SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
KRESSEL HENRY

(Last) (First) (Middle)
C/O WARBURG PINCUS & CO.
466 LEXINGTON AVENUE

(Street)
NEW YORK NY 10017

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
NEUSTAR INC [ NSR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
12/12/2005
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock 12/12/2005 S 9,426,958 D $32.3 1,747,907 I(1)(2) By NeuStar, Inc. Voting Trust(1)(2)
Class A Common Stock 5,644,080 I(1)(2) See footnotes(1)(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Warrant to purchase Class A Common Stock $0.0667 12/12/2005 S 6,361,383 12/07/1999 12/07/2009 Class A Common Stock 6,361,383 $32.3 0 I(1)(2) See footnotes(1)(2)
Explanation of Responses:
1. The stockholders are Warburg Pincus Equity Partners, L.P., a Delaware limited partnership, including two affiliated partnerships ("WPEP"). Warburg Pincus Partners LLC, a New York limited liability company ("WP Partners"), which is a subsidiary of Warburg Pincus & Co., a New York general partnership ("WP") is the sole general partner of WPEP. Warburg Pincus LLC, a New York limited liability company, ("WP LLC," and together with WPEP, WP Partners and WP, the "Warburg Entities") manages WPEP. The address of each Warburg Entity is 466 Lexington Avenue, New York, NY 10017.
2. Henry Kressel is a director of NeuStar, Inc., a Partner of WP and a Member and Managing Director of WP LLC. Mr. Kressel's business address is c/o Warburg Pincus, 466 Lexington Avenue, New York, NY 10017. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended, Henry Kressel may be deemed to be the beneficial owner of the shares of Class A Common Stock. Henry Kressel disclaims beneficial ownership of all shares of Class A Common Stock. Each of WP Partners, WP LLC and WP disclaims beneficial ownership of all shares of Class A Common Stock owned by any of the Warburg Entities, except to the extend of any indirect pecuniary interest therein.
/s/ Henry Kressel 12/13/2005
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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