TABLE OF CONTENTS

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ARTICLE I DEFINITIONS						2
		SECTION 1.1.		Certain Definitions		2
ARTICLE II THE MERGER						15
		SECTION 2.1.		The Merger		15
		SECTION 2.2.		Effective Time		15
		SECTION 2.3.		Effects of the Merger		15
		SECTION 2.4.		Certificate of Incorporation and Bylaws		15
		SECTION 2.5.		Board of Directors		15
		SECTION 2.6.		Officers		15
		SECTION 2.7.		Conversion of Securities		15
		SECTION 2.8.		Payment of Merger Consideration; Other Payments		17
		SECTION 2.9.		Appraisal Rights		21
		SECTION 2.10.		Withholding Rights		21
		SECTION 2.11.		Lost Certificates		22
		SECTION 2.12.		Closing		22
		SECTION 2.13.		Intentionally Omitted		23
		SECTION 2.14.		Further Assurances		23
ARTICLE III REPRESENTATIONS AND WARRANTIES OF THE COMPANY						23
		SECTION 3.1.		Organization		23
		SECTION 3.2.		Subsidiaries		24
		SECTION 3.3.		Authorization		24
		SECTION 3.4.		Capitalization		25
		SECTION 3.5.		Noncontravention		26
		SECTION 3.6.		Government Consents and Approvals		27
		SECTION 3.7.		Financial Statements		27
		SECTION 3.8.		Absence of Certain Changes		29
		SECTION 3.9.		Litigation		31
		SECTION 3.10.		Material Contracts		31
		SECTION 3.11.		Real Property		33
		SECTION 3.12.		Personal Property		34
		SECTION 3.13.		Compliance with Laws; Permits		35
		SECTION 3.14.		Taxes		36
		SECTION 3.15.		Intellectual Property		39
		SECTION 3.16.		Compliance With Environmental Laws		46
		SECTION 3.17.		Employees; Labor Matters		46
		SECTION 3.18.		ERISA		49
		SECTION 3.19.		Insurance		52
		SECTION 3.20.		Government Contracts		52
		SECTION 3.21.		Bank Accounts		52

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		SECTION 3.22.		Company Transaction Expenses		52
		SECTION 3.23.		Ethical Practices		52
		SECTION 3.24.		Affiliate Transactions		52
		SECTION 3.25.		Customers		53
		SECTION 3.26.		Accounts Receivable and Payable		53
		SECTION 3.27.		Books and Records		54
		SECTION 3.28.		Telecom Service Providers		54
		SECTION 3.29.		Brokers		54
ARTICLE IV REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB						54
		SECTION 4.1.		Organization		54
		SECTION 4.2.		Authorization		54
		SECTION 4.3.		Noncontravention		55
		SECTION 4.4.		Government Consents and Approvals		55
		SECTION 4.5.		No Prior Activities		55
		SECTION 4.6.		Brokers		55
		SECTION 4.7.		Financing		55
ARTICLE V COVENANTS						56
		SECTION 5.1.		Conduct of Business of the Company		56
		SECTION 5.2.		Approval of Stockholders		58
		SECTION 5.3.		Access to Information		59
		SECTION 5.4.		Exclusivity		59
		SECTION 5.5.		Cooperation		60
		SECTION 5.6.		Public Announcements		60
		SECTION 5.7.		Notification of Certain Matters		61
		SECTION 5.8.		Company Transaction Expenses		61
		SECTION 5.9.		Termination of Certain Agreements		61
		SECTION 5.10.		Payoff Letters		61
		SECTION 5.11.		Employee Matters		61
		SECTION 5.12.		Indemnification of Officers and Directors		62
		SECTION 5.13.		Taxes		63
		SECTION 5.14.		Cancellation of Options		67
ARTICLE VI CONDITIONS TO CONSUMMATION OF THE MERGER						67
		SECTION 6.1.		Conditions to Each Party's Obligations to Effect the Merger		67
		SECTION 6.2.		Conditions to the Obligations of Parent and Merger Sub		68
		SECTION 6.3.		Conditions to the Obligations of the Company		69
ARTICLE VII TERMINATION, AMENDMENT AND WAIVER						70
		SECTION 7.1.		Termination		70
		SECTION 7.2.		Effect of Termination		70
		SECTION 7.3.		Amendment		71
		SECTION 7.4.		Extension; Waiver		71

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ARTICLE VIII INDEMNIFICATION						71
		SECTION 8.1.		Survival of Representations and Covenants		71
		SECTION 8.2.		Indemnification		71
		SECTION 8.3.		Manner of Indemnification		74
		SECTION 8.4.		Notice of Claims		75
		SECTION 8.5.		Third-Party Claims		75
		SECTION 8.6.		Mitigation; Exclusivity of Remedy		76
		SECTION 8.7.		Holder Representative		77
ARTICLE IX MISCELLANEOUS						79
		SECTION 9.1.		Entire Agreement		79
		SECTION 9.2.		Assignment		79
		SECTION 9.3.		Severability		79
		SECTION 9.4.		Expenses		80
		SECTION 9.5.		Governing Law		80
		SECTION 9.6.		Jurisdiction; Forum		80
		SECTION 9.7.		Waiver of Jury Trial		80
		SECTION 9.8.		Specific Performance		80
		SECTION 9.9.		Notices		80
		SECTION 9.10.		Parties in Interest		82
		SECTION 9.11.		Counterparts; Facsimiles		82

EXHIBITS AND SCHEDULES

Exhibits:

Exhibit A: Form of Escrow Agreement
Exhibit B: Knowledge Group
Exhibit C: Form of Certificate of Merger
Exhibit D: Forms of Payoff Letters
Exhibit E: Forms of Encumbrance Release Documentation
Exhibit F: Form of Stockholder Consent
Exhibit G: Form of Employment Agreement
Exhibit H: Forms of Legal Opinions

Annexes:

Annex A: Form of Letter of Transmittal

AGREEMENT AND PLAN OF MERGER

     THIS AGREEMENT AND PLAN OF MERGER, dated as of November 27, 2006 (this Agreement), is by and among Followap, Inc., a Delaware corporation (the Company), NeuStar, Inc., a Delaware corporation (Parent), B&T Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Parent (Merger Sub), and Carmel V.C. Ltd. and Sequoia Seed Capital II (Israel) L.P., solely in their capacity as the Holder Representatives hereunder.

R E C I T A L S

     WHEREAS, Parent has formed Merger Sub for the purpose of merging it with and into the Company in order to acquire the Company as a wholly owned subsidiary;

     WHEREAS, the respective Boards of Directors of Parent, Merger Sub and the Company have approved and declared advisable the merger of Merger Sub with and into the Company upon the terms and subject to the conditions of this Agreement, and the respective Boards of Directors of Parent, Merger Sub and the Company have approved and adopted this Agreement;

     WHEREAS, the respective Boards of Directors of Merger Sub and the Company have determined that the Merger is in the best interest of their respective stockholders;

     WHEREAS, the Board of Directors of the Company has directed that (1) this Agreement and (2) a schedule setting forth (a) the payments to be made by Parent with respect to the Preferred Stock, Common Stock, In-the-Money Options (as defined below) and In-the-Money Warrants (as defined below) in accordance with the terms hereof and (b) the methodology for determining the respective amounts of such payments in accordance with the Company Charter, shall be submitted to the holders of the issued and outstanding Preferred Stock (as defined below) and holders of the Common Stock (as defined below) for their approval and adoption;

     WHEREAS, Parent, Merger Sub and the Company desire to make certain representations, warranties, covenants and agreements in connection with the Merger and also to prescribe various conditions to the Merger; and

     WHEREAS, for certain limited purposes, and subject to the terms set forth herein, the Holder Representatives shall serve as representatives of the holders of the outstanding shares of the Companys capital stock as of the Effective Time.

A G R E E M E N T

     NOW THEREFORE, in consideration of the respective covenants and promises contained herein and for other good and valuable consideration, the receipt and adequacy of which is hereby acknowledged, the parties hereto agree as follows:

ARTICLE I

DEFINITIONS

          SECTION 1.1. Certain Definitions. As used herein, the terms below shall have the following meanings. Any of such terms, unless the context otherwise requires, may be used in the singular or plural, depending upon the reference.

          Affiliate means, as applied to any Person, (a) any other Person directly or indirectly controlling, controlled by or under common control with, that Person, (b) any other Person that owns or controls 10% or more of any class of equity securities (including any equity securities issuable upon the exercise of any option or convertible security) of that Person or any of its Affiliates, or (c) any director, partner, officer, manager, agent, employee or relative of such Person. For the purposes of this definition, control (including with correlative meanings, the terms controlling, controlled by, and under common control with) as applied to any Person, means the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of that Person, whether through ownership of voting securities or by contract or otherwise.

          Agreement has the meaning specified in the preamble of this Agreement.

          Applicable Law means, with respect to any Person, any federal, state or local statute, law, ordinance, policy, guidance, rule, administrative interpretation, regulation, order, writ, injunction, directive, judgment, award, decree or other requirements, of any Governmental Entity (including any Environmental Law) that have been published, or are otherwise available, applicable to such Person or any of its properties or assets.

          Audited Financial Statements has the meaning specified in Section 3.7(a).

          Business Day means any day that is not a Saturday, a Sunday or other day on which banks are required or authorized by Applicable Law to be closed in New York, New York.

          Cap has the meaning specified in Section 8.2(d).

          CERCLA means the United States Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended (42 U.S.C. 9601 et seq.).

          Certificate of Merger has the meaning specified in Section 2.2.

          Certificates has the meaning specified in Section 2.8(b).

          Claim Notice has the meaning specified in Section 8.4(a).

          Closing has the meaning specified in Section 2.12(a).

          Closing Date has the meaning specified in Section 2.12(a).

          Code means the Internal Revenue Code of 1986, as amended.

          Common Shares has the meaning specified in Section 2.7(e).

          Common Stock means the common stock, par value $0.001 per share, of the Company.

          Company has the meaning specified in the preamble of this Agreement.

          Company Benefit Plan means any Employee Benefit Plan, Employee Retirement Plan or Employee Welfare Benefit Plan.

          Company Board means the Board of Directors of the Company.