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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899140-05-000626
Filing Date
2005-06-28
Accepted
2005-06-28 18:40:27
Documents
3
Period of Report
2005-06-28

Document Format Files

Seq Description Document Type Size
1 wpep_nsr3-062805ex.html 3  
1 wpep_nsr3-062805ex.xml 3 6985
2 CONTINUATION SHEET e2903793b.txt EX-99.1 1583
3 ADDITIONAL FILERS e2903793c.txt EX-99.2 1959
  Complete submission text file 0000899140-05-000626.txt   13786
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: 3 | Act: 34 | File No.: 001-32548 | Film No.: 05922323

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: 3 | Act: 34 | File No.: 001-32548 | Film No.: 05922324

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: 3 | Act: 34 | File No.: 001-32548 | Film No.: 05922322

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: 3 | Act: 34 | File No.: 001-32548 | Film No.: 05922325