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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899140-08-001230
Filing Date
2008-05-27
Accepted
2008-05-27 17:23:05
Documents
2
Period of Report
2008-05-22

Document Format Files

Seq Description Document Type Size
1 wpip_ppo4-052708ex.html 4  
1 wpip_ppo4-052708ex.xml 4 9367
2 EXHIBIT 99.1 EXPLANATION OF RESPONSES i052708.txt EX-99 2146
  Complete submission text file 0000899140-08-001230.txt   15718
Mailing Address 466 LEXINGTON AVENUE NEW YORK NY NY 100173147
Business Address 466 LEXINGTON AVENUE NEW YORK 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.: 08861552

Mailing Address 466 LEXINGTON AVENUE NEW YORK NY 10017
Business Address 466 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.: 08861553

Mailing Address C/O WARBURG PINCUS LLC 466 LEXINGTON AVE NEW YORK NY 10017
Business Address 2128780600
LANDY JOSEPH (Reporting) CIK: 0001220638 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-32266 | Film No.: 08861550

Mailing Address C/O WARBURG PINCUS LLC 466 LEXINGTON AVE NEW YORK NY 10017
Business Address 2128780600
KAYE CHARLES R (Reporting) CIK: 0001239318 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-32266 | Film No.: 08861551

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)

IRS No.: 432049334 | Fiscal Year End: 1231
SIC: 2890 Miscellaneous Chemical Products
Assistant Director 6

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.: 08861555

Mailing Address 466 LEXINGTON AVENUE NEW YORK NY 10017
Business Address 466 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.: 08861554