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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899140-05-001133
Filing Date
2005-12-13
Accepted
2005-12-13 16:45:58
Documents
1
Period of Report
2005-12-12

Document Format Files

Seq Description Document Type Size
1 wpep_nsr4-121305ex.html 4  
1 wpep_nsr4-121305ex.xml 4 9902
  Complete submission text file 0000899140-05-001133.txt   13161
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.: 001-32548 | Film No.: 051261436

Mailing Address
Business Address 466 LEXINGTON AVE. NEW YORK NY 10017 2128780600
WARBURG PINCUS EQUITY PARTNERS LP (Reporting) CIK: 0001075598 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-32548 | Film No.: 051261437

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.: 001-32548 | Film No.: 051261435

Mailing Address 46000 CENTER OAK PLAZA STERLING VA 20166
Business Address 46000 CENTER OAK PLAZA STERLING VA 20166 571-434-5400
NEUSTAR INC (Issuer) CIK: 0001265888 (see all company filings)

IRS No.: 000000000
SIC: 4899 Communications Services, NEC

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.: 001-32548 | Film No.: 051261438