CELGARD Participates in Development of New IEEE Standards

06/05/2007

Dr. John Zhang, Celgard Vice President of Applications Development and Polypore Senior Fellow, was an active participant and the Celgard representative in the creation of IEEE Standard 1725?, a performance standard for rechargeable batteries used in cellular telephones. Dr. Zhang currently serves as the Cell Subgroup Chairman in the development of IEEE Standard 1625?, which applies to rechargeable batteries used in portable computing applications.

?We are proud of our track record of delivering real value to Celgard customers and to the end markets they serve,? stated Mitch Pulwer, Vice President and General Manager. ?Celgard is committed to furthering our leadership position as a world-class lithium battery materials supplier.?

Celgard has delivered industry-leading battery separator products for over 30 years, and continues providing industry leadership in developing innovative, high performance battery separator solutions.

Celgard, LLC, a wholly-owned subsidiary of Polypore, Inc., is a global leader in the development and production of specialty microporous membranes serving the high energy market and other high performance applications.

Polypore is a growing 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, N.C., Polypore is a global leader with manufacturing facilities or sales offices in ten countries serving six continents.

The IEEE Standards Association (IEEE-SA), a global standards-setting body, develops consensus standards through an open process that brings diverse parts of an industry together. It has a portfolio of more than 870 completed standards and more than 400 in development. IEEE-SA promotes the engineering process by creating, developing, integrating, sharing and applying knowledge about electro- and information technologies and sciences for the benefit of humanity and the profession.