lynn Amos 704.587.8409 Mark Hadley 704.587.8886

Polypore, Inc.