Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001140361-10-049820
Filing Date
2010-12-15
Accepted
2010-12-15 16:21:44
Documents
2
Period of Report
2010-12-13

Document Format Files

Seq Description Document Type Size
1 FORM 4 doc1.html 4  
1 FORM 4 doc1.xml 4 9070
2 MISCELLANEOUS EXHIBITS misc1.htm EX-99.1 3502
  Complete submission text file 0001140361-10-049820.txt   16703
Mailing Address 450 LEXINGTON AVENUE NEW YORK NY NY 100173147
Business Address 450 LEXINGTON AVENUE NEW YORK NY NY 100173147 2128780600
WARBURG PINCUS & CO (Reporting) CIK: 0000929408 (see all company filings)

State of Incorp.: NY | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-32266 | Film No.: 101253771

Mailing Address 450 LEXINGTON AVENUE NEW YORK NY 10017
Business Address 450 LEXINGTON AVENUE NEW YORK NY 10017 2128780600
WARBURG PINCUS LLC (Reporting) CIK: 0001162870 (see all company filings)

State of Incorp.: NY | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-32266 | Film No.: 101253772

Mailing Address C/O WARBURG PINCUS LLC 466 LEXINGTON AVE NEW YORK NY 10017
Business Address
LANDY JOSEPH (Reporting) CIK: 0001220638 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-32266 | Film No.: 101253769

Mailing Address C/O WARBURG PINCUS LLC 466 LEXINGTON AVE NEW YORK NY 10017
Business Address
KAYE CHARLES R (Reporting) CIK: 0001239318 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-32266 | Film No.: 101253770

Mailing Address 11430 N. COMMUNITY ROAD, SUITE 350 CHARLOTTE NC 28277
Business Address (704) 588-5310
Polypore International, Inc. (Issuer) CIK: 0001292556 (see all company filings)

EIN.: 432049334 | Fiscal Year End: 1231
SIC: 2890 Miscellaneous Chemical Products

Mailing Address 466 LEXINGTON AVENUE NEW YORK NY 10017
Business Address 466 LEXINGTON AVENUE NEW YORK NY 10017 212-878-0600
Warburg Pincus International Partners, L.P. (Reporting) CIK: 0001299643 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-32266 | Film No.: 101253774

Mailing Address 450 LEXINGTON AVENUE NEW YORK NY 10017
Business Address 450 LEXINGTON AVENUE NEW YORK NY 10017 212-878-0600
Warburg Pincus Partners LLC (Reporting) CIK: 0001322709 (see all company filings)

State of Incorp.: NY | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-32266 | Film No.: 101253773