UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D
                                 (Rule 13d-101)

                    Under the Securities Exchange Act of 1934


                            ILLUMINET HOLDINGS, INC.

             ------------------------------------------------------

                                (Name of Issuer)

                          COMMON STOCK, PAR VALUE $.01
             -------------------------------------------------------

                         (Title of Class of Securities)

                                    452334105

             -------------------------------------------------------
                                 (CUSIP Number)

                      JAMES M. ULAM, SENIOR VICE PRESIDENT,
                          GENERAL COUNSEL AND SECRETARY
                                 VERISIGN, INC.
                            487 EAST MIDDLEFIELD ROAD
                         MOUNTAIN VIEW, CALIFORNIA 94043

                                 (650) 961-7500

             -------------------------------------------------------
            (Name, Address and Telephone Number of Person Authorized
                     to Receive Notices and Communications)

                                 with a copy to:
                             JEFFREY R. VETTER, ESQ.
                               FENWICK & WEST LLP
                              TWO PALO ALTO SQUARE
                           PALO ALTO, CALIFORNIA 94306
                                 (650) 494-0600

                               SEPTEMBER 23, 2001

            --------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)


If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box
[_]




The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

                                  SCHEDULE 13D

------------------------------------------------
CUSIP No. 452334105
------------------------------------------------

--------------------------------------------------------------------------------
           NAME OF REPORTING PERSON
    1      S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

           VeriSign, Inc.                              I.R.S. ID No.: 94-3221585
--------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP             (a)  |_|
           Not Applicable    (b)  |_|
--------------------------------------------------------------------------------
    3      SEC USE ONLY

--------------------------------------------------------------------------------
    4      SOURCE OF FUNDS

           00
--------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
           PURSUANT TO ITEMS 2(d) or 2(e)                                    |_|
           Not Applicable
--------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION
           State of Delaware
--------------------------------------------------------------------------------
                                7     SOLE VOTING POWER
           NUMBER
             OF                       6,499,649 (1)
                             ---------------------------------------------------
           SHARES               8     SHARED VOTING POWER
        BENEFICIALLY
           OWNED                      846,856 (2)
                             ---------------------------------------------------
             BY                 9     SOLE DISPOSITIVE POWER
            EACH
         REPORTING                    6,499,649 (1)
                             ---------------------------------------------------
           PERSON               10    SHARED DISPOSITIVE POWER
            WITH

                                      Not Applicable

--------------------------------------------------------------------------------
    11     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           7,346,505 (1)(2)
--------------------------------------------------------------------------------
    12     CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
           SHARES                                                            |_|

--------------------------------------------------------------------------------
    13     PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           21.7% (3)
--------------------------------------------------------------------------------
    14     TYPE OF REPORTING PERSON

           CO

--------------------------------------------------------------------------------


                                       2



(1)  In the event the Option (discussed in Item 3 and 4 below) becomes
     exercisable and is exercised in full, VeriSign will have sole voting power
     with respect to that number of shares equal to 19.9% of the number of
     shares of the then outstanding shares of common stock of Illuminet, which
     based upon the 32,661,554 shares of Illuminet common stock outstanding as
     of September 20, 2001, as represented by Illuminet in the Merger Agreement
     (defined in Item 4, below), currently equals 6,499,649 shares of Illuminet
     common stock. Prior to the exercise of the Option, VeriSign is not entitled
     to any rights as a stockholder of Illuminet as to the shares of Illuminet
     common stock covered by the Option. The Option may only be exercised upon
     the happening of certain events referred to in Item 4, none of which has
     occurred as of the date hereof. VeriSign expressly disclaims beneficial
     ownership of any of the shares of Illuminet common stock which are
     purchasable by VeriSign upon exercise of the Option until such time as
     VeriSign purchases any such shares of Illuminet common stock upon any such
     exercise.

(2)  Represents shares of Illuminet common stock subject to Voting Agreements
     (defined in Item 4, below) between VeriSign and certain officers and
     directors of Illuminet who are stockholders of Illuminet. Includes shares
     issuable upon exercise of options exercisable within 60 days of September
     23, 2001. VeriSign express disclaims beneficial ownership of any of the
     shares of Illuminet common stock covered by the Voting Agreements. Based on
     32,661,554 shares of Illuminet common stock outstanding as of September 20,
     2001, as represented by Illuminet in the Merger Agreement, the shares
     governed by the Voting Agreements would represent approximately 2.6% of the
     shares of outstanding Illuminet common stock.

(3)  Calculated assuming the issuance by the Issuer of 6,499,649 shares of
     common stock of the Issuer upon exercise of the Option as described herein.

Item 1. Security and Issuer.

     This statement on Schedule 13D (this "Statement") relates to the common
stock of Illuminet Holdings, Inc., a Delaware corporation (sometimes referred to
herein as "Issuer" or "Illuminet"). The principal executive offices of Illuminet
are located at 4501 Intelco Loop, Lacey, Washington, 98503.

Item 2. Identity and Background.

     (a) The name of the corporation filing this statement is VeriSign, Inc., a
Delaware corporation ("VeriSign").

     (b) The address of VeriSign's principal business is 487 East Middlefield
Road, Mountain View, California 94043.

     (c) VeriSign provides Internet trust services and digital certificate
solutions for websites, enterprises and individuals to conduct trusted and
secure electronic commerce and communications over Internet protocol-based
networks. The address of VeriSign's principal business is 487 East Middlefield
Road, Mountain View, California 94043.

     (d) Neither VeriSign, nor to VeriSign's knowledge, any person named on
Schedule A attached hereto is required to disclose legal proceedings pursuant to
Item 2(d).

     (e) Neither VeriSign, nor to VeriSign's knowledge, any person named on
Schedule A attached hereto is required to disclose legal proceedings pursuant to
Item 2(e).

     (f) To VeriSign's knowledge each of the individuals identified on Schedule
A attached hereto is a citizen of the United States.

     Set forth on Schedule A is the name, and present principal occupation or
employment, and the name, principal business and address of any corporation or
other organization in which such employment is conducted, of each of the
directors and executive officers of VeriSign as of the date hereof.

Item 3. Source and Amount of Funds or Other Consideration.



                                       3



            As an inducement for VeriSign to enter into the Merger Agreement
described in Item 4 and in consideration thereof, certain stockholders of
Illuminet, entered into Voting Agreements (See Item 4). VeriSign did not pay
additional consideration to the Stockholders in connection with the execution
and delivery of the Voting Agreements. In addition, the Stockholders granted
VeriSign an irrevocable proxy.

            As an inducement for VeriSign to enter into the Merger Agreement,
VeriSign and Illuminet entered into the Stock Option Agreement (the "Stock
Option Agreement"), under which Illuminet granted VeriSign an irrevocable option
to acquire, under specified conditions, up to the number of shares of Illuminet
common stock equal to 19.9% of the number of shares (the "Option Shares") of
Illuminet common stock issued and outstanding as of the date of exercise (the
"Option"), at an exercise price of $35.62 per share, subject to adjustment in
the event of changes in the capitalization of Illuminet. The amount of profit
that VeriSign may realize under the option is subject to a profit cap of
$65,000,000. The Option will become exercisable by VeriSign, in whole or in
part, at any time and from time to time, upon the occurrence of an "Exercise
Event" as specified in Section 2 of the Stock Option Agreement.

            References to, and descriptions of, the Merger, the Merger
Agreement, the Voting Agreements and the Option Agreement as set forth herein
are qualified in their entirety by reference to the copies of the Merger
Agreement, the Voting Agreements and the Option Agreement respectively, included
as Exhibits 1, 2 and 3 respectively, to this Schedule 13D, and are incorporated
herein in their entirety where such references and descriptions appear.

Item 4.     Purpose of Transaction.

            (a) - (b) Pursuant to an Agreement and Plan of Merger dated as of
September 23, 2001 (the "Merger Agreement"), among VeriSign, Illinois
Acquisition Corporation, a Delaware corporation and wholly-owned subsidiary of
VeriSign ("Merger Sub"), and Illuminet, and subject to the conditions set forth
therein (including approval by stockholders of VeriSign and Illuminet), Merger
Sub will merge with and into Illuminet and Illuminet will become a wholly-owned
subsidiary of VeriSign (such events constituting the "Merger"). Once the Merger
is consummated, Merger Sub will cease to exist as a corporation and all of the
business, assets, liabilities and obligations of Merger Sub will be merged into
Illuminet with Illuminet remaining as the surviving corporation (the "Surviving
Corporation").

            As a result of the Merger, each outstanding share of Illuminet
common stock, other than shares owned by Merger Sub, VeriSign or any
wholly-owned subsidiary of VeriSign, will be converted into the right to receive
0.93 shares (the "Exchange Ratio") of VeriSign common stock, and each
outstanding option to purchase Illuminet common stock will be exchanged for an
option to purchase shares of VeriSign common stock according to the Exchange
Ratio.

            The Stockholders have, by executing Voting Agreements (the "Voting
Agreements"), agreed to vote such portion of the 846,856 shares of Illuminet
common stock (the "Shares") beneficially owned by them as described below.

            Pursuant to the Voting Agreements, the Stockholders have agreed, at
every Illuminet stockholders meeting and on every action or approval by written
consent in lieu of such meeting, to cause the Shares to be voted (i) in favor of
the approval and adoption of the Merger Agreement and approval of the Merger and
(ii) against approval of any proposal made in opposition to or in competition
with consummation of the Merger, including, without limitation, any Acquisition
Proposal or Superior Offer (each as defined in the Merger Agreement) or any
action or agreement that would result in a breach in any respect of any
covenant, representation or warranty or any other obligation or agreement of
Illuminet under the Merger Agreement or of the Stockholders under the Voting
Agreements. The Stockholders may vote the Shares on all other matters. The
Voting Agreements terminate upon the earlier to occur of (i) such date and time
as the Merger shall become effective in accordance with the terms and provisions
of the Merger Agreement and (ii) such date and time as the Merger Agreement
shall have been terminated pursuant to Article VII thereof. Together with the
Voting Agreements, the Stockholders delivered irrevocable proxies to VeriSign
granting it the right to vote its shares of Illuminet common stock in the manner
similar to the obligations of the Stockholders under the Voting Agreements
described above.


                                       4



            The purpose of the transactions under the Voting Agreements is to
enable VeriSign and Illuminet to consummate the transactions contemplated under
the Merger Agreement.

            As stated above, the Option was granted to VeriSign in connection
with the execution of the Merger Agreement. VeriSign entered into the Stock
Option Agreement in order to help ensure the closing of the Merger Agreement.
VeriSign currently anticipates that it will acquire all of the outstanding
common stock of the Issuer upon consummation of the Merger.

            The Option shall become exercisable upon the occurrence of certain
events set forth in Section 2 of the Stock Option Agreement, none of which has
occurred as of the date hereof.

            VeriSign has the right to cause the Issuer to prepare and file a
shelf registration statement under the Securities Act of 1933, as amended, in
order to permit the sale by VeriSign of Option Shares purchased under the
Option.

            (c)  Not applicable.

            (d) It is anticipated that upon consummation of the Merger, the
directors of the Surviving Corporation shall be the current directors of Merger
Sub. It is anticipated that the initial officers of the Surviving Corporation
shall be the officers of Merger Sub, until their respective successors are duly
elected or appointed and qualified.

            (e)  Other than as a result of the Merger described in Item 3 above,
not applicable.

            (f)  Not applicable.

            (g) Upon consummation of the Merger, the Certificate of
Incorporation of Illuminet shall be amended and restated in its entirety to be
identical to the Certificate of Incorporation of the Merger Sub except Article I
of the Certificate of Incorporation shall read: "The name of the corporation is
"Illuminet Holdings, Inc.", until thereafter amended. Upon consummation of the
Merger, the Bylaws of Illuminet shall be amended and restated in their entirety
to be identical to the Bylaws of Merger Sub until thereafter amended.

            (h) - (i) If the Merger is consummated as planned, the Illuminet
common stock will be deregistered under the Act and delisted from The Nasdaq
National Market.

            (j) Other than described above, VeriSign currently has no plan or
proposals which relate to, or may result in, any of the matters listed in Items
4(a) - (j) of Schedule 13D (although VeriSign reserves the right to develop such
plans).

            References to, and descriptions of, the Merger Agreement , the Stock
Option Agreement and the Voting Agreements as set forth above in this Item 4 are
qualified in their entirety by reference to the copies of the Merger Agreement,
the Stock Option Agreement and the Voting Agreements, respectively, included as
Exhibits 1 and 2, respectively, to this Schedule 13D, and are incorporated in
this Item 4 in their entirety where such references and descriptions appear.

Item 5.     Interest in Securities of the Issuer.

            (a) - (b) As a result of the Voting Agreements and the issuance of
the Option, VeriSign may be deemed to be the beneficial owner of 7,346,505
shares of Illuminet common stock. Such Illuminet common stock constitutes
approximately 21.7% of the issued and outstanding shares of Illuminet common
stock based on the number of shares of Illuminet common stock outstanding as of
September 20, 2001 (as represented by Illuminet in the Merger Agreement
discussed in Items 3 and 4). If the Option becomes exercisable and if all of the
Option Shares were acquired, VeriSign would have sole voting and dispositive
power with respect to the Option Shares. Schedule B to this Statement sets forth
the name and number of


                                       5



shares of Illuminet common stock beneficially owned by each Illuminet
stockholder who is subject to a Voting Agreement. VeriSign may be deemed to have
the shared power to vote the Shares under the Voting Agreements as described
above.

            VeriSign (i) is not entitled to any rights as a stockholder of
Illuminet as to the Shares and (ii) disclaims any beneficial ownership of the
shares of Illuminet common stock which are covered by the Voting Agreements.

            Nothing herein shall be deemed to be an admission by VeriSign as to
the beneficial ownership of any Shares, and, prior to exercise of the Option,
VeriSign disclaims beneficial ownership of all Option Shares.

            To VeriSign's knowledge, no shares of Illuminet common stock are
beneficially owned by any of the persons named in Schedule A to this Statement.

            (c) To the knowledge of VeriSign, no transactions in the class of
securities reported have been effected during the past sixty days by any person
named pursuant to Item 2.

            (d) To the knowledge of VeriSign, no other person has the right to
receive or the power to direct the receipt of dividends from, or the proceeds
from the sale of, the securities of Illuminet.

            (e)  Not Applicable.

Item 6.     Contracts, Arrangements, Understanding or Relationships With Respect
to Securities of the Issuer.

            Other than the Merger Agreement and the exhibits thereto, including
the Voting Agreements, and the Stock Option Agreement, to the knowledge of
VeriSign, there are no contracts, arrangements, understandings or relationships
among the persons named in Item 2 and between such persons and any person with
respect to any securities of Illuminet, including but not limited to transfer or
voting of any of the securities, finder's fees, joint ventures, loan or option
arrangement, puts or calls, guarantees of profits, division of profits or loss,
or the giving or withholding of proxies.

Item 7.     Materials to be Filed as Exhibits.

            The following documents are filed as exhibits:

            1.  Agreement and Plan of Merger, dated September 23, 2001 by and
among VeriSign, Merger Sub and Illuminet.

            2.  Form of Voting Agreement, dated September 23, 2001, between
VeriSign and certain stockholders of Illuminet.

            3.  Stock Option Agreement, dated September 23, 2001, between
VeriSign and Illuminet.


                                       6





                                    SIGNATURE

            After reasonable inquiry and to the best of my knowledge and belief,
I certify that the information set forth in this statement is true, complete and
correct.

Dated:  October 3, 2001

VERISIGN, INC.


By:         /s/ James M. Ulam
    -----------------------------------------

James M. Ulam
Senior Vice President,
General Counsel and Secretary



                                   Schedule A

               DIRECTORS AND EXECUTIVE OFFICERS OF VERISIGN, INC.
                -------------------------------------------------

            The following table sets forth the name, business address and
present principal occupation or employment of each director and executive
officer of VeriSign. Except as indicated below, the business address of each
such person is 487 East Middlefield Road, Mountain View, CA 94043.

                               BOARD OF DIRECTORS
                               ------------------

Name and Business Address               Present Principal Occupation

D. James Bidzos                         Vice Chairman of the Board of
c/o RSA Security Inc.                   Directors, RSA Security, Inc.
36 Crosby Drive
Bedford, MA  01730

Stratton D. Sclavos                     President and Chief Executive Officer
                                        and  Director, VeriSign, Inc.

William Chenevich,                      Vice Chairman of the Board,
First Star                              First Star Corporation
777 E. Wisconsin
Milwaukee, WI  53202

Kevin R. Compton                        General Partner,
Kleiner Perkins Caufield & Byers        Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA  94025

David J. Cowan                          General Partner,
Bessemer Venture Partners               Bessemer Venture Partners
535 Middlefield Road
Menlo Park, CA  94025

Scott G. Kriens                         Chairman, President and Chief
Juniper Networks, Inc.                  Executive Officer Juniper Networks, Inc.
1194 N. Mathilda Avenue
Sunnyvale, CA  94089

Greg L. Reyes                           Chairman and Chief Executive Officer
Brocade Communications, Inc.            Brocade Communications, Inc.
1745 Technology Drive
San Jose, CA  95110

Timothy Tomlinson                       Partner,
Tomlinson Zisko Morosoli & Maser LLP    Tomlinson Zisko Morosoli & Maser LLP
200 Page Mill Road, 2nd Floor
Palo Alto, CA  94306

                         EXECUTIVE OFFICERS OF VERISIGN
                         ------------------------------

Name                                    Title
----                                    -----

Stratton D. Sclavos                     President and Chief Executive Officer



                                        and Director

Dana L. Evan                            Executive Vice President of Finance
                                        And Administration and Chief Financial
                                        Officer

William P. Fasig                        Senior Vice President of Corporate
                                        Marketing Services

Quentin P. Gallivan                     Executive Vice President of Worldwide
                                        Sales And Services

Herbert R. Hribar                       Executive Vice President, General
                                        Manager of VeriSign Global Registry
                                        Services

Robert J. Korzeniewski                  Executive Vice President of Corporate
                                        And Business Development

W.G. Champion Mitchell                  Executive Vice President and General
                                        Manager, Mass Markets Division

Anil H. P. Pereira                      Senior Vice President and Group General
                                        Manger, Enterprise and Service Provider
                                        Division

James M. Ulam                           Senior Vice President, General Counsel
                                        And Secretary



                                 SCHEDULE B

     Illuminet Stockholders Subject to Company Voting Agreements and Irrevocable
Proxies


                 Stockholder                    Shares Beneficially Owned
                 -----------                    -------------------------
       Theodore Berns (1)                                62,484
       Jack Blumenstein (2)                               2,175
       Terry Kremian (3)                                130,380
       Richard Lumpkin (4)                              450,117
       David Nicol (5)                                  111,014
       James Strand (6)                                  37,523
       Greg Wilkinson (7)                                53,163

(1)  Includes 51,016 shares issuable under options exercisable within 60 days
     after September 23, 2001.

(2)  Includes 2,175 shares issuable under options exercisable within 60 days
     after September 23, 2001.

(3)  Includes 127,250 shares issuable under options exercisable within 60 days
     after September 23, 2001.

(4)  As a voting member of SKL Investment Group, LLC, Mr. Lumpkin may be deemed
     the beneficial owner of 437,584 shares of Common Stock owned by SKL. The
     figures in the table for Mr. Lumpkin also include 12,533 shares issuable
     under options exercisable within 60 days after September 23, 2001.

(5)  Includes 104,000 shares issuable under options exercisable within 60 days
     after September 23, 2001.

(6)  Includes 30,819 shares issuable under options exercisable within 60 days
     after September 23, 2001.

(7)  Includes 52,963 shares issuable under options exercisable within 60 days
     after September 23, 2001.



                                                                       EXHIBIT 1

--------------------------------------------------------------------------------



                          AGREEMENT AND PLAN OF MERGER

                                  BY AND AMONG

                                 VERISIGN, INC.,

                        ILLINOIS ACQUISITION CORPORATION

                                       AND

                            ILLUMINET HOLDINGS, INC.



                                                              SEPTEMBER 23, 2001

--------------------------------------------------------------------------------





                                TABLE OF CONTENTS

                                                                           Page
                                                                           ----

ARTICLE I  THE MERGER ........................................................1

     1.1       The Merger ....................................................1
     1.2       Effective Time; Closing .......................................1
     1.3       Effect of the Merger ..........................................2
     1.4       Certificate of Incorporation; Bylaws ..........................2
     1.5       Directors and Officers ........................................2
     1.6       Effect on Capital Stock .......................................2
     1.7       Exchange of Certificates ......................................3
     1.8       No Further Ownership Rights in Company Common Stock ...........6
     1.9       Restricted Stock ..............................................6
     1.10      Tax Consequences ..............................................7
     1.11      Alternative Transaction Structure .............................7
     1.12      Taking of Necessary Action; Further Action ....................7

ARTICLE II  REPRESENTATIONS AND WARRANTIES OF COMPANY ........................7

     2.1       Organization; Subsidiaries ....................................8
     2.2       Company Capitalization ........................................8
     2.3       Obligations With Respect to Capital Stock .....................9
     2.4       Authority; Non-Contravention .................................10
     2.5       SEC Filings; Company Financial Statements ....................12
     2.6       Absence of Certain Changes or Events .........................13
     2.7       Taxes ........................................................14
     2.8       Title and Operation of Properties ............................16
     2.9       Intellectual Property ........................................16
     2.10      Compliance with Laws .........................................18
     2.11      Litigation ...................................................19
     2.12      Employee Benefit Plans .......................................19
     2.13      Environmental Matters ........................................23
     2.14      Certain Agreements ...........................................24
     2.15      Customer Contracts and Network Operations ....................26
     2.16      Brokers' and Finders' Fees ...................................27
     2.17      Insurance ....................................................27
     2.18      Disclosure ...................................................27
     2.19      Board Approval ...............................................27
     2.20      Fairness Opinion .............................................28
     2.21      DGCL Section 203 and Rights Agreement ........................28
     2.22      Affiliates ...................................................28

ARTICLE III  REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB ........28

     3.1       Organization of Parent and Merger Sub ........................29
     3.2       Parent and Merger Sub Capitalization .........................29
     3.3       Obligations With Respect to Capital Stock ....................30



                                                                                           
     3.4       Authority; Non-Contravention .....................................................30
     3.5       SEC Filings; Parent Financial Statements .........................................31
     3.6       Absence of Certain Changes or Events .............................................32
     3.7       Taxes ............................................................................32
     3.8       Intellectual Property ............................................................33
     3.9       Litigation .......................................................................33
     3.10      Disclosure .......................................................................33
     3.11      Parent Contracts .................................................................34
     3.12      Brokers' and Finders' Fees .......................................................34
     3.13      Board Approval ...................................................................34
     3.14      DGCL Section 203 .................................................................34

ARTICLE IV  CONDUCT PRIOR TO THE EFFECTIVE TIME .................................................34

     4.1       Conduct of Business by Company ...................................................34
     4.2       No Parent Dividend ...............................................................37

ARTICLE V  ADDITIONAL AGREEMENTS ................................................................37

     5.1       Proxy Statement/Prospectus; Registration Statement;
               Antitrust and Other Filings ......................................................37
     5.2       Meeting of Company Stockholders ..................................................38
     5.3       No Solicitation ..................................................................40
     5.4       Confidentiality; Access to Information ...........................................42
     5.5       Public Disclosure ................................................................42
     5.6       Reasonable Efforts; Notification .................................................42
     5.7       Third Party Consents .............................................................43
     5.8       Stock Options and ESPP ...........................................................44
     5.9       Form S-8 .........................................................................44
     5.10      Indemnification ..................................................................44
     5.11      Nasdaq Listing ...................................................................45
     5.12      Letter of Company's Accountants ..................................................45
     5.13      Takeover Statutes; Company Rights Agreement ......................................45
     5.14      Certain Employee Benefits ........................................................46
     5.15      Section 16 Matters ...............................................................46
     5.16      Company Affiliates; Restrictive Legend ...........................................47

ARTICLE VI  CONDITIONS TO THE MERGER ............................................................47

     6.1       Conditions to Obligations of Each Party to Effect the Merger .....................47
     6.2       Additional Conditions to Obligations of Company ..................................48
     6.3       Additional Conditions to the Obligations of Parent and Merger Sub ................48

ARTICLE VII  TERMINATION, AMENDMENT AND WAIVER ..................................................50

     7.1       Termination ......................................................................50
     7.2       Notice of Termination; Effect of Termination .....................................51
     7.3       Fees and Expenses ................................................................52
     7.4       Amendment ........................................................................53
     7.5       Extension; Waiver ................................................................53

ARTICLE VIII GENERAL PROVISIONS .................................................................53

ii 8.1 Non-Survival of Representations and Warranties ...............53 8.2 Notices ......................................................53 8.3 Interpretation; Certain Defined Terms ........................54 8.4 Counterparts .................................................56 8.5 Entire Agreement; Third Party Beneficiaries ..................56 8.6 Severability .................................................56 8.7 Other Remedies; Specific Performance .........................56 8.8 Governing Law ................................................57 8.9 Rules of Construction ........................................57 8.10 Assignment ...................................................57 8.11 Waiver Of Jury Trial .........................................57 INDEX OF EXHIBITS Exhibit A Form of Voting Agreement Exhibit B Form of Stock Option Agreement Exhibit C Form of Telecommunications Regulatory Opinion iii AGREEMENT AND PLAN OF MERGER This AGREEMENT AND PLAN OF MERGER (this "Agreement") is made and entered into as of September 23, 2001, among VeriSign, Inc., a Delaware corporation ("Parent"), Illinois Acquisition Corporation, a Delaware corporation and a wholly owned first-tier subsidiary of Parent ("Merger Sub"), and Illuminet Holdings, Inc., a Delaware corporation ("Company"). RECITALS A. The respective Boards of Directors of Parent, Merger Sub and Company have approved this Agreement, and declared advisable the merger of Merger Sub with and into Company (the "Merger") upon the terms and subject to the conditions of this Agreement and in accordance with the General Corporation Law of the State of Delaware ("Delaware Law"). B. For United States federal income tax purposes, the Merger is intended to qualify as a "reorganization" pursuant to the provisions of Section 368 of the Internal Revenue Code of 1986, as amended (the "Code"). C. Concurrently with the execution of this Agreement, and as a condition and inducement to Parent's willingness to enter into this Agreement, certain stockholders of Company are entering into a Voting Agreement with Parent in the form of Exhibit A (the "Voting Agreement"). D. Concurrently with the execution of this Agreement, and as a condition and inducement to Parent's willingness to enter into this Agreement, Parent and Company are entering into a Stock Option Agreement in the form of Exhibit B (the "Stock Option Agreement"). In consideration of the foregoing and the representations, warranties, covenants and agreements set forth in this Agreement, the parties agree as follows: ARTICLE I THE MERGER 1.1 The Merger. Upon the terms and subject to the conditions of this ---------- Agreement and the applicable provisions of Delaware Law, at the Effective Time, Merger Sub shall be merged with and into Company, the separate corporate existence of Merger Sub shall cease, and Company shall continue as the surviving corporation of the Merger (the "Surviving Corporation"). 1.2 Effective Time; Closing. Subject to the provisions of this Agreement, ----------------------- the parties hereto shall cause the Merger to be consummated by filing a certificate of merger, in such appropriate form as determined by the parties, with the Secretary of State of the State of Delaware in accordance with the relevant provisions of Delaware Law (the "Certificate of Merger") (the time of such filing (or such later time as may be agreed in writing by Company and Parent and specified in the Certificate of Merger) being the "Effective Time") as soon as practicable on or after the Closing Date. The closing of the Merger (the "Closing") shall take place at the offices of Fenwick & West LLP, located at Two Palo Alto Square, Palo Alto, California, at a time and date to be specified by the parties, which shall be no later than the second business day after the satisfaction or waiver of the conditions set forth in Article VI, or at such other time, date and location as the parties hereto agree in writing (the "Closing Date"). 1.3 Effect of the Merger. At the Effective Time, the effect of the Merger -------------------- shall be as provided in this Agreement and the applicable provisions of Delaware Law. Without limiting the generality of the foregoing, at the Effective Time, all the property, rights, privileges, powers and franchises of Company and Merger Sub shall vest in the Surviving Corporation, and all debts, liabilities and duties of Company and Merger Sub shall become the debts, liabilities and duties of the Surviving Corporation. 1.4 Certificate of Incorporation; Bylaws. ------------------------------------ (a) At the Effective Time, the Certificate of Incorporation of Company shall be amended and restated in its entirety to be identical to the Certificate of Incorporation of Merger Sub, as in effect immediately prior to the Effective Time, until thereafter amended in accordance with Delaware Law and as provided in such Certificate of Incorporation; provided, however, that at the Effective Time, Article I of the Certificate of Incorporation of the Surviving Corporation shall be amended and restated in its entirety to read as follows: "The name of the corporation is "Illuminet Holdings, Inc." (b) At the Effective Time, the Bylaws of Company shall be amended and restated in their entirety to be identical to the Bylaws of Merger Sub, as in effect immediately prior to the Effective Time, until thereafter amended in accordance with Delaware Law and as provided in such Bylaws. 1.5 Directors and Officers. The initial directors of the Surviving ---------------------- Corporation shall be the directors of Merger Sub immediately prior to the Effective Time, until their respective successors are duly elected or appointed and qualified. The initial officers of the Surviving Corporation shall be the officers of Merger Sub immediately prior to the Effective Time, until their respective successors are duly appointed. 1.6 Effect on Capital Stock. Subject to the terms and conditions of this ----------------------- Agreement, at the Effective Time, by virtue of the Merger and without any action on the part of Merger Sub, Company or the holders of any of the following securities: (a) Conversion of Company Common Stock. Each share of common stock, par ---------------------------------- value $0.01 per share, of Company, including each attached right ("Company Right") issued pursuant to the Rights Agreement dated November 20, 1998 ("Company Rights Agreement"), between Company and UMB Bank, N.A., as rights agent ("Company Common Stock") issued and outstanding immediately prior to the Effective Time, other than any shares of Company Common Stock to be canceled pursuant to Section 1.6(b), will be canceled and extinguished and automatically converted (subject to Section 1.6(e)) into the right to receive 0.93 (the "Exchange Ratio") of a share of common stock, par value $0.001 per share, of Parent ("Parent Common Stock") upon surrender of the certificate representing such share of Company Common Stock in the manner provided in Section 1.7. No fraction of a share of Parent Common Stock will be 2 issued by virtue of the Merger, but in lieu thereof, a cash payment shall be made pursuant to Section 1.7(e). Company Common Stock that is Company Restricted Stock (as defined in Section 1.9) shall be subject to the provisions of Section 1.9. (b) Cancellation of Company-Owned and Parent-Owned Stock. Each share of ---------------------------------------------------- Company Common Stock held by Company or owned by Merger Sub, Parent or any direct or indirect wholly owned subsidiary of Company or of Parent immediately prior to the Effective Time shall be canceled and extinguished without any conversion thereof. (c) Stock Options; Employee Stock Purchase Plan. At the Effective Time, ------------------------------------------- all options to purchase Company Common Stock then outstanding under (i) Company's 1997 Equity Incentive Plan (the "Company Stock Option Plan") and (ii) the option granted to Roger Moore shall be converted in accordance with Section 5.8 of this Agreement. Rights outstanding under Company's 1999 Employee Stock Purchase Plan (the "Company ESPP") shall be treated as set forth in Section 5.8 of this Agreement. (d) Capital Stock of Merger Sub. Each share of common stock, par value --------------------------- $0.00001 per share, of Merger Sub (the "Merger Sub Common Stock"), issued and outstanding immediately prior to the Effective Time shall be converted into one validly issued, fully paid and nonassessable share of common stock, $0.00001 par value per share, of the Surviving Corporation. Following the Effective Time, each certificate evidencing ownership of shares of Merger Sub common stock shall evidence ownership of such shares of capital stock of the Surviving Corporation. (e) Adjustments to Exchange Ratio. The Exchange Ratio shall be adjusted ----------------------------- to reflect appropriately the effect of any stock split, reverse stock split, stock dividend (including any dividend or distribution of securities convertible into Parent Common Stock or Company Common Stock), reorganization, recapitalization, reclassification or other like change with respect to Parent Common Stock or Company Common Stock occurring on or after the date hereof and prior to the Effective Time. 1.7 Exchange of Certificates. ------------------------ (a) Exchange Agent. Parent shall select an institution reasonably -------------- acceptable to Company to act as the exchange agent (the "Exchange Agent") in the Merger. (b) Exchange Fund. Promptly after the Effective Time, Parent shall make ------------- available to the Exchange Agent for exchange in accordance with this Article I, the shares of Parent Common Stock (such shares of Parent Common Stock, together with cash in lieu of fractional shares and any dividends or distributions with respect thereto, are hereinafter referred to as the "Exchange Fund") issuable pursuant to Section 1.6 in exchange for outstanding shares of Company Common Stock. (c) Exchange Procedures. Promptly after the Effective Time, Parent ------------------- shall instruct the Exchange Agent to mail to each holder of record of a certificate or certificates ("Certificates") which immediately prior to the Effective Time represented outstanding shares of Company Common Stock whose shares were converted into the right to receive shares of Parent Common Stock pursuant to Section 1.6, (i) a letter of transmittal in customary form (that shall 3 specify that delivery shall be effected, and risk of loss and title to the Certificates shall pass, only upon proper delivery of the Certificates to the Exchange Agent and shall contain such other provisions as Parent may reasonably specify) and (ii) instructions for use in effecting the surrender of the Certificates in exchange for certificates representing shares of Parent Common Stock. Upon surrender of Certificates for cancellation to the Exchange Agent together with such letter of transmittal, duly completed and validly executed in accordance with the instructions thereto, and such other documents as may reasonably be required by the Exchange Agent, the holders of such Certificates shall be entitled to receive in exchange therefor certificates representing the number of whole shares of Parent Common Stock (after aggregating all Certificates surrendered by such holder) into which such holder is entitled pursuant to Section 1.6(a)(which shall be in uncertificated book entry form unless a physical certificate is requested or required by applicable law or regulation), payment in lieu of fractional shares that such holders have the right to receive pursuant to Section 1.7(e) and any dividends or distributions payable pursuant to Section 1.7(d), and the Certificates so surrendered shall forthwith be canceled. Until so surrendered, outstanding Certificates will be deemed from and after the Effective Time, for all corporate purposes, to evidence only the ownership of the number of full shares of Parent Common Stock into which such shares of Company Common Stock shall have been so converted and the right to receive an amount in cash in lieu of the issuance of any fractional shares in accordance with Section 1.7(e) and any dividends or distributions payable pursuant to Section 1.7(d). No interest will be paid or accrued on any cash in lieu of fractional shares of Parent Common Stock or on any unpaid dividends or distributions payable to holders of Certificates. In the event of a transfer of ownership of shares of Company Common Stock that is not registered in the transfer records of Company, a certificate representing the proper number of shares of Parent Common Stock may be issued to a transferee if the Certificate representing such shares of Company Common Stock is presented to the Exchange Agent, accompanied by all documents required to evidence and effect such transfer and by evidence that any applicable stock transfer taxes have been paid. (d) Distributions With Respect to Unexchanged Shares. No dividends or ------------------------------------------------ other distributions declared or made after the date of this Agreement with respect to Parent Common Stock with a record date after the Effective Time will be paid to the holders of any unsurrendered Certificates with respect to the shares of Parent Common Stock represented thereby until the holders of record of such Certificates shall surrender such Certificates. Subject to applicable law, following surrender of any such Certificates, the Exchange Agent shall deliver to the record holders thereof, without interest, (i) promptly after such surrender, the amount of any cash payable with respect to a fractional share of Parent Common Stock to which such holder is entitled pursuant to Section 1.7(e) and the amount of dividends or other distributions with a record date after the Effective Time theretofore paid with respect to such whole shares of Parent Common Stock, and (ii) at the appropriate payment date, the amount of dividends or other distributions with a record date after the Effective Time but prior to surrender and a payment date occurring after surrender, payable with respect to such whole shares of Parent Common Stock. (e) Fractional Shares. (i) As promptly as practicable following the ---------------- Effective Time, the Exchange Agent shall determine the excess of (A) the number of full shares of Parent Common Stock delivered to the Exchange Agent pursuant to Section 1.7(b), over (B) the aggregate number of full shares of Parent Common Stock to be distributed to holders of 4 Company Common Stock pursuant to Section 1.7(c) (such excess, the "Excess Shares"). Following the Effective Time, the Exchange Agent, as agent for the holders of Company Common Stock, shall sell the Excess Shares at then prevailing prices on the Nasdaq Stock Market in the manner set forth in paragraph (ii) of this Section 1.7(e). (ii) The sale of the excess shares by the Exchange Agent shall be executed on the Nasdaq Stock Market and shall be executed in round lots to the extent practicable. The Exchange Agent shall use all commercially reasonable efforts to complete the sale of the Excess Shares as promptly following the Effective Time as, in the Exchange Agent's reasonable judgment, is practicable consistent with obtaining the best execution of such sales in light of prevailing market conditions. Until the net proceeds of such sales have been distributed to the holders of Company Common Stock, the Exchange Agent will hold such proceeds in trust for the holders of Company Common Stock. The Exchange Agent will determine the portion of such net proceeds to which each holder of Company Common Stock shall be entitled, if any, by multiplying the amount of the aggregate net proceeds by a fraction the numerator of which is the amount of the fractional share interest to which such holder of Company Common Stock is entitled (after aggregating all shares of Parent Common Stock to be issued to such holder) and the denominator of which is the aggregate amount of fractional share interests to which all holders of Company Common Stock are entitled. As soon as practicable after the determination of the amount of cash, if any, to be paid to holders of Company Common Stock with respect to fractional share interests, the Exchange Agent shall promptly pay such amounts to such holders of Company Common Stock in accordance with the terms of Section 1.7(c). (iii) Notwithstanding the provisions of paragraphs (i) and (ii) of this Section 1.7(e), Parent may decide, at its option, exercised prior to the Effective Time, in lieu of the issuance and sale of Excess Shares and the making of the payments contemplated in such paragraphs, that Parent shall pay to the Exchange Agent an amount sufficient for the Exchange Agent to pay each holder of Company Common Stock the amount such holder would have received pursuant to Section 1.7(e)(ii) assuming that the sales of Parent Common Stock were made at a price equal to the average of the closing prices of the Parent Common Stock on the Nasdaq Stock Market, regular session, for the ten consecutive trading days immediately following the Effective Time and, in such case, all references herein to the cash proceeds of the sale of the Excess Shares and similar references shall be deemed to mean and refer to the payments calculated as set forth in this paragraph (iii). In such event, Excess Shares shall not be issued or otherwise transferred to the Exchange Agent pursuant to Sections 1.7(b) or (e). (f) Required Withholding. Each of the Exchange Agent, Parent and the -------------------- Surviving Corporation shall be entitled to deduct and withhold from any consideration payable or otherwise deliverable pursuant to this Agreement to any holder or former holder of Company Common Stock such amounts as may be required to be deducted or withheld therefrom under the Code or under any provision of state, local or foreign tax law or under any other applicable Legal Requirement (as defined in Section 2.2(b)). To the extent such amounts are so deducted or withheld, such amounts shall be treated for all purposes under this Agreement as having been paid to the person to whom such amounts would otherwise have been paid. (g) Lost, Stolen or Destroyed Certificates. In the event that any -------------------------------------- Certificates shall have been lost, stolen or destroyed, the Exchange Agent shall issue in exchange for such 5 lost, stolen or destroyed Certificates, upon the making of an affidavit of that fact by the holder thereof, certificates representing the shares of Parent Common Stock into which the shares of Company Common Stock represented by such Certificates were converted pursuant to Section 1.6, cash for fractional shares, if any, as may be required pursuant to Section 1.7(e) and any dividends or distributions payable pursuant to Section 1.7(d); provided, however, that Parent may, in its discretion and as a condition precedent to the issuance of such certificates representing shares of Parent Common Stock, cash and other distributions, require the owner of such lost, stolen or destroyed Certificates to deliver a bond in such sum as it may reasonably direct as indemnity against any claim that may be made against Parent, the Surviving Corporation or the Exchange Agent with respect to the Certificates alleged to have been lost, stolen or destroyed. (h) No Liability. Notwithstanding anything to the contrary in this ------------ Section 1.7, neither the Exchange Agent, Parent, the Surviving Corporation nor any party hereto shall be liable to a holder of shares of Parent Common Stock or Company Common Stock for any amount properly paid to a public official pursuant to any applicable abandoned property, escheat or similar law. (i) Termination of Exchange Fund. Any portion of the Exchange Fund ---------------------------- which remains undistributed to the holders of Company Common Stock for six months after the Effective Time shall be delivered to Parent, upon demand, and any holders of Company Common Stock who have not theretofore complied with the provisions of this Section 1.7 shall thereafter look only to Parent for the shares of Parent Common Stock, any cash in lieu of fractional shares of Parent Common Stock to which they are entitled pursuant to Section 1.7(e) and any dividends or other distributions with respect to Parent Common Stock to which they are entitled pursuant to Section 1.7(d), in each case, without any interest thereon. 1.8 No Further Ownership Rights in Company Common Stock. All shares of --------------------------------------------------- Parent Common Stock issued in accordance with the terms hereof (including any cash paid in respect thereof pursuant to Section 1.7(d) and (e)) shall be deemed to have been issued in full satisfaction of all rights pertaining to such shares of Company Common Stock, and there shall be no further registration of transfers on the records of the Surviving Corporation of shares of Company Common Stock that were outstanding immediately prior to the Effective Time. If after the Effective Time Certificates are presented to the Surviving Corporation for any reason, they shall be canceled and exchanged as provided in this Article I. 1.9 Restricted Stock. If any shares of Company Common Stock that are ---------------- outstanding immediately prior to the Effective Time are unvested or are subject to a repurchase option, risk of forfeiture or other condition providing that such shares ("Company Restricted Stock") may be forfeited or repurchased by Company upon any termination of the stockholders' employment, directorship or other relationship with Company (and/or any affiliate of Company) under the terms of any restricted stock purchase agreement or other agreement with Company that does not by its terms provide that such repurchase option, risk of forfeiture or other condition lapses upon consummation of the Merger, then the shares of Parent Common Stock issued upon the conversion of such shares of Company Common Stock in the Merger will continue to be unvested and subject to the same repurchase options, risks of forfeiture or other conditions following the Effective Time, and the certificates representing such shares of Parent Common 6 Stock may accordingly be marked with appropriate legends noting such repurchase options, risks of forfeiture or other conditions. Company shall take all actions that may be necessary to ensure that, from and after the Effective Time, Parent is entitled to exercise any such repurchase option or other right set forth in any such restricted stock purchase agreement or other agreement. A listing of the holders of Company Restricted Stock, together with the number of shares and the vesting schedule of Company Restricted Stock held by each, is set forth in Part 1.9 of the Company Disclosure Letter. 1.10 Tax Consequences. It is intended by the parties hereto that the Merger ---------------- shall constitute a "reorganization" within the meaning of Section 368 of the Code. The parties hereto adopt this Agreement as a "plan of reorganization" within the meaning of Sections 1.368-2(g) and 1.368-3(a) of the United States Income Tax Regulations. 1.11 Alternative Transaction Structure. The parties agree that Parent may --------------------------------- change the method of effecting the business combination with Company, including by merging Company with an affiliate of Parent, and Company shall cooperate in such efforts, including by entering into an appropriate amendment to this Agreement (to the extent such amendment does not substantively affect this Agreement or adversely affect the rights and obligations of Company or its stockholders); provided however that such affiliate shall become a party to, and agree to be bound by, the terms of this Agreement and that any action taken pursuant to this Section 1.11 shall not (i) alter or change the kind or amount of consideration to be issued to the holders of Company Common Stock as provided for in this Agreement, (ii) adversely affect the tax consequences of the transaction to the holders of Company Common Stock, (iii) significantly delay the receipt of any required regulatory approval or (iv) otherwise cause the closing conditions in Article VI to not be capable of being fulfilled (unless duly waived by the party entitled to the benefits thereof). 1.12 Taking of Necessary Action; Further Action. If, at any time after the ------------------------------------------ Effective Time, any further action is necessary or desirable to carry out the purposes of this Agreement and to vest the Surviving Corporation with full right, title and possession to all assets, property, rights, privileges, powers and franchises of Company and Merger Sub, the officers and directors of Company and Merger Sub will take all such lawful and necessary action. Parent shall cause Merger Sub to perform all of its obligations relating to this Agreement and the transactions contemplated hereby. ARTICLE II REPRESENTATIONS AND WARRANTIES OF COMPANY As of the date of this Agreement and as of the Closing Date, except as disclosed in (i) factual statements set forth in Company's (A) Annual Report on Form 10-K for the year ending December 31, 2000 or (B) Quarterly Report on Form 10-Q or Current Report on Form 8-K filed subsequent to the filing of such Form 10-K but prior to the date of this Agreement (for the avoidance of doubt, disclosure included in any section titled "risks and uncertainties", "forward looking statements" or a similar type caption in any such filings shall not qualify or modify any representation or warranty in this Agreement), or (ii) the disclosure letter delivered by Company to Parent dated as of the date hereof (the "Company Disclosure Letter") (each Part of which qualifies the correspondingly numbered representation, warranty or covenant to the extent 7 specified therein and such other representations, warranties or covenants to the extent a matter in such Part is disclosed in such a way as to make its relevance to such other representation, warranty or covenant readily apparent), Company represents and warrants to Parent and Merger Sub as follows: 2.1 Organization; Subsidiaries. -------------------------- (a) Company and each of its subsidiaries is a corporation duly organized, validly existing and in good standing under the laws of the jurisdiction of its incorporation and has all requisite corporate power and authority, and all requisite qualifications to do business as a foreign corporation, to conduct its business in the manner in which its business is currently being conducted, except where the failure to be so organized, existing or in good standing or to have such power, authority or qualifications would not, individually or in the aggregate, have a Material Adverse Effect (as defined in Section 8.3) on Company. (b) Neither Company nor any of its subsidiaries owns any capital stock of, or any equity interest of any nature in, any corporation, partnership, joint venture arrangement or other business entity, other than the entities identified in Part 2.1(b) of the Company Disclosure Letter, except for passive investments in equity interests of public companies as part of the cash management program of Company. Neither Company nor any of its subsidiaries has agreed or is obligated to make, or is bound by any Contract (as defined in Section 8.3), in effect as of the date hereof or as may hereinafter be in effect under which it may become obligated to make any future investment in or capital contribution to any other entity. Neither Company, nor any of its subsidiaries, has, at any time, been a general partner of any general partnership, limited partnership or other entity. Part 2.1(b) of the Company Disclosure Letter indicates the jurisdiction of organization of each entity listed therein and Company's direct or indirect equity interest therein. (c) Company has delivered or made available to Parent a true and correct copy of the Certificate of Incorporation and Bylaws of Company and similar governing instruments of each of its subsidiaries, each as amended to date (collectively, the "Company Charter Documents"), and each such instrument is in full force and effect. Neither Company nor any of its subsidiaries is in violation of any of the provisions of the Company Charter Documents. Company has delivered or made available to Parent all proposed or considered amendments to the Company Charter Documents. 2.2 Company Capitalization. ---------------------- (a) The authorized capital stock of Company consists solely of 150,000,000 shares of Company Common Stock, of which there were 32,661,554 shares issued and outstanding as of the close of business on September 20, 2001, 100,000 shares of preferred stock, par value $0.01 per share, of which 4,416 shares have been designated Series A Convertible Preferred, none of which are issued or outstanding, and 7,000 shares have been designated Series B Participating Cumulative Preference Stock, none of which are issued or outstanding, and 7,000,000 shares of Class A common stock, par value $0.01 per share, none of which are issued or outstanding. All outstanding shares of Company Common Stock are duly authorized, validly issued, fully paid and nonassessable and are not subject to preemptive rights created by statute, 8 the Certificate of Incorporation or Bylaws of Company or any Contract to which Company is a party or by which it is bound. As of the date of this Agreement, there are 5,000 shares of Company Common Stock held in treasury by Company. There are no shares of Company Restricted Stock issued or outstanding. (b) As of the close of business on September 20, 2001, (i) 2,872,494 shares of Company Common Stock are subject to issuance pursuant to outstanding options to purchase Company Common Stock under the Company Stock Option Plan for an aggregate exercise price of $45,271,670, (ii) 900,000 shares of Company Common Stock are subject to issuance pursuant to the non-qualified option granted to Roger Moore (together with the options set forth in clause (i) above, the "Company Options") for an aggregate exercise price of $2,124,000, and (iii) 300,000 shares of Company Common Stock are reserved for future issuance under the Company ESPP. Part 2.2(b) of the Company Disclosure Letter sets forth the following information with respect to each Company Option outstanding as of the date of this Agreement: (i) the name of the optionee; (ii) the number of shares of Company Common Stock subject to such Company Option; (iii) the exercise price of such Company Option; (iv) the date on which such Company Option was granted or assumed; (v) the vesting schedule of such Company Option, and the extent to which such Company Option is vested as of the date of this Agreement; (vi) the date on which such Company Option expires; and (vii) whether the exercisability of such option will be accelerated in any way by the transactions contemplated by this Agreement, and indicates the extent of any such acceleration. Company has made available to Parent an accurate and complete copy of the Company Stock Option Plan and the form of all stock option agreements evidencing Company Options. There are no options outstanding to purchase shares of Company Common Stock other than pursuant to the Company Stock Option Plan and the Stock Option Agreement. All shares of Company Common Stock subject to issuance as aforesaid, upon issuance on the terms and conditions specified in the instruments pursuant to which they are issuable, will be duly authorized, validly issued, fully paid and nonassessable. Except in connection with the Company Options, there are no Contracts of any character to which Company is bound obligating Company to accelerate the vesting of any Company Option as a result of the Merger. Except as set forth in Part 2.2(b) of the Company Disclosure Letter, all of which terminate on or prior to the Closing, there are no outstanding or authorized stock appreciation, profit participation, "phantom stock," or other similar plans or Contracts with respect to Company or any of its subsidiaries. (c) All outstanding shares of Company Common Stock, all outstanding Company Options, and all outstanding shares of capital stock of each subsidiary of Company have been issued and granted in compliance with (i) all applicable securities laws and other applicable Legal Requirements and (ii) all requirements set forth in applicable agreements or instruments. For the purposes of this Agreement, "Legal Requirements" means any federal, state, local, municipal, foreign or other law, statute, constitution, principle of common law, resolution, ordinance, code, edict, decree, judgment, injunction, order, rule, regulation, ruling or requirement issued, enacted, adopted, promulgated, implemented or otherwise put into effect by or under the authority of any Governmental Entity (as defined in Section 2.4). 2.3 Obligations With Respect to Capital Stock. There are no equity ----------------------------------------- securities, partnership interests or similar ownership interests of any class of Company equity security, or any securities exchangeable or convertible into or exercisable for such equity securities, 9 partnership interests or similar ownership interests, issued, reserved for issuance or outstanding. Except for securities Company owns free and clear of all claims and Encumbrances (as defined in Section 8.3), directly or indirectly through one or more subsidiaries, and except for shares of capital stock or other similar ownership interests of certain subsidiaries of Company that are owned by certain nominee equity holders as required by the applicable law of the jurisdiction of organization of such subsidiaries, as of the date of this Agreement, there are no equity securities, partnership interests or similar ownership interests of any class of equity security of any subsidiary of Company, or any security exchangeable or convertible into or exercisable for such equity securities, partnership interests or similar ownership interests, issued, reserved for issuance or outstanding. There are no subscriptions, options, warrants, equity securities, partnership interests or similar ownership interests, calls, rights (including preemptive rights) or other Contracts of any character to which Company or any of its subsidiaries is a party or by which it is bound obligating Company or any of its subsidiaries to issue, deliver or sell, or cause to be issued, delivered or sold, or repurchase, redeem or otherwise acquire, or cause the repurchase, redemption or acquisition of, any shares of capital stock, partnership interests or similar ownership interests of Company or any of its subsidiaries or obligating Company or any of its subsidiaries to grant, extend, accelerate the vesting of, extend the exercise period of, or enter into any such subscription, option, warrant, equity security, call, right or other Contract. Neither Company nor any of its subsidiaries have any authorized, issued, or outstanding bonds, debentures, notes or other indebtedness having the right to vote on any matters on which the stockholders have the right to vote. Except for the Company Rights Agreement and the Voting Agreement, there are no registration rights, and there is no voting trust, proxy, rights agreement, "poison pill" anti-takeover plan or other agreement or understanding to which Company is a party or by which it is bound with respect to any equity security of any class of Company or with respect to any equity security, partnership interest or similar ownership interest of any class of any of its subsidiaries. Stockholders of Company will not be entitled to dissenters' or appraisal rights under applicable state law in connection with the Merger. 2.4 Authority; Non-Contravention. ---------------------------- (a) Company has all requisite corporate power and authority to enter into this Agreement and the Stock Option Agreement and to consummate the transactions contemplated hereby and thereby. The execution and delivery of this Agreement and the Stock Option Agreement and the consummation of the transactions contemplated hereby and thereby have been duly authorized by all necessary corporate action on the part of Company, subject only to the approval and adoption of this Agreement and the approval of the Merger by Company's stockholders (the "Company Stockholder Approvals") and the filing of the Certificate of Merger pursuant to Delaware Law. The affirmative vote of the holders of two-thirds of the outstanding shares of Company Common Stock is sufficient for Company's stockholders to approve and adopt this Agreement and approve the Merger, and no other approval of any holder of any securities of Company is required in connection with the consummation of the transactions contemplated hereby. Each of this Agreement and the Stock Option Agreement has been duly executed and delivered by Company and, assuming the due execution and delivery by Parent and Merger Sub, constitutes the valid and binding obligation of Company, enforceable against Company in accordance with its terms, except as enforceability may be limited by bankruptcy and other similar laws affecting the rights of creditors generally and general principles of equity. 10 (b) The execution and delivery of this Agreement and the Stock Option Agreement by Company does not, and the performance of this Agreement and the Stock Option Agreement by Company will not, (i) conflict with or violate the Company Charter Documents, (ii) subject to obtaining the Company Stockholder Approvals and compliance with the requirements set forth in Section 2.4(c), conflict with or violate any Legal Requirement applicable to Company or any of its subsidiaries or by which Company or any of its subsidiaries or any of their respective properties is bound or affected, or (iii) result in any breach of or constitute a default (or an event that with notice or lapse of time or both would become a default) under, or impair Company's or any of its subsidiaries' rights or alter the rights or obligations of any third party under, or give to others any rights of termination, amendment, acceleration or cancellation of, or result in the creation of an Encumbrance on any of the properties or assets of Company or any of its subsidiaries pursuant to, any Contract to which Company or any of its subsidiaries is a party or by which Company or any of its subsidiaries or its or any of their respective assets are bound or affected. Part 2.4(b) of the Company Disclosure Letter list all consents, waivers and approvals under any of Company's or any of its subsidiaries' Contracts required to be obtained in connection with the consummation of the transactions contemplated hereby, which, if individually or in the aggregate not obtained, would result in a material loss of benefits to or a Material Adverse Effect on, Company, Parent or the Surviving Corporation as a result of the Merger. (c) No consent, approval, order or authorization of, or registration, declaration or filing with any court, administrative agency or commission or other governmental authority or instrumentality, foreign or domestic ("Governmental Entity") or other person, is required to be obtained or made by Company or any of its subsidiaries in connection with the execution and delivery of this Agreement or the Stock Option Agreement or the consummation of the Merger, except for (i) the filing of the Certificate of Merger with the Secretary of State of the State of Delaware and appropriate documents with the relevant authorities of other states in which Company is qualified to do business, (ii) the filing of the Proxy Statement/Prospectus (as defined in Section 2.18) with the Securities and Exchange Commission ("SEC") in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act") and the effectiveness of the Registration Statement (as defined in Section 2.18), (iii) such consents, approvals, orders, authorizations, registrations, declarations and filings as may be required under applicable federal, foreign and state securities (or related) laws and the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), and the securities or antitrust laws of any foreign country, (iv) the filing of applications with the Federal Communications Commission for the authorization to transfer control of (x) the Section 214 authorization held by subsidiary National Telemanagement Corporation d/b/a American Roaming Network ("NTC") and (y) radio station WPMS279 held by Company, and (v) such other consents, authorizations, filings, approvals and registrations which if not obtained or made would not be material to, or have a Material Adverse Effect on, Company, Parent or the Surviving Corporation. (d) Except with respect to Company's ownership of NTC and its ownership of radio station WPMS279, neither Company nor any of its subsidiaries engages in any business or offers any product or service that is subject to regulation by the Federal Communications Commission, any state public service or utility commission, or foreign regulatory authority (collectively, "Communications Regulatory Agencies"), and no filing or other notification (including any tariff or other rate schedule) is required to be delivered to or filed with any 11 Communications Regulatory Agency with respect to (i) the business conducted or intended to be conducted by, or any product or service offered or intended to be offered by, Company or any of its subsidiaries or (ii) the execution, delivery or performance of this Agreement, the Stock Option Agreement or the Voting Agreement or the consummation of the Merger and the other transactions contemplated hereby and thereby. Except as set forth in Part 2.4 of the Company Disclosure Letter, (i) neither Company nor its subsidiaries are, directly or indirectly, under the control of any regional or local exchange carrier, inter-exchange carrier or other communications entity regulated by any Communications Regulatory Agency (a "Telecommunications Entity") and no such Telecommunications Entity has the ability to, directly or indirectly, exercise any control, influence or direction with respect to the management or business operations of Company or any of its subsidiaries; (ii) to the personal knowledge of the Chief Financial Officer or Controller of Company, no shares of any class of stock or other voting interests of Company or any of its subsidiaries is owned, directly or indirectly, by any Telecommunications Entity and no Telecommunications Entity has any financial interest in the assets or operations of Company or its subsidiaries (other than as a customer or supplier in the ordinary course of business); (iii) none of the officers or directors of Company or any of its subsidiaries is a director or officer of any Telecommunications Entity, and no officer or director of any Telecommunications Entity is a director or officer of Company or any of its subsidiaries; (iv) neither Company nor any of its subsidiaries has been described as, or has represented itself to be, a Telecommunications Entity in (1) any Contract or other arrangement entered into by Company or any of its subsidiaries in connection with its business or the procurement of equipment or other property for use in the construction or operation of its network facilities, or (2) any filing with any Communications Regulatory Agency; and (v) neither Company nor any of its subsidiaries directly or indirectly own shares of any class of stock or other voting interests of any Telecommunications Entity, and neither Company nor any of its subsidiaries has any financial interest in the assets or operations of any Telecommunications Entity or its subsidiaries (other than as a customer or supplier in the ordinary course of business). 2.5 SEC Filings; Company Financial Statements. ----------------------------------------- (a) Company has filed all forms, reports and documents required to be filed by Company with the SEC since the effective date of the registration statement of Company's initial public offering and has made available to Parent such forms, reports and documents in the form filed with the SEC. All such required forms, reports and documents (including those that Company may file subsequent to the date hereof) are referred to herein as the "Company SEC Reports." As of their respective dates, the Company SEC Reports (i) were prepared in accordance with the requirements of the Securities Act of 1933, as amended (the "Securities Act"), or the Exchange Act, as the case may be, and the rules and regulations of the SEC thereunder applicable to such Company SEC Reports and (ii) did not at the time they were filed (or if amended or superseded by a filing prior to the date of this Agreement, then on the date of such filing) contain any untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, except to the extent corrected prior to the date of this Agreement by a subsequently filed Company SEC Report. None of Company's subsidiaries is required to file any forms, reports or other documents with the SEC. 12 (b) Each of the consolidated financial statements (including, in each case, any rela0ted notes thereto) contained in the Company SEC Reports (the "Company Financials"), including each Company SEC Report filed after the date hereof until the Closing, (i) complied as to form in all material respects with the published rules and regulations of the SEC with respect thereto, (ii) was prepared in accordance with United States generally accepted accounting principles ("GAAP") applied on a consistent basis throughout the periods involved (except as may be indicated in the notes thereto or, in the case of unaudited interim financial statements, as may be permitted by the SEC on Form 10-Q, 8-K or any successor form under the Exchange Act) and (iii) fairly presented the consolidated financial position of Company and its subsidiaries as at the respective dates thereof and the consolidated results of Company's and its subsidiaries' operations and cash flows for the periods indicated, except that the unaudited interim financial statements may not contain footnotes and were or are subject to normal and recurring year-end adjustments. The balance sheet of Company contained in Company SEC Reports as of June 30, 2001 is hereinafter referred to as the "Company Balance Sheet." Except as disclosed in the Company Financials, since the date of the Company Balance Sheet, neither Company nor any of its subsidiaries has any liabilities required under GAAP to be set forth on a balance sheet (absolute, accrued, contingent or otherwise) which are, individually or in the aggregate, material to the business, results of operations or financial condition of Company and its subsidiaries taken as a whole, except for liabilities incurred since the date of the Company Balance Sheet in the ordinary course of business consistent with past practices and liabilities incurred in connection with this Agreement. (c) Company has heretofore furnished to Parent a complete and correct copy of any amendments or modifications, which have not yet been filed with the SEC but which are required to be filed, to agreements, documents or other instruments which previously had been filed by Company with the SEC pursuant to the Securities Act or the Exchange Act. 2.6 Absence of Certain Changes or Events. Since the date of the Company ------------------------------------ Balance Sheet there has not been: (i) any Material Adverse Effect with respect to Company, (ii) any declaration, setting aside or payment of any dividend on, or other distribution (whether in cash, stock or property) in respect of, any of Company's or any of its subsidiaries' capital stock, or any purchase, redemption or other acquisition by Company or any of its subsidiaries of any of Company's or its subsidiaries' capital stock or any other securities of Company or its subsidiaries or any options, warrants, calls or rights to acquire any such shares or other securities except for repurchases from employees following their termination pursuant to the terms of their pre-existing stock option or purchase agreements, (iii) any split, combination or reclassification of any of Company's or any of its subsidiaries' capital stock, (iv) any granting by Company or any of its subsidiaries of any increase in compensation or fringe benefits or payment of any bonus to any of their directors or employees, in any case, in excess of 10% of any such amount prior to such increase, (v) any making of any loan or providing any advance to their directors or employees, or any granting by Company or any of its subsidiaries of any increase in severance or termination pay or any entry by Company or any of its subsidiaries into, or material modification or amendment of, any currently effective employment, severance, termination or indemnification Contract or any Contract the benefits of which are contingent, or the terms of which are materially altered, upon the occurrence of a transaction involving Company of the nature contemplated hereby, (vi) any material change or alteration in the policy of Company or its subsidiaries relating to the granting of stock options or other equity compensation to their 13 directors, employees and consultants, (vii) entry by Company or any of its subsidiaries into, or material modification, amendment or cancellation of, any licensing or other agreement with regard to the use, acquisition or licensing of any material Intellectual Property (as defined in Section 2.9) other than licenses, assignment agreements, or other similar Contracts entered into in the ordinary course of business consistent with past practice, (viii) entry by Company or any of its subsidiaries into, or material modification, amendment or cancellation of, any material Contract (including any Contract related to any material network component, any material billing and collection or clearing house services, or any Contract related to any material third party database or data collection), (ix) any material change by Company in its accounting methods, principles or practices, except as required by concurrent changes in GAAP, (x) any material revaluation by Company or any of its subsidiaries of any of their material assets, including writing off notes or accounts receivable other than in the ordinary course of business, or (xi) any material disruption to network operations or any material network outage, or any material failure to comply with the network standards and objectives established by Company or its subsidiaries, in any such case under clause (xi) above, that have resulted or could result in (1) a material breach of any Contract with a customer or other third party, (2) the payment of any penalties, (3) the issuance of any credits by Company or its subsidiaries outside of the ordinary course of business, or (4) the issuance of any credits by Company or its subsidiaries in the ordinary course of business which, in the aggregate, exceed $250,000 calculated on an annual basis. 2.7 Taxes. ----- (a) Company and each of its subsidiaries have timely filed all material federal, state, local and foreign returns, estimates, information statements and reports ("Returns") relating to Taxes required to be filed by or on behalf of Company and each of its subsidiaries with any Tax authority, such Returns are true, correct and complete in all material respects, and Company and each of its subsidiaries have paid all Taxes shown to be due on such Returns. (b) Company and each of its subsidiaries have withheld all federal and state income taxes, Taxes pursuant to the Federal Insurance Contribution Act ("FICA") and other Taxes required to be withheld, except such Taxes which are not material to Company, and Company and its subsidiaries have paid such Taxes to the appropriate Tax authorities by the applicable due date. (c) Neither Company nor any of its subsidiaries has been delinquent in the payment of any material Tax nor is there any material Tax deficiency outstanding, proposed or assessed against Company or any of its subsidiaries, nor has Company or any of its subsidiaries executed any unexpired waiver of any statute of limitations on or extending the period for the assessment or collection of any Tax. (d) No audit or other examination of any Return of Company or any of its subsidiaries by any Tax authority is presently in progress, nor has Company or any of its subsidiaries been notified of any request for such an audit or other examination. (e) No material adjustment relating to any Returns filed by Company or any of its subsidiaries has been proposed formally or informally by any Tax authority to Company or any of its subsidiaries or any representative thereof. 14 (f) Neither Company nor any of its subsidiaries has any liability for unpaid Taxes which has not been accrued for or reserved on the Company Balance Sheet in accordance with GAAP, whether asserted or unasserted, contingent or otherwise, which is material to Company, other than any liability for unpaid Taxes that may have accrued since the date of the Company Balance Sheet in connection with the operation of the business of Company and its subsidiaries in the ordinary course. (g) There is no agreement, plan or arrangement to which Company or any of its subsidiaries is a party, including this Agreement and the agreements entered into in connection with this Agreement, covering any employee or former employee of Company or any of its subsidiaries that, individually or collectively, would be reasonably likely to give rise to the payment of any amount that would not be deductible pursuant to Sections 280G, 404 or 162(m) of the Code. There is no Contract to which Company or any of its subsidiaries is a party or by which it is bound to compensate any individual for excise taxes paid pursuant to Section 4999 of the Code. (h) Neither Company nor any of its subsidiaries has filed any consent agreement under Section 341(f) of the Code or agreed to have Section 341(f)(2) of the Code apply to any disposition of a subsection (f) asset (as defined in Section 341(f)(4) of the Code) owned by Company or its subsidiaries. (i) Neither Company nor any of its subsidiaries is party to or has any obligation under any tax-sharing, tax indemnity or tax allocation agreement or arrangement, other than among Company and its wholly owned subsidiaries. (j) Except as may be required as a result of the Merger, Company and its subsidiaries have not been and will not be required to include any adjustment in Taxable income for any Tax period (or portion thereof) ending after December 31, 1994 pursuant to Section 481 of the Code or any comparable provision under state or foreign Tax laws as a result of transactions, events or accounting methods employed prior to the Closing. (k) None of Company's or its subsidiaries' assets are tax exempt use property within the meaning of Section 168(h) of the Code. (l) Company has not been distributed in a transaction qualifying under Section 355 of the Code within the last two years, nor has Company distributed any corporation in a transaction qualifying under Section 355 of the Code within the last two years. (m) Company is not aware of any fact, circumstance, plan or intention on the part of Company that would be reasonably likely to prevent the Merger from qualifying as a "reorganization" pursuant to the provisions of Section 368 of the Code. (n) Neither Company nor any of its subsidiaries has incurred, has any liability, or has assumed any liability on behalf of a customer, for or in respect of any fees, Taxes, assessments or forfeitures due to or imposed by any Communications Regulatory Agency in connection with the provision of any product or service by Company or any of its subsidiaries. 15 For the purposes of this Agreement, "Tax" or "Taxes" refers to (i) any and all federal, state, local and foreign taxes, assessments and other governmental charges, duties, impositions and liabilities relating to taxes, including taxes based upon or measured by gross receipts, income, profits, sales, use and occupation, and value added, ad valorem, transfer, franchise, withholding, payroll, recapture, employment, excise and property taxes, together with all interest, penalties and additions imposed with respect to such amounts, (ii) any liability for payment of any amounts of the type described in clause (i) as a result of being a member of an affiliated consolidated, combined or unitary group, and (iii) any liability for amounts of the type described in clauses (i) and (ii) as a result of any express or implied obligation to indemnify another person or as a result of any obligations under any agreements or arrangements with any other person with respect to such amounts and including any liability for taxes of a predecessor entity. 2.8 Title and Operation of Properties. --------------------------------- (a) Part 2.8 of the Company Disclosure Letter lists all real property owned by Company or any of its subsidiaries and all real property leases to which Company or any of its subsidiaries is a party and each amendment thereto that is in effect as of the date of this Agreement that have a book value in excess of $500,000 or provide for annual payments in excess of $500,000, respectively. All such current leases are in full force and effect, are valid and effective in accordance with their respective terms, and there is not, under any of such leases, any existing default or event of default (or event which with notice or lapse of time, or both, would constitute a default) that would give rise to a claim against Company or any of its subsidiaries that is material to Company. (b) Company or one of its subsidiaries (i) has good and marketable title to all the property and assets reflected in the latest balance sheet included in the Company Financials as being owned by Company or any of its subsidiaries or acquired after the date thereof which are material to Company (except properties sold or otherwise disposed of since the date thereof in the ordinary course of business), free and clear of any Encumbrances, except as reflected in the Company Financials and except for Encumbrances for Taxes not yet due and payable and such Encumbrances which are not material in character, amount or extent, and (ii) is lessee of all leasehold estates reflected in the latest financial statements included in such Company Financials or acquired after the date thereof which are material to Company (except for leases that are not material and have expired by their terms since the date thereof) and is in possession of the properties purported to be leased thereunder, and each such lease is valid without default thereunder by lessee or, to Company's knowledge, the lessor. 2.9 Intellectual Property. For the purposes of this Agreement, the --------------------- following terms have the following definitions: "Intellectual Property" shall mean any or all of the following and all rights in, arising out of, or associated therewith: (i) all United States, international and foreign patents and applications therefor and all reissues, divisions, renewals, extensions, provisionals, continuations and continuations-in-part thereof; (ii) all inventions (whether patentable or not), invention disclosures, improvements, trade secrets, proprietary information, know how, technology, technical data and customer lists, and all documentation relating to any of the foregoing; (iii) all 16 copyrights, copyrights registrations and applications therefor, and all other rights corresponding thereto throughout the world; (iv) all industrial designs and any registrations and applications therefor throughout the world; (v) all trade names, URLs, logos, common law trademarks and service marks, trademark and service mark registrations and applications therefor throughout the world; (vi) all databases and data collections and all rights therein throughout the world; (vii) all moral and economic rights of authors and inventors, however denominated, throughout the world, (viii) all privacy, publicity and any similar or equivalent rights throughout the world; and (ix) any similar or equivalent rights to any of the foregoing anywhere in the world. "Company Intellectual Property" shall mean any Intellectual Property that is owned by, or exclusively licensed to, Company or one of its subsidiaries. "Registered Intellectual Property" means all United States, international and foreign: (i) patents and patent applications (including provisional applications); (ii) registered trademarks, applications to register trademarks, intent-to-use applications, or other registrations or applications related to trademarks; (iii) registered copyrights and applications for copyright registration; and (iv) any other Intellectual Property that is the subject of an application, certificate, filing, registration or other document issued, filed with, or recorded by any Governmental Entity. "Company Registered Intellectual Property" means all of the Registered Intellectual Property owned by, or filed in the name of, Company or one of its subsidiaries. (a) No material Company Intellectual Property or product or service of Company or any of its subsidiaries is subject to any proceeding or outstanding decree, order, judgment, agreement, law, regulation or stipulation restricting in any manner the use, transfer, or licensing thereof by Company or any of its subsidiaries, or which may materially and adversely affect the validity, use or enforceability of such Company Intellectual Property. (b) Each material item of Company Registered Intellectual Property is valid and subsisting, all necessary registration, maintenance and renewal fees currently due in connection with such Registered Intellectual Property have been made and all necessary documents, recordations and certificates in connection with such Company Registered Intellectual Property have been filed with the relevant patent, copyright, trademark or other authorities in the United States or foreign jurisdictions, as the case may be, for the purposes of maintaining such Company Registered Intellectual Property, except, in each case, as would not materially adversely affect such item of Company Registered Intellectual Property. (c) Company or one of its subsidiaries (i) owns or has license (sufficient for the conduct of its business as currently conducted) to, each material item of Intellectual Property used in the business of Company and its subsidiaries, and (ii) owns and has good and exclusive title to or has an exclusive license to each material item of Company Intellectual Property, free and clear of any material Encumbrance. (d) Neither Company nor any of its subsidiaries has transferred ownership of, or granted any exclusive license with respect to, any Intellectual Property that is or was material Company Intellectual Property, to any third party. 17 (e) Part 2.9(e) of the Company Disclosure Letter lists all material contracts, licenses and agreements to which Company or its subsidiaries is a party (i) with respect to material Company Intellectual Property licensed or transferred to any third party; or (ii) pursuant to which a third party has licensed or transferred any material Intellectual Property to Company or any of its subsidiaries, including any Contracts relating to access by Company or its subsidiaries to material third party databases or data collections owned by third parties. (f) The operation of the business of Company and its subsidiaries as such business currently is conducted, including Company's or its subsidiaries' design, development, marketing and sale of the products or services of Company or its subsidiaries (including with respect to products currently under development) has not, does not and will not, to Company's knowledge, infringe or misappropriate the Intellectual Property of any third party or constitute unfair competition or trade practices under the laws of any jurisdiction. (g) Neither Company nor any of its subsidiaries has received notice from any third party that the operation of the business of Company or any of its subsidiaries or any act, product or service of Company or any of its subsidiaries, infringes or misappropriates the Intellectual Property of any third party or constitutes unfair competition or trade practices under the laws of any jurisdiction. (h) To the knowledge of Company, no person has or is infringing or misappropriating any Company Intellectual Property. (i) Company and its subsidiaries have taken reasonable steps to protect Company's and its subsidiaries' rights in Company's and such subsidiaries' confidential information and trade secrets. 2.10 Compliance with Laws. -------------------- (a) Neither Company nor any of its subsidiaries is in material conflict with, or in material default or in material violation of any material Legal Requirement applicable to Company or any of its subsidiaries or by which Company or any of its subsidiaries or any of their respective properties is bound or affected. To Company's knowledge, no investigation or review by any Governmental Entity is pending or has been threatened in a writing delivered to Company or any of its subsidiaries against Company or any of its subsidiaries, nor, to Company's knowledge, has any Governmental Entity indicated an intention to conduct an investigation of Company or any of its subsidiaries. There is no Legal Requirement binding upon Company or any of its subsidiaries which has or could reasonably be expected to have the effect of prohibiting or materially impairing any material business practice of Company or any of its subsidiaries, or any acquisition of material property by Company or any of its subsidiaries. (b) Company and its subsidiaries hold all permits, licenses, variances, exemptions, orders and approvals from governmental authorities that are material to or required for the operation of the business of Company and its subsidiaries as currently conducted (collectively, the "Company Permits"), and are in material compliance with the terms of the Company Permits. 18 2.11 Litigation. There are no claims, suits, actions or proceedings pending ---------- or, to the knowledge of Company, threatened against, relating to or affecting Company or any of its subsidiaries, before any Governmental Entity or any arbitrator that seeks to restrain or enjoin the consummation of the transactions contemplated by this Agreement or which could reasonably be expected, either singularly or in the aggregate with all such claims, actions or proceedings, to have a Material Adverse Effect on Company, Parent or the Surviving Corporation following the Merger. No Governmental Entity has at any time challenged or questioned in a writing delivered to Company or any of its subsidiaries or filed in any legal proceeding or otherwise the legal right of Company or any of its subsidiaries to conduct its business as currently conducted. As of the date hereof, to the knowledge of Company, no event has occurred, and no claim, dispute or other condition or circumstance exists, that will, or that would reasonably be expected to, cause or provide a bona fide basis for a director or executive officer of Company or any of its subsidiaries to seek indemnification from Company or such subsidiary. 2.12 Employee Benefit Plans. ---------------------- (a) Definitions. With the exception of the definition of "Affiliate" ----------- set forth in Section 2.12(a)(i) below (which definition shall apply only to this Section 2.12 and Section 5.14), for purposes of this Agreement, the following terms shall have the meanings set forth below: (i) "Affiliate" shall mean any other person or entity under common control with Company within the meaning of Section 414(b), (c), (m) or (o) of the Code and the regulations issued thereunder; (ii) "Company Employee Plan" shall mean any plan, program, policy, practice, contract, agreement or other arrangement providing for compensation, severance, termination pay, performance awards, stock or stock-related awards, fringe benefits or other employee benefits or remuneration of any kind, whether written or unwritten or otherwise, funded or unfunded, including, each "employee benefit plan," within the meaning of Section 3(3) of ERISA which is or has been maintained, contributed to, or required to be contributed to, by Company or any Affiliate for the benefit of any Employee (for the avoidance of doubt, "Company Employee Plan" does not include "Employee Agreements"); (iii) "COBRA" shall mean the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended; (iii) "COBRA" shall mean the Consolidated Omnibus Reconciliation Act of 1985, as amended; (iv) "DOL" shall mean the Department of Labor; (v) "Employee" shall mean any current, former, or retired employee, officer, or director of Company or any Affiliate; (vi) "Employee Agreement" shall mean each management, employment, severance, consulting, relocation or similar agreement or contract between Company or any Affiliate and (A) any Employee, requiring annual or one time payments in excess of $25,000, or (B) any consultant, requiring annual or one time payments in excess of $50,000; 19 (vii) "ERISA" shall mean the Employee Retirement Income Security Act of 1974, as amended; (viii) "FMLA" shall mean the Family Medical Leave Act of 1993, as amended; (ix) "International Employee Plan" shall mean each Company Employee Plan that has been adopted or maintained by Company or any of its Affiliates, whether informally or formally, for the benefit of Employees outside the United States; (x) "IRS" shall mean the Internal Revenue Service; (xi) "Multiemployer Plan" shall mean any "Pension Plan" (as defined below) which is a "multiemployer plan," as defined in Section 3(37) of ERISA; (xii) "PBGC" shall mean the Pension Benefit Guaranty Corporation; and (xiii) "Pension Plan" shall mean each Company Employee Plan which is an "employee pension benefit plan," within the meaning of Section 3(2) of ERISA. (b) Schedule. Part 2.12 of the Company Disclosure Letter contains an -------- accurate and complete list of each Company Employee Plan and each Employee Agreement. Neither Company nor any of its Affiliates have any plan or commitment to establish any new Company Employee Plan, to modify any Company Employee Plan or Employee Agreement (except to the extent required by law or to conform any such Company Employee Plan or Employee Agreement to the requirements of any applicable law, in each case as previously disclosed to Parent in writing, or as required by this Agreement), or to enter into any Company Employee Plan or Employee Agreement, nor do they have any intention or commitment to do any of the foregoing. (c) Documents. Company has provided to Parent: (i) correct and complete --------- copies of all documents embodying each Company Employee Plan and each Employee Agreement including all amendments thereto and written interpretations thereof; (ii) the most recent annual actuarial valuations, if any, prepared for each Company Employee Plan; (iii) the most recent annual report (Form Series 5500 and all schedules and financial statements attached thereto), if any, required under ERISA or the Code in connection with each Company Employee Plan or related trust; (iv) if the Company Employee Plan is funded, the most recent annual and periodic accounting of Company Employee Plan assets; (v) the most recent summary plan description together with the summary of material modifications thereto, if any, required under ERISA with respect to each Company Employee Plan; (vi) all IRS determination, opinion, notification and advisory letters, and rulings relating to Company Employee Plans and copies of all applications and correspondence to or from the IRS or the DOL with respect to any Company Employee Plan; (vii) all material written agreements and contracts relating to each Company Employee Plan, including, but not limited to, administrative service agreements, group annuity contracts and group insurance contracts; (viii) all communications material to any Employee or Employees relating to any Company Employee Plan and any proposed Company Employee Plans, in each case, relating to any amendments, terminations, establishments, increases or 20 decreases in benefits, acceleration of payments or vesting schedules or other events which would result in any liability to Company or its Affiliates that is material to Company; (ix) all COBRA forms and related notices; and (x) all registration statements and prospectuses prepared in connection with each Company Employee Plan. (d) Employee Plan Compliance. (i) (A) Company or one of its Affiliates ------------------------ has performed in all material respects all obligations required to be performed by Company or its Affiliates under, and (B) none of Company of its Affiliates is in default or violation of, or has knowledge of any default or violation by any other party to, each Company Employee Plan, and each Company Employee Plan has been established and maintained in all material respects in accordance with its terms and in compliance with all applicable laws, statutes, orders, rules and regulations, including but not limited to ERISA or the Code; (ii) each Company Employee Plan intended to qualify under Section 401(a) of the Code and each trust intended to qualify under Section 501(a) of the Code has either received a favorable determination letter from the IRS with respect to each such Plan as to its qualified status under the Code, ERISA and the Uruguay Round Agreements Act, the Uniformed Services Employment and Reemployment Rights Act of 1994, the Small Business Job Protection Act of 1996 and the Taxpayer Relief Act of 1997 (collectively referred to as "GUST"), or has remaining a period of time under applicable Treasury regulations or IRS pronouncements in which to apply for such a determination letter and make any amendments necessary to obtain a favorable determination and no event has occurred which would adversely affect the status of such determination letter or the qualified status of such Plan; (iii) no "prohibited transaction," within the meaning of Section 4975 of the Code or Sections 406 and 407 of ERISA, and not otherwise exempt under Section 408 of ERISA, has occurred with respect to any Company Employee Plan; (iv) there are no actions, suits or claims pending, or, to the knowledge of Company, threatened or reasonably anticipated (other than routine claims for benefits) against any Company Employee Plan or against the assets of any Company Employee Plan; (v) each Company Employee Plan can be amended, terminated or otherwise discontinued after the Effective Time in accordance with its terms, without liability to Parent, Company or any of its Affiliates (other than ordinary administration expenses typically incurred in a termination event); (vi) there are no audits, inquiries or proceedings pending or, to the knowledge of Company, threatened by the IRS or DOL with respect to any Company Employee Plan; (vii) neither Company nor any Affiliate is subject to any penalty or tax with respect to any Company Employee Plan under Section 402(i) of ERISA or Sections 4975 through 4980 of the Code; and (viii) all contributions due from Company or any Affiliate with respect to any of the Company Employee Plans have been made as required under ERISA or have been accrued on the Company Balance Sheet. All material filings and reports as to each Employee Plan required to have been submitted to the IRS or the DOL have been duly submitted. (e) Pension Plans. Neither Company nor any Affiliate does now or has ------------- ever, maintained, established, sponsored, participated in, or contributed to, any Pension Plan that is subject to Title IV of ERISA or Section 412 of the Code. (f) Multiemployer Plans. At no time has Company or any of its ------------------- Affiliates contributed to or been requested to contribute to any Multiemployer Plan. 21 (g) No Post-Employment Obligations. No Company Employee Plan or ------------------------------ Employment Agreement provides, or has any liability to provide, retiree life insurance, retiree health or other retiree employee welfare benefits to any person for any reason, except as may be required by COBRA, the Americans with Disabilities Act of 1990, as amended, the Health Insurance Portability and Accountability Act of 1996, as amended, the Women's Health and Cancer Rights Act of 1998 and the FMLA, and the regulations thereunder or other applicable statute, and Company has never represented, promised or contracted (whether in oral or written form) to any Employee (either individually or to Employees as a group) or any other person that such Employee(s) or other person would be provided with retiree life insurance, retiree health or other retiree employee welfare benefit, except to the extent required by statute. (h) COBRA; FMLA. The group health plans (as defined in Section 4980B(g) ----------- of the Code) that benefit employees of Company or its Affiliates are in compliance, in all material respects, with the continuation coverage requirements of Section 4980B of the Code and Sections 601 through 608 of ERISA, the Americans with Disabilities Act of 1990, as amended, the Health Insurance Portability and Accountability Act of 1996, as amended, the Women's Health and Cancer Rights Act of 1998 and FMLA, and the regulations thereunder, as such requirements affect Company, its Affiliates and its Employees. As of the Closing Date, there will be no material outstanding, uncorrected violations under COBRA, with respect to any of the Company's Employee Plans, covered employees, or qualified beneficiaries. (i) Effect of Transaction. The execution of this Agreement and the --------------------- consummation of the transactions contemplated hereby will not (either alone or upon the occurrence of any additional or subsequent events) constitute an event under any Company Employee Plan, Employee Agreement, trust or loan that will or may result in any payment (whether of severance pay or otherwise), acceleration, forgiveness of indebtedness, extension of the exercise period, vesting, distribution, increase in benefits or obligation to fund benefits with respect to any Employee. No payment or benefit which will or may be made by Company or its Affiliates with respect to any Employee as a result of the transactions contemplated by this Agreement will be characterized as an "excess parachute payment," within the meaning of Section 280G(b)(1) of the Code or will be treated as a nondeductible expense within the meaning of Section 162 of the Code. (j) Employment Matters. Company and each of its subsidiaries: (i) is in ------------------ compliance in all material respects with all applicable foreign, federal, state and local laws, rules and regulations respecting employment, employment practices, terms and conditions of employment and wages and hours, in each case, with respect to Employees; (ii) has withheld all amounts required by law or by agreement to be withheld from the wages, salaries and other payments to Employees; (iii) has properly classified independent contractors for purposes of federal and applicable state tax laws, laws applicable to employee benefits and other applicable laws; (iv) is not liable for any material arrears of wages or any taxes or any penalty for failure to comply with any of the foregoing; and (v) is not liable for any material payment to any trust or other fund or to any governmental or administrative authority, with respect to unemployment compensation benefits, social security or other benefits or obligations for Employees (other than routine payments to be made in the normal course of business and consistent with past practice). There are no pending, or, to Company's knowledge, threatened or reasonably anticipated claims or actions against Company or any of its subsidiaries under any worker's compensation policy or 22 long-term disability policy. To Company's knowledge, no Employee of Company or any of its subsidiaries has violated any employment contract, nondisclosure agreement or noncompetition agreement by which such Employee is bound due to such Employee being employed by Company or any of its subsidiaries and disclosing to Company or any of its subsidiaries or using trade secrets or proprietary information of any other person or entity. (k) Labor. No work stoppage or labor strike against Company or any of ----- its subsidiaries is pending, threatened or reasonably anticipated. Company does not know of any current, pending, threatened or reasonably anticipated activities or proceedings of any labor union to organize any Employees. There are no actions, suits, claims, labor disputes or grievances pending, or, to the knowledge of Company, threatened or reasonably anticipated relating to any labor, safety or discrimination matters involving any Employee, including charges of unfair labor practices or discrimination complaints, which, if adversely determined, would, individually or in the aggregate, result in any liability to Company or its subsidiaries that is material to Company. Neither Company nor any of its subsidiaries has engaged in any unfair labor practices within the meaning of the National Labor Relations Act. Neither Company nor any of its subsidiaries is presently, or has been in the past, a party to, or bound by, any collective bargaining agreement or union contract with respect to Employees and no collective bargaining agreement is being negotiated by Company or any of its subsidiaries. (l) International Employee Plan. Each International Employee Plan has --------------------------- been established, maintained and administered in material compliance with its terms and conditions and with the requirements prescribed by any and all statutory or regulatory laws that are applicable to such International Employee Plan. Furthermore, no International Employee Plan has unfunded liabilities that, as of the Effective Time, will not be offset by insurance or are fully accrued on the Company Balance Sheet. Except as required by law, no condition exists that would prevent Company or Parent from terminating or amending any International Employee Plan at any time for any reason. 2.13 Environmental Matters. --------------------- (a) Hazardous Material. Except as would not result in liability to ------------------ Company or any of its subsidiaries that is material to Company, no underground storage tanks and no amount of any substance that has been designated by any Governmental Entity or by applicable federal, state or local law to be radioactive, toxic, hazardous or otherwise a danger to health or the environment, including PCBs, asbestos, petroleum, urea-formaldehyde and all substances listed as hazardous substances pursuant to the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended, or defined as a hazardous waste pursuant to the United States Resource Conservation and Recovery Act of 1976, as amended, and the regulations promulgated pursuant to said laws, but excluding office and janitorial supplies (a "Hazardous Material") are present, as a result of the actions of Company or any of its subsidiaries or any affiliate of Company, or, to Company's knowledge, as a result of any actions of any third party or otherwise, in, on or under any property, including the land and the improvements, ground water and surface water thereof that Company or any of its subsidiaries has at any time owned, operated, occupied or leased. 23 (b) Hazardous Materials Activities. Except as would not result in a ------------------------------ material liability to Company (in any individual case or in the aggregate) (i) neither Company nor any of its subsidiaries has transported, stored, used, manufactured, disposed of released or exposed its employees or others to Hazardous Materials in violation of any law in effect on or before the Closing Date, and (ii) neither Company nor any of its subsidiaries has disposed of, transported, sold, used, released, exposed its employees or others to or manufactured any product containing a Hazardous Material (collectively "Hazardous Materials Activities") in violation of any rule, regulation, treaty or statute promulgated by any Governmental Entity in effect prior to or as of the date hereof to prohibit, regulate or control Hazardous Materials or any Hazardous Material Activity. (c) Permits. Company and its subsidiaries currently hold all ------- environmental approvals, permits, licenses, clearances and consents ("Environmental Permits") material to and necessary for the conduct of Company's and its subsidiaries' Hazardous Material Activities and other businesses of Company and its subsidiaries as such activities and businesses are currently being conducted. (d) Environmental Liabilities. No material action, proceeding, ------------------------- revocation proceeding, amendment procedure, writ or injunction is pending, and to Company's knowledge, no material action, proceeding, revocation proceeding, amendment procedure, writ or injunction has been threatened by any Governmental Entity against Company or any of its subsidiaries in a writing delivered to Company or any of its subsidiaries concerning any Environmental Permit of Company or any of its subsidiaries, Hazardous Material or any Hazardous Materials Activity of Company or any of its subsidiaries. Company is not aware of any fact or circumstance which could involve Company or any of its subsidiaries in any material environmental litigation or impose upon Company or any of its subsidiaries any environmental liability material to Company. (e) Radio Frequency Radiation Compliance. Company and its subsidiaries ------------------------------------ provide no service to the public that would be subject to the rules, regulations, standards and guidelines prescribed or established by (i) the Federal Communications Commission pursuant to Section 704(b) of the Telecommunications Act of 1996, as amended, and (ii) any other Communications Regulatory Agency, in each case relating to the environmental effects of radio frequency radiation. 2.14 Certain Agreements. Neither Company nor any of its subsidiaries is a ------------------ party to or is bound by: (a) any employment or consulting Contract with any employee or member of Company's Board of Directors, other than those that are terminable by Company or any of its subsidiaries on no more than thirty days notice without liability or financial obligation, except to the extent general principles of wrongful termination law or good faith and fair dealing may limit Company's or any of its subsidiaries' ability to terminate employees at will, or any consulting Contract; (b) any Contract, including any stock option plan, stock appreciation right plan or stock purchase plan, any of the benefits of which will be increased, or the vesting of 24 benefits of which will be accelerated, by the occurrence of any of the transactions contemplated by this Agreement or the value of any of the benefits of which will be calculated on the basis of any of the transactions contemplated by this Agreement; (c) any Contract of indemnification, any guaranty or any instrument evidencing indebtedness for borrowed money by way of direct loan, sale of debt securities, purchase money obligation, conditional sale, or otherwise; (d) any Contract containing covenants purporting to limit or which effectively limit Company's or any of its subsidiaries' freedom to compete in any line of business or in any geographic area or which would so limit Company or Surviving Corporation or any of its subsidiaries after the Effective Time or granting any exclusive distribution or other exclusive rights; (e) any Contract currently in force relating to the disposition or acquisition by Company or any of its subsidiaries after the date of this Agreement of a material amount of assets not in the ordinary course of business, or pursuant to which Company has any material ownership or participation interest in any corporation, partnership, joint venture, strategic alliance or other business enterprise other than Company's subsidiaries; (f) any Contract with regard to the acquisition or licensing of any material Intellectual Property other than licenses, assignment, or other similar Contracts entered into in the ordinary course of business consistent with past practice; (g) any Contract with any (i) officer, (ii) director, (iii) holder of 5% or more of the capital stock of Company or (iv) subsidiary, in any case of (i), (ii) and (iv), of Company or any subsidiary of Company; (h) any executed but not fully performed Contract providing for capital expenditures by Company or its subsidiaries in excess of $500,000; (i) any Contract material to the performance of Company's and its subsidiaries' network operations (such Contracts listed on Part 2.14(i) of the Company Disclosure Letter being a "Material Network Contract"); (j) any Contract related to access to any material third party database or data collection; (k) any material billing and collection or clearing house Contract; or (l) any other Contract currently in effect, the cancellation of which would have a Material Adverse Effect on Company. The Contracts required to be disclosed in the Company Disclosure Letter pursuant to clauses (a) through (l) above or pursuant to Section 2.9 or are required to be filed with any Company SEC Report ("Company Contracts") are valid and in full force and effect, except to the extent that such invalidity would not be material to Company. Neither Company nor any of its subsidiaries, nor to Company's knowledge, any other party thereto, is in material breach, 25 violation or default under, and neither Company nor any of its subsidiaries has received written notice that it has materially breached, violated or defaulted, any of the terms or conditions of any Company Contract in such a manner as would be material to Company. 2.15 Customer Contracts and Network Operations. ----------------------------------------- (a) Part 2.15(a) of the Disclosure Letter lists the ten customers of Company and its subsidiaries that have contributed the most revenue, in the aggregate, to Company and its subsidiaries in the current fiscal year ("Key Customers"). Part 2.15 of the Disclosure Letter also lists each material Contract between a Key Customer and Company or its subsidiaries ("Key Customer Contract"). Each Key Customer Contract is in full force and effect. Neither Company nor any of its subsidiaries, nor to Company's knowledge, any other party thereto, is in breach, violation or default under, and neither Company nor any of its subsidiaries has received written notice that it has breached, violated or defaulted, any of the terms or conditions of any Key Customer Contract. Neither Company nor any of its subsidiaries has received any written or oral indication or assertion from any Key Customer that there has been any material problem with the service Company or its subsidiaries provide to such Key Customers or that a Key Customer desires to amend, decrease services pursuant to, terminate, relinquish or not renew any Key Customer Contract. No Contract with a Key Customer materially differs from Company's or subsidiaries' standard form contract for the applicable service in the form previously provided to Parent. (b) There has not occurred with respect to Company or its subsidiaries (i) any material disruption to network operations or any network outage, (ii) any material delay in implementing any planned network build out or scheduled upgrading or maintenance activities, (iii) any material failure to comply with any network performance standards or objectives set forth in any material customer Contract or promulgated by Telcordia or the American National Standards Institute, or (iv) any failure to correct any material network deficiency or condition of which Company or its subsidiaries have knowledge that could cause or result in any of the foregoing (collectively, a "Network Failure"), which have resulted, or could result, in (1) a material breach of any material Contract with a customer or other third party, (2) the payment of any penalties or (3) the issuance of any credits by Company or its subsidiaries which, in the aggregate, exceed $150,000. Company or its subsidiaries have implemented remedial measures reasonably designed to prevent the reoccurrence of any Network Failure. (c) Neither Company nor any of its subsidiaries has provided to its customers or any third parties, other than in the ordinary course of business and consistent with the terms of the standard form customer contract for such product or service in the form previously provided to Parent, (i) any warranties, representations, covenants or guarantees regarding products or services provided by Company or its subsidiaries, including any warranties, representations, covenants or guarantees regarding network or service availability, service levels, operability or non-interruption; (ii) any rights to obtain refunds or credits with respect to any product or service provided by Company or its subsidiaries; and (iii) any indemnities with respect to intellectual property infringement or the performance or availability of any product or service of Company or any of its subsidiaries. 26 2.16 Brokers' and Finders' Fees. Except for fees payable to Robertson -------------------------- Stephens, Inc. pursuant to an engagement letter dated May 4, 2001, a copy of which has been provided to Parent, neither Company nor any of its subsidiaries has incurred, nor will they incur, directly or indirectly, any liability for brokerage or finders' fees or agents' commissions or any similar charges in connection with this Agreement or any transaction contemplated hereby. 2.17 Insurance. Part 2.17 of the Company Disclosure Letter sets forth a --------- list of all insurance policies and fidelity bonds carried by Company or any of its subsidiaries. Such policies and bonds are written by insurers of recognized financial responsibility against such risks and losses and in such amounts as is reasonably sufficient for the conduct of the business of Company and its subsidiaries, including to cover the replacement cost of the fixed assets used in Company's and its subsidiaries' businesses. There is no material claim pending under any of such policies or bonds as to which coverage has been questioned, denied or disputed by the underwriters of such policies or bonds. All premiums due and payable under all such policies have been paid and Company and its subsidiaries are otherwise in compliance in all material respects with the terms of such policies and bonds. To the knowledge of Company, there has been no threatened termination of, or material premium increase with respect to, any of such policies. 2.18 Disclosure. The information supplied by Company for inclusion in the ---------- Form S-4 (or any similar successor form thereto) Registration Statement to be filed by Parent with the SEC in connection with the issuance of Parent Common Stock in the Merger (the "Registration Statement") shall not at the time the Registration Statement is filed with the SEC and at the time it becomes effective under the Securities Act contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein, in light of the circumstances under which they are made, not misleading. The information supplied by Company for inclusion or incorporation by reference in the proxy statement/prospectus to be filed with the SEC as part of the Registration Statement (the "Proxy Statement/Prospectus") shall not, on the date the Proxy Statement/Prospectus is mailed to Company's stockholders, at the time of the meeting of Company's stockholders (the "Company Stockholders' Meeting") to consider the Company Stockholder Approvals, or as of the Effective Time, contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein, in light of the circumstances under which they are made, not false or misleading; or omit to state any material fact necessary to correct any statement in any earlier communication with respect to the solicitation of proxies for the Company Stockholders' Meeting which has become false or misleading. The proxy statement included in the Proxy Statement/Prospectus will comply as to form in all material respects with the provisions of the Exchange Act and the rules and regulations thereunder. If at any time prior to the Effective Time any event relating to Company or any of its affiliates, officers or directors should be discovered by Company which is required to be set forth in an amendment to the Registration Statement or a supplement to the Proxy Statement/Prospectus, Company shall promptly inform Parent. Notwithstanding the foregoing, Company makes no representation or warranty with respect to any information supplied by Parent or Merger Sub that is contained in any of the foregoing documents. 2.19 Board Approval. The Board of Directors of Company has, as of the date -------------- of this Agreement, (i) determined that the Merger is fair to, and in the best interests of Company and its 27 stockholders, and has approved this Agreement and the Stock Option Agreement and (ii) declared the advisability of the Merger and recommends that the stockholders of Company approve and adopt this Agreement and approve the Merger. 2.20 Fairness Opinion. Company's Board of Directors has received a written ---------------- opinion from Robertson Stephens, Inc., dated as of the date hereof, to the effect that, as of the date hereof, the consideration to be received by Company's stockholders in the Merger is fair to Company's stockholders from a financial point of view, and has delivered to Parent a copy of such opinion. 2.21 DGCL Section 203 and Rights Agreement. The restrictions contained in ------------------------------------- Section 203 of the Delaware Law applicable to a "business combination" (as defined in such Section 203) are not applicable to the execution, delivery or performance of this Agreement or the Stock Option Agreement or to the consummation of the Merger. To Company's knowledge, no other anti-takeover, control share acquisition, fair price, moratorium or other similar statute or regulation (each, a "Takeover Statute") applies or purports to apply to this Agreement, the Merger or the other transactions contemplated hereby. Company has (i) duly authorized and executed an appropriate amendment to the Company Rights Agreement which amendment has been provided to Parent and (ii) taken all other action necessary or appropriate so that the entering into of this Agreement, the Stock Option Agreement or the Voting Agreement, and the consummation of the transactions contemplated hereby and thereby (including the Merger) do not and will not result in Parent or Merger Sub being or becoming an "Acquiring Person" thereunder or the ability of any person to exercise a "Right" (as defined in the Company Rights Agreement) or enabling or requiring Rights to separate from the shares of Company Common Stock to which they are attached or to be triggered or become exercisable and the Company Rights Agreement will expire immediately prior to the Effective Time, and the Company Rights Agreement, as so amended, has not been further amended or modified except in accordance herewith. No "Distribution Date" or "Shares Acquisition Date" (as such terms are defined in the Company Rights Plan) has occurred prior to the date of this Agreement, nor will occur as a result of the entry by Company into this Agreement, the Stock Option Agreement or the Voting Agreement or the consummation of any of the transactions contemplated hereby and thereby. 2.22 Affiliates. Part 2.22 of the Company Disclosure Letter is a complete ---------- list of those persons who may be deemed to be, in Company's reasonable judgment, affiliates of Company within the meaning of Rule 145 promulgated under the Securities Act. Except as set forth in the Company SEC Reports, since the date of Company's last proxy statement filed with the SEC, no event has occurred as of the date of this Agreement that would be required to be reported by Company pursuant to Item 404 of Regulation S-K promulgated by the SEC. ARTICLE III REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB As of the date of this Agreement and as of the Closing Date, except as disclosed in (i) factual statements set forth in Parent's (A) Annual Report on Form 10-K for the year ending December 31, 2000 or (B) Quarterly Report on Form 10-Q or Current Report on Form 8-K filed subsequent to the filing of such Form 10-K but prior to the date of this Agreement (for the avoidance of doubt, disclosure included in any section titled "risk factors", "forward looking 28 statements" or a similar type caption in any such filings shall not qualify or modify any representation or warranty in this Agreement), or (ii) the disclosure letter delivered by Parent to Company dated as of the date hereof (the "Parent Disclosure Letter") (each Part of which qualifies the correspondingly numbered representation, warranty or covenant to the extent specified therein and such other representations, warranties or covenants to the extent a matter in such Part is disclosed in such a way as to make its relevance to such other representation, warranty or covenant readily apparent, Parent and Merger Sub represent and warrant as follows: 3.1 Organization of Parent and Merger Sub. ------------------------------------- (a) Each of Parent and Merger Sub is a corporation duly organized, validly existing and in good standing under the laws of the jurisdiction of its incorporation and has all requisite corporate power and authority, and all requisite qualifications to do business as a foreign corporation, to conduct its business in the manner in which its business is currently being conducted, except where the failure to be so organized, existing or in good standing or to have such power, authority or qualifications would not, individually or in the aggregate, have a Material Adverse Effect on Parent. (b) Parent has delivered or made available to Company a true and correct copy of the Certificate of Incorporation and Bylaws of Parent and Merger Sub, each as amended to date (collectively, the "Parent Charter Documents"), and each such instrument is in full force and effect. Neither Parent nor Merger Sub is in violation of any of the provisions of the Parent Charter Documents. Parent has delivered or made available to Company all proposed or considered amendments to the Parent Charter Documents. 3.2 Parent and Merger Sub Capitalization. ------------------------------------ (a) The authorized capital stock of Parent consists solely of 1,000,000,000 shares of Parent Common Stock, of which there were 204,114,323 shares issued and outstanding as of the close of business on September 20, 2001, and 5,000,000 shares of Preferred Stock, par value $0.001 per share, none of which are issued or outstanding. All outstanding shares of Parent Common Stock are duly authorized, validly issued, fully paid and nonassessable and are not subject to preemptive rights created by statute, the Certificate of Incorporation or Bylaws of Parent or any Contract to which Parent is a party or by which it is bound. (b) As of the close of business on September 20, 2001, (i) 21,308,338 shares of Parent Common Stock are subject to issuance pursuant to outstanding options to purchase Parent Common Stock, and (ii) 1,471,370 shares of Parent Common Stock are reserved for future issuance under Parent's 1998 Equity Employee Stock Purchase Plan. All shares of Parent Common Stock subject to issuance as aforesaid, upon issuance on the terms and conditions specified in the instruments pursuant to which they are issuable, would be duly authorized, validly issued, fully paid and nonassessable. (c) The authorized capital stock of Merger Sub consists of 100 shares of common stock, $0.00001 par value, all of which, as of the date hereof, are issued and outstanding and are held directly by Parent. All of the outstanding shares of Merger Sub's 29 common stock have been duly authorized and validly issued, and are fully paid and nonassessable. Merger Sub has no subsidiaries. (d) Merger Sub was formed for the purpose of consummating the Merger and has no material assets or liabilities except as necessary for such purpose. (e) The Parent Common Stock to be issued in the Merger, when issued in accordance with the provisions of this Agreement, will be validly issued, fully paid and nonassessable. 3.3 Obligations With Respect to Capital Stock. Except as set forth in Part ----------------------------------------- 3.3 of the Parent Disclosure Letter, there are no equity securities, partnership interests or similar ownership interests of any class of Parent equity security, or any securities exchangeable or convertible into or exercisable for such equity securities, partnership interests or similar ownership interests, issued, reserved for issuance or outstanding. Except for securities Parent owns free and clear of all claims and Encumbrances, directly or indirectly through one or more subsidiaries, and except for shares of capital stock or other similar ownership interests of certain subsidiaries of Parent that are owned by certain nominee equity holders as required by the applicable law of the jurisdiction of organization of such subsidiaries, as of the date of this Agreement, there are no equity securities, partnership interests or similar ownership interests of any class of equity security of any subsidiary of Parent, or any security exchangeable or convertible into or exercisable for such equity securities, partnership interests or similar ownership interests, issued, reserved for issuance or outstanding. Except as set forth in Part 3.2 or Part 3.3 of the Parent Disclosure Letter, there are no subscriptions, options, warrants, equity securities, partnership interests or similar ownership interests, calls, rights (including preemptive rights) or other Contracts of any character to which Parent or any of its subsidiaries is a party or by which it is bound obligating Parent or any of its subsidiaries to issue, deliver or sell, or cause to be issued, delivered or sold, or repurchase, redeem or otherwise acquire, or cause the repurchase, redemption or acquisition of, any shares of capital stock, partnership interests or similar ownership interests of Parent or any of its subsidiaries or obligating Parent or any of its subsidiaries to grant, extend, accelerate the vesting of or enter into any such subscription, option, warrant, equity security, call, right or other Contract. 3.4 Authority; Non-Contravention. ---------------------------- (a) Each of Parent and Merger Sub has all requisite corporate power and authority to enter into this Agreement and, with respect to Parent, the Stock Option Agreement and to consummate the transactions contemplated hereby and thereby. The execution and delivery of this Agreement, and the Stock Option Agreement and the consummation of the transactions contemplated hereby have been duly authorized by all necessary corporate action on the part of Parent and Merger Sub, subject only to the filing of the Certificate of Merger pursuant to Delaware Law. No vote of Parent's stockholders is necessary to approve and adopt this Agreement or approve the Merger, and no approval of any holder of any securities of Parent is required in connection with the consummation of the other transactions contemplated hereby. This Agreement has been duly executed and delivered by each of Parent and Merger Sub and, assuming the due authorization, execution and delivery by Company, constitutes the valid and binding obligations of Parent and Merger Sub, respectively, enforceable against Parent and 30 Merger Sub in accordance with their terms, except as enforceability may be limited by bankruptcy and other similar laws affecting the rights of creditors generally and general principles of equity. The Stock Option Agreement has been duly executed and delivered by Parent and, assuming the due authorization, execution and delivery by Company, constitutes the valid and binding obligations of Parent, respectively, enforceable against Parent in accordance with its terms, except as enforceability may be limited by bankruptcy and other similar laws affecting the rights of creditors generally and general principles of equity. (b) The execution and delivery of this Agreement by each of Parent and Merger Sub, and the Stock Option Agreement by Parent, does not, and the performance of this Agreement by Parent and Merger Sub, and the Stock Option Agreement by Parent, will not, (i) conflict with or violate the Certificate of Incorporation or Bylaws of Parent or Merger Sub, (ii) subject to compliance with the requirements set forth in Section 3.4(c), conflict with or violate any Legal Requirement applicable to Parent or Merger Sub or by which any of their respective properties is bound or affected, or (iii) result in any breach of or constitute a default (or an event that with notice or lapse of time or both would become a default) under, or impair Parent's rights or alter the rights or obligations of any third party under, or give to others any rights of termination, amendment, acceleration or cancellation of, or result in the creation of an Encumbrance on any of the properties or assets of Parent or Merger Sub pursuant to, Contract or obligation to which Parent or Merger Sub is a party or by which Parent or Merger Sub or any of their respective properties are bound or affected. (c) No consent, approval, order or authorization of, or registration with any Governmental Entity is required to be obtained or made by Parent or Merger Sub in connection with the execution and delivery of this Agreement or the Stock Option Agreement or the consummation of the Merger, except for (i) the filing of the Certificate of Merger with the Secretary of State of the State of Delaware, (ii) the filing of the Proxy Statement/Prospectus and the Registration Statement with the SEC and a Schedule 13D with regard to the Voting Agreement in accordance with the Securities Act and the Exchange Act, and the effectiveness of the Registration Statement, (iii) such consents, approvals, orders, authorizations, registrations, declarations and filings as may be required under applicable federal, foreign and state securities (or related) laws and the HSR Act and the securities or antitrust laws of any foreign country, and (iv) such other consents, authorizations, filings, approvals and registrations which if not obtained or made would not be material to Parent or the Surviving Corporation or have a material adverse effect on the ability of the parties hereto to consummate the Merger within the time frame in which the Merger would otherwise be consummated in the absence of such requirement. 3.5 SEC Filings; Parent Financial Statements. ---------------------------------------- (a) Parent has filed all forms, reports and documents required to be filed by Parent with the SEC since the effective date of the registration statement of Parent's initial public offering, and has made available to Company such forms, reports and documents in the form filed with the SEC. All such required forms, reports and documents (including those that Parent may file subsequent to the date hereof) are referred to herein as the "Parent SEC Reports." As of their respective dates, the Parent SEC Reports (i) were prepared in accordance with the requirements of the Securities Act or the Exchange Act, as the case may be, and the rules and regulations of the SEC thereunder applicable to such Parent SEC Reports, and (ii) did not at the 31 time they were filed (or if amended or superseded by a filing prior to the date of this Agreement, then on the date of such filing) contain any untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, except to the extent corrected prior to the date of this Agreement by a subsequently filed Parent SEC Report. None of Parent's subsidiaries is required to file any forms, reports or other documents with the SEC. (b) Each of the consolidated financial statements (including, in each case, any related notes thereto) contained in the Parent SEC Reports (the "Parent Financials"), including any Parent SEC Reports filed after the date hereof until the Closing, (i) complied as to form in all material respects with the published rules and regulations of the SEC with respect thereto, (ii) was prepared in accordance with GAAP applied on a consistent basis throughout the periods involved (except as may be indicated in the notes thereto or, in the case of unaudited interim financial statements, as may be permitted by the SEC on Form 10-Q, 8-K or any successor form under the Exchange Act) and (iii) fairly presented the consolidated financial position of Parent and its subsidiaries as at the respective dates thereof and the consolidated results of Parent's operations and cash flows for the periods indicated, except that the unaudited interim financial statements may not contain footnotes and were or are subject to normal and recurring year-end adjustments. The balance sheet of Parent contained in Parent SEC Reports as of June 30, 2001 is hereinafter referred to as the "Parent Balance Sheet." (c) Except as disclosed in the Parent Financials, since the date of the Parent Balance Sheet, neither Parent nor any of its subsidiaries has any liabilities required under GAAP to be set forth on a balance sheet (absolute, accrued, contingent or otherwise) which would reasonably be expected, individually or in the aggregate, to have a Material Adverse Effect on Parent, except for liabilities incurred since the date of the Parent Balance Sheet in the ordinary course of business consistent with past practices and liabilities incurred in connection with this Agreement. (d) Parent has heretofore furnished to Company a complete and correct copy of any amendments or modifications, which have not yet been filed with the SEC but which are required to be filed, to agreements, documents or other instruments which previously had been filed by Parent with the SEC pursuant to the Securities Act or the Exchange Act. 3.6 Absence of Certain Changes or Events. Since the date of the Parent ------------------------------------ Balance Sheet there has not been (i) any Material Adverse Effect with respect to Parent, (ii) any declaration, setting aside or payment of any dividend on, or other distribution (whether in cash, stock or property) in respect of, any of Parent's or any of its subsidiaries' capital stock, (iii) any split, combination or reclassification of any of Parent's or any of its subsidiaries' capital stock, (iv) any material change by Parent in its accounting methods, principles or practices, except as required by concurrent changes in GAAP, or (v) any material revaluation by Parent of any of its material assets, including writing off notes or accounts receivable other than in the ordinary course of business. 3.7 Taxes. Parent is not aware of any fact, circumstance, plan or intention ----- on the part of Parent that would be reasonably likely to prevent the Merger from qualifying as a "reorganization" pursuant to the provisions of Section 368 of the Code. 32 3.8 Intellectual Property. For the purposes of this Agreement, "Parent --------------------- Intellectual Property" shall mean any Intellectual Property that is owned by, or exclusively licensed to, Parent or one of its subsidiaries. (a) No material Parent Intellectual Property is subject to any proceeding or outstanding decree, order, judgment, agreement, or stipulation restricting in any manner the use, transfer, or licensing thereof by Parent, or which may materially and adversely affect the validity, use or enforceability of such Parent Intellectual Property, which proceeding, decree, order, judgment, agreement or stipulation would reasonably be expected to have a Material Adverse Effect on Parent. (b) To Parent's knowledge, the operation of the business of Parent as such business currently is conducted, including Parent's design, development, marketing and sale of the products or services of Parent (including with respect to products currently under development) has not, does not and will not infringe or misappropriate the Intellectual Property of any third party or, to its knowledge, constitute unfair competition or trade practices under the laws of any jurisdiction, except for such matters as would not reasonably be expected to have a Material Adverse Effect on Parent. (c) Parent has not received notice from any third party that the operation of the business of Parent or any act, product or service of Parent, infringes or misappropriates the Intellectual Property of any third party or constitutes unfair competition or trade practices under the laws of any jurisdiction, which allegations if true, would reasonably be expected to have a Material Adverse Effect on Parent. 3.9 Litigation. There are no claims, suits, actions or proceedings pending ---------- or, to the knowledge of Parent, threatened against, relating to or affecting Parent or any of its subsidiaries, before any Governmental Entity or any arbitrator that seeks to restrain or enjoin the consummation of the transactions contemplated by this Agreement or which could reasonably be expected, either singularly or in the aggregate with all such claims, actions or proceedings, to have a Material Adverse Effect on Parent or have a material adverse effect on the ability of the parties hereto to consummate the Merger. 3.10 Disclosure. The information supplied by Parent for inclusion in the ---------- Registration Statement shall not at the time the Registration Statement is filed with the SEC and at the time it becomes effective under the Securities Act contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein, in light of the circumstances under which they are made, not misleading. The information supplied by Parent for inclusion in the Proxy Statement/Prospectus shall not, on the date the Proxy Statement/Prospectus is mailed to Company's stockholders, at the time of the Company Stockholders' Meeting or as of the Effective Time, contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein, in light of the circumstances under which they are made, not false or misleading, or omit to state any material fact necessary to correct any statement in any earlier communication with respect to the solicitation of proxies for the Company Stockholders' Meeting which has become false or misleading. The Registration Statement and prospectus included in the Proxy Statement/Prospectus will comply as to form in all material respects with 33 the provisions of the Securities Act and the rules and regulations thereunder. If at any time prior to the Effective Time, any event relating to Parent or any of its affiliates, officers or directors should be discovered by Parent which is required to be set forth in an amendment to the Registration Statement or a supplement to the Proxy Statement/Prospectus, Parent shall promptly inform Company. Notwithstanding the foregoing, Parent makes no representation or warranty with respect to any information supplied by Company which is contained in any of the foregoing documents. 3.11 Parent Contracts. Neither Parent nor any of its subsidiaries is in ---------------- breach or default under, and neither Parent nor any of its subsidiaries has received written notice that it has materially breached or defaulted, any of the terms or conditions of any Contract set forth on Part 3.11 of the Parent Disclosure Letter, in such a manner as would reasonably be expect to have a Material Adverse Effect on Parent. 3.12 Brokers' and Finders' Fees. Except for fees payable to Credit Suisse -------------------------- First Boston Corporation, Parent has not incurred, nor will it incur, directly or indirectly, any liability for brokerage or finders' fees or agents' commissions or any similar charges in connection with this Agreement or any transaction contemplated hereby. 3.13 Board Approval. The Board of Directors of Parent has, (i) as of the -------------- date of this Agreement, determined that the Merger is fair to, and in the best interests of Parent and its stockholders, and has approved this Agreement and the Stock Option Agreement and (ii) reserved for issuance sufficient shares of Parent Common Stock to consummate the transactions contemplated hereby. 3.14 DGCL Section 203. Neither Parent nor any affiliate is, or has been ---------------- during the past three years, an "interested stockholder" (as defined in Section 203 of the Delaware Law) of Company, other than as contemplated by this Agreement. ARTICLE IV CONDUCT PRIOR TO THE EFFECTIVE TIME 4.1 Conduct of Business by Company. During the period from the date of this ------------------------------ Agreement and continuing until the earlier of the termination of this Agreement pursuant to its terms or the Effective Time, Company and each of its subsidiaries shall, except to the extent that Parent shall otherwise consent in writing, carry on its business in the usual, regular and ordinary course, in substantially the same manner as heretofore conducted and in compliance in all material respects with all applicable Legal Requirements, pay its debts (other than unsecured trade debt which it will pay consistent with past practice) and Taxes when due subject to good faith disputes over such debts or Taxes, pay or perform other material obligations when due, and use its commercially reasonable efforts consistent with past practices and policies to (i) preserve intact its present business organization, (ii) keep available the services of its present officers and employees and (iii) preserve its relationships with customers, suppliers, licensors, licensees, and others with which it has business dealings. In addition, Company will promptly notify Parent of any material event involving its business, operations or financial condition. 34 In addition, without limiting the generality of the foregoing, except as expressly contemplated by this Agreement, or except as set forth in Part 4.1 of the Disclosure Letter without the prior written consent of Parent, during the period from the date of this Agreement and continuing until the earlier of the termination of this Agreement pursuant to its terms or the Effective Time, Company shall not do any of the following and shall not permit its subsidiaries to do any of the following: (a) Waive any stock repurchase rights, accelerate, amend or change the period of exercisability of options or restricted stock, or reprice options granted under any employee, consultant, director or other stock plans or authorize cash payments in exchange for any options granted under any of such plans; (b) Grant any severance or termination pay to any employee except pursuant to written agreements in effect, or policies existing, on the date hereof and as previously disclosed in writing to Parent, or adopt any new severance plan; (c) Transfer or license to any person or entity or otherwise extend, amend or modify in any material respect any rights to the Company Intellectual Property, other than non-exclusive licenses in the ordinary course of business and consistent with past practice; (d) Declare, set aside or pay any dividends on or make any other distributions (whether in cash, stock, equity securities or property) in respect of any capital stock or split, combine or reclassify any capital stock or issue or authorize the issuance of any other securities in respect of, in lieu of or in substitution for any capital stock; (e) Purchase, redeem or otherwise acquire, directly or indirectly, any shares of capital stock of Company or its subsidiaries, except repurchases of unvested shares at cost in connection with the termination of the employment relationship with any employee pursuant to stock option or purchase agreements in effect on the date hereof; (f) Issue, deliver, sell, authorize, pledge or otherwise encumber any shares of capital stock or any securities convertible into shares of capital stock, or subscriptions, rights, warrants or options to acquire any shares of capital stock or any securities convertible into shares of capital stock, or enter into other agreements or commitments of any character obligating it to issue any such shares or convertible securities, other than the issuance delivery and/or sale of (i) shares of Company Common Stock pursuant to the exercise of Company Options, (ii) shares of Company Common Stock issuable to participants in the Company ESPP consistent with the terms thereof and (iii) shares of Company Common Stock issuable to Parent (or a designee of Parent) pursuant to the Stock Option Agreement; (g) Cause, permit or propose any amendments to its Certificate of Incorporation, Bylaws or other charter documents (or similar governing instruments of any of its subsidiaries); (h) Acquire or agree to acquire by merging or consolidating with, or by purchasing any equity interest in or a portion of the assets of, or by any other manner, any business or any corporation, partnership, association or other business organization or division thereof; or otherwise acquire or agree to acquire any assets which are material, individually or in 35 the aggregate, to the business of Company and its subsidiaries or enter into any material joint ventures, strategic relationships or alliances; (i) Sell, lease, license, encumber or otherwise dispose of any properties or assets which are material, individually or in the aggregate, to the business of Company and its subsidiaries; (j) Incur any indebtedness for borrowed money or guarantee any such indebtedness of another person, issue or sell any debt securities or options, warrants, calls or other rights to acquire any debt securities of Company or any of its subsidiaries, enter into any "keep well" or other Contract to maintain any financial statement condition or enter into any arrangement having the economic effect of any of the foregoing other than (i) in connection with the financing of ordinary course trade payables consistent with past practice or (ii) pursuant to existing credit facilities in the ordinary course of business; (k) Adopt or amend (other than any amendment required by law or regulation) any employee benefit plan or employee stock purchase or employee stock option plan, or enter into any employment contract or collective bargaining agreement (other than offer letters and letter agreements entered into in the ordinary course of business consistent with past practice with employees who are terminable "at will"), pay any special bonus or special remuneration to any director or employee, make any loan or provide any advance to any director or employee, or increase the salaries or wage rates or fringe benefits (including rights to severance or indemnification) of its directors, employees or consultants other than in the ordinary course of business, consistent with past practice, or change in any material respect any management policies or procedures; (l) Make any material capital expenditures outside of the ordinary course of business or outside of the budget previously provided to Parent; (m) Materially modify, amend or terminate any Company Contract or other material Contract to which Company or any subsidiary thereof is a party (including any Key Customer Contracts, any Material Network Contract, any material billing, collection or clearing house Contract, or any Contract related to access to any material third party databases or data collections) or waive, release or assign any material rights or claims thereunder; (n) Enter into any Contract with regard to the acquisition or licensing of any material Intellectual Property (as defined in Section 2.9) other than licenses, distribution Contracts, or other similar Contracts entered into in the ordinary course of business consistent with past practice; (o) Enter into (A) any Contract that would be a Material Network Contract, (B) any Contract related to any material billing and collection or clearing house services, or (C) any Contract related to access to any material third party database or data collection, except in any such case in the ordinary course of business consistent with past practice; (p) Materially revalue any of its assets or, except as required by GAAP, make any change in accounting methods, principles or practices; 36 (q) Engage in any action with the intent to directly or indirectly adversely impact any of the transactions contemplated by this Agreement, including with respect to the Company Rights Agreement or any Takeover Statute; (r) Take any action that would cause any representation or warranty of Company to become untrue or inaccurate; or (s) Agree in writing or otherwise commit or negotiate to take any of the actions described in Section 4.1(a) through (r) above. 4.2 No Parent Dividend. During the period from the date of this Agreement ------------------ and continuing until the earlier of the termination of this Agreement pursuant to its terms or the Effective Time, Parent shall not declare, set aside or pay any dividends on or make any other distributions (whether in cash, stock, equity securities or property) in respect of any capital stock of Parent or split, combine or reclassify any capital stock of Parent or issue or authorize the issuance of any other securities in respect of, in lieu of or in substitution for any capital stock of Parent, except to the extent that Company shall otherwise consent in writing. ARTICLE V ADDITIONAL AGREEMENTS 5.1 Proxy Statement/Prospectus; Registration Statement; Antitrust and Other ----------------------------------------------------------------------- Filings. ------- (a) As promptly as practicable after the execution of this Agreement, Company will prepare and file with the SEC, the Proxy Statement/Prospectus and Parent will prepare and file with the SEC the Registration Statement in which the Proxy Statement/Prospectus will be included as a prospectus. Each of Company and Parent will respond to any comments of the SEC, will use its respective commercially reasonable efforts to have the Registration Statement declared effective under the Securities Act as promptly as practicable after such filing and Company will cause the Proxy Statement/Prospectus to be mailed to its stockholders at the earliest practicable time after the Registration Statement is declared effective by the SEC. Promptly after the date of this Agreement, each of Company and Parent will prepare and file (i) with the United States Federal Trade Commission and the Antitrust Division of the United States Department of Justice Notification and Report Forms relating to the transactions contemplated herein as required by the HSR Act, as well as comparable pre-merger notification forms required by the merger notification or control laws and regulations of any applicable jurisdiction, as agreed to by the parties (the "Antitrust Filings") and (ii) any other filings required to be filed by it under the Exchange Act, the Securities Act or any other federal, state or foreign laws relating to the Merger and the transactions contemplated by this Agreement (the "Other Filings"). Company and Parent each shall promptly supply the other with any information which may be required in order to effectuate any filings pursuant to this Section 5.1. (b) Each of Company and Parent will notify the other promptly (i) upon the occurrence of any event which is required to be set forth in an amendment or supplement to the Proxy Statement/Prospectus, the Registration Statement or any Antitrust Filing or Other Filing or (ii) upon the receipt of any comments from the SEC or its staff or any other government officials 37 in connection with any filing made pursuant hereto and of any request by the SEC or its staff or any other government officials for amendments or supplements to the Registration Statement, the Proxy Statement/Prospectus or any Antitrust Filings or Other Filings or for additional information and will supply the other with copies of all correspondence between such party or any of its representatives, on the one hand, and the SEC, or its staff or any other government officials, on the other hand, with respect to the Registration Statement, the Proxy Statement/Prospectus, the Merger or any Antitrust Filing or Other Filing. Except where prohibited by applicable Legal Requirements, and subject to the mutual confidentiality agreement, dated as of September 10, 2001 (the "Confidentiality Agreement"), each of Company and Parent shall consult with the other prior to taking a position with respect to any such filing, shall permit the other to review and discuss in advance, and consider in good faith the views of the other in connection with any analyses, appearances, presentations, memoranda, briefs, white papers, arguments, opinions and proposals before making or submitting any of the foregoing to any Governmental Entity by or on behalf of any party hereto in connection with any investigations or proceedings in connection with this Agreement or the transactions contemplated hereby (including under any antitrust or fair trade Legal Requirement), coordinate with the other in preparing and exchanging such information and promptly provide the other (and its counsel) with copies of all filings, presentations or submissions (and a summary of any oral presentations) made by such party with any Governmental Entity in connection with this Agreement or the transactions contemplated hereby; provided that with respect to any such filing, presentation or submission, each of Parent and Company need not supply the other (or its counsel) with copies (or in case of oral presentations, a summary) to the extent that any law, treaty, rule or regulation of any Governmental Entity applicable to such party requires such party or its Subsidiaries to restrict or prohibit access to any such properties or information or where such properties or information is subject to the attorney-client privilege (it being understood that the participation and cooperation contemplated herein is not intended to constitute, nor shall be deemed to constitute, any form of direct or indirect waiver of the attorney-client privilege maintained by any party hereto). Each of Company and Parent will cause all documents that it is responsible for filing with the SEC or other regulatory authorities under this Section 5.1 to comply in all material respects with all applicable requirements of law and the rules and regulations promulgated thereunder. 5.2 Meeting of Company Stockholders. ------------------------------- (a) Promptly after the date hereof, Company will take all action necessary in accordance with the Delaware Law and its Certificate of Incorporation and Bylaws to convene and hold the Company Stockholders' Meeting to be held as promptly as practicable, and in any event (to the extent permissible under applicable law) within 45 days after the declaration of effectiveness of the Registration Statement, for the purpose of voting upon approval and adoption of this Agreement and approval of the Merger. Subject to Section 5.2(c), Company will use its commercially reasonable efforts to solicit from its stockholders proxies in favor of the adoption and approval of this Agreement and the approval of the Merger and will take all other action necessary or advisable to obtain such approvals and to secure the vote or consent of its stockholders required by the rules of the Nasdaq Stock Market, Delaware Law and its Certificate of Incorporation and Bylaws. Notwithstanding anything to the contrary contained in this Agreement, Company may adjourn or postpone the Company Stockholders' Meeting to the extent necessary to ensure that any necessary supplement or amendment to the Proxy 38 Statement/Prospectus is provided to Company's stockholders in advance of a vote on the Merger and this Agreement or, if as of the time for which Company Stockholders' Meeting is originally scheduled (as set forth in the Proxy Statement/Prospectus) there are insufficient shares of Company Common Stock represented (either in person or by proxy) to constitute a quorum necessary to conduct the business of the Company Stockholders' Meeting. Company shall ensure that the Company Stockholders' Meeting is called, noticed, convened, held and conducted, and that all proxies solicited by Company in connection with the Company Stockholders' Meeting are solicited, in compliance with the Delaware Law, its Certificate of Incorporation and Bylaws, the rules of the Nasdaq Stock Market and all other applicable legal requirements. Company's obligation to call, give notice of, convene and hold the Company Stockholders' Meeting in accordance with this Section 5.2(a) shall not be limited to or otherwise affected by the commencement, disclosure, announcement or submission to Company of any Acquisition Proposal (as defined in Section 5.3), or Superior Offer, or by any withdrawal, amendment or modification of the recommendation of the Board of Directors of Company with respect to this Agreement or the Merger. (b) Subject to Section 5.2(c): (i) the Board of Directors of Company shall recommend that Company's stockholders vote in favor of and adopt and approve this Agreement and approve the Merger at the Company Stockholders' Meeting; (ii) the Proxy Statement/Prospectus shall include a statement to the effect that the Board of Directors of Company has recommended that Company's stockholders vote in favor of and adopt and approve this Agreement and the Merger at the Company Stockholders' Meeting; and (iii) neither the Board of Directors of Company nor any committee thereof shall withdraw, amend or modify, or propose or resolve to withdraw, amend or modify in a manner adverse to Parent, the recommendation of the Board of Directors of Company that Company's stockholders vote in favor of and adopt and approve this Agreement and the Merger. (c) Nothing in this Agreement shall prevent the Board of Directors of Company from withholding, withdrawing, amending or modifying its recommendation in favor of the Merger if (i) a Superior Offer (as defined below) is made to Company and is not withdrawn, (ii) Company shall have provided written notice to Parent (a "Notice of Superior Offer") advising Parent that Company has received a Superior Offer, specifying all of the material terms and conditions of such Superior Offer and identifying the person or entity making such Superior Offer, (iii) Parent shall not have, within five business days of Parent's receipt of the Notice of Superior Offer, made an offer that Company's Board of Directors by a majority vote determines in its good faith judgment (after consultation with a financial advisor of national standing) to be at least as favorable to Company's stockholders as such Superior Offer (it being agreed that the Board of Directors of Company shall convene a meeting to consider any such offer by Parent promptly following the receipt thereof), (iv) the Board of Directors of Company concludes in good faith, after consultation with its outside counsel, that, in light of such Superior Offer, the withholding, withdrawal, amendment or modification of such recommendation is required in order for the Board of Directors of Company to comply with its fiduciary obligations to Company's stockholders under applicable law and (v) Company shall not have violated any of the restrictions set forth in Section 5.3 or this Section 5.2. Company shall provide Parent with at least three business days prior notice (or such lesser prior notice as provided to the members of Company's Board of Directors but in no event less than twenty-four hours) of any meeting of Company's Board of Directors at which Company's Board of Directors is reasonably expected to 39 consider any Acquisition Proposal to determine whether such Acquisition Proposal is a Superior Offer. Nothing contained in this Section 5.2(c) shall limit Company's obligation to hold and convene the Company Stockholders' Meeting (regardless of whether the recommendation of the Board of Directors of Company shall have been withdrawn, amended or modified). For purposes of this Agreement, "Superior Offer" shall mean an unsolicited, bona fide written offer made by a third party to consummate any of the following transactions: (i) a merger or consolidation involving Company pursuant to which the stockholders of Company immediately preceding such transaction hold less than 50% of the equity interest in the surviving or resulting entity of such transaction or (ii) the acquisition by any person or group (including by way of a tender offer or an exchange offer or a two step transaction involving a tender offer followed with reasonable promptness by a merger involving Company), directly or indirectly, of ownership of 100% of the then outstanding shares of capital stock of Company, on terms that the Board of Directors of Company determines, in its reasonable judgment (after consultation with a financial advisor of national standing) to be more favorable to Company stockholders from a financial point of view than the terms of the Merger; provided, however, that any such offer shall not be deemed to be a "Superior Offer" if any financing required to consummate the transaction contemplated by such offer is not committed or is not likely in the reasonable judgment of Company's Board of Directors (after consultation with its financial advisor) to be obtained by such third party on a timely basis. (d) Nothing contained in this Agreement shall prohibit Company or its Board of Directors from taking and disclosing to its stockholders a position contemplated by Rules 14d-9 and 14e-2(a) promulgated under the Exchange Act; provided, however, that the Board of Directors of Company shall not recommend that the stockholders of Company tender their shares in connection with a tender offer except to the extent that the Board of Directors determines in its good faith judgment, after consultation with outside counsel and a financial advisor of national standing, that the tender offer constitutes a Superior Offer and that such recommendation is required in order for the Board of Directors of Company to comply with its fiduciary duties to Company's stockholders under applicable law. 5.3 No Solicitation. --------------- (a) From and after the date of this Agreement until the Effective Time or termination of this Agreement pursuant to Article VII, Company and its subsidiaries will not, nor will they authorize or permit any of their respective officers, directors, affiliates or employees or any investment banker, attorney or other advisor or representative retained by any of them to, directly or indirectly, (i) solicit, initiate, seek, entertain, encourage, facilitate, support or induce the making, submission or announcement of any Acquisition Proposal (as hereinafter defined), (ii) participate in any discussions or negotiations regarding, or furnish to any person any non-public information with respect to, or take any other action to facilitate any inquiries or the making of any proposal that constitutes, or may reasonably be expected to lead to, any Acquisition Proposal, (iii) engage in discussions with any person with respect to any Acquisition Proposal, except as to the existence of these provisions, (iv) approve, endorse or recommend any Acquisition Proposal or (v) enter into any letter of intent or any other Contract contemplating or otherwise relating to any Acquisition Proposal; provided, however, that prior to the approval of this Agreement and the Merger at the Company Stockholders' Meeting, this Section 5.3(a) shall not prohibit Company from furnishing nonpublic information regarding Company and its 40 subsidiaries to, or entering into discussions with, any person or group who has submitted (and not withdrawn) to Company an unsolicited, written, bona fide Acquisition Proposal that the Board of Directors of Company reasonably concludes (after consultation with a financial advisor of national standing) may constitute a Superior Offer if (1) neither Company nor any representative of Company and its subsidiaries shall have violated any of the restrictions set forth in this Section 5.3, (2) the Board of Directors of Company concludes in good faith, after consultation with its outside legal counsel, that such action is required in order for the Board of Directors of Company to comply with its fiduciary obligations to Company's stockholders under applicable law, (3) prior to furnishing any such nonpublic information to, or entering into any such discussions with, such person or group, Company gives Parent written notice of the identity of such person or group and all of the material terms and conditions of such Acquisition Proposal and of Company's intention to furnish nonpublic information to, or enter into discussions with, such person or group, and Company receives from such person or group an executed confidentiality agreement containing terms at least as restrictive with regard to Company's confidential information as the Confidentiality Agreement (as defined in Section 5.1), (4) Company gives Parent at least three business days advance notice of its intent to furnish such nonpublic information or enter into such discussions, and (5) contemporaneously with furnishing any such nonpublic information to such person or group, Company furnishes such nonpublic information to Parent (to the extent such nonpublic information has not been previously furnished by Company to Parent). Company and its subsidiaries will immediately cease any and all existing activities, discussions or negotiations with any parties conducted heretofore with respect to any Acquisition Proposal. Without limiting the foregoing, it is understood that any violation of the restrictions set forth in the preceding two sentences by any officer, director or employee of Company or any of its subsidiaries or any investment banker, attorney or other advisor or representative of Company or any of its subsidiaries shall be deemed to be a breach of this Section 5.3 by Company. For purposes of this Agreement, "Acquisition Proposal" shall mean any offer or proposal (other than an offer or proposal by Parent) relating to, or involving: (A) any acquisition or purchase from Company by any person or "group" (as defined under Section 13(d) of the Exchange Act and the rules and regulations thereunder) of more than a 20% interest in the total outstanding voting securities of Company or any of its subsidiaries or any tender offer or exchange offer that if consummated would result in any person or "group" (as defined under Section 13(d) of the Exchange Act and the rules and regulations thereunder) beneficially owning 20% or more of the total outstanding voting securities of Company or any of its subsidiaries or any merger, consolidation, business combination or similar transaction involving Company pursuant to which the stockholders of Company immediately preceding such transaction hold less than 80% of the equity interests in the surviving or resulting entity of such transaction, other than as set forth on Part 5.3(a) of the Company Disclosure Letter; (B) any sale, lease (other than in the ordinary course of business), exchange, transfer, license (other than in the ordinary course of business), acquisition, or disposition of any material portion of the assets of Company and its subsidiaries; or (C) any liquidation or dissolution of Company. (b) In addition to the obligations of Company set forth in paragraph (a) of this Section 5.3, Company as promptly as practicable shall advise Parent orally and in writing of any request for non-public information which Company reasonably believes would lead to an Acquisition Proposal or of any Acquisition Proposal, or any inquiry with respect to or which 41 Company reasonably should believe would lead to any Acquisition Proposal, the material terms and conditions of such request, Acquisition Proposal or inquiry, and the identity of the person or group making any such request, Acquisition Proposal or inquiry. Company will (i) keep Parent informed as promptly as practicable in all material respects of the status and details (including material amendments or proposed amendments) of any such request, Acquisition Proposal or inquiry and (ii) provide to Parent as promptly as practicable a copy of all written materials provided to Company in connection with any such request, Acquisition Proposal or inquiry. 5.4 Confidentiality; Access to Information. -------------------------------------- (a) Confidentiality Agreement. The parties acknowledge that Company and Parent have previously executed the Confidentiality Agreement, which will continue in full force and effect in accordance with its terms. (b) Access to Information. Company will afford Parent and its accountants, counsel and other representatives reasonable access during normal business hours to the properties, books, records and personnel of Company during the period prior to the Effective Time to obtain all information concerning the business, properties, results of operations and personnel of Company, as Parent may reasonably request. Parent will afford Company and its accountants, counsel and other representatives reasonable access during normal business hours to the properties, books, records and personnel of Parent during the period prior to the Effective Time to obtain all information concerning the business, properties, results of operations and personnel of Parent, as Company may reasonably request. No information or knowledge obtained in any investigation pursuant to this Section 5.4 will affect or be deemed to modify any representation or warranty contained herein or the conditions to the obligations of the parties to consummate the Merger. 5.5 Public Disclosure. Parent and Company will consult with each other, and ----------------- to the extent reasonably practicable, agree, before issuing any press release or otherwise making any public statement with respect to the Merger, this Agreement or an Acquisition Proposal and will not issue any such press release or make any such public statement prior to such consultation, except as may be required by law or any listing agreement with a national securities exchange. The parties have agreed to the text of the joint press release announcing the signing of this Agreement. 5.6 Reasonable Efforts; Notification. -------------------------------- (a) Upon the terms and subject to the conditions set forth in this Agreement, each of the parties agrees to use all commercially reasonable efforts to take, or cause to be taken, all actions, and to do, or cause to be done, and to assist and cooperate with the other parties in doing, all things necessary, proper or advisable to consummate and make effective, in the most expeditious manner practicable, the Merger and the other transactions contemplated by this Agreement, including using reasonable efforts to accomplish the following: (i) the taking of all reasonable acts necessary to cause the conditions precedent set forth in Article VI to be satisfied, (ii) the obtaining of all necessary actions or nonactions, waivers, consents, approvals, orders and authorizations from Governmental Entities and the making of all necessary registrations, declarations and filings (including registrations, declarations and filings with Governmental 42 Entities, if any) and the taking of all commercially reasonable steps as may be necessary to avoid any suit, claim, action, investigation or proceeding by any Governmental Entity, (iii) the obtaining of all necessary consents, approvals or waivers from third parties, (iv) the defending of any suits, claims, actions, investigations or proceedings, whether judicial or administrative, challenging this Agreement or the consummation of the transactions contemplated hereby, including seeking to have any stay or temporary restraining order entered by any court or other Governmental Entity vacated or reversed and (v) the execution or delivery of any additional instruments necessary to consummate the transactions contemplated by, and to fully carry out the purposes of, this Agreement. Notwithstanding anything in this Agreement to the contrary, neither Parent nor any of its affiliates shall be under any obligation (i) to make proposals, execute or carry out agreements or submit to orders providing for the sale or other disposition or holding separate (through the establishment of a trust or otherwise) of any assets or categories of assets of Parent, any of its affiliates or Company or the holding separate of the shares of Company Common Stock (or shares of stock of the Surviving Corporation), or (ii) imposing or seeking to impose or confirm any limitation or regulation on the ability of Parent or any of its subsidiaries or affiliates to freely conduct their business or own such assets or to acquire, hold or exercise full rights of ownership of the shares of Company Common Stock (or shares of stock of the Surviving Corporation). (b) Each of Company and Parent will give prompt notice to the other of (i) any notice or other communication from any person alleging that the consent of such person is or may be required in connection with the Merger, (ii) any notice or other communication from any Governmental Entity in connection with the Merger, (iii) any litigation relating to, involving or otherwise affecting Company, Parent or their respective subsidiaries that relates to or may reasonably be expected to affect, the consummation of the Merger. Company shall give prompt notice to Parent of any representation or warranty made by it contained in this Agreement becoming untrue or inaccurate, or any failure of Company to comply with or satisfy in any material respect any covenant, condition or agreement to be complied with or satisfied by it under this Agreement, in each case, such that the conditions set forth in Section 6.3 would not be satisfied, provided, however, that no such notification shall affect the representations, warranties, covenants or agreements of the parties or the conditions to the obligations of the parties under this Agreement. Parent shall give prompt notice to Company of any representation or warranty made by it or Merger Sub contained in this Agreement becoming untrue or inaccurate, or any failure of Parent or Merger Sub to comply with or satisfy in any material respect any covenant, condition or agreement to be complied with or satisfied by it under this Agreement, in each case, such that the conditions set forth in Section 6.2 would not be satisfied, provided, however, that no such notification shall affect the representations, warranties, covenants or agreements of the parties or the conditions to the obligations of the parties under this Agreement. 5.7 Third Party Consents. As soon as practicable following the date hereof, -------------------- Parent and Company will each use its commercially reasonable efforts to obtain any material consents, waivers and approvals under any of its or its subsidiaries' respective Contracts required to be obtained in connection with the consummation of the transactions contemplated hereby. 43 5.8 Stock Options and ESPP. ---------------------- (a) At the Effective Time, each outstanding Company Option, whether or not then exercisable, will be converted into an option to purchase Parent Common Stock. Each Company Option so converted will continue to have, and be subject to, substantially the same terms and conditions set forth in the Company Stock Option Plan immediately prior to the Effective Time (including any repurchase rights or vesting provisions), except that (i) each Company Stock Option will be exercisable (or will become exercisable in accordance with its terms) for that number of whole shares of Parent Common Stock equal to the product of the number of shares of Company Common Stock that were issuable upon exercise of such Company Option immediately prior to the Effective Time multiplied by the Exchange Ratio, rounded down to the nearest whole number of shares of Parent Common Stock and (ii) the per share exercise price for the shares of Parent Common Stock issuable upon exercise of such converted Company Option will be equal to the quotient determined by dividing the exercise price per share of Company Common Stock at which such Company Option was exercisable immediately prior to the Effective Time by the Exchange Ratio, rounded up to the nearest whole cent. Continuous employment with Company or its subsidiaries shall be credited to the optionee for purposes of determining the vesting of all converted Company Options after the Effective Time. (b) Company shall take all actions necessary pursuant to the terms of the Company ESPP in order to shorten the Option Period(s) under such plan which includes the Effective Time (the "Current Offerings") such that a new purchase date for each such Option Period shall occur prior to the Effective Time and shares shall be purchased by Company ESPP participants prior to the Effective Time. The Current Offerings shall expire immediately following such new purchase date, and the Company ESPP shall terminate immediately prior to the earlier of (i) the Effective Time or (ii) the date upon which the Company ESPP terminates by its terms. Subsequent to such new purchase date, Company shall take no action, pursuant to the terms of the Company ESPP, to commence any new offering period. 5.9 Form S-8. Parent agrees to file a registration statement on Form S-8 -------- for the shares of Parent Common Stock issuable with respect to converted Company Options as soon as is reasonably practicable after the Effective Time and shall maintain the effectiveness of such registration statement on a basis comparable to registration statements applicable to other outstanding stock options of the Parent. 5.10 Indemnification. --------------- (a) From and after the Effective Time, Parent will cause the Surviving Corporation to fulfill and honor in all respects the obligations of Company pursuant to any indemnification Contracts between Company and its directors and officers as of the Effective Time (the "Indemnified Parties") and any indemnification provisions under Company's Certificate of Incorporation or Bylaws as in effect on the date hereof, in each case, subject to applicable law. The Certificate of Incorporation and Bylaws of the Surviving Corporation will contain provisions with respect to exculpation and indemnification that are at least as favorable to the Indemnified Parties as those contained in the Certificate of Incorporation and Bylaws of Company as in effect on the date hereof, which provisions will not be amended, repealed or 44 otherwise modified for a period of six years from the Effective Time in any manner that would adversely affect the rights thereunder of individuals who, immediately prior to the Effective Time, were directors, officers, employees or agents of Company, unless such modification is required by law. (b) For a period of six years after the Effective Time, Parent will cause the Surviving Corporation to maintain in effect, if available, directors' and officers' liability insurance covering those persons who are currently covered by Company's directors' and officers' liability insurance policy on terms comparable to those applicable to the current directors and officers of Company; provided, however, that in no event will Parent or the Surviving Corporation be required to expend in excess of 200% of the annual premium currently paid by Company for such coverage (or such coverage as is available for such 200% of such annual premium). (c) This Section 5.10 shall survive the consummation of the Merger, is intended to benefit Company, the Surviving Corporation and each Indemnified Party, shall be binding on all successors and assigns of the Surviving Corporation and Parent, and shall be enforceable by the Indemnified Parties. 5.11 Nasdaq Listing. Parent agrees to authorize for listing on the Nasdaq -------------- Stock Market the shares of Parent Common Stock issuable, and those required to be reserved for issuance, in connection with the Merger, effective upon official notice of issuance. 5.12 Letter of Company's Accountants. Company shall use all reasonable ------------------------------- efforts to cause to be delivered to Parent a letter of Company's independent accountants, dated no more than two business days before the date on which the Registration Statement becomes effective (and satisfactory in form and substance to Parent), that is customary in scope and substance for letters delivered by independent public accountants in connection with registration statements similar to the Registration Statement. 5.13 Takeover Statutes; Company Rights Agreement. ------------------------------------------- (a) No party hereto shall take any action that would cause the transactions contemplated by this Agreement or the Stock Option Agreement to be subject to any Takeover Statute. If any Takeover Statute is or may become applicable to the Merger or the other transactions contemplated by this Agreement, each of Parent and Company and their respective Boards of Directors shall grant such approvals and take such lawful actions as are necessary to ensure that such transactions may be consummated as promptly as practicable on the terms contemplated by this Agreement and otherwise act to eliminate or minimize the effects of such statute and any regulations promulgated thereunder on such transactions. (b) Company shall promptly take all actions necessary in order to ensure that the entering into of this Agreement, the Stock Option Agreement and the Voting Agreement and the consummation of the transactions contemplated hereby and thereby and any other action, or combination of actions in furtherance hereof and thereof, do not and will not result in the ability of any person to exercise a Company Right under the Company Rights Agreement or enable or 45 require the Company Right to separate from the shares of Company Common Stock to which they are attached or to be triggered or become exercisable. 5.14 Certain Employee Benefits. ------------------------- (a) As soon as practicable after the execution of this Agreement, Parent and Company shall confer and work together in good faith to agree upon mutually acceptable employee benefit and compensation arrangements for Company and its Affiliates employees following the Merger. The Company and its Affiliates shall take such actions as are necessary to terminate any Company Employee Plans and any leased employee arrangement immediately prior to the Closing Date, unless otherwise agreed to by Parent and Company; provided that those employees of Company or any of its Affiliates who are eligible to participate in each such Company Employee Plans shall be provided the opportunity to participate in a employee benefit plan maintained by Parent. The Company and its Affiliates agree that they shall terminate any and all group severance, separation, retention and salary continuation plans, programs or arrangements (other than agreements disclosed in Part 5.14 of the Company Disclosure Letter) prior to the Closing Date. (b) Employees of Company and its subsidiaries will be granted credit for all service with Company, its subsidiaries or its Affiliates under each Company employee benefit plan, program or arrangement of Parent or its Affiliates in which such Employees are eligible to participate for all purposes, except for purposes of benefit accrual under a defined benefit pension plan. To the extent that Employees become eligible to participate in a medical, dental or health plan of Parent or its Affiliates in lieu of the Company's Employee Plan, Parent will cause such plan to (i) waive any preexisting condition exclusions and waiting period limitations for conditions covered under the applicable medical, dental or health plans maintained or contributed to by Company (but only to the extent corresponding exclusions and limitations were satisfied by such Employees under the applicable medical, dental or health plans maintained or contributed to by Company); and (ii) credit any deductible or out of pocket expenses incurred by the Employees and their beneficiaries under such plans during the portion of the calendar year prior to such participation. (c) With respect to matters described in this Section 5.14, Company will use all reasonable efforts to consult with Parent (and consider in good faith the advice of Parent) prior to sending any notices or other communication materials to its Employees. 5.15 Section 16 Matters. Provided that Company delivers to Parent the ------------------ Section 16 Information (as defined below) in a timely fashion, Parent and Company shall take all such steps as may be required (to the extent permitted under applicable law) to cause any disposition of Company Common Stock (including derivative securities with respect to Company Common Stock) or acquisitions of Parent Common Stock (including derivative securities with respect to Parent Common Stock) resulting from the transactions contemplated by Article I of this Agreement by each Company Insider to be exempt under Rule 16b-3 promulgated under the Exchange Act. "Section 16 Information" shall mean information regarding the Company Insiders, the number of shares of Company capital stock held by each such Company Insider and expected to be exchanged for Parent Common Stock in connection with the Merger, and the number and description of the Company Options held by each such Company Insider and 46 expected to be converted into options for Parent Common Stock in connection with the Merger. "Company Insiders" shall mean those officers and directors of Company who will be subject to the reporting requirement of Section 16(b) of the Exchange Act with respect to Parent. 5.16 Company Affiliates; Restrictive Legend. Parent will give stop transfer -------------------------------------- instructions to its transfer agent with respect to any Parent Common Stock received pursuant to the Merger by any Company Affiliate, and there will be placed on the certificates representing such Parent Common Stock, or any substitutions therefor, a legend stating in substance: THE SHARES REPRESENTED BY THIS CERTIFICATE WERE ISSUED IN A TRANSACTION TO WHICH RULE 145 PROMULGATED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, APPLIES AND MAY BE TRANSFERRED ONLY (A) IN CONFORMITY WITH RULE 145(D) UNDER SUCH ACT OR (B) IN ACCORDANCE WITH A WRITTEN OPINION OF COUNSEL, REASONABLY ACCEPTABLE TO THE ISSUER, IN FORM AND SUBSTANCE REASONABLY ACCEPTABLE TO THE ISSUER, THAT THE TRANSFER IS EXEMPT FROM THE REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENTS OF THE SECURITIES ACT OF 1933, AS AMENDED. ARTICLE VI CONDITIONS TO THE MERGER 6.1 Conditions to Obligations of Each Party to Effect the Merger. The ------------------------------------------------------------ respective obligations of each party to this Agreement to effect the Merger shall be subject to the satisfaction at or prior to the Closing Date of the following conditions: (a) Company Stockholder Approval. This Agreement shall have been ---------------------------- approved and adopted, and the Merger shall have been approved, by the requisite vote of the stockholders of Company under applicable law and the Company Charter Documents. (b) Registration Statement Effective; Proxy Statement. The SEC shall ------------------------------------------------- have declared the Registration Statement effective. No stop order suspending the effectiveness of the Registration Statement or any part thereof shall have been issued and no proceeding for that purpose, and no similar proceeding in respect of the Proxy Statement/Prospectus, shall have been initiated or threatened in writing by the SEC. (c) No Order; HSR Act. No Governmental Entity shall have enacted, ----------------- issued, promulgated, enforced or entered any statute, rule, regulation, executive order, decree, injunction or other order (whether temporary, preliminary or permanent) which is in effect and which has the effect of making the Merger illegal or otherwise prohibiting consummation of the Merger. All waiting periods, if any, under the HSR Act relating to the transactions contemplated hereby will have expired or been terminated. Any other material foreign antitrust approvals required to be obtained prior to the consummation of the Merger shall have been obtained. (d) Nasdaq Listing. The shares of Parent Common Stock to be issued in -------------- the Merger shall have been approved for listing on the Nasdaq Stock Market, subject to official notice of issuance. 47 6.2 Additional Conditions to Obligations of Company. The obligation of ----------------------------------------------- Company to consummate and effect the Merger shall be subject to the satisfaction at or prior to the Closing Date of each of the following conditions, any of which may be waived, in writing, exclusively by Company: (a) Representations and Warranties. Each representation and warranty of ------------------------------ Parent and Merger Sub contained in this Agreement shall be true and correct in all material respects (except for any statements in a representation or warranty that expressly include a standard of materiality, which statements shall be true and correct in all respects giving effect to such standard) as of the date of this Agreement and as of the Closing Date with the same force and effect as if made on the Closing Date, except that those representations and warranties which address matters only as of a particular date (other than the date of this Agreement) shall remain true and correct in all material respects (except for any statements in a representation or warranty that expressly include a standard of materiality, which statements shall be true and correct in all respects giving effect to such standard) as of such date (it being understood that, for purposes of determining the accuracy of such representations and warranties, any update of or modification to the Parent Disclosure Letter made or purported to have been made after the execution of this Agreement shall be disregarded). Company shall have received a certificate with respect to the foregoing signed on behalf of Parent by the Chief Executive Officer or Chief Financial Officer of Parent. (b) Agreements and Covenants. Parent and Merger Sub shall have ------------------------ performed or complied in all material respects with all agreements and covenants required by this Agreement to be performed or complied with by them on or prior to the Closing Date, and Company shall have received a certificate to such effect signed on behalf of Parent by the Chief Executive Officer or Chief Financial Officer of Parent. (c) Material Adverse Effect. No Material Adverse Effect with respect to ----------------------- Parent shall have occurred since the date of this Agreement and be continuing. (d) Tax Opinion. Company shall have received an opinion of Blackwell Sanders Peper Martin LLP, dated as of the Closing Date, in form and substance reasonably satisfactory to it, on the basis of the facts, representations and assumptions set forth or referred to in such opinion, that the Merger will constitute a reorganization within the meaning of Section 368(a) of the Code and that each of Parent and Company will be a party to the reorganization within the meaning of Section 368(a) of the Code. The parties to this Agreement agree to make such reasonable representations as requested by such counsel for the purpose of rendering such opinions. 6.3 Additional Conditions to the Obligations of Parent and Merger Sub. The ----------------------------------------------------------------- obligations of Parent and Merger Sub to consummate and effect the Merger shall be subject to the satisfaction at or prior to the Closing Date of each of the following conditions, any of which may be waived, in writing, exclusively by Parent: (a) Representations and Warranties. Each representation and warranty of ------------------------------ Company contained in this Agreement shall be true and correct in all material respects (except for any statements in a representation or warranty that expressly include a standard of 48 materiality, which statements shall be true and correct in all respects giving effect to such standard) as of the date of this Agreement and as of the Closing Date with the same force and effect as if made on the Closing Date, except that those representations and warranties which address matters only as of a particular date (other than the date of this Agreement) shall remain true and correct in all material respects (except for any statements in a representation or warranty that expressly include a standard of materiality, which statements shall be true and correct in all respects giving effect to such standard) as of such date (it being understood that, for purposes of determining the accuracy of such representations and warranties, any update of or modification to the Company Disclosure Letter made or purported to have been made after the execution of this Agreement shall be disregarded). Parent shall have received a certificate with respect to the foregoing signed on behalf of Company by the Chief Executive Officer or Chief Financial Officer of Company. (b) Agreements and Covenants. Company shall have performed or complied ------------------------ in all material respects with all agreements and covenants required by this Agreement to be performed or complied with by it at or prior to the Closing Date, and Parent shall have received a certificate to such effect signed on behalf of Company by the Chief Executive Officer or Chief Financial Officer of Company. (c) Material Adverse Effect. No Material Adverse Effect with respect to ----------------------- Company shall have occurred since the date of this Agreement and be continuing. (d) Legal Opinion. Parent shall have received the written legal opinion ------------- of Kraskin, Lesse & Cosson, LLP, telecommunications legal counsel to Company, dated as of the Closing Date, in form and substance reasonably satisfactory to Parent, covering the matters set forth on Exhibit C. (e) No Restraints. There shall not be instituted, pending or threatened ------------- any action, proceeding or hearing by any Governmental Entity (i) seeking to restrain, prohibit, regulate or otherwise interfere with the ownership or operation by Parent or any of its subsidiaries of all or any portion of the business of Company or any of its subsidiaries or of Parent or any of its subsidiaries or to compel Parent or any of its subsidiaries to dispose of or hold separate all or any portion of the business or assets of Company or any of its subsidiaries or of Parent or any of its subsidiaries, (ii) seeking to impose or confirm limitations or regulations on the ability of Parent or any of its subsidiaries effectively to exercise full rights of ownership of the shares of Company Common Stock (or shares of stock of the Surviving Corporation) including the right to vote any such shares on any matters properly presented to stockholders or freely conduct Company's business or (iii) seeking to require divestiture by Parent or any of its subsidiaries of any such assets or shares. (f) Consents. (i) All material required approvals or consents of any -------- Governmental Entity or other person in connection with the Merger and the consummation of the other transactions contemplated hereby shall have been obtained and become final and non-appealable (and all relevant statutory, regulatory or other governmental waiting periods, shall have expired), and (ii) all such approvals and consents which have been obtained shall have been so obtained on terms that are not reasonably likely to materially affect the ownership or operations of business by Parent. 49 ARTICLE VII TERMINATION, AMENDMENT AND WAIVER 7.1 Termination. This Agreement may be terminated at any time prior to the ----------- Effective Time, whether before or after the requisite approvals of the stockholders of Company or Parent: (a) by mutual written consent duly authorized by the Boards of Directors of Parent and Company; (b) by either Company or Parent if the Merger shall not have been consummated by September 30, 2002 (the "Outside Date") for any reason; provided, however, that the right to terminate this Agreement under this Section 7.1(b) shall not be available to any party whose action or failure to act has been a principal cause of or resulted in the failure of the Merger to occur on or before such date and such action or failure to act constitutes a breach of this Agreement; (c) by either Company or Parent if a Governmental Entity shall have issued an order, decree or ruling or taken any other action, in any case having the effect of permanently restraining, enjoining or otherwise prohibiting the Merger, which order, decree, ruling or other action is final and nonappealable; (d) by either Company or Parent, if the approval and adoption of this Agreement and the approval of the Merger by the stockholders of Company shall not have been obtained by reason of the failure to obtain the required vote at a meeting of Company stockholders duly convened therefore or at any adjournment thereof; provided, however, that the right to terminate this Agreement under this Section 7.1(d) shall not be available to Company where the failure to obtain Company stockholder approval shall have been caused by (i) the action or failure to act of Company and such action or failure to act constitutes a material breach by Company of this Agreement or (ii) a breach of the Voting Agreement by any party thereto other than Parent; (e) by Parent (at any time prior to the adoption and approval of this Agreement and the Merger by the required vote of the stockholders of Company) if a Triggering Event (as defined below) shall have occurred; (f) by Company, either (i) upon a breach of any representation, warranty, covenant or agreement on the part of Parent set forth in this Agreement, or if any representation or warranty of Parent shall have become untrue, in either case such that the conditions set forth in Section 6.2(a) or Section 6.2(b) would not be satisfied as of the time of such breach or as of the time such representation or warranty shall have become untrue, or (ii) if a Material Adverse Effect on Parent shall have occurred; provided that if such inaccuracy in Parent's representations and warranties or breach by Parent, or Material Adverse Effect on Parent, is curable prior to the Outside Date by Parent through the exercise of its commercially reasonable efforts, then Company may not terminate this Agreement under this Section 7.1(g) for 30 days after delivery of written notice from Company to Parent of such breach, provided Parent continues to exercise commercially reasonable efforts to cure such breach or Material Adverse Effect on Parent (it 50 being understood that Company may not terminate this Agreement pursuant to this paragraph (f) if such breach by Parent or Material Adverse Effect on Parent is cured during such 30-day period, or if Company shall have materially breached this Agreement); or (g) by Parent, either (i) upon a breach of any representation, warranty, covenant or agreement on the part of Company set forth in this Agreement, or if any representation or warranty of Company shall have become untrue, in either case such that the conditions set forth in Section 6.3(a) or Section 6.3(b) would not be satisfied as of the time of such breach or as of the time such representation or warranty shall have become untrue, or (ii) if a Material Adverse Effect on Company shall have occurred; provided that if such inaccuracy in Company's representations and warranties or breach by Company, or Material Adverse Effect on Company, is curable prior to the Outside Date by Company through the exercise of its commercially reasonable efforts, then Parent may not terminate this Agreement under this Section 7.1(g) for 30 days after delivery of written notice from Parent to Company of such breach, provided Company continues to exercise commercially reasonable efforts to cure such breach or Material Adverse Effect on Company (it being understood that Parent may not terminate this Agreement pursuant to this paragraph (g) if such breach by Company or Material Adverse Effect on Company is cured during such 30-day period, or if Parent shall have materially breached this Agreement). For the purposes of this Agreement, a "Triggering Event" shall be deemed to have occurred if: (i) the Board of Directors of Company or any committee thereof shall for any reason have withdrawn or shall have amended or modified in a manner adverse to Parent its recommendation in favor of the adoption and approval of the Agreement or the approval of the Merger; (ii) Company shall have failed to include in the Proxy Statement/Prospectus the recommendation of the Board of Directors of Company in favor of the adoption and approval of the Agreement and the approval of the Merger; (iii) the Board of Directors of Company fails to reaffirm its recommendation in favor of the adoption and approval of the Agreement and the approval of the Merger within 10 business days after Parent requests in writing that such recommendation be reaffirmed; (iv) the Board of Directors of Company or any committee thereof shall have approved or publicly recommended any Acquisition Proposal; (v) Company shall have entered into any letter of intent or other Contract accepting any Acquisition Proposal; (vi) Company shall have materially breached any of the provisions of Sections 5.2 or 5.3; or (vii) a tender or exchange offer relating to securities of Company shall have been commenced by a person unaffiliated with Parent, and Company shall not have sent to its security holders pursuant to Rule 14e-2 promulgated under the Securities Act, within 10 business days after such tender or exchange offer is first published sent or given, a statement disclosing that Company recommends rejection of such tender or exchange offer. 7.2 Notice of Termination; Effect of Termination. Any proper termination of -------------------------------------------- this Agreement under Section 7.1 above will be effective immediately upon the delivery of written notice of the terminating party to the other parties hereto. In the event of the termination of this Agreement as provided in Section 7.1, this Agreement shall be of no further force or effect, except (i) as set forth in this Section 7.2, Section 7.3 and Article VIII, each of which shall survive the termination of this Agreement, and (ii) nothing herein shall relieve any party from liability for any willful breach of this Agreement. No termination of this Agreement shall affect 51 the obligations of the parties contained in the Confidentiality Agreement, all of which obligations shall survive termination of this Agreement in accordance with their terms. 7.3 Fees and Expenses. ----------------- (a) General. Except as set forth in this Section 7.3, all fees and ------- expenses incurred in connection with this Agreement and the transactions contemplated hereby shall be paid by the party incurring such expenses whether or not the Merger is consummated; provided, however, that Parent and Company shall share equally all fees and expenses, other than attorneys' and accountants fees and expenses, incurred in relation to the printing and filing with the SEC of the Proxy Statement/Prospectus (including any preliminary materials related thereto) and the Registration Statement (including financial statements and exhibits) and any amendments or supplements thereto. (b) Company Payments. In the event that this Agreement is terminated by ---------------- Parent or Company, as applicable, pursuant to Sections 7.1(b), 7.1(d), 7.1(e) or 7.1(g), Company shall promptly, but in no event later than two days after the date of such termination, pay Parent a fee equal to $45.5 million in immediately available funds (the "Termination Fee"); provided, that in the case of a termination under Sections 7.1(b), 7.1(d) or 7.1(g) prior to which no Triggering Event has occurred, (i) such payment shall be made only if (A) following the date of this Agreement and prior to the termination of this Agreement, a person has publicly announced an Acquisition Proposal and (B) within 18 months following the termination of this Agreement, either a Company Acquisition (as defined below) is consummated, or Company enters into a Contract providing for a Company Acquisition and (ii) such payment shall be made promptly, but in no event later than two days after the consummation of any such Company Acquisition or the entry by Company into any such Contract. Company acknowledges that the agreements contained in this Section 7.3(b) are an integral part of the transactions contemplated by this Agreement, the amount of, and the basis for payment of, the Termination Fee are reasonable and appropriate in all respects, and that, without these agreements, Parent would not enter into this Agreement. Accordingly, if Company fails to pay in a timely manner the Termination Fee due pursuant to this Section 7.3(b), and, in order to obtain such payment, Parent makes a claim that results in a judgment against Company for the amounts set forth in this Section 7.3(b), Company shall pay to Parent its reasonable costs and expenses (including reasonable attorneys' fees and expenses) in connection with such suit, together with interest on the amounts set forth in this Section 7.3(b) at the prime rate of Bank of America, N.A. in effect on the date such payment was required to be made. Payment of the fees described in this Section 7.3(b) shall not be in lieu of damages incurred in the event of breach of this Agreement. For the purposes of this Agreement, "Company Acquisition" shall mean any of the following transactions (other than the transactions contemplated by this Agreement); (i) a merger, consolidation, business combination, recapitalization, liquidation, dissolution or similar transaction involving Company pursuant to which the stockholders of Company immediately preceding such transaction hold less than 50% of the aggregate equity interests in the surviving or resulting entity of such transaction, (ii) a sale or other disposition by Company or its subsidiaries of assets (in a transaction or series of transactions) representing in excess of 50% of the aggregate fair market value of Company's business immediately prior to such sale, or (iii) the acquisition by any person or group (including by way of a tender offer or an exchange offer or 52 issuance by Company), directly or indirectly, of beneficial ownership or a right to acquire beneficial ownership of shares representing in excess of 50% of the voting power of the then outstanding shares of capital stock of Company. 7.4 Amendment. Subject to applicable law, this Agreement may be amended by --------- the parties hereto, by action taken or authorized by their respective Boards of Directors, at any time before or after approval of the matters presented in connection with the Merger by the stockholders of Parent and Company; provided, after any such approval, no amendment shall be made which by law or in accordance with the rules of any relevant stock exchange or the Nasdaq Stock Market requires further approval by such stockholders without such further stockholder approval. This Agreement may not be amended except by execution of an instrument in writing signed on behalf of each of Parent, Merger Sub and Company. The agreement of Parent to any amendment shall be deemed to be the agreement of Merger Sub to such amendment. 7.5 Extension; Waiver. At any time prior to the Effective Time any party ----------------- hereto may, to the extent legally allowed, (i) extend the time for the performance of any of the obligations or other acts of the other parties hereto, except that Parent may not extend for the benefit of Merger Sub and vice versa, (ii) waive any inaccuracies in the representations and warranties made to such party contained herein or in any document delivered pursuant hereto and (iii) waive compliance with any of the agreements or conditions for the benefit of such party contained herein. Any agreement on the part of a party hereto to any such extension or waiver shall be valid only if set forth in an instrument in writing signed on behalf of such party. The agreement of Parent to any extension or waiver shall be deemed to be the agreement of Merger Sub to such extension or waiver. Delay in exercising any right under this Agreement shall not constitute a waiver of such right. ARTICLE VIII GENERAL PROVISIONS 8.1 Non-Survival of Representations and Warranties. The representations and ---------------------------------------------- warranties of Company, Parent and Merger Sub contained in this Agreement shall terminate at the Effective Time, and only the covenants that by their terms survive the Effective Time shall survive the Effective Time. 8.2 Notices. All notices and other communications hereunder shall be in ------- writing and shall be deemed duly given (i) on the date of delivery if delivered personally, (ii) on the date of confirmation of receipt (or, the first business day following such receipt if the date is not a business day) of transmission by facsimile, or (iii) on the date of confirmation of receipt (or, the first business day following such receipt if the date is not a business day) if delivered by a nationally recognized courier service. Subject to the foregoing, all notices hereunder shall be delivered as set forth below, or pursuant to such other instructions as may be designated in writing by the party to receive such notice: 53 (a) if to Parent or Merger Sub, to: VeriSign, Inc. 487 East Middlefield Road Mountain View, California 94043 Attention: James M. Ulam, General Counsel Facsimile No.: 650-426-5113 with a copy to: Fenwick & West LLP Two Palo Alto Square Palo Alto, California 94306 Attention: Gordon K. Davidson Douglas N. Cogen Jeffrey R. Vetter Facsimile No.: 650-494-1417 (b) if to Company, to: Illuminet Holdings, Inc. 4501 Intelco Loop Lacey, Washington 98503 Attention: Chief Executive Officer Facsimile No.: 360-923-3440 with a copy to: Blackwell Sanders Peper Martin LLP Two Pershing Square 2300 Main Street Suite 1000 Kansas City, Missouri 14108 Attention: James M. Ash Shari L. Wright Facsimile No.: 816-983-8080 8.3 Interpretation; Certain Defined Terms. ------------------------------------- (a) When a reference is made in this Agreement to Exhibits, such reference shall be to an Exhibit to this Agreement unless otherwise indicated. When a reference is made in this Agreement to Articles or Sections, such reference shall be to an Article or a Section of this Agreement unless otherwise indicated. The words "include," "includes" and "including" when used herein shall be deemed in each case to be followed by the words "without limitation." The table of contents and headings contained in this Agreement are for reference purposes only and shall not affect in any way the meaning or interpretation of this Agreement. When reference is made herein to "the business of" an entity, such reference shall be deemed to include the 54 business of all direct and indirect subsidiaries of such entity. Reference to the subsidiaries of an entity shall be deemed to include all direct and indirect subsidiaries of such entity. (b) For purposes of this Agreement, other than Section 2.12, the term "affiliates" shall mean a person that directly, or indirectly through one or more intermediaries, controls, or is controlled by, or is under common control with, the first-mentioned person; (c) For purposes of this Agreement, the term "Contract" shall mean any written, oral or other agreement, contract, subcontract, lease, understanding, instrument, note, option, warranty, purchase order, license, sublicense, insurance policy, benefit plan or legally binding commitment, obligation or undertaking of any nature. (d) For purposes of this Agreement, "Encumbrances" means any lien, pledge, hypothecation, charge, mortgage, security interest, encumbrance, claim, infringement, interference, option, right of first refusal, preemptive right, community property interest or restriction of any nature (including any restriction on the voting of any security, any restriction on the transfer of any security or other asset, any restriction on the receipt of any income derived from any asset, any restriction on the use of any asset and any restriction on the possession, exercise or transfer of any other attribute of ownership of any asset). (e) For purposes of this Agreement, the term "knowledge" means with respect to a party hereto, with respect to any matter in question, that any of the officers (with respect to Company, only those officers set forth on Part 8.3 of the Company Disclosure Letter (the "Disclosure Officers")) or directors of such party has actual knowledge of such matter, after reasonable inquiry of such matter. Any such person will be deemed to have actual knowledge of a matter if (i) such matter is reflected in one or more documents (whether written or electronic, including e-mails sent to or by such individual) in, or that have been in, such individual's possession within the past year, including personal files of such individual, (ii) such matter is reflected in one or more documents (whether written or electronic) contained in books and records of such party that would reasonably be expected to be reviewed by an individual who has the duties and responsibilities of such individual in the customary performance of such duties and responsibilities, or (iii) such knowledge could be obtained from reasonable inquiry of the individuals who directly report to the Disclosure Officers or any individuals employed by such party charged with senior administrative or operational responsibility for such matters for such party. (f) For purposes of this Agreement, the term "Material Adverse Effect" when used in connection with an entity means any change, event, violation, inaccuracy, circumstance or effect that is or is reasonably likely to be materially adverse to (1) the business, assets (including intangible assets), capitalization, regulatory environment, financial condition, operations or results of operations of such entity taken as a whole with its subsidiaries or (2) the ability of the parties hereto to consummate the Merger within the time frame the Merger would otherwise be consummated in the absence of such change, event, violation, inaccuracy, circumstance or effect, except to the extent that any such change, event, violation, inaccuracy, circumstance or effect set forth in (1) or (2) above, directly and primarily results from (i) changes in general economic conditions or changes affecting the industry generally in which such entity 55 operates (provided that such changes do not affect such entity in a disproportionate manner) or (ii) changes in the trading prices for such entity's capital stock. (g) For purposes of this Agreement, the term "person" shall mean any individual, corporation (including any non-profit corporation), general partnership, limited partnership, limited liability partnership, joint venture, estate, trust, company (including any limited liability company or joint stock company), firm or other enterprise, association, organization, entity or Governmental Entity. (h) For purposes of this Agreement, "subsidiary" of a specified entity will be any corporation, partnership, limited liability company, joint venture or other legal entity of which the specified entity (either alone or through or together with any other subsidiary) owns, directly or indirectly, 50% or more of the stock or other equity or partnership interests the holders of which are generally entitled to vote for the election of the Board of Directors or other governing body of such corporation or other legal entity. 8.4 Counterparts. This Agreement may be executed in one or more ------------ counterparts, all of which shall be considered one and the same agreement and shall become effective when one or more counterparts have been signed by each of the parties and delivered to the other party, it being understood that all parties need not sign the same counterpart. 8.5 Entire Agreement; Third Party Beneficiaries. This Agreement, its ------------------------------------------- Exhibits and the documents and instruments and other agreements among the parties hereto as contemplated by or referred to herein, including the Stock Option Agreement, the Voting Agreement, the Company Disclosure Letter and the Parent Disclosure Letter and any non-competition agreement between Parent and employees of Company or its subsidiaries (a) constitute the entire agreement among the parties with respect to the subject matter hereof and supersede all prior agreements and understandings, both written and oral, among the parties with respect to the subject matter hereof, it being understood that the Confidentiality Agreement shall continue in full force and effect until the Closing and shall survive any termination of this Agreement; and (b) are not intended to confer upon any other person any rights or remedies hereunder, except as specifically provided in Section 5.10. 8.6 Severability. In the event that any provision of this Agreement or the ------------ application thereof, becomes or is declared by a court of competent jurisdiction to be illegal, void or unenforceable, the remainder of this Agreement will continue in full force and effect and the application of such provision to other persons or circumstances will be interpreted so as reasonably to effect the intent of the parties hereto. The parties further agree to replace such void or unenforceable provision of this Agreement with a valid and enforceable provision that will achieve, to the extent possible, the economic, business and other purposes of such void or unenforceable provision. 8.7 Other Remedies; Specific Performance. Except as otherwise provided ------------------------------------ herein, any and all remedies herein expressly conferred upon a party will be deemed cumulative with and not exclusive of any other remedy conferred hereby, or by law or equity upon such party, and the exercise by a party of any one remedy will not preclude the exercise of any other remedy. The parties hereto agree that irreparable damage would occur in the event that any of the provisions 56 of this Agreement were not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed that the parties shall be entitled to seek an injunction or injunctions to prevent breaches of this Agreement and to enforce specifically the terms and provisions hereof in any court of the United States or any state having jurisdiction, this being in addition to any other remedy to which they are entitled at law or in equity. 8.8 Governing Law. This Agreement shall be governed by and construed in ------------- accordance with the laws of the State of Delaware, regardless of the laws that might otherwise govern under applicable principles of conflicts of law thereof. 8.9 Rules of Construction. The parties hereto agree that they have been --------------------- represented by counsel during the negotiation and execution of this Agreement and, therefore, waive the application of any law, regulation, holding or rule of construction providing that ambiguities in an agreement or other document will be construed against the party drafting such agreement or document. 8.10 Assignment. No party may assign either this Agreement or any of its ---------- rights, interests, or obligations hereunder without the prior written consent of the other parties hereto. Subject to the preceding sentence, this Agreement shall be binding upon and shall inure to the benefit of the parties hereto and their respective successors and permitted assigns. Any purported assignment in violation of this Section shall be void. 8.11 Waiver Of Jury Trial. EACH OF PARENT, COMPANY AND MERGER SUB HEREBY -------------------- IRREVOCABLY WAIVES ALL RIGHT TO TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM (WHETHER BASED ON CONTRACT, TORT OR OTHERWISE) ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE ACTIONS OF PARENT, COMPANY OR MERGER SUB IN THE NEGOTIATION, ADMINISTRATION, PERFORMANCE AND ENFORCEMENT HEREOF. * * * * * 57 IN WITNESS WHEREOF, the parties hereto have caused this Agreement and Plan of Merger to be executed by their duly authorized respective officers as of the date first written above. VERISIGN, INC. By: /s/ Stratton D. Sclavos ------------------------------------------- Name: Stratton D. Sclavos Title: President and Chief Executive Officer ILLINOIS ACQUISITION CORPORATION By: /s/ Stratton D. Sclavos ------------------------------------------- Name: Stratton D. Sclavos Title: Chief Executive Officer ILLUMINET HOLDINGS, INC. By: /s/ Roger H. Moore ------------------------------------------- Name: Roger H. Moore Title: President and Chief Executive Officer



                                                                       EXHIBIT 2

                                VOTING AGREEMENT

                            FORM OF VOTING AGREEMENT

     This VOTING AGREEMENT (the "Agreement") is made and entered into as of
September 23, 2001, between VeriSign, Inc., a Delaware corporation ("Parent"),
and the undersigned stockholder ("Stockholder") of Illuminet Holdings, Inc., a
Delaware corporation ("Company").

                                    RECITALS

     A. Concurrently with the execution of this Agreement, Parent, Company and
Illinois Acquisition Corporation, a Delaware corporation and a wholly-owned
first-tier subsidiary of Parent ("Merger Sub"), are entering into an Agreement
and Plan of Merger (the "Merger Agreement") which provides for the merger of
Merger Sub with and into Company (the "Merger"). Pursuant to the Merger, shares
of common stock of Company, par value $0.01 per share ("Company Common Stock")
will be converted into shares of Parent Common Stock on the basis described in
the Merger Agreement. Capitalized terms used but not defined herein shall have
the meanings set forth in the Merger Agreement.

     B. Stockholder is the record holder or beneficial owner of, or exercises
voting power over, such number of outstanding shares of Company Common Stock as
is indicated on the final page of this Agreement.

     C. As a material inducement to enter into the Merger Agreement, Parent
desires Stockholder to agree, and Stockholder is willing to agree, to vote the
Shares (as defined below), and such other shares of capital stock of Company
over which Stockholder has voting power, so as to facilitate consummation of the
Merger.

     In consideration of the foregoing and the representations, warranties,
covenants and agreements set forth in this Agreement, the parties agree as
follows:

     1. AGREEMENT TO VOTE SHARES

        1.1 Definitions. For purposes of this Agreement:
            -----------

            (a) Shares. The term "Shares" shall mean all issued and outstanding
                ------
shares of Company Common Stock owned of record or beneficially by Stockholder or
over which Stockholder exercises voting power, in each case, as of the record
date for persons entitled (i) to receive notice of, and to vote at the meeting
of the stockholders of Company called for the purpose of voting on the matters
referred to in Section 1.2, or (ii) to take action by written consent of the
stockholders of Company with respect to the matters referred to in Section 1.2.
Stockholder agrees that any shares of capital stock of Company that Stockholder
purchases or




with respect to which Stockholder otherwise acquires beneficial ownership or
over which Stockholder exercises voting power after the execution of this
Agreement and prior to the date of termination of this Agreement pursuant to
Section 3 below shall be subject to the terms and conditions of this Agreement
to the same extent as if they constituted Shares on the date hereof.

         (b) Subject Securities. The term "Subject Securities" shall mean: (i)
             ------------------
all securities of Company (including all shares of Company Common Stock and all
options, warrants and other rights to acquire shares of Company Common Stock
beneficially owned by Stockholder as of the date of this Agreement; and (ii) all
additional securities of Company (including all additional shares of Company
Common Stock and all additional options, warrants and other rights to acquire
shares of Company Common Stock) of which Stockholder acquires ownership during
the period from the date of this Agreement through the earlier of termination of
this Agreement pursuant to Section 3 below or the record date for the meeting at
which stockholders of Company are asked to vote upon approval of the Merger
Agreement and the Merger.

         (c) Transfer. Stockholder shall be deemed to have effected a "Transfer"
             --------
of a security if Stockholder directly or indirectly: (i) sells, pledges,
hypothecates, encumbers, transfers or disposes of, or grants an option with
respect to, such security or any interest in such security; or (ii) enters into
an agreement or commitment providing for the sale, pledge, hypothecation
encumbrance, transfer or disposition of, or grant of an option with respect to,
such security or any interest therein.

     1.2 Agreement to Vote Shares. Stockholder hereby covenants and agrees that,
         ------------------------
during the period commencing on the date hereof and continuing until the first
to occur of (i) such date and time as the Merger shall become effective in
accordance with the terms and provisions of the Merger Agreement (the "Effective
Time") and (ii) termination of this Agreement in accordance with its terms, at
any meeting (whether annual or special and whether or not an adjourned or
postponed meeting) of the stockholders of Company, however called, or in
connection with any written consent of the stockholders of Company, Stockholder
will appear at the meeting or otherwise cause the Shares to be counted as
present thereat for purposes of establishing a quorum and vote or consent (or
cause to be voted or consented) the Shares:

          (1) in favor of the approval and adoption of the Merger Agreement and
     the approval of the Merger and the other actions contemplated by the Merger
     Agreement and any actions required in furtherance thereof;

          (2) against approval of any proposal made in opposition to or in
     competition with the consummation of the Merger, including, without
     limitation, any Acquisition Proposal or Superior Offer (each as defined in
     the Merger Agreement) or any action or agreement that would result in a
     breach in any respect of any covenant, representation or warranty or any
     other obligation or agreement of Company under the Merger Agreement or of
     the Stockholder under this Agreement.


                                       2



     Stockholder further agrees not to enter into any agreement or understanding
with any person the effect of which would be inconsistent with or violative of
any provision contained in this Section 1.2.

         1.3. Transfer and Other Restrictions. (a) Prior to the termination of
              -------------------------------
this Agreement, Stockholder agrees not to, directly or indirectly:

              (i) except pursuant to the terms of the Merger Agreement, offer
     for sale, Transfer or otherwise dispose of, or enter into any contract,
     option or other arrangement or understanding with respect to or consent to
     the offer for sale Transfer or other disposition of any or all of the
     Subject Securities or any interest therein except as provided in Section
     1.2 hereof;

              (ii) grant any proxy, power of attorney, deposit any of the
     Subject Securities into a voting trust or enter into a voting agreement or
     arrangement with respect to the Subject Securities except as provided in
     this Agreement; or

              (iii) take any other action that would make any representation or
     warranty of Stockholder contained herein untrue or incorrect or have the
     effect of preventing or disabling Stockholder from performing its
     obligations under this Agreement.

     (b) To the extent Stockholder is, as of the date hereof, party to a
contract or agreement that requires Stockholder to Transfer Shares to another
person or entity (excluding a contract or agreement pledging Shares to Company),
Stockholder will not effect any such Transfer unless and until the transferee
agrees to be bound by and executes an agreement in the form of this Agreement
with respect to the Shares to be Transferred. Nothing herein shall prohibit
Stockholder from exercising (in accordance with the terms of the option or
warrant, as applicable) any option or warrant Stockholder may hold; provided
that the securities acquired upon such exercise shall be deemed Shares.

         1.4 Irrevocable Proxy. Concurrently with the execution of this
             -----------------
Agreement, Stockholder agrees to deliver to Parent a proxy in the form attached
hereto as Exhibit I (the "Proxy"), which shall be irrevocable, with respect to
the Shares, subject to the other terms of this Agreement.

         1.5 Appraisal Rights. Stockholder agrees not to exercise any rights of
             ----------------
appraisal and any dissenters' rights that Stockholder may have (whether under
applicable law or otherwise) or could potentially have or acquire in connection
with the Merger.

         1.6 No Limitation on Discretion as Director. This Agreement is intended
             ---------------------------------------
solely to apply to the exercise by Stockholder of rights attaching to ownership
of the Shares, and nothing herein shall be deemed to apply to, or to limit in
any manner the discretion of Stockholder who is a director of the Company with
respect to, any action which may be taken or omitted by Stockholder acting in
Stockholder's fiduciary capacity as a director of the Company.


                                       3



     2. REPRESENTATIONS AND WARRANTIES OF STOCKHOLDER

        (a) Stockholder is the record and beneficial owner of, or Stockholder
exercises voting power over, the shares of Company Common Stock indicated on the
final page of this Agreement, which, on and as of the date hereof, are free and
clear of any Encumbrances that would adversely affect the ability of Stockholder
to carry out the terms of this Agreement. The number of Shares set forth on the
signature pages hereto are the only Shares beneficially owned by such
Stockholder and, except as set forth on such signature pages, the Stockholder
holds no options to purchase or rights to subscribe for or otherwise acquire any
securities of the Company and has no other interest in or voting rights with
respect to any securities of the Company.

        (b) Stockholder has the requisite capacity, power and authority to enter
into this Agreement and to consummate the transaction contemplated by this
Agreement. The execution and delivery of this Agreement by such Stockholder and
the consummation by such Stockholder of the transactions contemplated by this
Agreement have been duly authorized by all necessary action. This Agreement has
been duly executed and delivered by such Stockholder and constitutes a valid and
binding obligation of such Stockholder, enforceable against such Stockholder in
accordance with its terms, except (i) as the same may be limited by applicable
bankruptcy, insolvency, moratorium or similar laws of general application
relating to or affecting creditors' rights, and (ii) for the limitations imposed
by general principles of equity. The execution and delivery of this Agreement
does not, and the consummation of the transactions contemplated by this
Agreement and compliance with the provisions of this Agreement will not,
conflict with, or result in any violation of, or default (with or without notice
or lapse of time, or both) under, or give rise to a right of termination,
cancellation or acceleration of any obligation which would result in the
creation of any Encumbrance upon any of the Shares owned by such Stockholder
under, any provision of applicable law or regulation or of any agreement,
judgment, injunction, order, decree, or other instrument binding on such
Stockholder or any Shares owned by such Stockholder. No consent, approval, order
or authorization of, or registration, declaration or filing with or exemption by
any Governmental Entity is required by or with respect to such Stockholder in
connection with the execution and delivery of this Agreement by such Stockholder
or the consummation by such Stockholder of the transactions contemplated by this
Agreement, except for applicable requirements, if any, of Sections 13 and 16 of
the Securities Exchange Act of 1934, as amended, and the rules and regulations
thereunder. If this Agreement is being executed in a representative or fiduciary
capacity, the person signing this Agreement has full power and authority to
enter into and perform such Agreement. Prior to the approval of Company's Board
of Directors of this Agreement, Stockholder and Parent had no agreement,
arrangement or understanding with respect to the voting of any of Stockholder's
securities of the Company.

     3. TERMINATION

     This Agreement shall terminate and shall have no further force or effect as
of the first to occur of (i) the Effective Time and (ii) such date and time as
the Merger Agreement shall have been validly terminated pursuant to Article VII
thereof.


                                       4



     4. MISCELLANEOUS

        4.1 Severability. If any term, provision, covenant or restriction of
            ------------
this Agreement is held by a court of competent jurisdiction to be invalid, void
or unenforceable, then the remainder of the terms, provisions, covenants and
restrictions of this Agreement shall remain in full force and effect and shall
in no way be affected, impaired or invalidated.

        4.2 Binding Effect and Assignment. This Agreement and all of the
            -----------------------------
provisions hereof shall be binding upon and inure to the benefit of the parties
hereto and their respective successors and permitted assigns, but, except as
otherwise specifically provided herein, neither this Agreement nor any of the
rights, interests or obligations of the parties hereto may be assigned by either
of the parties without prior written consent of the other. Any purported
assignment in violation of this Section shall be void.

        4.3 Amendments and Modification. This Agreement may not be modified,
            ---------------------------
amended, altered or supplemented except upon the execution and delivery of a
written agreement executed by the parties hereto.

        4.4 Specific Performance; Injunctive Relief; Attorneys Fees. The parties
            -------------------------------------------------------
hereto acknowledge that Parent will be irreparably harmed and that there will be
no adequate remedy at law for a violation of any of the covenants or agreements
of Stockholder set forth herein. Therefore, it is agreed that, in addition to
any other remedies that may be available to Parent upon any such violation,
Parent shall have the right to enforce such covenants and agreements by specific
performance, injunctive relief or by any other means available to Parent at law
or in equity. If any action, suit or other proceeding (whether at law, in equity
or otherwise) is instituted concerning or arising out of this Agreement or any
transaction contemplated hereunder, the prevailing party shall recover, in
addition to any other remedy granted to such party therein, all such party's
costs and attorneys fees incurred in connection with the prosecution or defense
of such action, suit or other proceeding.

        4.5 Notices. All notices and other communications hereunder shall be in
            -------
writing and shall be deemed duly given (i) on the date of delivery if delivered
personally, (ii) on the date of confirmation of receipt (or, the first business
day following such receipt if the date is not a business day) of transmission by
facsimile, or (iii) on the date of confirmation of receipt (or, the first
business day following such receipt if the date is not a business day) if
delivered by a nationally recognized courier service. Subject to the foregoing,
all notices hereunder shall be delivered as set forth below, or pursuant to such
other instructions as may be designated in writing by the party to receive such
notice:

        If to Parent:

        VeriSign, Inc.
        487 East Middlefield Road
        Mountain View, California 94043
        Attention: James M. Ulam, General Counsel
        Facsimile No.: 650-426-5113


                                       5



        with a copy to:

        Fenwick & West LLP
        Two Palo Alto Square
        Palo Alto, California 94306
        Attention: Gordon K. Davidson
                   Douglas N. Cogen
                   Jeffrey R. Vetter
        Facsimile: 650-494-1417

        If to Stockholder, to the address for notice set forth on the last page
        hereof.

        with a copy to:

        Blackwell Sanders Peper Martin LLP
        Two Pershing Square
        2300 Main Street
        Suite 1000
        Kansas City, Missouri 14108
        Attention: James M. Ash
                   Shari L. Wright
        Facsimile: 816-983-8080


Any party hereto may by notice so given provide and change its address for
future notices hereunder. Notice shall conclusively be deemed to have been given
when personally delivered or when deposited in the mail in the manner set forth
above.

        4.6 Governing Law. This Agreement shall be governed by and construed
            -------------
exclusively in accordance with the laws of the State of Delaware, excluding that
body of law relating to conflict of laws.

        4.7 Entire Agreement. This Agreement, the Merger Agreement and the Proxy
            ----------------
granted hereunder constitute and contain the entire agreement and understanding
of the parties with respect to the subject matter hereof and supersede any and
all prior negotiations, correspondence, agreements, understandings, duties or
obligations between the parties respecting the subject matter hereof.

        4.8 Counterparts. This Agreement may be executed in counterparts, each
            ------------
of which shall be deemed an original, but all of which together shall constitute
one and the same instrument.

        4.9 Captions. The captions to sections of this Agreement have been
            --------
inserted for identification and reference purposes only and shall not be used to
construe or interpret this Agreement.

                                    * * * * *


                                       6




     IN WITNESS WHEREOF, the parties hereto have caused this Voting Agreement to
be executed by their duly authorized respective officers as of the date first
above written.

                                     VERISIGN, INC.


                                     By:
                                        ----------------------------------------
                                     Name:
                                     Title:


                                     STOCKHOLDER:

                                     [STOCKHOLDER]


                                     By:
                                        ----------------------------------------
                                     Name:
                                     Title:

                                     Stockholder's Address for Notice:

                                     [Address]




                                            Outstanding shares of Company Common

                                            Stock held of record or beneficially
                                            owned by Stockholder or over which
                                            Stockholder exercises voting power:

                                            ------------------------------------





                                                                       EXHIBIT I

                                IRREVOCABLE PROXY

     The undersigned stockholder (the "Stockholder") of Illuminet Holdings,
Inc., a Delaware corporation (the "Company"), hereby irrevocably appoints and
constitutes the members of the Board of Directors of VeriSign, Inc., a Delaware
corporation ("Parent"), and each such Board member (collectively, the
"Proxyholders"), the agents, attorneys and proxies of the undersigned, with full
power of substitution and resubstitution, to the full extent of the
undersigned's rights with respect to the shares of capital stock of Company
which are listed below (the "Shares"), and any and all other shares or
securities issued or issuable in respect thereof on or after the date hereof and
prior to the date this proxy terminates, to vote the Shares as follows: the
Proxyholders named above are empowered at any time prior to termination of this
proxy to exercise all voting and other rights (including, without limitation,
the power to execute and deliver written consents with respect to the Shares) of
the undersigned at every annual, special or adjourned meeting of Company
stockholders, and in every written consent in lieu of such a meeting, or
otherwise, (i) in favor of adoption of the Agreement and Plan of Merger (the
"Merger Agreement") among Parent, Illinois Acquisition Corporation and Company,
and the approval of the merger of Illinois Acquisition Corporation with and into
Company (the "Merger"), and (ii) against approval of any proposal made in
opposition to or in competition with consummation of the Merger, including,
without limitation, any Acquisition Proposal or Superior Offer (each as defined
in the Merger Agreement) or any action or agreement that would result in a
breach in any respect of any covenant, representation or warranty or any other
obligation or agreement of Company under the Merger Agreement or of the
Stockholder under the voting agreement between Parent and Stockholder (the
"Voting Agreement").

     The Proxyholders may not exercise this proxy on any other matter. The
Stockholder may vote the Shares on all such other matters. The proxy granted by
the Stockholder to the Proxyholders hereby is granted as of the date of this
Irrevocable Proxy in order to secure the obligations of the Stockholder set
forth in Section 1 of the Voting Agreement, and is irrevocable and coupled with
an interest in such obligations and in the interests in Company to be purchased
and sold pursuant the Merger Agreement.

     This proxy will terminate upon the termination of the Voting Agreement in
accordance with its terms. Upon the execution hereof, all prior proxies given by
the undersigned with respect to the Shares and any and all other shares or
securities issued or issuable in respect thereof on or after the date hereof are
hereby revoked and no subsequent proxies will be given until such time as this
proxy shall be terminated in accordance with its terms. Any obligation of the
undersigned hereunder shall be binding upon the successors and assigns of the
undersigned. The undersigned stockholder authorizes the Proxyholders to file
this proxy and any substitution or revocation of substitution with the Secretary
of the Company and with any Inspector of Elections at any meeting of the
stockholders of the Company.

     This proxy is irrevocable and shall survive the insolvency, incapacity,
death or liquidation of the undersigned. Dated: September 23, 2001.

                         -------------------------------------
                         Signature

                         -------------------------------------
                         Name (and Title)

                         Shares of Company Common Stock held of record by or
                         beneficially owned by the Stockholder or over which the
                         Stockholder exercises voting power:____________________






                                                                       EXHIBIT 3

                             STOCK OPTION AGREEMENT

     This STOCK OPTION AGREEMENT (the "Agreement") is made and entered into as
of September 23, 2001, between Illuminet Holdings, Inc., a Delaware corporation
("Company"), and VeriSign, Inc., a Delaware corporation ("Parent").

                                    RECITALS

     A. Concurrently with the execution and delivery of this Agreement, Company,
Parent and Illinois Acquisition Corporation, a Delaware corporation and a wholly
owned subsidiary of Parent ("Merger Sub"), are entering into an Agreement and
Plan of Merger (the "Merger Agreement"), that provides, among other things, that
upon the terms and subject to the conditions thereof, for the merger of Merger
Sub and Company (the "Merger"). Capitalized terms used in this Agreement but not
defined herein shall have the meanings ascribed to such terms in the Merger
Agreement.

     B. As a condition to Parent's willingness to enter into the Merger
Agreement, Parent has required that Company agree, and Company has agreed, to
grant to Parent an option to acquire shares of Company Common Stock ("Company
Shares"), upon the terms and subject to the conditions set forth herein.

     In consideration of the foregoing and of the mutual covenants and
agreements set forth herein and in the Merger Agreement and for other good and
valuable consideration, the receipt and adequacy of which are hereby
acknowledged, the parties agree as follows:

     1. Grant of Option. Company hereby grants to Parent an irrevocable option
        ---------------
(the "Option"), exercisable following the occurrence of an Exercise Event (as
defined in Section 2(a)), to acquire up to a number of Company Shares equal to
19.9% of the Company Shares issued and outstanding as of the date upon which an
Exercise Notice (as defined in Section 2(b) below) shall have been delivered
(the "Option Shares"), in the manner set forth below by paying cash at a price
of $35.62 per share (the "Exercise Price"). All references in this Agreement to
Company Shares issued to Parent hereunder shall be deemed to include any
associated Company Rights.

     2. Exercise of Option; Profit Cap.
        ------------------------------

        (a) For all purposes of this Agreement, an "Exercise Event" shall mean
the occurrence of any of (i) a Triggering Event (as such term is defined in the
Merger Agreement), (ii) the amendment by Company of the Company Rights Agreement
or the taking by Company of any corporate action that removes any applicable
restrictions under Section 203 of the Delaware Law or under any other Takeover
Statute, in each case, in connection with any Acquisition Proposal; (iii)
Company's failure to take all action necessary to convene the Company's
Stockholders' Meeting as promptly as practicable, and in any event within 45
days after the declaration of effectiveness of the Registration Statement, (iv)
(A) the public announcement of an acquisition or purchase by any person or
"group" (as defined under Section 13(d) of the Exchange Act and the rules and
regulations thereunder) of more than a 20%



beneficial ownership interest in the total outstanding voting securities of
Company or any of its subsidiaries; (B) the public announcement or commencement
of any tender offer or exchange offer that if consummated would result in any
person or "group" beneficially owning 20% or more of the total outstanding
voting securities of Company or any of its subsidiaries; (C) the public
announcement of a bona fide proposal or offer by a person or entity reasonably
able to consummate any of the following: a merger, consolidation, business
combination or similar transaction involving Company pursuant to which the
stockholders of Company immediately preceding such transaction hold less than
80% of the equity interests in the surviving or resulting entity of such
transaction; or (D) a sale, lease, exchange, transfer, license (other than in
the ordinary course of business), acquisition, or disposition of any material
portion of the assets of Company; or (v) the commencement of a solicitation
within the meaning of Rule 14a-1(l) by any person or entity other than Company
or its Board of Directors (or any person or entity acting on behalf of Company
or its Board of Directors) seeking to alter the composition of Company's Board
of Directors. Company shall notify Parent promptly in writing of the occurrence
of any Exercise Event of which it has knowledge.

        (b) At any time following the occurrence of an Exercise Event, Holder
may deliver to Company a written notice (an "Exercise Notice") specifying that
it wishes to exercise its rights to acquire Company Shares under the Option and
close a purchase of Option Shares and specifying the total number of Option
Shares it wishes to acquire. Unless such Exercise Notice is withdrawn by Holder,
the closing of a purchase of such Option Shares (a "Closing") shall take place
at the principal offices of Company upon such date (which shall be no earlier
than three business days following the delivery of the Exercise Notice) as may
be designated by Holder in the Exercise Notice. For purposes of this Agreement
Parent and each person holding an interest in the Option or the Option Shares as
Parent's transferee are referred to collectively as the "Holder."

        (c) The Option shall terminate upon the earlier to occur of (i) the
Effective Time (as such term is defined in the Merger Agreement) or (ii) 12
months following the termination of the Merger Agreement in accordance with its
terms under any circumstances; provided, however, that if the Option is
exercisable but cannot be exercised by reason of any applicable government order
or because the waiting period related to the issuance of the Option Shares under
the HSR Act shall not have expired or been terminated, or because any other
condition to closing under Section 3 hereof has not been satisfied, then the
Option shall not terminate until the tenth business day after all such
impediments to exercise shall have been removed or shall have become final and
not subject to appeal.

        (d) Company shall pay all expenses, and any and all United States
federal, state and local taxes and other charges that may be payable in
connection with the preparation, issue and delivery of stock certificates under
this Section 2.

        (e) This Agreement (and the Option granted hereby) are exchangeable,
without expense, at the option of Holder, upon presentation and surrender of
this Agreement at the principal office of Company, for other Agreements
providing for Options of different denominations entitling the holder thereof to
purchase, on the same terms and subject to the same conditions as are set forth
herein, in the aggregate the same number of Company Shares purchasable
hereunder. The terms "Agreement" and "Option" as used herein include any Stock



Option Agreements and related Options for which this Agreement (and the Option
granted hereby) may be exchanged. Upon receipt by Company of evidence reasonably
satisfactory to it of the loss, theft, destruction or mutilation of this
Agreement, and (in the case of loss, theft or destruction) of reasonably
satisfactory indemnification, and upon surrender and cancellation of this
Agreement, if mutilated, Company will execute and deliver a new Agreement of
like tenor and date.

        (f) If the sum of (i) any Termination Fee received by Parent under
Section 7.3(b) of the Merger Agreement plus (ii) the proceeds received by Holder
for any sales or other dispositions of Option Shares in excess of Holder's
purchase price for such Option Shares plus (iii) the proceeds received by Holder
for any sales or other dispositions of the Option (including pursuant to
Parent's exercise of its rights to surrender the Option pursuant to Section 9
hereof), plus (iv) any dividends or distributions received by Parent declared on
Option Shares is, in the aggregate, greater than $65.0 million (such cumulative
amount, the "Profit Cap"), then all such proceeds received by Parent in excess
of the Profit Cap shall be promptly remitted in cash by Parent to Company.

     3. Conditions to Closing. The obligation of Company to issue Option Shares
        ---------------------
to Holder hereunder is subject to the conditions that (a) any waiting period
under the HSR Act applicable to the issuance of the Option Shares hereunder
shall have expired or been terminated; (b) all material consents, approvals,
orders or authorizations of, or registrations, declarations or filings with, any
Governmental Entity, if any, required in connection with the issuance of the
Option Shares hereunder shall have been obtained or made, as the case may be;
and (c) no preliminary or permanent injunction or other order by any court of
competent jurisdiction prohibiting or otherwise restraining such issuance shall
be in effect. It is understood and agreed that at any time during which Holder
shall be entitled to deliver to Company an Exercise Notice, the parties will use
their respective reasonable efforts to satisfy all conditions to Closing, so
that a Closing may take place as promptly as practicable.

     4. Closing. At any Closing, (a) Company shall deliver to Holder a
        -------
certificate in definitive form representing the number of Company Shares
designated by Holder in its Exercise Notice consistent with this Agreement, such
certificate to be registered in the name of Holder and to bear the legend set
forth in Section 11 hereof, against delivery of (b) payment by Holder to Company
of the aggregate Exercise Price for the Company Shares so designated and being
purchased by delivery of a certified check, bank check or wire transfer of
immediately available funds.

     5. Representations and Warranties of Company. Company represents and
        -----------------------------------------
warrants to Parent that (a) Company is a corporation duly organized, validly
existing and in good standing under the laws of the State of Delaware and has
the corporate power and authority to enter into this Agreement and to carry out
its obligations hereunder; (b) the execution and delivery of this Agreement by
Company and consummation by Company of the transactions contemplated hereby have
been duly authorized by all necessary corporate action on the part of Company
and no other corporate proceedings on the part of Company are necessary to
authorize this Agreement or any of the transactions contemplated hereby; (c)
this Agreement has been duly executed and delivered by Company and constitutes
the legal, valid and binding obligation of Company and, assuming this Agreement
has been duly executed and delivered by Parent, is



enforceable against Company in accordance with its terms, except as
enforceability may be limited by bankruptcy and other similar laws affecting the
rights of creditors generally and general principles of equity; (d) except for
any filings, authorizations, approvals or orders required under the HSR Act and
the applicable blue sky laws of any state, and the rules and regulations
promulgated thereunder, or by the Nasdaq Stock Market, Company has taken all
necessary corporate and other action to authorize and reserve for issuance and
to permit it to issue upon exercise of the Option, and at all times from the
date hereof until the termination of the Option will have reserved for issuance,
a sufficient number of unissued Company Shares for Parent to exercise the Option
in full and will take all necessary corporate or other action to authorize and
reserve for issuance all additional Company Shares or other securities which may
be issuable pursuant to Section 8(a) upon exercise of the Option, all of which,
upon their issuance and delivery in accordance with the terms of this Agreement
and payment therefor by Parent, will be validly issued, fully paid and
nonassessable; (e) upon delivery of the Company Shares and any other securities
to Parent upon exercise of the Option, Parent will acquire such Company Shares
or other securities free and clear of all Encumbrances, excluding those imposed
by Parent; (f) the execution and delivery of this Agreement by Company do not,
and the performance of this Agreement by Company will not, (i) violate the
Certificate of Incorporation or Bylaws of Company, (ii) conflict with or violate
any order applicable to Company or any of its subsidiaries or by which they or
any of their material property is bound or affected or (iii) result in any
breach of or constitute a default (or an event which with notice or lapse of
time or both would become a default) under, or give rise to any right of
termination, amendment, acceleration or cancellation of, or result in the
creation of a material Encumbrance on any material property or assets of Company
or any of its subsidiaries pursuant to, any material contract or agreement to
which Company or any of its subsidiaries is a party or by which Company or any
of its subsidiaries or any of their material property is bound or affected; and
(g) the execution and delivery of this Agreement by Company does not, and the
performance of this Agreement by Company will not, require any consent,
approval, authorization or permit of, or filing with, or notification to, any
Governmental Entity, except pursuant to the HSR Act and except for any filings
required under the blue sky laws of any state and the rules and regulations
promulgated thereunder or by the Nasdaq Stock Market.

     6. Representations and Warranties of Parent. Parent represents and warrants
        ----------------------------------------
to Company that (i) the execution and delivery of this Agreement by Parent and
the consummation by it of the transactions contemplated hereby have been duly
authorized by all necessary corporate action on the part of Parent and this
Agreement has been duly executed and delivered by a duly authorized officer of
Parent and will constitute a legal, valid and binding obligation of Parent and,
assuming this Agreement has been duly executed and delivered by Parent, is
enforceable against Company in accordance with its terms, except as
enforceability may be limited by bankruptcy and other similar laws affecting the
rights of creditors generally and general principles of equity; and (ii) Parent
is acquiring the Option, and, if and when the Parent exercises the Option, it
will be acquiring the Option Shares issuable upon the exercise thereof for its
own account and not with a view to distribution or resale in any manner which
would be in violation of the Securities Act of 1933, as amended (the "Securities
Act").



     7. Registration Rights.
        -------------------

        (a) Following the termination of the Merger Agreement, Holder may by
written notice (a "Registration Notice") to Company (sometimes referred to
herein as the "Registrant") request the Registrant to promptly prepare, file and
keep current a shelf registration statement under the Securities Act covering
this Option and any shares issued and issuable pursuant to this Option and
Company shall use reasonable best efforts to cause such registration statement
to become effective, as promptly as practicable, and keep such registration
statement current in order to permit the sale or other disposition of this
Option and any Option Shares (such Option Shares, together with any other shares
of Company's capital stock issuable in lieu of or with respect to such Option
Shares, the "Registrable Securities") in accordance with any plan of disposition
requested by Holder. Company shall use its reasonable best efforts to cause such
registration statement to become effective and remain effective for such period
not in excess of 180 days from the date such registration statement first
becomes effective or such shorter time as may be necessary to effect such sales
or other dispositions.

        (b) (i) Holder shall not be entitled to more than two effective
registrations hereunder; provided that no registration of Registrable Securities
shall be deemed to be a registration for purposes of this clause (i) unless such
registration shall have become and remained effective pursuant to Section 7(a)
hereof; (ii) the Registrant will not be required to file any such registration
statement or maintain its effectiveness during any period of time (not to exceed
60 days in the aggregate) when (A) the Registrant is in possession of material
non-public information which it reasonably believes would be detrimental to be
disclosed at such time and such information would have to be disclosed if a
registration statement were filed or effective at that time; (B) the Registrant
is required under the Securities Act to include audited financial statements for
any period in such registration statement and such financial statements are not
yet available for inclusion in such registration statement; or (C) the
Registrant determines, in its good faith, reasonable judgment, that such
registration would materially interfere with any financing, acquisition or other
material transaction involving the Registrant; and (iii) the Registrant will not
be required to maintain the effectiveness of any such registration statement for
a period greater than 180 days. The Registrant shall use all reasonable best
efforts to cause any Registrable Securities registered pursuant to this Section
7 to be qualified for sale under the securities or blue sky laws of such
jurisdictions as Holder may reasonably request and shall continue such
registration or qualification in effect in such jurisdictions until Holder has
sold or otherwise disposed of all of the securities subject to the registration
statement; provided, however, that the Registrant shall not be required to
qualify to do business in, or consent to general service of process in, any
jurisdiction by reason of this provision.

        (c) The registration rights set forth in this Section 7 are subject to
the condition that Holder shall provide the Registrant with such information
with respect to Holder's Registrable Securities, the plan for distribution
thereof, and such other information with respect to Holder as, in the reasonable
judgment of counsel for the Registrant, is necessary to enable the Registrant to
include in a registration statement all material facts required to be disclosed
with respect to a registration thereunder, including the identity of Holder and
Holder's plan of distribution.



        (d) A registration effected under this Section 7 shall be effected at
the Registrant's expense, except for underwriting discounts and commissions and
the fees and expenses of counsel to Holder, and the Registrant shall use all
reasonable best efforts to: (i) provide such documentation (including
certificates, opinions of counsel and "comfort" letters from auditors) as are
customary in connection with underwritten public offerings and as an underwriter
may reasonably require, (ii) prepare and file with the SEC such amendments and
supplements to such registration statement and the prospectus used in connection
with such registration statements as may be necessary to comply with the
provisions of the Securities Act and (iii) furnish to Holder and to any
underwriter of such securities such number of copies of the final prospectus and
such other documents as Holder or underwriters may reasonably request. In
connection with any registration which Holder requests be underwritten, Holder
and the Registrant agree to enter into an underwriting agreement reasonably
acceptable to each such party, in form and substance customary for transactions
of this type with the underwriters participating in such offering.

        (e) Indemnification
            ---------------

            (i) The Registrant will indemnify Holder, each of Holder's directors
and officers and each person who controls Holder within the meaning of Section
15 of the Securities Act, and each underwriter of the Registrant's securities,
with respect to any registration, qualification or compliance which has been
effected pursuant to this Agreement, against all expenses, claims, losses,
damages or liabilities (or actions in respect thereof), including any of the
foregoing incurred in settlement of any action or litigation, commenced or
threatened (each, a "Damage Claim"), arising out of or based on (A) any untrue
statement (or alleged untrue statement) of a material fact contained in any
registration statement, prospectus, offering circular or other document, or any
amendment or supplement thereto, incident to any such registration,
qualification or compliance, (B) any omission (or alleged omission) to state
therein a material fact required to be stated therein or necessary to make the
statements therein, in light of the circumstances in which they were made, not
misleading, or (C) any violation by the Registrant of any rule or regulation
promulgated under the Securities Act, the Securities Exchange Act of 1934, as
amended, any federal or state securities law or any rule or regulation
promulgated under any of them applicable to the Registrant (each matter in
clause (A), (B) or (C), a "Violation"), in each case in connection with any such
registration, qualification or compliance, and the Registrant will reimburse
Holder and, each of its directors and officers and each person who controls
Holder within the meaning of Section 15 of the Securities Act, and each
underwriter for any legal and any other expenses reasonably incurred in
connection with investigating, preparing or defending any such Damage Claim,
provided that the Registrant will not be liable in any such case to the extent
that any such Damage Claim arises out of or is based on any untrue statement or
omission or alleged untrue statement or omission, made in reliance upon and in
conformity with written information furnished to the Registrant by Holder or
director or officer or controlling person or underwriter, and provided, further,
that the indemnity agreement contained in this Section 7(e)(i) shall not apply
to amounts paid in settlement of any such Damage Claim (including defense costs)
if such settlement is effected without the consent of the Registrant, which
consent shall not be unreasonably withheld.

            (ii) The Holder will indemnify the Registrant, each of the
Registrant's directors and officers and each underwriter of the Registrant's
securities covered by such




registration statement and each person who controls the Registrant within the
meaning of Section 15 of the Securities Act, against all Damage Claims arising
out of or based on any Violation in connection with any such registration,
qualification or compliance, and will reimburse the Registrant, such directors,
officers or control persons or underwriters for any legal or any other expenses
reasonably incurred in connection with investigating, preparing or defending any
such Damage Claim, in each case to the extent, but only to the extent, that such
Violation occurs in such registration statement, prospectus, offering circular
or other document in reliance upon and in conformity with written information
furnished to the Registrant by Holder expressly for use therein, provided that
in no event shall any indemnity under this Section 7(e)(ii) exceed the gross
proceeds of the offering received by Holder and provided, further that the
indemnity agreement contained in this Section 7(e)(ii) shall not apply to
amounts paid in settlement of any such Damage Claim (including defense costs) if
such settlement is effected without the consent of Holder, which consent shall
not be unreasonably withheld.

            (iii) Each party entitled to indemnification under this Section 7(e)
(the "Indemnified Party") shall give notice to the party required to provide
indemnification (the "Indemnifying Party") promptly after such Indemnified Party
has actual knowledge of any claim as to which indemnity may be sought, and shall
permit the Indemnifying Party to assume the defense of any such claim or any
litigation resulting therefrom, provided that counsel for the Indemnifying
Party, who shall conduct the defense of such claim or litigation, shall be
approved by the Indemnified Party (whose approval shall not unreasonably be
withheld), and the Indemnified Party may participate in such defense at such
party's expense; provided, however, that the Indemnifying Party shall pay such
expense if representation of the Indemnified Party by counsel retained by the
Indemnifying Party would be inappropriate due to actual or potential differing
interests between the Indemnified Party and any other party represented by such
counsel in such proceeding, and provided, further that the failure of any
Indemnified Party to give notice as provided herein shall not relieve the
Indemnifying Party of its obligations under this Section 7(e) unless the failure
to give such notice is materially prejudicial to an Indemnifying Party's ability
to defend such action. No Indemnifying Party, in the defense of any such claim
or litigation shall, except with the consent of each Indemnified Party, consent
to entry of any judgment or enter into any settlement which does not include as
an unconditional term thereof the giving by the claimant or plaintiff to such
Indemnified Party of a release from all liability in respect to such claim or
litigation. No Indemnifying Party shall be required to indemnify any Indemnified
Party with respect to any settlement entered into without such Indemnifying
Party's prior consent (which shall not be unreasonably withheld).

            (iv) If the indemnification provided for in this Section 7(e) is
held by a court of competent jurisdiction to be unavailable to an Indemnified
Party with respect to any Damage Claim, then the Indemnifying Party, in lieu of
indemnifying the Indemnified Party, shall contribute to the amount paid or
payable by such Indemnified Party with respect to such Damage Claim in the
proportion that is appropriate to reflect the relative fault of the Indemnifying
Party and the Indemnified Party in connection with the statements or omissions
that resulted in such Damage Claim, as well as any other relevant equitable
considerations. The relative fault of the Indemnifying Party and the Indemnified
Party shall be determined by reference to, among other things, whether the
untrue or alleged untrue statement of material fact or the omission to state a
material fact relates to information supplied by the Indemnifying Party or by
the Indemnified Party, and the parties' relative intent, knowledge, access to
information and opportunity to




correct or prevent such statement or omission. In any such case, (A) Holder will
not be required to contribute any amount in excess of the aggregate public
offering price of all such Registrable Securities offered and sold by Holder
pursuant to such registration statement; and (B) no person or entity guilty of
fraudulent misrepresentation (within the meaning of Section 11(f) of the
Securities Act) will be entitled to contribution from any person or entity who
was not guilty of such fraudulent misrepresentation.

     8. Adjustment Upon Changes in Capitalization; Rights Plans
        -------------------------------------------------------

        (a) In the event of any change in the Company Shares by reason of stock
dividends, stock splits, reverse stock splits, mergers (other than the Merger),
recapitalizations, combinations, exchanges of shares and the like, the type and
number of shares or securities subject to the Option and the Exercise Price
shall be adjusted appropriately, and proper provision shall be made in the
agreements governing such transaction so that Holder shall receive, upon
exercise of the Option, the number and class of shares or other securities or
property that Holder would have received in respect of the Company Shares if the
Option had been exercised immediately prior to such event or the record date
therefor, as applicable. Company shall use all reasonable best efforts to
promptly take all action necessary to protect the rights of Holder against
dilution.

        (b) Prior to such time as the Option is terminated, and at any time
after the Option is exercised (in whole or in part, if at all), Company shall
not (i) amend (nor permit the amendment of) its Company Rights Agreement nor
adopt (nor permit the adoption of) a new stockholders rights plan that contains
provisions for the distribution or exercise of rights thereunder as a result of
Holder or any affiliate or transferee being the beneficial owner of shares of
Company by virtue of the Option being exercisable or having been exercised (or
as a result of beneficially owning shares issuable in respect of any Option
Shares), or (ii) take any other action which would prevent or disable Holder
from exercising its rights under this Agreement or enjoying the full rights and
privileges possessed by other holders of Company Shares generally with respect
to the Option Shares obtained by Holder upon exercise of the Option.

     9. Surrender of Option. At any time following the occurrence of an Exercise
        -------------------
Event, Holder may, at its sole option and upon Holder's written request to
Company, surrender the Option, to the extent not previously exercised, to
Company in exchange for the payment by Company to Holder in immediately
available funds of an amount equal to the product of: (x) the excess, if any, of
(i) the greater of (A) the highest price per share paid or agreed to be paid by
an acquiring person for any Company Shares in the transaction that causes an
Exercise Event (or, in the event of a sale of all or a substantially portion of
Company's assets, the sum of the price paid for such assets and the current
market value of the remaining assets of Company, divided by the number of
Company Shares then outstanding (the value of any consideration other than cash
to be determined, in the case of consideration with a readily ascertainable
market value, by reference to such market value and, in any case where the
market value of the consideration is not so ascertainable, by agreement in good
faith between Holder and Company)) or (B) the highest closing sale price of
Company Shares on the Nasdaq Stock Market during the 30 day period ending with
the trading day immediately preceding the date of such request over (ii) the
Exercise Price, multiplied by (y) the total number of Option Shares as to which
the Option has not theretofore been exercised. Upon the delivery by Holder to
Company of a surrender request,



each party shall take all actions necessary to consummate such surrender
transaction as expeditiously as possible. Upon exercise of its right to
surrender the Option or any portion thereof and full payment therefor to Holder
pursuant to this Section 9, any and all rights of Holder with respect to the
portion of the Option so surrendered shall be terminated.

     10. Substitute Option. Company shall not enter into any Company Acquisition
         -----------------
unless the acquiring person or any person that controls such acquiring person,
as designated by Holder, assumes in writing all obligations of Company
hereunder.

     11. Restrictive Legends. Each certificate representing Option Shares issued
         -------------------
to Holder hereunder (other than certificates representing shares sold in a
registered public offering pursuant to Section 7) shall include a legend in
substantially the following form:

     THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
     UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY BE REOFFERED OR SOLD
     ONLY IF SO REGISTERED OR IF AN EXEMPTION FROM SUCH REGISTRATION IS
     AVAILABLE.

     12. Listing and HSR Filing. The Company, upon the request of Holder, shall
         ----------------------
promptly file an application to list the Company Shares to be acquired upon
exercise of the Option for quotation on the Nasdaq Stock Market and shall use
its reasonable efforts to obtain approval of such listing as soon as
practicable. Promptly after the date hereof, upon request by Holder, each of the
parties hereto shall file with the Federal Trade Commission and the Antitrust
Division of the United States Department of Justice all required premerger
notification and report forms and other documents and exhibits required to be
filed under the HSR Act ("HSR Filings") to permit the acquisition of the Company
Shares subject to the Option at the earliest possible date. In the event that
Holder does not exercise its rights to acquire Company Shares hereunder before
the expiration of the period for which permission has initially been granted
pursuant to the HSR Act, Company shall, upon request of Holder in connection
with Holder's election to exercise this option, promptly prepare and file all
additional HSR Filings to permit acquisition of the Company Shares subject to
the Option as soon as possible after delivery of the Exercise Notice and demand
by Holder for preparation and filing by Company of such additional HSR Filings.
All such fees and expense (other than fees and expenses for counsel to Holder)
in connection with such listing application or HSR Filings will be paid for by
Company.

     13. Binding Effect. This Agreement shall be binding upon and inure to the
         --------------
benefit of the parties hereto and their respective successors and permitted
assigns. Except as set forth in Sections 2(b) and 7, nothing contained in this
Agreement, express or implied, is intended to confer upon any person other than
the parties hereto and their respective successors and permitted assigns any
rights or remedies of any nature whatsoever by reason of this Agreement.

     14. Specific Performance; Fees.
         --------------------------

         (a) The parties hereto recognize and agree that if for any reason any
of the provisions of this Agreement are not performed in accordance with their
specific terms or are otherwise breached, immediate and irreparable harm or
injury would be caused for which money damages would not be an adequate remedy.
Accordingly, each party agrees that in addition to other remedies the other
party shall be entitled to an injunction restraining any violation or



threatened violation of the provisions of this Agreement or the right to enforce
any of the covenants or agreements set forth herein by specific performance. In
the event that any action shall be brought in equity to enforce the provisions
of the Agreement, neither party will allege, and each party hereby waives the
defense, that there is an adequate remedy at law.

         (b) If any action, suit or other proceeding (whether at law, in equity
or otherwise) is instituted concerning or arising out of this Agreement or any
transaction contemplated hereunder, the prevailing party shall recover, in
addition to any other remedy granted to such party therein, all such party's
costs and attorneys fees incurred in connection with the prosecution or defense
of such action, suit or other proceeding.

     15. Entire Agreement. This Agreement and the Merger Agreement (including
         ----------------
the appendices and exhibits thereto) constitute the entire agreement between the
parties with respect to the subject matter hereof and supersede all other prior
agreements and understandings, both written and oral, between the parties with
respect to the subject matter hereof.

     16. Further Assurances. Each party will execute and deliver all such
         ------------------
further documents and instruments and take all such further action as may be
necessary in order to consummate the transactions contemplated hereby.

     17. Severability. In the event that any provision of this Agreement or the
         ------------
application thereof, becomes or is declared by a court of competent jurisdiction
to be illegal, void or unenforceable, the remainder of this Agreement will
continue in full force and effect and the application of such provision to other
persons or circumstances will be interpreted so as reasonably to effect the
intent of the parties hereto. The parties further agree to replace such void or
unenforceable provision of this Agreement with a valid and enforceable provision
that will achieve, to the extent possible, the economic, business and other
purposes of such void or unenforceable provision.

     18. Notices. All notices and other communications hereunder shall be in
         -------
writing and shall be deemed duly given (i) on the date of delivery if delivered
personally, (ii) on the date of confirmation of receipt (or, the first business
day following such receipt if the date is not a business day) of transmission by
facsimile, or (iii) on the date of confirmation of receipt (or, the first
business day following such receipt if the date is not a business day) if
delivered by a nationally recognized courier service. Subject to the foregoing,
all notices hereunder shall be delivered as set forth below, or pursuant to such
other instructions as may be designated in writing by the party to receive such
notice:

         (a) if to Parent, to:

             VeriSign, Inc.
             487 East Middlefield Road
             Mountain View, California 94043
             Attention: James M. Ulam, General Counsel
             Facsimile No.: 650-426-5113




             with a copy to:

             Fenwick & West LLP
             Two Palo Alto Square
             Palo Alto, CA 94306
             Attention: Gordon K. Davidson
                        Douglas N. Cogen
                        Jeffrey R. Vetter

             Facsimile No.: 650-494-1417

         (b) if to Company, to:

             Illuminet Holdings, Inc.
             4501 Intelco Loop
             Lacey, Washington 98503
             Attention: Chief Executive Officer
             Facsimile No.: 360-923-3440

             with a copy to:

             Blackwell Sanders Peper Martin LLP
             Two Pershing Square
             2300 Main Street
             Suite 1000
             Kansas City, MO 14108
             Attention:  James M. Ash
                         Shari L. Wright
             Facsimile No.:  816-983-8080

     19. Governing Law. This Agreement shall be governed by and construed in
         -------------
accordance with the laws of the State of Delaware, regardless of the laws that
might otherwise govern under applicable principles of conflicts of law thereof.

     20. Counterparts. This Agreement may be executed in one or more
         ------------
counterparts, all of which shall be considered one and the same agreement and
shall become effective when one or more counterparts have been signed by each of
the parties and delivered to the other party, it being understood that all
parties need not sign the same counterpart.

     21. Expenses. Except as otherwise expressly provided herein or in the
         --------
Merger Agreement, all costs and expenses incurred in connection with the
transactions contemplated by this Agreement shall be paid by the party incurring
such expenses.

     22. Amendments; Waiver. This Agreement may be amended by the parties hereto
         ------------------
and the terms and conditions hereof may be waived only by an instrument in
writing signed on behalf of each of the parties hereto, or, in the case of a
waiver, by an instrument signed on behalf of the party waiving compliance.



     23. Assignment. Company may not sell, transfer, assign or otherwise dispose
         ----------
of any of its rights or obligations under this Agreement or the Option created
hereunder to any other person, without the express written consent of Parent.
The rights and obligations hereunder shall inure to the benefit of and be
binding upon any successor or permitted assign of a party hereto. No consent
shall be required in connection with a merger, consolidation, reorganization,
sale of substantially all assets or similar transaction with respect to a party
hereto. Any purported assignment in violation of this Section shall be void.

     24. Public Announcement. Company shall consult with Parent and Parent shall
         -------------------
consult with Company before issuing any press release with respect to the
initial announcement of this Agreement or the transactions contemplated hereby
and neither party shall issue any such press release prior to such consultation
except as may be required by law.

     25. Waiver Of Jury Trial. EACH OF PARENT AND COMPANY HEREBY IRREVOCABLY
         --------------------
WAIVES ALL RIGHT TO TRIAL BY JURY IN ANY ACTION, SUIT, PROCEEDING OR
COUNTERCLAIM (WHETHER BASED ON CONTRACT, TORT OR OTHERWISE) ARISING OUT OF OR
RELATING TO THIS AGREEMENT OR THE ACTIONS OF PARENT OR COMPANY IN THE
NEGOTIATION, ADMINISTRATION, PERFORMANCE AND ENFORCEMENT HEREOF.

                                    * * * * *



     IN WITNESS WHEREOF, the parties hereto have caused this Stock Option
Agreement to be executed by their duly authorized respective officers as of the
date first written above.

                                  VERISIGN, INC.


                                  By: /s/ Stratton D. Sclavos
                                      ------------------------------------------
                                  Name:  Stratton D. Sclavos
                                  Title:  President and Chief Executive Officer

                                  ILLUMINET HOLDINGS, INC.


                                  By: /s/ Roger H. Moore
                                      ------------------------------------------
                                  Name:  Roger H. Moore
                                  Title:  President and Chief Executive Officer