MCLEODUSA INC
S-4, EX-2.1, 2000-10-19
RADIOTELEPHONE COMMUNICATIONS
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                                                                  EXHIBIT 2.1

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                          AGREEMENT AND PLAN OF MERGER


                          Dated as of October 2, 2000,


                                  By and Among


                             MCLEODUSA INCORPORATED,


                            CACTUS ACQUISITION CORP.


                                       And


                          CAPROCK COMMUNICATIONS CORP.




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                                TABLE OF CONTENTS

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                                             ARTICLE I

                                             The Merger


SECTION 1.01.  The Merger........................................................................2
SECTION 1.02.  Closing...........................................................................2
SECTION 1.03.  Effective Time....................................................................2
SECTION 1.04.  Effects of the Merger.............................................................3
SECTION 1.05.  Articles of Incorporation and By-laws.............................................3
SECTION 1.06.  Board of Directors of the Surviving Corporation...................................3


                                             ARTICLE II

                          Effect of the Merger on the Capital Stock of the
                         Constituent Corporations; Exchange of Certificates


SECTION 2.01.  Effect on Capital Stock...........................................................4
          (a)  Capital Stock of Sub..............................................................4
          (b)  Cancelation of Treasury Stock and Parent-Owned Stock..............................4
          (c)  Conversion of Company Common Stock................................................4
          (d)  Anti-Dilution Provisions..........................................................4
          (e)  Options...........................................................................5
SECTION 2.02.  Exchange of Certificates..........................................................5
          (a)  Exchange Agent....................................................................5
          (b)  Exchange Procedure................................................................5
          (c)  Distributions with Respect to Unsurrendered Certificates..........................6
          (d)  No Further Ownership Rights in Company Common Stock...............................7
          (e)  No Fractional Shares..............................................................7
          (f)  Termination of Merger Consideration Obligation; No Liability......................7
          (g)  Lost Certificates.................................................................8
          (h)  Withholding Rights................................................................8


                                            ARTICLE III

                                   Representations and Warranties


SECTION 3.01.  Representations and Warranties of the Company.....................................9
          (a)  Organization, Standing and Power..................................................9


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          (b)  Subsidiaries.....................................................................10
          (c)  Capital Structure................................................................10
          (d)  Authority; Noncontravention......................................................12
          (e)  SEC Documents; Undisclosed Liabilities...........................................14
          (f)  Information Supplied.............................................................15
          (g)  Absence of Certain Changes or Events.............................................16
          (h)  Litigation.......................................................................17
          (i)  Compliance with Applicable Laws..................................................17
          (j)  Contracts........................................................................19
          (k)  Absence of Changes in Benefit Plans..............................................19
          (l)  ERISA Compliance.................................................................19
          (m)  Taxes............................................................................22
          (n)  Voting Requirements..............................................................24
          (o)  State Takeover Statutes..........................................................24
          (p)  Brokers..........................................................................24
          (q)  Opinion of Financial Advisor.....................................................24
          (r)  Intellectual Property............................................................25
SECTION 3.02.  Representations and Warranties of Parent and Sub.................................26
          (a)  Organization, Standing and Power.................................................26
          (b)  Capital Structure................................................................26
          (c)  Authority; Noncontravention......................................................30
          (d)  SEC Documents; Undisclosed Liabilities...........................................31
          (e)  Information Supplied.............................................................32
          (f)  No Material Adverse Change.......................................................33
          (g)  Litigation.......................................................................33
          (h)  Contracts........................................................................33
          (i)  Voting Requirements..............................................................33
          (j)  State Takeover Statutes..........................................................33
          (k)  Brokers..........................................................................34
          (l)  Capitalization of Sub; No Prior Activities of Sub................................34
          (m)  Taxes............................................................................34


                                             ARTICLE IV

                             Covenants Relating to Conduct of Business


SECTION 4.01.  Conduct of Business..............................................................34
          (a)  Conduct of Business by the Company...............................................34
          (b)  Other Actions....................................................................38
          (c)  Certain Tax Matters..............................................................38
          (d)  Advice of Changes................................................................39
SECTION 4.02.  No Solicitation..................................................................39


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                                             ARTICLE V

                                       Additional Agreements


SECTION 5.01.  Preparation of the Form S-4 and the Proxy Statement..............................43
SECTION 5.02.  Company Shareholders Meeting.....................................................44
SECTION 5.03.  Access to Information; Confidentiality...........................................44
SECTION 5.04.  Commercially Reasonable Efforts..................................................45
SECTION 5.05.  Company Stock Options............................................................46
SECTION 5.06.  Employee Benefit Plans; Existing Agreements......................................47
SECTION 5.07.  Indemnification, Exculpation and Insurance.......................................48
SECTION 5.08.  Fees and Expenses................................................................49
SECTION 5.09.  Public Announcements.............................................................50
SECTION 5.10.  Affiliates.......................................................................50
SECTION 5.11.  Nasdaq Quotation.................................................................51
SECTION 5.12.  Tax Treatment....................................................................51
SECTION 5.13.  Further Assurances...............................................................51
SECTION 5.14.  Transfer Taxes...................................................................51
SECTION 5.15.  Approvals........................................................................51
SECTION 5.16.  Consent of Noteholders...........................................................52
SECTION 5.17.  Notes Exchange Offer.............................................................53


                                             ARTICLE VI

                                        Conditions Precedent


SECTION 6.01.  Conditions to Each Party's Obligation To Effect the Merger.......................54
          (a)  Shareholder Approval.............................................................54
          (b)  HSR Act..........................................................................54
          (c)  Consents.........................................................................54
          (d)  No Restraints....................................................................54
          (e)  Form S-4.........................................................................54
          (f)  Nasdaq Quotation.................................................................55
SECTION 6.02.  Conditions to Obligations of Parent and Sub......................................55
          (a)  Representations and Warranties...................................................55
          (b)  Performance of Obligations of the Company........................................55
          (c)  Consent Solicitation.............................................................55
SECTION 6.03.  Conditions to Obligations of the Company.........................................55
          (a)  Representations and Warranties...................................................55
          (b)  Performance of Obligations of Parent and Sub.....................................56
          (c)  Tax Opinions.....................................................................56
          (d)  Financing Arrangements...........................................................56
SECTION 6.04.  Frustration of Closing Conditions................................................56


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                                            ARTICLE VII

                                 Termination, Amendment and Waiver


SECTION 7.01.  Termination......................................................................57
SECTION 7.02.  Effect of Termination............................................................58
SECTION 7.03.  Amendment........................................................................58
SECTION 7.04.  Extension; Waiver................................................................58


                                            ARTICLE VIII

                                         General Provisions


SECTION 8.01.  Nonsurvival of Representations and Warranties....................................59
SECTION 8.02.  Notices..........................................................................59
SECTION 8.03.  Definitions......................................................................60
SECTION 8.04.  Interpretation...................................................................62
SECTION 8.05.  Counterparts.....................................................................63
SECTION 8.06.  Entire Agreement; No Third-Party Beneficiaries...................................63
SECTION 8.07.  Governing Law....................................................................63
SECTION 8.08.  Assignment.......................................................................63
SECTION 8.09.  Enforcement......................................................................63



Annex I        Index of Defined Terms
Exhibit A      Form of Affiliate Letter
Exhibit B      Form of Company Tax Representation Letter
Exhibit C      Form of Parent Tax Representation Letter


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                    AGREEMENT AND PLAN OF MERGER (this "Agreement") dated as of
               October 2, 2000, among MCLEODUSA INCORPORATED, a Delaware
               corporation ("Parent"), CACTUS ACQUISITION CORP., a Delaware
               corporation and a wholly owned subsidiary of Parent ("Sub"), and
               CAPROCK COMMUNICATIONS CORP., a Texas corporation (the
               "Company").

          WHEREAS the respective Boards of Directors of Parent, Sub and the
Company have approved and declared advisable this Agreement and the merger of
Sub with and into the Company (the "Merger"), upon the terms and subject to
the conditions set forth in this Agreement, whereby each issued and
outstanding share of common stock, par value $0.01 per share, of the Company
(the "Company Common Stock"), other than any such shares directly owned by
Parent, Sub or the Company, will be converted into the right to receive
shares of Class A common stock, par value $0.01 per share, of Parent (the
"Parent Class A Common Stock");

          WHEREAS for U.S. Federal income tax purposes, it is intended that
(a) the Merger will qualify as a "reorganization" within the meaning of
Section 368(a) of the Internal Revenue Code of 1986, as amended (the "Code"),
and the rules and regulations promulgated thereunder, (b) Parent, Sub and the
Company will each be a "party" to such reorganization within the meaning of
Section 368(b) of the Code and (c) this Agreement is intended to constitute a
"plan of reorganization" for U.S. Federal income tax purposes;

          WHEREAS pursuant to the aforementioned "plan of reorganization" the
Company and Parent will undertake the actions described in Sections 5.16 and
5.17 of this Agreement;

          WHEREAS simultaneously with the execution and delivery of this
Agreement and as a condition and inducement to the willingness of Parent and
Sub to enter into this Agreement, Parent and certain shareholders of the
Company are entering into a voting agreement, certain shareholders of the
Company are entering into a voting agreement with Jere W. Thompson, Jr. and
Parent and certain shareholders of the Company are entering into a voting and
option agreement (collectively, the "Voting and Option Agreement") pursuant
to which, among other things, such shareholders have agreed to vote to
approve this Agreement and to take certain other actions in furtherance of
the Merger upon the terms and subject to the conditions set forth therein; and


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

          NOW, THEREFORE, in consideration of the representations,
warranties, covenants and agreements contained in this Agreement, the parties
hereto agree as follows:

                                    ARTICLE I

                                   The Merger

          SECTION 1.01. The Merger. Upon the terms and subject to the
conditions set forth in this Agreement, and in accordance with the General
Corporation Law of the State of Delaware (the "DGCL") and the Texas Business
Corporation Act (the "TBCA"), Sub shall be merged with and into the Company
at the Effective Time. At the Effective Time, the separate corporate
existence of Sub shall cease and the Company shall continue as the surviving
corporation (the "Surviving Corporation") and shall succeed to and assume all
the rights and obligations of Sub in accordance with the DGCL and the TBCA.

          SECTION 1.02. Closing. Upon the terms and subject to the conditions
set forth in this Agreement, the closing of the Merger (the "Closing") will
take place at 10:00 a.m. on the second Business Day after satisfaction or (to
the extent permitted by applicable law) waiver of the conditions set forth in
Article VI (other than those conditions that by their nature are to be
satisfied at the Closing, but subject to the satisfaction or waiver of those
conditions), at the offices of Cravath, Swaine & Moore, Worldwide Plaza, 825
Eighth Avenue, New York, New York 10019, unless another time, date or place
is agreed to by the parties hereto; provided, however, that if all the
conditions set forth in Article VI shall not have been satisfied or (to the
extent permitted by applicable law) waived on such second Business Day, then
the Closing will take place on the first Business Day on which all such
conditions shall have been satisfied or (to the extent permitted by
applicable law) waived. The date on which the Closing occurs is referred to
in this Agreement as the "Closing Date".

          SECTION 1.03. Effective Time. Upon the terms and subject to the
conditions set forth in this Agreement, as soon as practicable on or after
the Closing Date, a

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certificate of merger, articles of merger or other appropriate documents (in
any such case, the "Certificate of Merger") shall be duly prepared, executed
and acknowledged by the parties in accordance with the relevant provisions of
the DGCL and the TBCA and filed with the Secretaries of State of the State of
Delaware and the State of Texas. The Merger shall become effective at such
time as the Certificate of Merger is duly filed with the Secretary of State
of the State of Delaware and the Secretary of State of the State of Texas, or
at such other time as Parent and the Company shall agree and specify in the
Certificate of Merger. The time the Merger becomes effective is referred to
in this Agreement as the "Effective Time".

          SECTION 1.04. Effects of the Merger. The Merger shall have the
effects set forth in Section 259 of the DGCL and Article 5.06 of the TBCA.

          SECTION 1.05. Articles of Incorporation and By-laws. (a) The
Articles of Incorporation of the Company, as in effect immediately prior to
the Effective Time, shall be the Articles of Incorporation of the Surviving
Corporation until thereafter changed or amended as provided therein or by
applicable law; provided, however, Article IV of such Articles of
Incorporation shall be amended at the Effective Time as set forth below:

          (i) Article IV of such Articles of Incorporation shall be amended to
     read in its entirety as follows:

                                   "ARTICLE IV
                                     SHARES

               The aggregate number of shares which the Corporation shall have
          the authority to issue is one thousand (1,000) shares of common stock,
          par value of one cent ($.01) per share.".

          (b) The By-laws of the Company, as in effect immediately prior to
the Effective Time, shall be the By-laws of the Surviving Corporation until
thereafter changed or amended as provided therein or by applicable law.

          SECTION 1.06. Board of Directors of the Surviving Corporation. The
directors of Sub immediately prior to the Effective Time shall be the
directors of the Surviving Corporation, until the earlier of their death,
resignation or removal or until their respective successors are duly elected
and qualified, as the case may be.


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                                   ARTICLE II

                Effect of the Merger on the Capital Stock of the
               Constituent Corporations; Exchange of Certificates

          SECTION 2.01. Effect on Capital Stock. At the Effective Time, by
virtue of the Merger and without any action on the part of the holder of any
shares of capital stock of the Company, Parent or Sub:

          (a) Capital Stock of Sub. Each issued and outstanding share of
capital stock of Sub shall be converted into a validly issued, fully paid and
nonassessable share of common stock of the Surviving Corporation.

          (b) Cancelation of Treasury Stock and Parent-Owned Stock. Each
share of Company Common Stock that is directly owned by the Company, Sub or
Parent shall automatically be canceled and shall cease to exist, and no
consideration shall be delivered in exchange therefor.

          (c) Conversion of Company Common Stock. Subject to Section 2.02(e),
each share of Company Common Stock issued and outstanding immediately prior
to the Effective Time (other than shares to be canceled in accordance with
Section 2.01(b)) shall be converted into the right to receive 0.3876 (the
"Exchange Ratio") fully paid and nonassessable shares of Parent Class A
Common Stock (the "Merger Consideration"). At the Effective Time, all such
shares of Company Common Stock shall no longer be outstanding and shall
automatically be canceled and shall cease to exist, and each holder of a
certificate that immediately prior to the Effective Time represented any such
shares of Company Common Stock (a "Certificate") shall cease to have any
rights with respect thereto, except the right to receive the Merger
Consideration, certain dividends or other distributions in accordance with
Section 2.02(c) and any cash in lieu of fractional shares of Parent Class A
Common Stock to be issued or paid in consideration therefor upon surrender of
such Certificate in accordance with Section 2.02(e), in each case without
interest.

          (d) Anti-Dilution Provisions. In the event Parent changes (or
establishes a record date for changing) the number of shares of Parent Class
A Common Stock issued and outstanding prior to the Effective Time as a result
of a stock split, stock dividend, recapitalization, subdivision,
reclassification, combination, exchange of shares or similar transaction with
respect to the outstanding Parent Class A Common Stock and the record date
therefor shall be prior to the Effective Time, the Exchange Ratio shall be


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proportionately adjusted to reflect such stock split, stock dividend,
recapitalization, subdivision, reclassification, combination, exchange of
shares or similar transaction.

          (e) Options. The effect of the Merger on Company Stock Options is
set forth in Section 5.05.

          SECTION 2.02. Exchange of Certificates. (a) Exchange Agent. Prior
to the Effective Time, Parent shall designate Wells Fargo, or another bank or
trust company having (or whose parent has) net capital of not less than
$1,000,000,000 and that is reasonably acceptable to Parent and the Company,
to act as exchange agent (the "Exchange Agent") for the payment of the Merger
Consideration and shall deposit with the Exchange Agent at the Effective
Time, for the benefit of the holders of the Certificates, for exchange in
accordance with this Article II, through the Exchange Agent, certificates
representing shares of Parent Class A Common Stock issuable pursuant to
Section 2.01 upon surrender of the Certificates. Parent shall make available
to the Exchange Agent from time to time as required after the Effective Time
cash necessary to pay dividends and other distributions in accordance with
Section 2.02(c) and to make payments in lieu of any fractional shares of
Parent Class A Common Stock in accordance with Section 2.02(e).

          (b) Exchange Procedure. As soon as reasonably practicable after the
Effective Time, the Exchange Agent shall mail to each holder of record of a
Certificate (i) a form of letter of transmittal (which shall specify that
delivery shall be effected, and risk of loss and title to the Certificates
held by such person shall pass, only upon proper delivery of the Certificates
to the Exchange Agent and shall be in such form and have such other
provisions as Parent may reasonably specify) and (ii) instructions for use in
surrendering the Certificates in exchange for the Merger Consideration with
respect thereto. Upon surrender of a Certificate for cancelation to the
Exchange Agent, together with such letter of transmittal, duly completed and
validly executed, and such other documents as may reasonably be required by
the Exchange Agent pursuant to such letter of transmittal, the holder of such
Certificate shall be entitled to receive promptly in exchange therefor (x) a
certificate or certificates representing the number of whole shares of Parent
Class A Common Stock that such holder has the right to receive pursuant to
the provisions of this Article II, (y) certain dividends or other
distributions in respect of such Parent Class A Common Stock pursuant to
Section 2.02(c) and (z) cash in lieu of any fractional share of Parent Class
A Common Stock in accordance with

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Section 2.02(e), and the Certificate so surrendered shall forthwith be
canceled. In the event of a transfer of ownership of Company Common Stock
that is not registered in the transfer records of the Company, a certificate
representing the proper number of shares of Parent Class A Common Stock may
be issued to a person other than the person in whose name the Certificate so
surrendered is registered if such Certificate shall be properly endorsed or
otherwise be in proper form for transfer and the person requesting such
issuance shall pay any transfer or other taxes required by reason of the
issuance of shares of Parent Class A Common Stock to a person other than the
registered holder of such Certificate or establish to the reasonable
satisfaction of Parent that such tax has been paid or is not applicable.
Until surrendered as contemplated by this Section 2.02(b), each Certificate
shall be deemed at any time after the Effective Time to represent only the
right to receive upon such surrender the Merger Consideration that the holder
thereof has the right to receive pursuant to the provisions of this Article
II, certain dividends or other distributions in accordance with Section
2.02(c) and any cash in lieu of any fractional share of Parent Class A Common
Stock in accordance with Section 2.02(e). No interest shall be paid or shall
accrue on any cash payable upon surrender of any Certificate.

          (c) Distributions with Respect to Unsurrendered Certificates. No
dividends or other distributions declared or made with respect to Parent
Class A Common Stock with a record date after the Effective Time shall be
paid to the holder of any unsurrendered Certificate with respect to the
shares of Parent Class A Common Stock that such holder has the right to
receive upon surrender of such Certificate and no cash payment in lieu of any
fractional share of Parent Class A Common Stock shall be paid to any such
holder pursuant to Section 2.02(e) until the holder of record of such
Certificate shall surrender such Certificate in accordance with this Article
II. Subject to the effect of applicable abandoned property, escheat or
similar laws, following surrender of any such Certificate there shall be paid
to the record holder of any certificate representing whole shares of Parent
Class A Common Stock issued in exchange therefor, without interest, (i)
promptly after the time of such surrender, 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 Class A Common Stock and the
amount of any cash in lieu of a fractional share of Parent Class A Common
Stock to which such holder is entitled pursuant to Section 2.02(e) and (ii)
at the appropriate payment date, the amount of dividends or other
distributions with a record date after

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the Effective Time but prior to such surrender and with a payment date
subsequent to such surrender payable with respect to such whole shares of
Parent Class A Common Stock.

          (d) No Further Ownership Rights in Company Common Stock. All shares
of Parent Class A Common Stock issued upon the surrender for exchange of the
Certificates in accordance with the terms of this Article II (including any
cash paid pursuant to this Article II) shall be deemed to have been issued
(and paid) in full satisfaction of all rights pertaining to the shares of
Company Common Stock previously represented by such Certificates. At the
close of business on the day on which the Effective Time occurs, the stock
transfer books of the Company shall be closed and there shall be no further
registration of transfers on the stock transfer books of the Surviving
Corporation of the 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 or the Exchange Agent
for transfer or any other reason, they shall be canceled and exchanged as
provided in this Article II.

          (e) No Fractional Shares. (i) No certificates or scrip representing
fractional shares of Parent Class A Common Stock shall be issued upon the
surrender for exchange of the Certificates, no dividend or distribution of
Parent shall relate to such fractional share interests and such fractional
share interests shall not entitle the owner thereof to vote or to any rights
of a shareholder of Parent.

          (ii) Notwithstanding any other provision of this Agreement, each
holder of shares of Company Common Stock exchanged pursuant to the Merger who
would otherwise have been entitled to receive a fraction of a share of Parent
Class A Common Stock shall receive, in lieu thereof, cash (without interest)
in an amount, less the amount of any withholding taxes that may be required
thereon, equal to such fractional part of a share of Parent Class A Common
Stock multiplied by the per share closing price of Parent Class A Common
Stock on the Closing Date, as such price is quoted on The Nasdaq National
Market ("Nasdaq"). For purposes of this Section 2.02(e), all fractional
shares to which a single record holder of Company Common Stock would
otherwise be entitled shall be aggregated and calculations shall be rounded
to three decimal places.

          (f) Termination of Merger Consideration Obligation; No Liability.
Any portion of the Merger Consideration which remains undistributed to the
holders of Company Common Stock for one year after the Effective Time

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<PAGE>

shall be delivered to Parent, upon demand. Any holders of Company Common
Stock who have not theretofore complied with this Article II shall thereafter
look only to Parent for the shares of Parent Class A Common Stock to which
they are entitled pursuant to Section 2.01, any dividends or other
distributions with respect to Parent Class A Common Stock to which they are
entitled pursuant to Section 2.02(c) and any cash in lieu of fractional
shares of Parent Class A Common Stock to which they are entitled pursuant to
Section 2.02(e). None of Parent, Sub, the Company or the Exchange Agent shall
be liable to any person in respect of any Merger Consideration, any dividends
or distributions with respect thereto or any cash in lieu of fractional
shares of Parent Class A Common Stock, in each case delivered to a public
official pursuant to any applicable abandoned property, escheat or similar
law. If any Certificate shall not have been surrendered prior to two years
after the Effective Time (or immediately prior to such earlier date on which
any Merger Consideration, any dividends or distributions payable to the
holder of such Certificate or any cash payable in lieu of fractional shares
of Parent Class A Common Stock pursuant to this Article II, would otherwise
escheat to or become the property of any Governmental Entity), any such
Merger Consideration, dividends or distributions in respect thereof or such
cash shall, to the extent permitted by applicable law, become the property of
Parent, free and clear of all claims or interest of any person previously
entitled thereto.

          (g) Lost Certificates. If any Certificate shall have been lost,
stolen or destroyed, upon the making of an affidavit of that fact by the
person claiming such Certificate to be lost, stolen or destroyed and, if
required by the Exchange Agent or Parent, the posting by such person of a
bond in such reasonable amount as it may reasonably direct as indemnity
against any claim that may be made against Parent, the Company or the
Exchange Agent with respect to such Certificate, the Exchange Agent shall
issue in exchange for such lost, stolen or destroyed Certificate the Merger
Consideration, any unpaid dividends and distributions in respect thereof and
any cash in lieu of fractional shares of Parent Class A Common Stock, in each
case pursuant to this Agreement.

          (h) Withholding Rights. Parent, Sub or the Exchange Agent shall be
entitled to deduct and withhold from the consideration otherwise payable
pursuant to this Agreement to any holder of shares of Company Common Stock
such amounts as Parent, Sub or the Exchange Agent is required to deduct and
withhold with respect to the making of such payment under the Code, or any
provision of state,

                                                                               9

<PAGE>

local or foreign tax law. To the extent that amounts are so withheld and paid
over to the appropriate taxing authority by Parent, Sub or the Exchange Agent,
such withheld amounts shall be treated for all purposes of this Agreement as
having been paid to the holder of the shares of Company Common Stock in respect
of which such deduction and withholding was paid by Parent, Sub or the Exchange
Agent.


                                   ARTICLE III

                         Representations and Warranties

          SECTION 3.01. Representations and Warranties of the Company. Except
as expressly set forth on the disclosure schedule (with specific reference to
the Section or Subsection of this Agreement to which the information stated
in such disclosure relates and such other Sections or Subsections to the
extent a matter is disclosed in such a way as to make its relevance to such
other Section or Subsection readily apparent) delivered by the Company to
Parent prior to the execution of this Agreement (the "Company Disclosure
Schedule") or the Company Filed SEC Documents, the Company represents and
warrants to Parent and Sub as follows:

          (a) Organization, Standing and Power. Each of the Company and its
Subsidiaries is (i) duly organized, validly existing and in good standing
under the laws of the jurisdiction in which it is organized, (ii) has the
requisite corporate, company or partnership power and authority to carry on
its business as now being conducted and (iii) is duly qualified or licensed
to do business and is in good standing in each jurisdiction in which the
nature of its business or the ownership, leasing or operation of its
properties makes such qualification or licensing necessary, other than
(except in the case of clauses (i) and (ii) above with respect to the
Company) where the failure to be so organized, existing, qualified or
licensed or in good standing individually or in the aggregate could not
reasonably be expected to have a Material Adverse Effect on the Company. The
Company has made available to Parent and its Representatives prior to the
execution of this Agreement true and complete copies of its Articles of
Incorporation and By-laws and the certificate of incorporation and by-laws
(or similar organizational documents) of each Subsidiary of the Company, in
each case as amended to the date of this Agreement. The Company has made
available to Parent and its Representatives true and complete copies of the
minutes of all meetings of the shareholders of the Company, the Board


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<PAGE>

of Directors of the Company and each committee of the Board of Directors of
the Company.

          (b) Subsidiaries. Section 3.01(b) of the Company Disclosure
Schedule sets forth a true and complete list of all the Subsidiaries of the
Company as of the date of this Agreement. All the outstanding shares of
capital stock of, or other equity or voting interests in, each Subsidiary of
the Company have been validly issued and are fully paid and nonassessable and
are owned directly or indirectly by the Company, free and clear of all Liens
and free of any restriction on the right to vote, sell or otherwise dispose
of such capital stock or other equity or voting interests. Except for the
capital stock of, or other equity or voting interests in, its Subsidiaries,
the Company does not beneficially own directly or indirectly any capital
stock or other equity or voting interest in any person.

          (c) Capital Structure. The authorized capital stock of the Company
consists of 200,000,000 shares of Company Common Stock and 20,000,000 shares
of preferred stock, par value $0.01 per share (the "Company Preferred
Stock"). As of the close of business on September 30, 2000, (i) 38,729,536
shares of Company Common Stock (excluding shares held by the Company as
treasury shares, but including 65,000 shares of restricted stock which the
Company has requested that the Company's transfer agent issue, but which have
not been issued as of the date hereof) were issued and outstanding, (ii)
30,314 shares of Company Common Stock were held by the Company as treasury
shares, (iii) 400,000 shares of Company Common Stock were reserved for
issuance under the 1998 Director Stock Option Plan and 7,745,907 shares of
Company Common Stock were reserved for issuance under the 1998 Equity
Incentive Plan, which amount is calculated pursuant to the 1998 Equity
Incentive Plan and is equal to 20% of the shares of Company Common Stock
issued and outstanding on October 1, 2000 (subject to adjustment as provided
in the 1998 Equity Incentive Plan), provided, however, that in no event will
more than 50,000,000 shares of Company Common Stock be reserved for issuance
under the 1998 Equity Incentive Plan; of which 6,843,946 shares of Company
Common Stock were subject to outstanding Company Stock Options (including
340,570 shares of Company Common Stock that are subject to Company Stock
Options originally granted under the CapRock Telecommunications Nonqualified
Stock Option Plan, the CapRock Services Employee Incentive Stock Option Plan,
the CapRock Services 1997 Stock Option Plan and the CapRock Services 1997
Director Stock Option Plan and which were assumed by the Company) and (iv) no
shares of Company Preferred Stock were issued and outstanding or were held by
the Company as treasury shares.



                                                                             11
<PAGE>

The Company has delivered to Parent a true and complete list, as of the close
of business on September 30, 2000, of all outstanding Company Stock Options,
the number of shares of Company Common Stock subject to each such Company
Stock Option, the grant dates and exercise prices of each such Company Stock
Option, the vesting schedule of each Company Stock Option and the names of
the holders thereof. Except as set forth above, as of the close of business
on September 30, 2000, no shares of capital stock of, or other equity or
voting interests in, the Company or options, warrants or other rights to
acquire any such stock, securities or interests were issued, reserved for
issuance or outstanding. During the period from September 30, 2000, to the
date of this Agreement, (x) there have been no issuances by the Company or
any of its Subsidiaries of shares of capital stock of, or other equity or
voting interests in, the Company or any of its Subsidiaries other than
issuances of shares of Company Common Stock pursuant to the exercise of
Company Stock Options outstanding on such date as required by their terms as
in effect on the date of this Agreement and (y) there have been no issuances
by the Company or any of its Subsidiaries of options, warrants or other
rights to acquire shares of capital stock of, or other equity or voting
interests in, the Company or any of its Subsidiaries. There are no
outstanding stock appreciation rights, performance units or rights (other
than the Company Stock Options) to receive shares of Company Common Stock on
a deferred basis or otherwise linked to the price of Company Common Stock
granted under the Company Stock Plans or otherwise. All outstanding shares of
capital stock of the Company are, and all shares that may be issued pursuant
to the Company Stock Plans will be, when issued in accordance with the terms
thereof, duly authorized, validly issued, fully paid and nonassessable and
not subject to preemptive rights. There are no bonds, debentures, notes or
other indebtedness of the Company or any of its Subsidiaries, and, except as
set forth above, no securities or other instruments or obligations of the
Company or any of its Subsidiaries, in each case having the right to vote (or
convertible into, or exchangeable for, securities having the right to vote)
on any matters on which shareholders of the Company or any of its
Subsidiaries may vote, except for any Company Stock Options issued after the
date hereof in accordance with Section 4.01. Except as set forth above or as
otherwise contemplated herein, there are no Contracts to which the Company or
any of its Subsidiaries is a party or by which the Company or any of its
Subsidiaries is bound obligating the Company or any of its Subsidiaries to
issue, deliver or sell, or cause to be issued, delivered or sold, additional
shares of capital stock of, or other equity or voting interests in, or
securities convertible into, or


                                                                              12

<PAGE>


exchangeable or exercisable for, shares of capital stock of, or other equity
or voting interests in, the Company or any of its Subsidiaries or obligating
the Company or any of its Subsidiaries to issue, grant, extend or enter into
any such security, option, warrant, call, right or Contract. As of the date
of this Agreement, the issued and outstanding Subject Shares (as such term is
defined in the Voting and Option Agreement) represent at least a majority of
the shares of Company Common Stock on an outstanding basis. There are not
outstanding contractual obligations of the Company or any of its Subsidiaries
to (I) repurchase, redeem or otherwise acquire any shares of capital stock
of, or other equity or voting interests in, the Company or any of its
Subsidiaries or (II) vote or dispose of any shares of the capital stock of,
or other equity or voting interests in, the Company or any of its
Subsidiaries. As of the date of this Agreement, there are no irrevocable
proxies and no voting agreements to which the Company is a party with respect
to any shares of the capital stock of, or other equity or voting interests
in, the Company or any of its Subsidiaries.

          (d) Authority; Noncontravention. The Company has the requisite
corporate power and authority to execute and deliver this Agreement and, subject
to receipt of the Company Shareholder Approval, to consummate the transactions
contemplated hereby. The execution and delivery of this Agreement by the Company
and the consummation by the Company of the transactions contemplated by this
Agreement have been duly authorized by all necessary corporate action on the
part of the Company and no other corporate proceedings on the part of the
Company are necessary to approve this Agreement or to consummate the
transactions contemplated hereby, subject to the receipt of the consent of the
holders of the Notes referred to in Section 5.16 and, in the case of the
consummation of the Merger, to receipt of the Company Shareholder Approval. This
Agreement has been duly executed and delivered by the Company and constitutes
the legal, valid and binding obligation of the Company, enforceable against the
Company in accordance with its terms. The Board of Directors of the Company, at
a meeting duly called and held at which all directors of the Company were
present, duly and unanimously adopted resolutions (i) approving and declaring
advisable this Agreement, the Merger and the other transactions contemplated
hereby, (ii) declaring that it is in the best interests of the Company's
shareholders that the Company enter into this Agreement and consummate the
Merger on the terms and subject to the conditions set forth in this Agreement,
(iii) directing that this Agreement be submitted to a vote at a meeting of the
Company's shareholders and (iv) recommending that the Company's shareholders
approve



                                                                              13
<PAGE>

this Agreement. The execution and delivery of this Agreement do not, and the
consummation of the transactions contemplated by this Agreement and the
Voting and Option Agreement and compliance with the provisions hereof do not
and will not conflict with, or result in any violation or breach of, or
default (with or without notice or lapse of time, or both) under, or give
rise to a right of, or result in, termination, cancelation or acceleration of
any obligation or loss of a benefit under, or result in the creation of any
Lien upon any of the properties or assets of the Company or any of its
Subsidiaries under, or give rise to any increased, additional, accelerated or
guaranteed rights or entitlements under, any provision of (A) the Articles of
Incorporation or the By-laws of the Company or the comparable organizational
documents of any of its Subsidiaries, (B) any loan or credit agreement, note,
bond, debenture, mortgage, indenture, guarantee, lease or other contract,
commitment, agreement, instrument, arrangement, understanding, obligation,
undertaking, permit, concession, franchise, certificate, license or similar
authorization, whether oral or written (each, including all amendments
thereto, a "Contract"), applicable to the Company or any of its Subsidiaries
or their respective properties or assets or (C) subject to the governmental
filings and other matters referred to in the following sentence, any
judgment, order, decree, statute, law, ordinance, rule or regulation
applicable to the Company or any of its Subsidiaries or their respective
properties, operations or assets, other than, in the case of clauses (B) and
(C), any such conflicts, violations, breaches, defaults, rights, losses,
Liens or entitlements that individually or in the aggregate could not
reasonably be expected to have a Material Adverse Effect on the Company or
prevent or materially delay the consummation of the Merger. No consent,
approval, order or authorization of, action by or in respect of, or
registration, declaration or filing with, any Federal, state, local or
foreign government, any court, administrative, regulatory or other
governmental agency, commission or authority or any non-governmental
self-regulatory agency, commission or authority (each a "Governmental
Entity") is required by or with respect to the Company or any of its
Subsidiaries in connection with the execution and delivery of this Agreement
by the Company, or the consummation by the Company of the Merger or the other
transactions contemplated by this Agreement or the Voting and Option
Agreement, except for (1) the filing of a premerger notification and report
form by the Company under the Hart-Scott-Rodino Antitrust Improvements Act of
1976, as amended (the "HSR Act"); (2) the filing with the Securities and
Exchange Commission (the "SEC") of (A) a proxy statement relating to the
Company Shareholders Meeting (such proxy


                                                                              14
<PAGE>

statement, as amended or supplemented from time to time, the "Proxy
Statement"), and (B) such reports under Section 13(a), 13(d), 15(d) or 16(a)
of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), as
may be required in connection with this Agreement, the Voting and Option
Agreement and the transactions contemplated by this Agreement or the Voting
and Option Agreement; (3) the filing of the Certificate of Merger with the
Secretaries of State of the State of Delaware and the State of Texas and
appropriate documents with the relevant authorities of other states in which
the Company is qualified to do business; (4) filings with and approvals of
the Federal Communications Commission (the "FCC") as required under the
Communications Act of 1934, as amended (the "Communications Act"), and the
rules and regulations promulgated thereunder; (5) filings with and approvals
of any state public service commissions ("PUCs") or similar regulatory bodies
as required by applicable statutes, laws, rules, ordinances and regulations;
(6) filings with and approvals of the Federal Aviation Administration (the
"FAA") as required by applicable statutes, laws, rules, ordinances and
regulations; (7) filings with and approvals of foreign antitrust or
communications regulatory authorities; and (8) such other consents,
approvals, orders or authorizations the failure of which to be made or
obtained individually or in the aggregate could not reasonably be expected to
have a Material Adverse Effect on the Company or prevent or materially delay
the consummation of the Merger.

          (e) SEC Documents; Undisclosed Liabilities. The Company (or its
public predecessor) has filed all required reports, schedules, forms,
statements and other documents (including exhibits and all other information
incorporated therein) with the SEC since January 1, 1998 (collectively, the
"Company SEC Documents"). No Subsidiary of the Company is required to file
any report, schedule, form, statement or other document with the SEC. As of
their respective dates, the Company SEC Documents complied in all material
respects 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 promulgated thereunder applicable to such Company SEC
Documents, and none of the Company SEC Documents when filed contained any
untrue statement of a material fact or omitted to state a material fact
required to be stated therein or necessary in order to make the statements
therein, in light of the circumstances under which they were made, not
misleading. Except to the extent that information contained in any Company
SEC Document has been revised or superseded by a later filed Company SEC
Document, none of the Company SEC Documents contains any untrue statement of
a material


                                                                              15

<PAGE>


fact or omits 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 were made, not misleading. The financial
statements (including the related notes) included in the Company SEC
Documents comply as to form, as of their respective dates of filing with the
SEC, in all material respects with applicable accounting requirements and the
published rules and regulations of the SEC with respect thereto (the
"Accounting Rules"), have been prepared in accordance with generally accepted
accounting principles ("GAAP") (except, in the case of unaudited statements,
as permitted by the Accounting Rules) applied on a consistent basis during
the periods involved (except as may be indicated in the related notes) and
fairly present in all material respects the consolidated financial position
of the Company and its consolidated Subsidiaries as of the dates thereof and
the consolidated results of their operations and cash flows for the periods
then ended (subject, in the case of unaudited statements, to normal recurring
year-end audit adjustments). Neither the Company nor any of its Subsidiaries
has any liabilities or obligations of any nature (whether accrued, absolute,
contingent or otherwise) which individually or in the aggregate could
reasonably be expected to have a Material Adverse Effect on the Company.

          (f) Information Supplied. None of the information supplied or to be
supplied by the Company or any of its Subsidiaries specifically for inclusion
or incorporation by reference in (i) the registration statement on Form S-4
to be filed with the SEC by Parent in connection with the issuance of Parent
Class A Common Stock in the Merger (the "Form S-4") will, at the time the
Form S-4 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 to make the statements therein, in light of
the circumstances under which they are made, not misleading or (ii) the Proxy
Statement will, at the date it is first mailed to the Company's shareholders
or at the time of the Company Shareholders Meeting, 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
Proxy Statement will comply as to form in all material respects with the
requirements of the Exchange Act and the rules and regulations thereunder. No
representation or warranty is made by the Company with respect to statements
made or incorporated by reference in the Proxy Statement or the Form S-4
based on information supplied by Parent or Sub

                                                                             16
<PAGE>




specifically for inclusion or incorporation by reference in the Proxy Statement
or the Form S-4, as the case may be.

          (g) Absence of Certain Changes or Events. Except as disclosed in
the Company SEC Documents filed and publicly available prior to the date of
this Agreement (as amended to the date of this Agreement, the "Company Filed
SEC Documents"), since December 31, 1999, the Company and its Subsidiaries
have conducted their businesses only in the usual and ordinary course
consistent with past practice, and since such date there has not been (i) any
Material Adverse Change in the Company, (ii) any declaration, setting aside
or payment of any dividend or other distribution (whether in cash, stock,
property or otherwise) with respect to any of the Company's or any of its
Subsidiaries capital stock or any other equity interests or securities,
except for dividends or other distributions declared, set aside or paid by a
wholly owned Subsidiary of the Company to its parent, (iii) any purchase,
redemption or other acquisition of any shares of capital stock or any other
equity interests or securities of the Company (other than in connection with
the cashless exercises of Company Stock Options) or any of its Subsidiaries
or any rights, warrants, calls or options to acquire such shares or other
equity interests or securities, (iv) any split, combination or
reclassification of any of the Company's or any of its Subsidiaries' capital
stock or other equity interests or securities or any issuance or the
authorization of any issuance of any other securities in respect of, in lieu
of or in substitution for shares of capital stock or other equity interests
or securities of the Company or any of its Subsidiaries, (v) (A) any granting
by the Company or any of its Subsidiaries to any current or former director,
officer, employee or consultant of the Company or its Subsidiaries of any
increase in compensation, bonus or other benefits or any granting of any type
of compensation or benefits to an employee not previously receiving or
entitled to receive such type of compensation or benefit, except for normal
increases in cash compensation in the ordinary course of business consistent
with past practice or as was required under any agreement or Company Benefit
Plan in effect on December 31, 1999 and specifically identified on the
Company Disclosure Schedule, (B) any granting by the Company or any of its
Subsidiaries to any current or former director, officer, employee or
consultant of any right to receive any severance or termination pay, or
increases therein, other than in the ordinary course of business consistent
with past practice and consistent with the Company's current severance plans
in effect on the date hereof as specifically described in Section 3.01(g) of
the Company Disclosure Schedule, or (C) any entry by the Company or any of
its Subsidiaries into, or any amendments of,


                                                                              17


<PAGE>

(I) any employment (other than at-will), deferred compensation, consulting,
severance, termination or indemnification agreement or any other agreement,
plan or policy with or involving any current or former director, officer,
employee or consultant (collectively, the "Company Benefit Agreements") or
(II) any Company Benefit Plan, or (D) any amendment to, or modification of,
any Company Stock Option, (vi) any payment of any benefit or the grant or
amendment of any award (including in respect of stock options, stock
appreciation rights, performance units, restricted stock or other stock based
or stock related awards or the removal or modification of any restrictions in
any Company Benefit Agreement or Company Benefit Plan or any awards made
thereunder) except as required to comply with any applicable law or any
Company Benefit Agreement or Company Benefit Plan existing on December 31,
1999 or as described on the list delivered pursuant to the third sentence of
Section 3.01(c), (vii) any damage, destruction or loss, whether or not
covered by insurance, that individually or in the aggregate could reasonably
be expected to have a Material Adverse Effect on the Company, (viii) except
insofar as may have been required by a change in GAAP or applicable law, any
material change in financial or tax accounting methods, principles or
practices by the Company or any of its Subsidiaries, (ix) any material tax
election or any settlement or compromise of any material tax liability or
refund or (x) any revaluation by the Company or any of its Subsidiaries of
any of the material assets of the Company or any of its Subsidiaries.

          (h) Litigation. There is no suit, action, proceeding, claim,
grievance or investigation pending or, to the Knowledge of the Company,
threatened against or affecting the Company or any of its Subsidiaries that
individually or in the aggregate could reasonably be expected to have a
Material Adverse Effect on the Company nor is there any judgment, decree,
injunction, rule or order of any Governmental Entity or arbitrator
outstanding against the Company or any of its Subsidiaries that has had, or
that could reasonably be expected to have, individually or in the aggregate,
a Material Adverse Effect on the Company.

          (i) Compliance with Applicable Laws. (i) The Company and its
Subsidiaries hold all permits, licenses, variances, exemptions, orders,
registrations, certificates and approvals of all Governmental Entities which
are required for them to own, lease or operate their assets and to carry on
their businesses (the "Company Permits") except where the failure to hold
such Company Permits individually or in the aggregate could not reasonably be
expected to have a Material Adverse Effect on the Company. The Company and


                                                                              18
<PAGE>


its Subsidiaries are in compliance in all respects with the terms of the
Company Permits and all applicable statutes, laws, ordinances, rules and
regulations except where the failure to so comply individually or in the
aggregate could not reasonably be expected to have a Material Adverse Effect
on the Company. Except for the Company Permits with the FCC and any PUCs, the
Merger, in and of itself, would not cause the revocation or cancelation of
any Company Permit, except for any cancelation or revocation that
individually or in the aggregate could not reasonably be expected to have a
Material Adverse Effect on the Company. As of the date hereof, Section
3.01(i) of the Company Disclosure Schedule sets forth a true and complete
list of all Company Permits obtained from the FCC and any state PUC.

          (ii) Except as could not reasonably be expected to have
individually or in the aggregate a Material Adverse Effect on the Company,
the Company and its Subsidiaries are in compliance in all respects with all
applicable Environmental Laws, and the Company and its Subsidiaries have, and
are in compliance in all respects with, all permits required under any
applicable Environmental Law for the conduct of their respective businesses
except where the failure to so comply individually or in the aggregate could
not reasonably be expected to have a Material Adverse Effect on the Company.
Neither the Company nor any of its Subsidiaries has received any written
communication which is still in effect from any Governmental Entity or person
that alleges that the Company or any of its Subsidiaries is in violation of,
or subject to liability under, any Environmental Law, that individually or in
the aggregate could reasonably be expected to have a Material Adverse Effect
on the Company. To the Knowledge of the Company, neither the Company nor any
of its Subsidiaries has released, generated, treated, stored, disposed of or
transported Hazardous Materials, or arranged for any such activities, in a
manner that individually or in the aggregate could reasonably be expected to
result in a material liability of the Company.

          "Environmental Laws" means all Federal, state and local laws
(including common law), regulations, rules, ordinances, codes, decrees,
judgements and orders, in each case relating to pollution, protection of the
environment, natural resources or human health and safety.

          "Hazardous Materials" means (i) any petroleum or petroleum
byproducts, radon gas, asbestos in any form that is or could become friable,
urea formaldehyde foam insulation and (ii) any chemical, material, substance
or waste that is regulated pursuant to any Environmental Law.

                                                                              19
<PAGE>


          (j) Contracts. Neither the Company nor any of its Subsidiaries is
in violation or breach of or in default under (nor does there exist any
condition that upon the passage of time or the giving of notice or both would
cause such a violation or breach of or default under) any Contract to which
it is a party or by which it or any of its properties or assets is bound,
except for violations or defaults that individually or in the aggregate could
not reasonably be expected to have a Material Adverse Effect on the Company.
Since December 31, 1999 and prior to the date hereof, none of the Company or
its Subsidiaries has entered into any Contract with any Affiliate of the
Company that would have been required to be filed as an exhibit to the
Company's Annual Report on Form 10-K for the fiscal year ended December 31,
1999, had the Company been a party to such Contract as of December 31, 1999.
Neither the Company nor any of its Subsidiaries is a party to or bound by any
non-competition agreement or any other similar agreement or obligation which
purports to limit in any respect the manner in which, or the localities in
which, all or any portion of the business of the Company or its Subsidiaries,
is conducted (or of Parent following the Effective Time).

          (k) Absence of Changes in Benefit Plans. Since December 31, 1999,
there has not been any adoption or material amendment of any bonus, pension,
savings, profit sharing, deferred compensation, incentive compensation, stock
ownership, stock purchase, stock option, stock appreciation, phantom stock,
retirement, vacation, severance, disability, death benefit, hospitalization,
medical, welfare benefit or other plan, arrangement or understanding (whether
or not legally binding) providing compensation or benefits to any current or
former director, officer, employee or consultant of the Company or any of its
Subsidiaries (collectively, the "Company Benefit Plans"), or any material
change in any actuarial or other assumption used to calculate funding
obligations with respect to any Company Benefit Plan, or any material change
in the manner in which contributions to the Company Benefit Plan are made or
the basis on which such contributions are determined.

          (l) ERISA Compliance. (i) Section 3.01(l) of the Company Disclosure
Schedule sets forth a true and complete list of all the Company Benefit
Plans. With respect to the Company Benefit Plans, no liability has been
incurred and to the Knowledge of the Company there exists no condition or
circumstances in connection with which the Company or any of its Subsidiaries
could be subject to any liability that individually or in the aggregate could
reasonably be expected to have a Material Adverse Effect on the Company under
the Employee Retirement Income Security


                                                                             20


<PAGE>

Act of 1974, as amended ("ERISA"), the Code or any other applicable law.

          (ii) Each Company Benefit Plan has been administered in accordance
with its terms, except for any failures so to administer any Company Benefit
Plan that individually or in the aggregate could not reasonably be expected
to have a Material Adverse Effect on the Company. The Company, its
Subsidiaries and all the Company Benefit Plans are in compliance with the
applicable provisions of ERISA, the Code and all other applicable laws and
the terms of all applicable collective bargaining agreements, except for any
failures to be in such compliance that individually or in the aggregate could
not reasonably be expected to have a Material Adverse Effect on the Company.

          (iii) All Company Benefit Plans that are intended to be qualified
under Section 401(a) of the Code have received favorable determination
letters from the Internal Revenue Service with respect to "TRA" (as defined
in Section 1 of Rev. Proc. 91-66 or 93-39), to the effect that such Company
Benefit Plans are qualified and exempt from Federal income taxes under
Sections 401(a) and 501(a), respectively, of the Code, and no such
determination letter has been revoked nor, to the Knowledge of the Company,
has revocation been threatened, nor has any such Company Benefit Plan been
amended since the date of its most recent determination letter or application
therefor in any respect that individually or in the aggregate could
reasonably be expected to adversely affect its qualification. Except as
individually or in the aggregate could not reasonably be expected to have a
Material Adverse Effect on the Company, there is no pending or, to the
Knowledge of the Company, threatened litigation relating to the Company
Benefit Plans.

          (iv) Except as individually or in the aggregate could not
reasonably be expected to have a Material Adverse Effect on the Company, none
of the Company, any of its Subsidiaries or any person or entity that,
together with the Company or any of its Subsidiaries, is treated as a single
employer (a "Commonly Controlled Entity") under Section 414(b), (c), (m) or
(o) of the Code, has maintained, contributed to or been obligated to
contribute to any Company Benefit Plan that is subject to Title IV of ERISA
with respect to which the Company or any Commonly Controlled Entity has
unfunded liabilities based upon the assumptions utilized in the most recent
audited financial statements of the Company included in the Company Filed SEC
Documents under any Company Benefit Plan subject to ERISA. Neither the
Company nor any of its Subsidiaries, nor to the Knowledge of the Company, any
officer of the Company or any


                                                                              21

<PAGE>


of its Subsidiaries or any of the Company Benefit Plans that are subject to
ERISA, any trusts created thereunder or any trustee or administrator thereof,
has engaged in a "prohibited transaction" (as such term is defined in Section
406 of ERISA or Section 4975 of the Code), other than those exempt
transactions in respect of which the prohibitions of Section 4975(c) of the
Code do not apply by reason of Section 4975(d) of the Code, or any other
breach of fiduciary responsibility that could reasonably be expected to
subject the Company, any of its Subsidiaries or any officer of the Company or
any of its Subsidiaries to the tax or penalty on prohibited transactions
imposed by such Section 4975 or to any liability under Section 502(i) or
502(1) of ERISA, except for any such tax, penalty or liability that
individually or in the aggregate could not reasonably be expected to have a
Material Adverse Effect on the Company. Except as individually or in the
aggregate could not reasonably be expected to have a Material Adverse Effect
on the Company, all contributions and premiums required to be made under the
terms of any Company Benefit Plan as of the date hereof have been timely made
or have been reflected on the most recent consolidated balance sheet filed or
incorporated by reference in the Company Filed SEC Documents.

          (v) Except as individually or in the aggregate could not reasonably
be expected to have a Material Adverse Effect on the Company, each Company
Benefit Plan that is a welfare benefit plan, to the extent applicable,
complies in all material respects with the applicable requirements of Section
4980B(f) of the Code.

          (vi) The Company and its Subsidiaries are in compliance with all
Federal, state, local and foreign requirements regarding employment, except
for any failures to comply that individually or in the aggregate could not
reasonably be expected to have a Material Adverse Effect on the Company.
Neither the Company nor any of its Subsidiaries is a party to any collective
bargaining or other labor union contract applicable to persons employed by
the Company or any of its Subsidiaries and as of the date of this Agreement
no such collective bargaining agreement is being negotiated by the Company or
any of its Subsidiaries. There is no labor dispute, strike or work stoppage
against the Company or any of its Subsidiaries pending or, to the Knowledge
of the Company, threatened, which may interfere with the respective business
activities of the Company or any of its Subsidiaries, except where such
dispute, strike or work stoppage individually or in the aggregate could not
reasonably be expected to have a Material Adverse Effect on the Company. To
the Knowledge of the Company, none of the


                                                                              22
<PAGE>

Company, any of its Subsidiaries or any of their respective directors,
officers, employees or representatives has committed any unfair labor
practice in connection with the operation of the respective businesses of the
Company or any of its Subsidiaries, and there is no action, charge or
complaint against the Company or any of its Subsidiaries by the National
Labor Relations Board or any comparable governmental agency pending or
threatened in writing, in each case except where such practices, actions,
charges or complaints, individually or in the aggregate could not reasonably
be expected to have a Material Adverse Effect on the Company.

          (vii) (A) Except for the vesting of Company Stock Options (other
than those granted pursuant to Section 4.01(a)(ii)) and restricted shares of
Company Common Stock granted under the Company's 1998 Equity Incentive Plan
as required pursuant to the terms thereof upon consummation of the Merger or
the exercise of the option under the Voting and Option Agreement, no employee
of the Company or its Subsidiaries will be entitled to any additional
benefits or any acceleration of the time of payment or vesting of any
benefits under any Company Benefit Plan or Company Benefit Agreement as a
result of the transactions contemplated by this Agreement or the Voting and
Option Agreement, (B) no amount payable, or economic benefit provided, by the
Company or its Subsidiaries (including any acceleration of the time of
payment or vesting of any benefit) could be considered an "excess parachute
payment" under Section 280G of the Code and (C) no person is entitled to
receive any additional payment from the Company or its Subsidiaries or any
other person (a "Parachute Gross-Up Payment") in the event that the excise
tax under Section 4999 of the Code is imposed on such person.

          (m) Taxes. (i) Each of the Company and its Subsidiaries has filed
or has caused to be filed all tax returns and reports required to be filed by
it and all such returns and reports are complete and correct, or requests for
extensions to file such returns or reports have been timely filed, granted
and have not expired, except to the extent that such failures to file, to be
complete or correct or to have extensions granted that remain in effect
individually or in the aggregate are not reasonably likely to have a Material
Adverse Effect on the Company. The Company and each of its Subsidiaries has
paid or caused to be paid (or the Company has paid on its behalf) all taxes
shown as due on such returns and reports, and the most recent financial
statements contained in the Company Filed SEC Documents reflect an adequate
reserve for all taxes payable by the Company and its Subsidiaries (in
addition to

                                                                    23

<PAGE>

any reserve for deferred taxes established to reflect timing differences
between book and tax items) for all taxable periods and portions thereof
accrued through the date of such financial statements.

          (ii) No deficiencies for any taxes have been proposed, asserted or
assessed in writing against the Company or any of its Subsidiaries or any
Company Consolidated Group that are not adequately reserved for, except for
deficiencies that individually or in the aggregate are not reasonably likely
to have a Material Adverse Effect on the Company. All material assessments
for taxes due with respect to completed and settled examinations or any
concluded litigation have been fully paid. The Federal income tax returns of
the Company and its Subsidiaries consolidated in such returns have been
examined by the Internal Revenue Service or have closed by virtue of the
applicable statute of limitations for all years through 1994. There is no
currently effective agreement or other document extending, or having the
effect of extending, the period of assessment or collection of any taxes.

          (iii) Neither the Company nor any of its Subsidiaries has taken or
agreed to take any action or knows of any fact, agreement, plan or other
circumstance that is reasonably likely to prevent the Merger from qualifying
as a "reorganization" within the meaning of Section 368(a) of the Code.

          (iv) There are no material Liens for taxes (other than for taxes
not yet due and payable) on the assets of the Company or any of its
Subsidiaries.

          (v) No deduction of any amount that would otherwise be deductible
with respect to tax periods ending on or before the Effective Time could be
disallowed under Section 162(m) of the Code.

          (vi) Neither the Company nor any of its Subsidiaries has
constituted either a "distributing corporation" or a "controlled corporation"
in a distribution of stock qualifying for tax-free treatment under Section
355 of the Code (x) in the two years prior to the date of this Agreement or
(y) in a distribution which could otherwise constitute part of a "plan" or
"series of related transactions" (within the meaning of Section 355(e) of the
Code) in conjunction with the Merger.

          (vii) As used in this Agreement (1) "taxes" shall include all (x)
Federal, state, local or foreign income, property, sales, excise, use and
other taxes or similar


                                                                           24
<PAGE>

governmental charges, including any interest, penalties or additions with
respect thereto, (y) liability for the payment of any amounts of the type
described in clause (x) as a result of being a member of an affiliated,
consolidated, combined or unitary group, and (z) liability for the payment of
any amounts as a result of being party to any tax sharing agreement or as a
result of any express or implied obligation to indemnify any other person
with respect to the payment of any amounts of the type described in clause
(x) or (y) and (2) the "Company Consolidated Group" means any affiliated
group within the meaning of Section 1504(a) of the Code, in which the Company
(or any Subsidiary of the Company) is or has ever been a member.

          (n) Voting Requirements. The affirmative vote at the Company
Shareholder Meeting or any adjournment or postponement thereof of the holders
of a majority of the voting power of all outstanding shares of Company Common
Stock in favor of approving this Agreement (the "Company Shareholder
Approval") is the only vote of the holders of any class or series of the
Company's capital stock necessary to approve or adopt this Agreement. No
other approval of the shareholders of the Company is required with respect to
this Agreement or the transactions contemplated hereby.

          (o) State Takeover Statutes. The Company has elected in its
Articles of Incorporation not to be governed by Part Thirteen of the TBCA. To
the Knowledge of the Company, no other state takeover statute is applicable
to the Merger or the other transactions contemplated by this Agreement or the
Voting and Option Agreement.

          (p) Brokers. No broker, investment banker, financial advisor or
other person, other than Salomon Smith Barney, Inc., the fees, commissions
and expenses of which will be paid by the Company, is entitled to any
broker's, finder's, financial advisor's or other similar fee or commission,
or the reimbursement of expenses, in connection with the transactions
contemplated by this Agreement or the Voting and Option Agreement based upon
arrangements made by or on behalf of the Company. The Company has furnished
to Parent true and complete copies of all agreements under which any such
fees, commissions or expenses are payable and all indemnification and other
agreements related to the engagement of the persons to whom such fees,
commissions or expenses are payable.

          (q) Opinion of Financial Advisor. The Company has received the
opinion of Salomon Smith Barney, Inc., dated the date of this Agreement and
in customary form, to the effect that, as of such date, the Exchange Ratio is
fair


                                                                           25
<PAGE>

from a financial point of view to the shareholders of the Company (other than
Parent and its Affiliates), a signed copy of which has been or promptly will
be delivered to Parent.

          (r) Intellectual Property. (i) The Company and its Subsidiaries
own, or are validly licensed or otherwise have the right to use, all patents,
patent rights, trademarks, trade secrets, trade names, service marks,
copyrights, technology, know-how and other proprietary intellectual property
rights and computer programs (collectively, the "Intellectual Property
Rights") used in the business of the Company and its Subsidiaries, except for
such Intellectual Property Rights the failure of which to own, license or
otherwise have the right to use individually or in the aggregate could not
reasonably be expected to have a Material Adverse Effect on the Company.

          (ii) Neither the Company nor any of its Subsidiaries has interfered
with, infringed upon, misappropriated or otherwise come into conflict with
any Intellectual Property Rights of any other person except for any such
interference, infringement, misappropriation or other conflict that
individually or in the aggregate could not reasonably be expected to have a
Material Adverse Effect on the Company. Neither the Company nor any of its
Subsidiaries has received any written charge, complaint, claim, demand or
notice alleging any such interference, infringement, misappropriation or
other conflict (including any claim that the Company or any such Subsidiary
must license or refrain from using any Intellectual Property Rights or other
proprietary information of any other person) which has not been settled or
otherwise fully resolved. To the Company's Knowledge, no other person has
interfered with, infringed upon, misappropriated or otherwise come into
conflict with any Intellectual Property Rights of the Company or any of its
Subsidiaries except for any such interference, infringement, misappropriation
or other conflict that individually or in the aggregate could not reasonably
be expected to have a Material Adverse Effect on the Company.

          (iii) As the business of the Company and its Subsidiaries is
presently conducted and proposed to be conducted without giving effect to any
change with respect thereto that may be made by Parent, to the Company's
Knowledge, Parent's use after the Closing of the Intellectual Property Rights
which are material to the


                                                                           26
<PAGE>

conduct of the business of the Company and its Subsidiaries, taken as a
whole, will not interfere with, infringe upon, misappropriate or otherwise
come into conflict with the Intellectual Property Rights of any other person.

          SECTION 3.02. Representations and Warranties of Parent and Sub.
Except as expressly set forth on the disclosure schedule (with specific
reference to the Section or Subsection of this Agreement to which the
information stated in such disclosure relates and such other Sections or
Subsections to the extent a matter is disclosed in such a way as to make its
relevance to such other Section or Subsection readily apparent) delivered by
Parent to the Company prior to the execution of this Agreement (the "Parent
Disclosure Schedule") or the Parent Filed SEC Documents, Parent represents
and warrants to the Company as follows:

          (a) Organization, Standing and Power. Each of Parent and its
Subsidiaries is (i) duly organized, validly existing and in good standing
under the laws of the jurisdiction in which it is organized, (ii) has the
requisite corporate, company or partnership power and authority to carry on
its business as now being conducted and (iii) is duly qualified or licensed
to do business and is in good standing in each jurisdiction in which the
nature of its business or the ownership, leasing or operation of its
properties makes such qualification or licensing necessary, other than
(except in the case of clauses (i) and (ii) above with respect to Parent)
where the failure to be so organized, existing, qualified or licensed or in
good standing individually or in the aggregate could not reasonably be
expected to have a Material Adverse Effect on Parent. Parent has made
available to the Company and its Representatives prior to the execution of
this Agreement true and complete copies of its Amended and Restated
Certificate of Incorporation and Amended and Restated By-laws, in each case
as amended to the date of this Agreement.

          (b) Capital Structure. (i) The authorized capital stock of Parent
consists of 2,000,000,000 shares of Parent Class A Common Stock, 22,000,000
shares of Class B common stock, par value $0.01 per share (the "Parent Class
B Common Stock"), 2,000,000 shares of serial preferred stock, par value $0.01
per share (the "Parent Preferred Stock"), of which 1,150,000 shares have been
designated as 6.75% Series A Cumulative Convertible Preferred Stock (the
"Parent Series A Preferred Stock"), 275,000 shares have been designated as
Series B Cumulative Convertible Preferred Stock (the "Parent Series B
Preferred Stock") and 125,000


                                                                         27
<PAGE>

shares have been designated as Series C Convertible Preferred Stock (the
"Parent Series C Preferred Stock"), and 10,000,000 shares of Class II
preferred stock, par value $0.001 per share (the "Parent Class II Preferred
Stock"). As of the close of business on August 31, 2000, (i) 583,802,894
shares of Parent Class A Common Stock were issued and outstanding, (ii) no
shares of Parent Class A Common Stock were held by Parent as treasury shares,
(iii) 29,659,181 shares of Parent Class A Common Stock were reserved for
issuance upon the conversion of the Parent Series A Preferred Stock, (iv)
56,506,847 shares of Parent Class A Common Stock were reserved for issuance
upon the conversion of the Parent Series B Preferred Stock, (v) 25,684,930
shares of Parent Class A Common Stock were reserved for issuance upon the
conversion of the Parent Series C Preferred Stock, (vi) 307,448 shares of
Parent Class A Common Stock were reserved for issuance in connection with the
acquisition by Parent of Dakota Telecommunications Group, Inc. on March 5,
1999 (the "Dakota Acquisition Stock"), (vii) 240,000 shares of Parent Class A
Common Stock were reserved for issuance pursuant to stock option agreements
entered into in connection with the acquisition by Parent of the assets of
Noverr Publishing, Inc. on June 16, 1999 (the "Noverr Options"), (viii)
1,473,216 shares of Parent Class A Common Stock were reserved for issuance
pursuant to a Stock Option Agreement dated August 21, 1998 between Parent and
QST Enterprises, Inc. (the "QST Options"), (ix) 59,358 shares of Parent Class
A Common Stock were reserved for issuance pursuant to Stock Option Agreements
dated December 29, 1998, between Parent and certain stockholders of Inlet,
Inc. (the "Inlet Options"), (x) 229,029 shares of Parent Class A Common Stock
were reserved for issuance in connection with the Stock Option Agreement
dated January 28, 1998, between Parent and Diamond Partners Incorporated (the
"Diamond Partners Options"), (xi) up to 267,826,074 shares of Parent Class A
Common Stock were reserved for issuance pursuant to the 1992, 1993 and 1995
Incentive Stock Option Plans, the 1996 Employee Stock Option Plan, the
Directors' Stock Option Plan and other stock option grants (such plans and
arrangements, collectively, the "Parent Stock Plans"), of which 130,233,437
shares were subject to outstanding stock options or other rights to purchase
or receive shares of Parent Class A Common Stock (such stock options or other
rights, together with the Noverr Options, the QST Options, the Inlet Options
and the Diamond Partners Options, the "Parent Stock Options"), (xii)
3,691,797 shares of Parent Class A Common Stock were reserved for issuance
pursuant to the Employee Stock Purchase Plan (the "Parent ESPP"), (xiii)
4,696,856 shares of Parent Class A Common Stock were reserved for issuance
pursuant to the 401(k) Profit Sharing


                                                                            28
<PAGE>

Plan (the "Parent 401(k)"), (xiv) no shares of Parent Class B Common Stock
were issued and outstanding or were held by Parent as treasury shares, (xv)
7,804,128 shares of Parent Class B Common Stock were reserved for issuance
pursuant to the grant of options to a significant non-employee stockholder
(the "Parent Class B Options"), (xvi) 7,804,128 shares of Parent Class A
Common Stock were reserved for issuance upon the conversion of the shares of
Parent Class B Common Stock issued upon the exercise of the Parent Class B
Options, (xvii) 1,149,580 shares of Parent Series A Preferred Stock were
issued and outstanding, (xviii) 275,000 shares of Parent Series B Preferred
Stock were issued and outstanding, (xix) 125,000 shares of Parent Series C
Preferred Stock were issued and outstanding, (xx) no shares of Parent Series
A Preferred Stock, Parent Series B Preferred Stock or Parent Series C
Preferred Stock were held by Parent as treasury shares and (xxi) no shares of
Parent Class II Preferred Stock were issued and outstanding or were held by
Parent as treasury shares. Except as set forth above, as of the close of
business on August 31, 2000, no shares of capital stock of, or other equity
or voting interests in, Parent or options, warrants or other rights to
acquire any such stock, securities or interests were issued, reserved for
issuance or outstanding. During the period from August 31, 2000, to the date
of this Agreement, (x) there have been no issuances by Parent or any of its
Subsidiaries of shares of capital stock of, or other equity or voting
interests in, Parent other than issuances of shares of Parent Class A Common
Stock pursuant to the exercise of Parent Stock Options outstanding on such
date as required by their terms as in effect on the date of this Agreement or
the issuance of the Dakota Acquisition Stock and (y) except for issuances of
Parent Stock Options to employees in the ordinary course of business, there
have been no issuances by Parent or any of its Subsidiaries of options,
warrants or other rights to acquire shares of capital stock of, or other
equity or voting interests in, Parent, other than rights that may have arisen
under the Parent ESPP or the Parent 401(k). As of the date of this Agreement,
there are no outstanding stock appreciation rights, performance units or
rights (other than the Parent Stock Options, the Parent Class B Options and
any rights that may have arisen under the Parent ESPP or the Parent 401(k) or
in respect of the Dakota Acquisition Stock) to receive shares of Parent Class
A Common Stock or Parent Class B Common Stock on a deferred basis or
otherwise linked to the price of Parent Class A Common Stock granted under
the Parent Stock Plans or otherwise. All outstanding shares of capital stock
of Parent are, and all shares that may be issued pursuant to the Parent Stock
Plans, the Parent ESPP, the Parent 401(k) or the Parent Class B Options or in


                                                                           29
<PAGE>

connection with any acquisition described above for which shares have been
reserved will be, when issued in accordance with the terms thereof, duly
authorized, validly issued, fully paid and nonassessable and not subject to
preemptive rights. As of the date of this Agreement, there are no bonds,
debentures, notes or other indebtedness of Parent or any of its Subsidiaries,
and, except as set forth above, no securities or other instruments or
obligations of Parent or any of its Subsidiaries the value of which is in any
way based upon or derived from any capital or voting stock of Parent, in each
case having the right to vote (or convertible into, or exchangeable for,
securities having the right to vote) on any matters on which stockholders of
Parent or any of its Subsidiaries may vote, except for any Parent Stock
Options issued after the date hereof. Except as set forth above or as
otherwise contemplated herein, as of the date of this Agreement, there are no
Contracts to which Parent or any of its Subsidiaries is a party or by which
Parent or any of its Subsidiaries is bound obligating Parent or any of its
Subsidiaries to issue, deliver or sell, or cause to be issued delivered or
sold, additional shares of capital stock of, or other equity or voting
interests in, or securities convertible into, or exchangeable or exercisable
for, shares of capital stock of, or other equity or voting interests in,
Parent or any of its Subsidiaries or obligating Parent or any of its
Subsidiaries to issue, grant, extend or enter into any such security, option,
warrant, call, right or Contract. As of the date of this Agreement, there are
not outstanding contractual obligations of Parent or any of its Subsidiaries
to (I) repurchase, redeem or otherwise acquire any shares of capital stock
of, or other equity or voting interests in, Parent or any of its Subsidiaries
or (II) vote or dispose of any shares of the capital stock of, or other
equity or voting interests in, Parent or any of its Subsidiaries. As of the
date of this Agreement, there are no irrevocable proxies and no voting
agreements to which Parent is a party with respect to any shares of the
capital stock of, or other equity or voting interests in, Parent or any of
its Subsidiaries.

          (ii) Section 3.02(b)(ii) of the Parent Disclosure Schedule sets
forth a true and complete list of each of Parent's Subsidiaries as of the
date hereof. All the outstanding shares of capital stock of, or other equity
or voting interests in, each Subsidiary of Parent have been validly issued
and are fully paid and nonassessable and are owned directly or indirectly by
Parent, free and clear of any Liens and free of any restriction on the right
to vote, sell or otherwise dispose of such capital stock or other ownership
interests. Except for the capital stock or other ownership interests of its
Subsidiaries, as of the date


                                                                           30
<PAGE>

hereof, Parent does not beneficially own directly or indirectly any material
capital stock of, or other material equity or voting interest in, any person.

          (c) Authority; Noncontravention. Each of Parent and Sub has the
requisite corporate power and authority to execute and deliver this Agreement
and to consummate the transactions contemplated by this Agreement. The
execution and delivery of this Agreement by Parent and Sub and the
consummation by Parent and Sub of the transactions contemplated by this
Agreement have been duly authorized by all necessary corporate action on the
part of Parent and Sub, as applicable, and no other corporate proceedings on
the part of Parent are necessary to approve this Agreement or to consummate
the transactions contemplated hereby. This Agreement has been duly executed
and delivered by Parent and Sub and constitutes the legal, valid and binding
obligations of Parent and Sub, enforceable against Parent and Sub in
accordance with its terms. The Board of Directors of Parent, at a meeting
duly called and held at which all directors of Parent were present, duly and
unanimously adopted resolutions approving and declaring advisable this
Agreement, the Voting and Option Agreement, the Merger and other transactions
contemplated hereby or thereby. The execution and delivery of this Agreement
do not, and the consummation of the transactions contemplated by this
Agreement and the Voting and Option Agreement and compliance with the
provisions hereof and thereof do not and will not conflict with, or result in
any violation or breach of, or default (with or without notice or lapse of
time, or both) under, or give rise to a right of, or result in, termination,
cancelation or acceleration of any obligation or loss of a benefit under, or
result in the creation of any Lien upon any of the properties or assets of
Parent or any of its Subsidiaries under, or give rise to any increased,
additional, accelerated or guaranteed rights or entitlements under, any
provision of (A) the Amended or Restated Certificate of Incorporation or the
Amended and Restated By-laws of Parent or the comparable organizational
documents of any of its Subsidiaries, (B) any Contract applicable to Parent
or any of its Subsidiaries or their respective properties or assets or (C)
subject to the governmental filings and other matters referred to in the
following sentence, any judgment, order, decree, statute, law, ordinance,
rule or regulation applicable to Parent or any of its Subsidiaries or their
respective properties, operations or assets, other than, in the case of
clauses (B) and (C), any such conflicts, violations, breaches, defaults,
rights, losses, Liens or entitlements that individually or in the aggregate
could not reasonably be expected to have a Material Adverse Effect on Parent
or prevent or materially


                                                                            31
<PAGE>

delay the consummation of the Merger. No consent, approval, order or
authorization of, action by or in respect of, or registration, declaration or
filing with, any Governmental Entity is required by or with respect to Parent
or any of its Subsidiaries in connection with the execution and delivery of
this Agreement by Parent and Sub or the consummation by Parent and Sub of the
transactions contemplated by this Agreement or the Voting and Option
Agreement, except for (1) the filing of a premerger notification and report
form by Parent under the HSR Act; (2) the filing with the SEC of (A) the
Proxy Statement and the Form S-4, and (B) such reports under Section 13(a),
13(d), 15(d) or 16(a) of the Exchange Act, as may be required in connection
with this Agreement, the Voting and Option Agreement and the transactions
contemplated by this Agreement or the Voting and Option Agreement; (3) the
filing of the Certificate of Merger with the Secretaries of State of the
State of Delaware and the State of Texas and appropriate documents with the
relevant authorities of other states in which the Company is qualified to do
business; (4) filings with and approvals of the FCC as required under the
Communications Act, and the rules and regulations promulgated thereunder; (5)
such filings with and approvals of Nasdaq to permit the shares of Parent
Class A Common Stock that are to be issued in connection with the Merger to
be quoted on Nasdaq; (6) filings with and approvals of any state PUCs or
similar regulatory bodies as required by applicable statutes, laws, rules,
ordinances and regulations; (7) filings with and approvals of the FAA as
required by applicable statutes, laws, rules, ordinances and regulations; (8)
filings with and approvals of any foreign antitrust or communications
regulatory authorities; and (9) such other consents, approvals, orders or
authorizations the failure of which to be made or obtained individually or in
the aggregate could not reasonably be expected to have a Material Adverse
Effect on Parent or prevent or materially delay the consummation of the
Merger.

          (d) SEC Documents; Undisclosed Liabilities. Parent has filed all
required reports, schedules, forms, statements and other documents (including
exhibits and all other information incorporated therein) with the SEC since
January 1, 1998 (collectively, "Parent SEC Documents"). No Subsidiary of
Parent is required to file any report, schedule, form, statement or other
document with the SEC. As of their respective dates, Parent SEC Documents
complied in all material respects with the requirements of the Securities Act
or the Exchange Act, as the case may be, and the rules and regulations of the
SEC promulgated thereunder applicable to such Parent SEC Documents, and none
of the Parent SEC Documents when filed contained any untrue


                                                                            32
<PAGE>

statement of a material fact or omitted to state a material fact required to
be stated therein or necessary in order to make the statements therein, in
light of the circumstances under which they were made, not misleading. Except
to the extent that information contained in any Parent SEC Document has been
revised or superseded by a later filed Parent SEC Document, none of the
Parent SEC Documents contains any untrue statement of a material fact or
omits 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 were made, not misleading. The financial statements (including the
related notes) included in the Parent SEC Documents comply as to form, as of
their respective dates of filing with the SEC, in all material respects with
the Accounting Rules, have been prepared in accordance with GAAP (except, in
the case of unaudited statements, as permitted by the Accounting Rules)
applied on a consistent basis during the periods involved (except as may be
indicated in the related notes) and fairly present in all material respects
the consolidated financial position of Parent and its consolidated
Subsidiaries as of the dates thereof and the consolidated results of their
operations and cash flows for the periods then ended (subject, in the case of
unaudited statements, to normal recurring year-end audit adjustments).
Neither Parent nor any of its Subsidiaries has any liabilities or obligations
of any nature (whether accrued, absolute, contingent or otherwise) which
individually or in the aggregate could reasonably be expected to have a
Material Adverse Effect on Parent.

          (e) Information Supplied. None of the information supplied or to be
supplied by Parent or any of its Subsidiaries specifically for inclusion or
incorporation by reference in (i) the Form S-4 will, at the time the Form S-4
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 to make the statements therein, in light of the
circumstances under which they are made, not misleading or (ii) the Proxy
Statement will, at the date it is first mailed to the Company's shareholders
or at the time of the Company Shareholders Meeting, 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
Form S-4 will comply as to form in all material respects with the
requirements of the Securities Act and the rules and regulations thereunder.
No representation or warranty is made by Parent with respect to statements
made or


                                                                         33
<PAGE>

incorporated by reference in the Proxy Statement or the Form S-4 based on
information supplied by the Company specifically for inclusion or
incorporation by reference in the Proxy Statement or the Form S-4, as the
case may be.

          (f) No Material Adverse Change. Except as disclosed in the Parent
SEC Documents filed and publicly available prior to the date of this
Agreement (as amended to the date of this Agreement, the "Parent Filed SEC
Documents"), since December 31, 1999, Parent and its Subsidiaries have
conducted their businesses only in the ordinary course consistent with past
practice, and since such date there has not been any Material Adverse Change
in Parent.

          (g) Litigation. There is no suit, action, proceeding, claim,
grievance or investigation pending or, to the Knowledge of Parent, threatened
against or affecting Parent or any of its Subsidiaries that individually or
in the aggregate could reasonably be expected to have a Material Adverse
Effect on Parent nor is there any judgment, decree, injunction, rule or order
of any Governmental Entity or arbitrator outstanding against Parent or any of
its Subsidiaries that has had, or that could reasonably be expected to have,
individually or in the aggregate, a Material Adverse Effect on Parent.

          (h) Contracts. Neither Parent nor any of its Subsidiaries is in
violation or breach of or in default under (nor does there exist any
condition that upon the passage of time or the giving of notice or both would
cause such a violation or breach of or default under) any Contract to which
it is a party or by which it or any of its properties or assets is bound,
except for violations or defaults that individually or in the aggregate could
not reasonably be expected to have a Material Adverse Effect on Parent. Since
December 31, 1999 and prior to the date hereof, none of Parent or its
Subsidiaries has entered into any Contract with any Affiliate of Parent that
would have been required to be filed as an exhibit to Parent's Annual Report
on Form 10-K for the fiscal year ended December 31, 1999, had Parent been a
party to such Contract as of December 31, 1999.

          (i) Voting Requirements. No approval of the stockholders of Parent
is required with respect to this Agreement or the transactions contemplated
hereby.

          (j) State Takeover Statutes. Except as provided in Section 3.01(o),
to the Knowledge of Parent, no other state takeover statute is applicable to
the Merger or the


                                                                          34
<PAGE>

other transactions contemplated by this Agreement or the Voting and Option
Agreement.

          (k) Brokers. No broker, investment banker, financial advisor or
other person, other than Goldman, Sachs & Co., the fees, commissions and
expenses of which will be paid by Parent, is entitled to any broker's,
finder's, financial advisor's or other similar fee or commission, or the
reimbursement of expenses, in connection with the transactions contemplated
by this Agreement or the Voting and Option Agreement based upon arrangements
made by or on behalf of Parent.

          (l) Capitalization of Sub; No Prior Activities of Sub. Sub was
formed solely for the purpose of engaging in the transactions contemplated
hereby, has engaged in no other business activities and has conducted its
operations only as contemplated hereby. The authorized capital stock of Sub
consists of 1,000 shares of common stock, par value $0.01 per share, all of
which are duly authorized, validly issued, fully paid and nonassessable and
held of record by Parent.

          (m) Taxes. Neither Parent nor any of its Subsidiaries has taken or
agreed to take any action or knows of any fact, agreement, plan or other
circumstance that is reasonably likely to prevent the Merger from qualifying
as a "reorganization" within the meaning of Section 368(a) of the Code.

                                   ARTICLE IV

                    Covenants Relating to Conduct of Business

          SECTION 4.01. Conduct of Business. (a) Conduct of Business by the
Company. Except as set forth in Section 4.01(a) of the Company Disclosure
Schedule, as otherwise expressly permitted by this Agreement or as consented
to in writing by Parent (which consent shall not be unreasonably withheld),
during the period from the date of this Agreement to the Effective Time, the
Company shall, and shall cause its Subsidiaries to, carry on their respective
businesses in the ordinary course and comply with all applicable laws, rules
and regulations and use its commercially reasonable efforts to preserve their
assets and technology and their relationships with customers, suppliers,
licensors, licensees, distributors and others having business dealings with
them. In addition, without limiting the generality of the foregoing, during
the period from the date of this Agreement to the Effective Time,


                                                                              35
<PAGE>

except as set forth in Section 4.01(a) of the Company Disclosure Schedule, as
otherwise expressly permitted by this Agreement or as consented to in writing
by Parent (which consent shall not be unreasonably withheld), the Company
shall not, and shall not permit any of its Subsidiaries to:

          (i) (x) declare, set aside or pay any dividends on, or make any other
     distributions (whether in cash, stock, property or otherwise) in respect
     of, any of its capital stock or other equity or voting interests or
     securities, except for dividends and distributions (including liquidating
     distributions) by a direct or indirect wholly owned Subsidiary of the
     Company to its parent, (y) split, combine or reclassify any of its capital
     stock or other equity or voting interests or securities or, other than as
     allowed in clause (ii) below, issue or authorize the issuance of any other
     securities in respect of, in lieu of or in substitution for shares of its
     capital stock or any other equity or voting interests or securities, or (z)
     purchase, redeem or otherwise acquire any shares of capital stock or other
     equity or voting interests or securities of the Company or any of its
     Subsidiaries or any rights, warrants, calls or options to acquire any such
     shares or other equity or voting interests or securities other than any
     purchase of Company Common Stock held for more than six months in
     connection with a cashless exercise of Company Stock Options;

          (ii) issue, deliver, sell, grant, pledge or otherwise encumber or
     subject to any Lien any shares of its capital stock, any other equity or
     voting interests or securities or any securities convertible into, or
     exchangeable for, or any rights, warrants, calls or options to acquire, any
     such shares, equity or voting interests or securities or convertible
     securities or any stock appreciation rights or other rights that are linked
     to the price of Company Common Stock, other than (x) the issuance of shares
     of Company Common Stock upon the exercise of the Company Stock Options
     outstanding as of the date hereof in accordance with their terms on the
     date hereof, (y) grants of Company Stock Options to existing employees
     (including executive officers) in amounts, to individuals and on terms as
     agreed by the Company and Parent or (z) grants of Company Stock Options to
     new employees who are not executive officers in the ordinary course of
     business, to the extent that the aggregate number of shares of Company
     Common Stock issuable under such grants (whether or not vested), does not
     exceed 350,000 in any calendar quarter on


                                                                              36
<PAGE>

     terms consistent with past practice (except that Company Stock Options
     granted pursuant to this clause (z) shall vest in equal annual amounts over
     a four-year period from the date of grant), except, in the case of clauses
     (y) and (z), that the vesting of such Company Stock Options shall not
     accelerate upon the consummation of the Merger;

          (iii) amend the Company's Articles of Incorporation or By-laws or the
     comparable organizational documents of any of its Subsidiaries;

          (iv) directly or indirectly acquire or agree to acquire by merging or
     consolidating with, or by purchasing the assets of, or by any other manner,
     any business or any person, other than purchases of raw materials or
     supplies in the ordinary course of business consistent with past practice;

          (v) directly or indirectly sell, lease, license, sell and leaseback,
     mortgage or otherwise encumber or subject to any Lien or otherwise dispose
     of any of its properties or assets other than (A) sales or licenses of
     services in the ordinary course of business consistent with past practice
     or (B) sales of any properties or assets of a direct or indirect wholly
     owned Subsidiary of the Company to the Company or another direct or
     indirect wholly owned Subsidiary of the Company;

          (vi) (A) incur any indebtedness for borrowed money or guarantee any
     such indebtedness of another person, issue or sell any debt securities or
     rights, warrants, calls or options to acquire any debt securities of the
     Company or any of its Subsidiaries, guarantee any debt securities of
     another person, enter into any "keep well" or other agreement to maintain
     any financial statement condition of another person or enter into any
     arrangement having the economic effect of any of the foregoing, other than
     (x) short-term borrowings incurred in the ordinary course of business
     consistent with past practice, (y) intercompany indebtedness between the
     Company and any of its wholly owned Subsidiaries or between such wholly
     owned Subsidiaries and (z) in connection with the Financing Arrangements,
     (B) make any loans, advances or capital contributions to, or investments
     in, any other person, other than employee advances in the ordinary course
     of business consistent with past practice, or (C) repay, redeem, repurchase
     or otherwise retire, or otherwise make any payment in respect of, any
     indebtedness for borrowed


                                                                             37
<PAGE>

     money or any debt securities, or any rights, warrants, calls or options to
     acquire any debt securities, other than as required by their terms as in
     effect on the date of this Agreement;

          (vii) make any capital expenditure or expenditures, other than cash
     payments for capital expenditures (excluding capitalized selling, general
     and administrative costs and capitalized interest) in amounts not to exceed
     in the aggregate $100,000,000 for the calendar quarter ending December 31,
     2000 and $80,000,000 for the calendar quarter ending March 31, 2001;

          (viii) (x) pay, discharge, satisfy or settle any material claims
     (including claims of shareholders), liabilities, obligations (whether
     absolute, accrued, asserted or unasserted, contingent or otherwise), or
     litigation (whether or not commenced prior to the date of this Agreement),
     other than the payment, discharge, satisfaction or settlement, in the
     ordinary course of business consistent with past practice or in accordance
     with its terms, of any liability reflected or reserved against in the most
     recent consolidated financial statements (or the related notes) of the
     Company included in the Company Filed SEC Documents (for amounts not in
     excess of the amount reflected on, or reserved against in, such financial
     statements) or incurred since the date of such financial statements or (y)
     waive the material benefits of, or agree to modify in any material manner,
     or terminate or fail to enforce, or consent to any material matter with
     respect to which its consent is required under, any confidentiality,
     standstill or similar agreement to which the Company or any of its
     Subsidiaries is a party or of which the Company or any of its Subsidiaries
     is a beneficiary;

          (ix) except as may be required to comply with applicable law, enter
     into, adopt, amend in any material respect or terminate any Company Benefit
     Plan, collective bargaining agreement or other union agreement or Company
     Benefit Agreement, or materially change any actuarial or other assumption
     used to calculate funding obligations with respect to any Company Benefit
     Plan, or change the manner in which contributions to any Company Benefit
     Plan are made or the basis on which such contributions are determined;

          (x) (A) except for normal increases in cash compensation in the
     ordinary course of business


                                                                             38

<PAGE>


     consistent with past practice that, in the aggregate, do not materially
     increase benefits or compensation expenses of the Company or its
     Subsidiaries or increases required by applicable law, increase the
     compensation, bonus or other benefits of any current or former director,
     officer, employee or consultant or pay any benefit or amount not required
     by a Company Benefit Agreement or Company Benefit Plan as in effect on the
     date of this Agreement to any such person, (B) take any action to fund or
     in any other way secure the payment of compensation or benefits under any
     Company Benefit Agreement or Company Benefit Plan or (C) take any action to
     accelerate the vesting or payment of any compensation or benefit under any
     Company Benefit Agreement or Company Benefit Plan other than the
     consummation of the Merger or the exercise of the option under the Voting
     and Option Agreement which will accelerate the vesting of Company Stock
     Options (other than those Company Stock Options granted pursuant to Section
     4.01(a)(ii)) and restricted shares of Company Common Stock granted under
     the Company's 1998 Equity Incentive Plan as required pursuant to the terms
     thereof; or

          (xi) authorize, commit or agree to take, any of the foregoing actions.

          The Company designates Leo Cyr and Parent designates Blake Fisher as
their designees for operational issues between the date of this Agreement and
the Effective Time, in each case until a replacement is designated by the
Company or Parent.

          (b) Other Actions. Except as required by applicable law or as
expressly permitted by this Agreement, the Company and Parent shall not, and
shall not permit any of their respective Subsidiaries to, knowingly take any
action that could reasonably be expected to, result in (i) any of the
representations and warranties of such party set forth in this Agreement that
are qualified as to materiality becoming untrue at the Effective Time, (ii) any
of such representations and warranties that are not so qualified becoming untrue
in any material respect at the Effective Time, or (iii) any of the conditions to
the Merger set forth in Article VI not being satisfied.

          (c) Certain Tax Matters. During the period from the date of this
Agreement to the Effective Time, the Company shall, and shall cause each of its
Subsidiaries to, (i) timely file all material tax returns ("Post-Signing
Returns") required to be filed by it (after taking into

                                                                              39
<PAGE>


account any applicable extension); (ii) timely pay all material taxes due and
payable in respect of such Post-Signing Returns that are so filed; (iii) accrue
a reserve in its books and records and financial statements in accordance with
past practice for all taxes payable by it for which no Post-Signing Return is
due prior to the Effective Time; (iv) promptly notify Parent of any suit, claim,
action, investigation, proceeding or audit (collectively, "Actions") pending
against or with respect to the Company or any of its Subsidiaries in respect of
any material tax and not settle or compromise any such Action without Parent's
consent; (v) not make any material tax election without Parent's consent and
(vi) cause any and all existing tax sharing agreements, tax indemnity
obligations and similar agreements, arrangements and practices with respect to
taxes to which the Company or any of its Subsidiaries is a party or by which the
Company or any of its Subsidiaries is otherwise bound (other than any such
agreements, arrangements or obligations solely among the Company and any of its
Subsidiaries) to be terminated as of the Closing Date so that after such date
neither the Company nor any of its Subsidiaries shall have any further rights or
liabilities thereunder.

          (d) Advice of Changes. The Company and Parent shall promptly advise
the other party orally and in writing to the extent it has Knowledge of (i) any
representation or warranty made by it contained in this Agreement that is
qualified as to materiality becoming untrue or inaccurate in any respect or any
such representation or warranty that is not so qualified becoming untrue or
inaccurate in any material respect or (ii) the failure of it 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 and (iii) any change or
event that has had, or that could reasonably be expected to have, a Material
Adverse Effect on such party or on the truth of their respective representations
and warranties or the ability of the conditions set forth in Article VI to be
satisfied; provided, however, that no such notification shall affect the
representations, warranties, covenants or agreements of the parties (or remedies
with respect thereto) or the conditions to the obligations of the parties under
this Agreement.

          SECTION 4.02. No Solicitation. (a) From and after the date of this
Agreement, the Company shall not, nor shall it permit any of its Subsidiaries
to, nor shall it authorize or permit any of the directors, officers or employees
of the Company or any of its Subsidiaries or any investment banker, financial
advisor, attorney, accountant

                                                                              40
<PAGE>


or other representative retained by it or any of its Subsidiaries (collectively,
the "Representatives") to, directly or indirectly through another person, (i)
solicit, initiate or encourage, or take any other action designed to, or which
reasonably could be expected to, facilitate, any inquiries or the making of any
proposal that constitutes a Company Takeover Proposal or (ii) participate in any
discussions or negotiations regarding, or furnish to any person any information
with respect to, or otherwise cooperate in any way with, any Company Takeover
Proposal. Notwithstanding the foregoing, at any time prior to obtaining the
Company Shareholder Approval, in response to a bona fide written Company
Takeover Proposal that the Board of Directors of the Company determines in good
faith (after consultation with outside counsel and a financial advisor of
nationally recognized reputation) constitutes or is reasonably likely to lead to
a Company Superior Proposal, and which Company Takeover Proposal was unsolicited
after the date hereof and did not otherwise result from a breach of this Section
4.02, the Company may, to the extent its Board of Directors determines in good
faith (after consultation with outside counsel) that it is appropriate to do so
in order to comply with its fiduciary duties to the Company's shareholders under
applicable law, and after giving Parent notice of such Company Takeover Proposal
and determination of necessity, (x) furnish information with respect to the
Company and its Subsidiaries to the person making such Company Takeover Proposal
(and its Representatives) pursuant to a customary confidentiality agreement,
provided, that all such information is provided to Parent prior to or
substantially concurrent with the time it is provided to such person, and (y)
participate in discussions or negotiations with the person making such Company
Takeover Proposal (and its Representatives) regarding such Company Takeover
Proposal.

          The term "Company Takeover Proposal" means any inquiry, proposal or
offer from any person relating to, or that is reasonably likely to lead to, any
direct or indirect acquisition or purchase, in one transaction or a series of
transactions, of a business that constitutes 20% or more of the revenues, net
income, EBITDA or the assets of the Company and its Subsidiaries, taken as a
whole, or 20% or more of the Company Common Stock or the capital stock of, or
any other equity or voting interests in, any Subsidiary of the Company, any
tender offer or exchange offer that if consummated would result in any person
beneficially owning 20% or more of the Company Common Stock or the capital stock
of, or any other equity or voting interests in, any Subsidiary of the Company,
or any merger, consolidation, business combination, recapitalization,
liquidation,

                                                                              41
<PAGE>


dissolution, joint venture, binding share exchange or similar transaction
involving the Company or any of its Subsidiaries pursuant to which any person or
the shareholders of any person would own 20% or more of the Company or any
resulting parent company of the Company, other than the transactions
contemplated by this Agreement or the Voting and Option Agreement.

          The term "Company Superior Proposal" means any bona fide, binding
written offer not solicited by or on behalf of the Company or any of its
Subsidiaries made by any person that if consummated would result in such person
(or its shareholders) owning, directly or indirectly, more than 50% of the
shares of Company Common Stock then outstanding (or of the surviving entity in a
merger or the direct or indirect parent of the surviving entity in a merger) or
all or substantially all the assets of the Company and its Subsidiaries, taken
as a whole, and otherwise on terms that the Board of Directors of the Company
determines in good faith (after consultation with a financial advisor of
nationally recognized reputation), taking into account the person making the
offer, the legal, financial, regulatory and other aspects of the offer deemed
appropriate by the Board of Directors of the Company and any changes to the
terms of this Agreement proposed by Parent in response to such offer or
otherwise, to be reasonably likely to obtain any required approvals on a timely
basis and to be more favorable to the Company's shareholders from a financial
point of view than the Merger.

          (b) Neither the Board of Directors of the Company nor any committee
thereof shall (or shall agree to resolve to) (i) (A) withdraw (or modify in a
manner adverse to Parent), or propose to withdraw (or modify in a manner adverse
to Parent), the recommendation or declaration of advisability by such Board of
Directors or such committee thereof of this Agreement or the Merger or (B)
recommend, or propose to recommend, the approval or adoption of any Company
Takeover Proposal (any action described in this clause (i) being referred to
herein as a "Company Adverse Recommendation Change"), (ii) adopt or approve, or
propose publicly to adopt or approve, any Company Takeover Proposal or withdraw,
or propose to withdraw, its approval of this Agreement or the Merger, or (iii)
approve or recommend, or propose to approve or recommend, or cause or permit the
Company or any of its Subsidiaries to enter into any letter of intent, agreement
in principle, acquisition agreement, memorandum of understanding, merger
agreement, option agreement, joint venture agreement, partnership agreement or
other similar agreement (each, an "Acquisition Agreement") constituting or
related to, or that is intended to or is

                                                                              42
<PAGE>


reasonably likely to lead to, any Company Takeover Proposal (other than a
confidentiality agreement referred to in Section 4.02(a)). Notwithstanding the
foregoing, at any time prior to obtaining the Company Shareholder Approval, the
Board of Directors of the Company may, in response to a Company Superior
Proposal that was unsolicited after the date hereof and that did not otherwise
result from a breach of this Section 4.02, make a Company Adverse Recommendation
Change to the extent such Board of Directors determines in good faith (after
consultation with outside counsel) that it is necessary to do so in order to
comply with its fiduciary duties to the Company's shareholders under applicable
law; provided, however, that no Company Adverse Recommendation Change may be
made until after the third Business Day following Parent's receipt of written
notice (a "Notice of Company Superior Proposal") from the Company advising
Parent that the Board of Directors of the Company has received a Company
Superior Proposal and intends to make a Company Adverse Recommendation Change
and specifying the terms and conditions of such Company Superior Proposal (it
being understood and agreed that any amendment to the price or any other
material term of a Company Superior Proposal shall require a new Notice of
Company Superior Proposal and new three Business Day period).

          (c) In addition to the obligations of the Company set forth in
paragraphs (a) and (b) of this Section 4.02, the Company shall immediately
advise Parent orally and in writing of any request for information or of any
Company Takeover Proposal, or of any inquiry the Company reasonably believes
could lead to a Company Takeover Proposal, the terms and conditions of such
request, Company Takeover Proposal or inquiry and the identity of the person
making such request, Company Takeover Proposal or inquiry. The Company will keep
Parent informed on a prompt basis of the status and details (including
amendments or changes or proposed amendments or changes) of any such request,
Company Takeover Proposal or inquiry.

          (d) Nothing contained in this Section 4.02 shall prohibit the Company
from taking and disclosing to its shareholders a position contemplated by Rule
14d-9 or 14e-2 promulgated under the Exchange Act or from making any disclosure
to the Company's shareholders if, in the good faith judgment of the Board of
Directors of the Company, after consultation with outside counsel, failure so to
disclose would be inconsistent with its obligations under applicable law;
provided, however, that, in no event shall the Company nor its Board of
Directors nor any committee thereof take, agree or resolve to take any action
prohibited by Section 4.02(b).

                                                                              43
<PAGE>


                                    ARTICLE V

                              Additional Agreements

          SECTION 5.01. Preparation of the Form S-4 and the Proxy Statement. (a)
As soon as practicable following the date of this Agreement, the Company and
Parent shall prepare and file with the SEC the Proxy Statement and the Company
and Parent shall prepare and Parent shall file with the SEC the Form S-4, in
which the Proxy Statement will be included as a prospectus. Each of the Company
and Parent shall use its commercially reasonable efforts to have the Form S-4
declared effective under the Securities Act as promptly as practicable after
such filing and keep the Form S-4 effective for so long as necessary to complete
the Merger. The Company will use its commercially reasonable efforts to cause
the Proxy Statement to be mailed to the Company's shareholders as promptly as
practicable after the Form S-4 is declared effective under the Securities Act.
Parent shall also take any action (other than qualifying to do business in any
jurisdiction in which it is not now so qualified or to file a general consent to
service of process) reasonably required to be taken under any applicable state
securities laws in connection with the issuance of Parent Class A Common Stock
in the Merger and the Company shall furnish all information concerning the
Company and the holders of capital stock of the Company as may be reasonably
requested in connection with any such action. No filing of, or amendment or
supplement to, or correspondence to the SEC or its staff with respect to, the
Form S-4 will be made by Parent, or the Proxy Statement will be made by the
Company, without providing the other party a reasonable opportunity to review
and comment thereon. Parent will advise the Company, promptly after it receives
notice thereof, of the time when the Form S-4 has become effective or any
supplement or amendment thereto has been filed, the issuance of any stop order,
the suspension of the qualification of the Parent Class A Common Stock issuable
in connection with the Merger for offering or sale in any jurisdiction, or any
request by the SEC for amendment of the Form S-4 or the Proxy Statement or
comments thereon and responses thereto or requests by the SEC for additional
information and will, as promptly as practicable, provide to the Company copies
of all correspondence and filings with the SEC with respect to the Form S-4. The
Company will advise Parent, promptly after it receives notice thereof, of any
request by the SEC for amendment of the Proxy Statement or comments thereon and
responses thereto or requests by the SEC for additional information and will, as
promptly as practicable, provide to Parent copies of all correspondence

                                                                              44
<PAGE>


and filings with the SEC with respect to the Proxy Statement. If at any time
prior to the Effective Time any information relating to the Company or Parent,
or any of their respective Affiliates, directors or officers, should be
discovered by the Company or Parent which should be set forth in an amendment or
supplement to any of the Form S-4 or the Proxy Statement, so that any of such
documents would not include any misstatement of a material fact or omit to state
any material fact necessary to make the statements therein, in light of the
circumstances under which they were made, not misleading, the party that
discovers such information shall promptly notify the other parties hereto and an
appropriate amendment or supplement describing such information shall be
promptly filed with the SEC and, to the extent required by law, disseminated to
the shareholders of Parent and the shareholders of the Company. For purposes of
Sections 3.01(f), 3.02(e) and 5.01, information concerning or related to Parent,
Sub or any of Parent's other Subsidiaries will be deemed to have been provided
by Parent, and information concerning or related to the Company, its
Subsidiaries or the Company Shareholders Meeting will be deemed to have been
provided by the Company.

          SECTION 5.02. Company Shareholders Meeting. The Company (i) shall, as
soon as practicable following the date of this Agreement, establish a record
date (which shall be as soon as practicable following the date of this
Agreement) for, duly call, give notice of, convene and hold a meeting of its
shareholders (the "Company Shareholders Meeting") for the purpose of obtaining
the Company Shareholder Approval and (ii) except as provided in Section 4.02(b),
shall, through its Board of Directors, recommend to its shareholders the
approval of this Agreement. The Company agrees that its obligations pursuant to
clause (i) of the first sentence of this Section 5.02 shall not be affected by
the commencement, public proposal, public disclosure or communication to the
Company of any Company Takeover Proposal, and such obligations shall not be
affected by any action that the Company takes under Section 4.02(b).

          SECTION 5.03. Access to Information; Confidentiality. Subject to the
existing confidentiality agreements between Parent and the Company
(collectively, the "Confidentiality Agreement"), upon reasonable notice, each of
Parent and the Company shall, and shall cause each of its Subsidiaries to,
afford to the other party and to the Representatives of such other party,
reasonable access during normal business hours during the period prior to the
Effective Time to all their respective properties, books, Contracts, personnel
and records and, during such period, each of the Company and Parent shall, and
shall cause each

                                                                              45
<PAGE>


of its Subsidiaries to, furnish promptly to the other party all other
information concerning its business, properties and personnel as such other
party may reasonably request. Neither Parent nor the Company shall be required
to provide access to or disclose information where such access or disclosure
would contravene any applicable law, rule, regulation, order or decree or would,
with respect to any pending matter, result in a waiver of the attorney-client
privilege or the protection afforded attorney work-product. Parent and the
Company shall use their respective commercially reasonable efforts to obtain
from third parties any consents or waivers of confidentiality restrictions with
respect to any such information being provided by it. No review pursuant to this
Section 5.03 shall have an effect for the purpose of determining the accuracy of
any representation or warranty given by either party hereto to the other party
hereto. Each of the Company and Parent will hold, and will direct its
Representatives and Affiliates to hold, any nonpublic information in accordance
with the terms of the Confidentiality Agreement.

          SECTION 5.04. Commercially Reasonable Efforts. (a) Upon the terms and
subject to the conditions set forth in this Agreement, each of the parties
agrees to use its 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 and the Voting
and Option Agreement, including using commercially reasonable efforts to
accomplish the following: (i) the taking of all reasonable acts necessary to
cause the conditions to Closing to be satisfied as promptly as practicable, (ii)
the obtaining of all necessary actions or nonactions, waivers, consents and
approvals from Governmental Entities and the making of all necessary
registrations and filings (including filings with Governmental Entities, if any)
and the taking of all reasonable steps as may be necessary to obtain an approval
or waiver from, or to avoid an action or proceeding by, any Governmental Entity,
(iii) the obtaining of all necessary consents, approvals or waivers from third
parties, (iv) the defending of any lawsuits or other legal proceedings, whether
judicial or administrative, challenging this Agreement and the Voting and Option
Agreement or the consummation of the Merger or the other transactions
contemplated hereby or thereby, 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 and delivery of any additional instruments

                                                                              46
<PAGE>


necessary to consummate the Merger and the other transactions contemplated by,
and to fully carry out the purposes of, this Agreement and the Voting and Option
Agreement. Nothing in this Agreement shall be deemed to require Parent to agree
to, or proffer to, divest or hold separate any assets or any portion of any
business of Parent, the Company or any of their respective Subsidiaries if the
Board of Directors of Parent determines that so doing would materially impair
the benefits intended to be obtained by Parent in the Merger. Without limiting
the generality of the foregoing, the Company and Parent shall each cooperate
with the other in the defense of any litigation against Parent or the Company
and/or its directors relating to the transactions contemplated by this Agreement
or the Voting and Option Agreement.

          (b) In connection with and without limiting the foregoing, the Company
and its Board of Directors and Parent and its Board of Directors shall use their
respective commercially reasonable efforts to (1) take all action necessary to
ensure that no state takeover statute or similar statute or regulation is or
becomes applicable to this Agreement, the Voting and Option Agreement, the
Merger or any of the other transactions contemplated by this Agreement or the
Voting and Option Agreement and (2) if any state takeover statute or similar
statute or, rule or regulation becomes applicable to this Agreement, the Voting
and Option Agreement, the Merger or any other transactions contemplated by this
Agreement or the Voting and Option Agreement, take all action necessary to
ensure that the Merger and the other transactions contemplated by this Agreement
or the Voting and Option Agreement may be consummated as promptly as practicable
on the terms contemplated by this Agreement or the Voting and Option Agreement
and otherwise to minimize the effect of such statute, rule or regulation on this
Agreement, the Voting and Option Agreement, the Merger and the other
transactions contemplated by this Agreement or the Voting and Option Agreement.

          SECTION 5.05. Company Stock Options. (a) At or as soon as practicable
after the Effective Time, the Company and Parent will take such steps as are
necessary to implement the arrangements provided in Section 5.05 of the Company
Disclosure Schedule.

          (b) The arrangements referenced in paragraph (a) above with respect to
any Company Stock Options to which Section 421(a) of the Code applies shall be
and are intended to be effected in a manner which is consistent with Section
424(a) of the Code.

                                                                              47
<PAGE>


          (c) At or prior to the Effective Time, Parent shall take all action
necessary to authorize and reserve for issuance a sufficient number of shares of
Parent Class A Common Stock issuable in respect of the Company Stock Options
adjusted as described in paragraph (a) above. As soon as reasonably practicable
following the Effective Time, Parent shall cause a number of shares of Parent
Class A Common Stock equal to the number of shares issuable in respect of the
Company Stock Options adjusted as described in paragraph (a) above to be
registered under the Securities Act pursuant to a registration statement on Form
S-8 (or another appropriate form). Such registration statement shall be kept
effective (and the current status of the prospectus or prospectuses required
thereby shall be maintained) for so long as any such options may remain
outstanding.

          SECTION 5.06. Employee Benefit Plans; Existing Agreements. (a) During
the six-month period following the Effective Time (the "Transition Period"),
Parent shall cause the Surviving Corporation (i) to maintain the Company Benefit
Plans (other than equity-based arrangements) in effect on the date of this
Agreement or (ii) to replace all or any of the Company Benefit Plans with
employee benefit plans and programs maintained for similarly situated employees
of Parent, provided that the aggregate level of benefits (other than
equity-based arrangements) shall be substantially comparable to the aggregate
level of benefits provided by the Company Benefit Plans in effect on the date of
this Agreement.

          (b) To the extent that any plan of Parent or any of its Affiliates (a
"Parent Plan") becomes applicable to any employee or former employee of the
Company or its Subsidiaries, Parent shall grant, or cause to be granted, to such
employees or former employees credit for their service with the Company and its
Subsidiaries (and any of their predecessors) for the purpose of determining
eligibility to participate and nonforfeitability of benefits under such Parent
Plan and for purposes of benefit accrual under vacation and severance pay plans
(but only to the extent such service was credited under similar plans of the
Company and its Subsidiaries).

          (c) Parent shall cause the Company or the Surviving Corporation, as
applicable, to honor in accordance with their respective terms (as in effect on
the date of this Agreement), the Company Benefit Agreements disclosed on the
Company Disclosure Schedule.

                                                                              48
<PAGE>


          (d) Subject to compliance by Parent with its obligations under
Sections 5.06(a), (b) and (c), nothing contained in this Section 5.06 or
elsewhere in this Agreement shall be construed to prevent the termination of
employment of any individual employee of the Company or its Subsidiaries or any
change in the employee benefits available to any such individual employee or the
amendment or termination of any particular Company Benefit Plan to the extent
permitted by its terms as in effect immediately prior to the Effective Time.

          SECTION 5.07. Indemnification, Exculpation and Insurance. (a) Parent
and Sub agree that all rights to indemnification and exculpation from
liabilities for acts or omissions occurring at or prior to the Effective Time
(and rights for advancement of expenses) now existing in favor of the current or
former directors or officers, employees or agents of the Company and its
Subsidiaries as provided in their respective articles or certificates of
incorporation or by-laws (or comparable organizational documents) and any
indemnification or other similar agreements of the Company as in effect on the
date hereof shall be assumed by the Surviving Corporation in the Merger, without
further action, as of the Effective Time and shall survive the Merger and shall
continue in full force and effect in accordance with their terms, and shall not
be amended, repealed or otherwise modified after the Effective Time in any
manner that would adversely affect the rights thereunder of the individuals who
on or prior to the Effective Time were directors, officers, employees or agents
of the Company or its Subsidiaries, and Parent shall, and shall cause the
Surviving Corporation to (including, if necessary, by providing the Surviving
Corporation with sufficient funding), honor all such indemnification provisions.

          (b) In the event that the Surviving Corporation or any of its
successors or assigns (i) consolidates with or merges into any other person and
is not the continuing or surviving corporation or entity of such consolidation
or merger or (ii) transfers or conveys all or substantially all of its
properties and assets to any person, then, and in each such case, Parent shall
cause proper provision to be made so that the successors and assigns of the
Surviving Corporation assume the obligations set forth in this Section 5.07.

          (c) For six years after the Effective Time, Parent shall, and shall
cause the Surviving Corporation to (including, if necessary, by providing the
Surviving Corporation with sufficient funding), maintain in effect and honor the
Company's current directors' and officers'

                                                                              49
<PAGE>


liability insurance covering acts or omissions occurring prior to the Effective
Time covering each person currently covered by the Company's directors' and
officers' liability insurance policy on terms with respect to such coverage and
amounts no less favorable than those of each such policy in effect on the date
hereof, provided that Parent may substitute therefor policies no less favorable
in any material respect to such insured persons; provided however, that in no
event shall Parent be required to pay aggregate premiums for insurance under
this Section 5.07(c) in excess of 200% of the amount of the aggregate premiums
paid by the Company in 2000 on an annualized basis for such purpose (which 2000
annualized premiums are hereby represented and warranted to be $131,250),
provided that Parent shall nevertheless be obligated to provide such coverage as
may be obtained for such 200% amount.

          (d) The provisions of this Section 5.07 (i) are intended to be for the
benefit of, and will be enforceable by, each indemnified party, his or her heirs
and his or her representatives and (ii) are in addition to, and not in
substitution for, any other rights to indemnification or contribution that any
such person may have by contract or otherwise.

          SECTION 5.08. Fees and Expenses. (a) Except as provided in this
Section 5.08, all fees and expenses incurred in connection with the Merger, this
Agreement, the Voting and Option Agreement and the transactions contemplated
hereby and thereby shall be paid by the party incurring such fees or expenses,
whether or not the Merger is consummated, except that each of Parent and the
Company shall bear and pay one-half of (i) the costs and expenses incurred in
connection with the filing, printing and mailing of the Form S-4 and the Proxy
Statement (including SEC filing fees) and (ii) the filing fees for the premerger
notification and report forms under the HSR Act.

          (b) In the event that (A) a Company Takeover Proposal shall have been
made to the Company or any of its Subsidiaries or shall have been made directly
to the shareholders of the Company generally or shall have otherwise become
publicly known or any person shall have publicly announced an intention (whether
or not conditional) to make a Company Takeover Proposal, (B) thereafter this
Agreement is terminated by either Parent or the Company pursuant to Section
7.01(b)(i) or (ii) or by Parent pursuant to Section 7.01(e) and (C) within 12
months after such termination, the Company or any of its Subsidiaries enters
into an Acquisition Agreement with respect to, or consummates, any Company
Takeover Proposal (solely for

                                                                              50
<PAGE>


purposes of this Section 5.08(b)(i)(C), the term "Company Takeover Proposal"
shall have the meaning set forth in Section 4.02 except that references to 20%
therein shall be deemed to be references to 30%), then the Company shall pay
Parent a fee equal to $7.85 million (the "Termination Fee"), payable by wire
transfer of same day funds to an account designed by Parent in the case of a
payment as a result of any event referred to in Section 5.08(b)(i)(C), upon the
first to occur of such events. The Company acknowledges that the agreements
contained in this Section 5.08(b) are an integral part of the transactions
contemplated by this Agreement, and that, without these agreements, Parent would
not enter into this Agreement; accordingly, if the Company fails promptly to pay
the amount due pursuant to this Section 5.08(b), and, in order to obtain such
payment, Parent commences a suit that results in a judgment against the Company
for the fee set forth in this Section 5.08(b), the Company shall pay to Parent
its costs and expenses (including attorneys' fees and expenses) in connection
with such suit, together with interest on the amount of the fee from the date
such payment was required to be made until the date of payment at the prime rate
of Citibank, N.A. in effect on the date such payment was required to be made.

          SECTION 5.09. Public Announcements. Parent and the Company will
consult with each other before issuing, and provide each other the opportunity
to review, comment upon and concur with, any press release or other public
statements with respect to the transactions contemplated by this Agreement,
including the Merger or the Voting and Option Agreement and shall not issue any
such press release or make any such public statement prior to such consultation,
except as either party may determine is required by applicable law or by
obligations pursuant to any listing agreement with any national securities
exchange or national trading system. The parties agree that the initial press
release to be issued with respect to the transactions contemplated by this
Agreement and the Voting and Option Agreement shall be in the form previously
agreed to by the parties.

          SECTION 5.10. Affiliates. The Company shall deliver to Parent at least
30 calendar days prior to the Closing Date a letter identifying all persons who
are, at the time this Agreement is submitted for approval by the shareholders of
the Company, "affiliates" of the Company for purposes of Rule 145 under the
Securities Act. The Company shall use its commercially reasonable efforts to
cause each such person, and each other person who becomes such an "affiliate",
to deliver to Parent as of the Closing Date a

                                                                              51
<PAGE>


written agreement substantially in the form attached as Exhibit A hereto.

          SECTION 5.11. Nasdaq Quotation. Parent shall use its commercially
reasonable efforts to cause the shares of Parent Class A Common Stock issuable
in the Merger (and the shares of Parent Class A Common Stock issuable upon
exercise of Company Stock Options adjusted as described in Section 5.05(a)) to
be approved for quotation on Nasdaq, subject to official notice of issuance, as
promptly as practicable after the date of this Agreement.

          SECTION 5.12. Tax Treatment. Each of Parent and the Company shall use
its commercially reasonable efforts to cause the Merger to qualify, and will not
(either before or after consummation of the Merger) take or fail to take any
actions if such actions or such failure to take any actions could reasonably be
expected to prevent the Merger from qualifying, as a "reorganization" within the
meaning of Section 368(a) of the Code and to obtain the opinions of counsel
referred to in Section 6.03(c), including the execution of the letters of
representation referred to therein.

          SECTION 5.13. Further Assurances. The Company shall take, or shall
cause to be taken, any action required by the terms of any note, indenture,
credit agreement, warrant or other financing instrument or preferred stock, as
promptly as possible, as a result of the Merger or the transactions contemplated
by this Agreement or the Voting and Option Agreement.

          SECTION 5.14. Transfer Taxes. All stock transfer, real estate
transfer, documentary, stamp, recording and other similar taxes (including
interest, penalties and additions to any such taxes) incurred in connection with
this Agreement and the transactions contemplated hereby shall be paid by the
Company.

          SECTION 5.15. Approvals. The Board of Directors or Compensation
Committee of the Company and Parent shall each grant all approvals and take all
other actions required pursuant to Rules 16b-3(d) and 16b-3(e) under the
Exchange Act to cause the disposition in the Merger of the Company Common Stock
and Company Stock Options and the acquisition in the Merger of Parent Class A
Common Stock and Parent Stock Options, if any, including approving the right to
surrender options as set forth in the Company Stock Plans to be exempt from the
provisions of Section 16(b) of the Exchange Act.

                                                                             52

<PAGE>

          SECTION 5.16. Consent of Noteholders. (a) As soon as practicable
following the date of this Agreement, the Company (i) shall prepare and commence
a consent solicitation, on terms acceptable to Parent in its sole discretion
(the "Consent Solicitation"), with respect to (A) all holders of the outstanding
12% Senior Notes due 2008 of the Company (the "12% Notes") and (B) all holders
of the outstanding 11 1/2% Senior Notes due 2009 of the Company (the "11 1/2%
Notes" and, together with the 12% Notes, the "Notes") and (ii) in order that the
consummation of the Merger and the other transactions contemplated by this
Agreement shall not violate the Indentures, and shall not require a "change of
control" offer to be made to the holders of the Notes (the "Merger Amendments"),
shall use commercially reasonable efforts to (A) amend the Indenture dated as of
July 16, 1998 (the "12% Indenture"), among the Company, CapRock
Telecommunications Corp., CapRock Fiber Network, Ltd., IWL Communications,
Incorporated, and the Chase Manhattan Trust Company, National Association,
relating to the 12% Notes and the Indenture dated as of May 18, 1999 (the "11
1/2% Indenture" and, together with the 12% Indenture, the "Indentures"), between
the Company and Chase Manhattan Trust Company, National Association, relating to
the 11 1/2% Notes or (B) obtain appropriate waivers from the holders of each of
the 12% Notes and the 11 1/2% Notes under their respective Indentures.

          (b) As part of the Consent Solicitation, the Company shall also use
commercially reasonable efforts to amend the Indentures to eliminate
substantially all the restrictive covenants contained therein, including Section
7.04 and Articles 8 and 10 (other than Sections 10.01, 10.02, 10.03, 10.08,
10.09, 10.12, 10.17 and 10.21) of the 12% Indenture and Section 7.04 and
Articles 8 and 10 (other than Sections 10.01, 10.02, 10.03, 10.08, 10.09 and
10.12) of the 11 1/2% Indenture (or in each case as agreed by Parent and the
Company) on terms acceptable to Parent in its sole discretion (the "Covenant
Amendments" and, together with the Merger Amendments, the "Amendments").

          (c) Promptly upon receipt of the Requisite Consent with respect to the
Consent Solicitation, the Company shall, and shall use its commercially
reasonable efforts to cause the indenture trustees under the Indentures to,
execute supplemental indentures incorporating the Amendments. The Merger
Amendments shall be effective immediately upon execution by the Company and the
indenture trustees following receipt of the Requisite Consent. The Covenant
Amendments shall be effective upon the later of (i) the Effective Time and (ii)
20 Business Days following


                                                                              53
<PAGE>

commencement by Parent of the Notes Exchange Offer as set forth in Section 5.17.

          (d) The Company and Parent shall cooperate with each other with
respect to the Consent Solicitation and the preparation, form and content of the
solicitation materials to be distributed to the holders of the Notes.

          (e) "Requisite Consent" means the written consent of the holders of at
least a majority of the aggregate principal amount of the outstanding 12% Notes
as to any amendment or waiver in respect of the 12% Indenture and the holders of
at least a majority of the aggregate principal amount of the outstanding 11 1/2%
Notes as to any amendment or waiver in respect of the 11 1/2% Indenture.

          SECTION 5.17. Notes Exchange Offer. (a) As soon as practicable after
the date of this Agreement, Parent shall prepare and file with the SEC a
registration statement on Form S-4 (the "Exchange Offer Statement") in order to
effect an exchange offer (the "Notes Exchange Offer") to acquire all of the
outstanding 12% Notes and 11 1/2% Notes in exchange for notes of Parent (the
"Parent Notes") having the same interest rate, payment, maturity and redemption
terms as the Notes and otherwise with terms that are substantially identical to
those of the 8 1/2% Senior Notes Due 2009 of Parent (the "Exchange
Consideration"), all as more fully set forth in the Exchange Offer Statement.
Parent shall use commercially reasonable efforts to have the Exchange Offer
Statement declared effective, to commence the Notes Exchange Offer and to mail
such Exchange Offer Statement to the holders of the Notes as promptly as
practicable.

          (b) The Exchange Offer Statement will set forth the terms and
conditions with respect to the Notes Exchange Offer; provided that without
limiting the foregoing, Parent's obligation to consummate the Exchange Offer
shall be conditioned on receipt of the Requisite Consent and execution of the
Amendments related thereto and on consummation of the Merger.

          (c) Parent and the Company shall cooperate with each other with
respect to the Exchange Offer and the preparation, form and content of the
Exchange Offer Statement to be distributed to the holders of the Notes.


                                                                              54
<PAGE>

                                   ARTICLE VI

                              Conditions Precedent

          SECTION 6.01. Conditions to Each Party's Obligation To Effect the
Merger. The respective obligation of each party to effect the Merger is subject
to the satisfaction or waiver on or prior to the Closing Date of the following
conditions:

          (a) Shareholder Approval. The Company Shareholder Approval shall have
been obtained.

          (b) HSR Act. The waiting period (and any extension thereof) applicable
to the Merger under the HSR Act shall have been terminated or shall have
expired.

          (c) Consents. Each party shall have received reasonably satisfactory
evidence that Parent or the Company shall have obtained (i) all material
consents, approvals, authorizations, qualifications and orders of all
Governmental Entities legally required in connection with this Agreement and the
transactions contemplated by this Agreement and (ii) all other consents,
approvals, authorizations, qualifications and orders of Governmental Entities or
third parties required in connection with this Agreement and the transactions
contemplated by this Agreement, except, in the case of this clause (ii), for
those the failure of which to be obtained individually or in the aggregate could
not reasonably be expected to have a Material Adverse Effect on the Company or
Parent, as the case may be.

          (d) No Restraints. No judgment, order, decree, injunction, statute,
law, ordinance, rule or regulation, entered, enacted, promulgated, enforced or
issued by any court or other Governmental Entity of competent jurisdiction or
other legal restraint or prohibition (collectively, "Restraints") shall be in
effect, and there shall not be pending any suit, action or proceeding by any
Governmental Entity, (i) preventing, or seeking to prevent, the consummation of
the Merger or (ii) which otherwise could reasonably be expected to have a
Material Adverse Effect on the Company or Parent, as the case may be.

          (e) Form S-4. The Form S-4 shall have become effective under the
Securities Act. No stop order suspending the effectiveness of the Form S-4 shall
have been issued by the SEC and no proceedings for that purpose shall have been
initiated or, to the knowledge of Parent or the Company, threatened by the SEC
and not concluded or


                                                                              55
<PAGE>

withdrawn. Parent shall have received all other federal or state securities
permits and other authorizations necessary to issue Parent Class A Common Stock
in exchange for Company Common Stock and to consummate the Merger.

          (f) Nasdaq Quotation. The shares of Parent Class A Common Stock
issuable to the Company's shareholders in the Merger (and the shares of Parent
Class A Common Stock issuable upon exercise of Company Stock Options adjusted as
described in Section 5.05(a)) as contemplated by this Agreement shall have been
approved for quotation on Nasdaq, subject to official notice of issuance.

          SECTION 6.02. Conditions to Obligations of Parent and Sub. The
obligation of Parent and Sub to effect the Merger is further subject to
satisfaction or waiver of the following conditions:

          (a) Representations and Warranties. The representations and warranties
of the Company set forth herein that are qualified as to materiality shall be
true and correct, and those that are not so qualified shall be true and correct
in all material respects, in each case as of the date hereof and as of the
Closing Date, with the same effect as if made at and as of such time (except to
the extent expressly made as of an earlier date, in which case as of such date).
Parent shall have received a certificate signed by the chief executive officer
of the Company to such effect.

          (b) Performance of Obligations of the Company. The Company shall have
performed in all material respects all obligations required to be performed by
it under this Agreement at or prior to the Closing Date. Parent shall have
received a certificate signed by the chief executive officer of the Company to
such effect.

          (c) Consent Solicitation. The Company shall have obtained the
Requisite Consent with respect to the Consent Solicitation in form and substance
satisfactory to Parent in its sole discretion and the indenture trustees shall
have executed the Amendments in connection therewith.

          SECTION 6.03. Conditions to Obligations of the Company. The
obligations of the Company to effect the Merger and the other transactions
contemplated herein are further subject to satisfaction or waiver of the
following conditions:

          (a) Representations and Warranties. The representations and warranties
of Parent and Sub set forth


                                                                              56
<PAGE>

herein that are qualified as to materiality shall be true and correct, and those
that are not so qualified shall be true and correct in all material respects, in
each case as of the date hereof and as of the Closing Date, with the same effect
as if made at and as of such time (except to the extent expressly made as of an
earlier date, in which case as of such date). The Company shall have received a
certificate signed by the chief executive officer of Parent to such effect.

          (b) Performance of Obligations of Parent and Sub. Parent and Sub shall
have performed in all material respects all obligations required to be performed
by them under this Agreement at or prior to the Closing Date. The Company shall
have received a certificate signed by the chief executive officer of Parent to
such effect.

          (c) Tax Opinions. The Company shall have received from Munsch Hardt
Kopf & Harr, P.C., counsel to the Company, on the date on which the Form S-4 is
filed with the SEC and on the Closing Date, an opinion, in each case dated as of
such respective date and to the effect that: (i) the Merger will qualify for
U.S. Federal income tax purposes as a "reorganization" within the meaning of
Section 368(a) of the Code and (ii) the Company and Parent will each be a "party
to a reorganization" within the meaning of Section 368(b) of the Code. The
issuance of such opinion shall be conditioned upon the receipt by such counsel
of representation letters from each of the Company and Parent in substantially
the same form as Exhibits B and C, respectively.

          (d) Financing Arrangements. The financing arrangements dated as of the
date hereof, among Parent, the Company and the lenders party thereto (the
"Financing Arrangements") shall be in full force and effect as of the Closing
Date, and Parent shall have performed all of its material payment obligations
thereunder from the date of its effectiveness through and including the Closing
Date and shall not be in default thereunder as of the Closing Date.

          SECTION 6.04. Frustration of Closing Conditions. None of Parent, Sub
or the Company may rely on the failure of any condition set forth in Section
6.01, 6.02 or 6.03, as the case may be, to be satisfied if such failure was
caused by such party's failure to use its commercially reasonable efforts to
consummate the Merger and the other transactions contemplated by this Agreement
and the Voting and Option Agreement, as required by and subject to Section 5.04.


                                                                              57
<PAGE>

                                   ARTICLE VII

                        Termination, Amendment and Waiver

          SECTION 7.01. Termination. This Agreement may be terminated at any
time prior to the Effective Time, whether before or after the Company
Shareholder Approval:

          (a) by mutual written consent of Parent and the Company;

          (b) by either Parent or the Company:

               (i) if the Merger shall not have been consummated by March 31,
          2001; provided, however, that the right to terminate this Agreement
          pursuant to this Section 7.01(b)(i) shall not be available to any
          party whose failure to perform any of its obligations under this
          Agreement results in the failure of the Merger to be consummated by
          such time;

               (ii) if the Company Shareholder Approval shall not have been
          obtained at a Company Shareholders Meeting duly convened therefor or
          at any adjournment or postponement thereof;

               (iii) if any Restraint having any of the effects set forth in
          Section 6.01(d) shall be in effect and shall have become final and
          nonappealable; provided that the party seeking to terminate this
          Agreement pursuant to this Section 7.01(b)(iii) shall have used its
          commercially reasonable efforts to prevent the entry of and to remove
          such Restraint;

          (c) by Parent, if the Company shall have breached or failed to perform
     in any material respect any of its representations, warranties, covenants
     or other agreements contained in this Agreement, which breach or failure to
     perform (A) would give rise to the failure of a condition set forth in
     Section 6.02(a) or (b), and (B) has not been or is incapable of being cured
     by the Company within 30 calendar days after its receipt of written notice
     from Parent;

          (d) by the Company, if Parent shall have breached or failed to perform
     in any material respect any of its representations, warranties, covenants
     or other agreements contained in this Agreement, which breach or failure to
     perform (A) would give rise to the failure


                                                                              58
<PAGE>

     of a condition set forth in Section 6.03(a) or (b), and (B) has not been or
     is incapable of being cured by Parent within 30 calendar days after its
     receipt of written notice from the Company;

          (e) by Parent, in the event a Company Adverse Recommendation Change
     shall have occurred;

          (f) by the Company, if Parent shall have breached or failed to perform
     in any material respect any of its covenants or other agreements contained
     in the Financing Arrangements, which breach or failure to perform has not
     been or is incapable of being cured by Parent within 30 calendar days after
     its receipt of written notice from the Company; or

          (g) by Parent, if the condition described in Section 6.02(c) shall not
be satisfied within 30 days following the date of this Agreement.

          SECTION 7.02. Effect of Termination. In the event of termination of
this Agreement by either the Company or Parent as provided in Section 7.01, this
Agreement shall forthwith become void and have no effect, without any liability
or obligation on the part of Parent or the Company, other than the provisions of
Section 3.01(p), Section 3.02(k), the last sentence of Section 5.03, Section
5.08, this Section 7.02 and Article VIII, which provisions survive such
termination, and except to the extent that such termination results from the
willful and material breach by a party of any of its representations,
warranties, covenants or agreements set forth in this Agreement, including
Section 4.02.

          SECTION 7.03. Amendment. This Agreement may be amended by the parties
at any time before or after the Company Shareholder Approval; provided, however,
that after any such approval, there shall not be made any amendment that by law
requires further approval by the shareholders of the Company without the further
approval of such shareholders. This Agreement may not be amended except by an
instrument in writing signed on behalf of each of the parties.

          SECTION 7.04. Extension; Waiver. At any time prior to the Effective
Time, a party may (a) extend the time for the performance of any of the
obligations or other acts of the other parties, (b) waive any inaccuracies in
the representations and warranties of the other parties contained in this
Agreement or in any document delivered pursuant to this Agreement or (c) subject
to the proviso of


                                                                              59
<PAGE>

Section 7.03, waive compliance by the other party with any of the agreements or
conditions contained in this Agreement. Any agreement on the part of a party 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 failure of any party to this
Agreement to assert any of its rights under this Agreement or otherwise shall
not constitute a waiver of such rights.


                                  ARTICLE VIII

                               General Provisions

          SECTION 8.01. Nonsurvival of Representations and Warranties. None of
the representations, warranties, covenants or agreements in this Agreement or in
any instrument delivered pursuant to this Agreement shall survive the Effective
Time. This Section 8.01 shall not limit any covenant or agreement of the parties
which by its terms contemplates performance after the Effective Time.

          SECTION 8.02. Notices. All notices, requests, claims, demands and
other communications under this Agreement shall be in writing and shall be
deemed given if delivered personally, telecopied (which is confirmed) or sent by
overnight courier (providing proof of delivery) to the parties at the following
addresses (or at such other address for a party as shall be specified by like
notice):

          (a) if to Parent or Sub, to

               McLeodUSA Incorporated
               McLeodUSA Technology Park
               6400 C Street SW
               P.O. Box 3177
               Cedar Rapids, IA 52406-3177

               Telecopy No.: Separately supplied

               Attention: Randall Rings, Esq.
                          Vice President, General Counsel
                          and Secretary


                                                                              60
<PAGE>

               with a copy to:

               Cravath, Swaine & Moore
               Worldwide Plaza
               825 Eighth Avenue
               New York, NY 10019

               Telecopy No.: Separately supplied

               Attention: Robert I. Townsend, III, Esq.;

               and

          (b) if to the Company, to

               CapRock Communications Corp.
               15601 Dallas Parkway, Suite 700
               Dallas, TX 75248

               Telecopy No.: Separately supplied

               Attention: Leo J. Cyr
                          President and Chief Operating
                          Officer

               with a copy to:

               Munsch Hardt Kopf & Harr, P.C.
               4000 Fountain Place
               1445 Ross Avenue
               Dallas, TX 75202

               Telecopy No.: Separately supplied

               Attention: Mike Hainsfurther, Esq.

          SECTION 8.03. Definitions. For purposes of this Agreement:

          (a) an "Affiliate" of any person means another person that directly or
     indirectly, through one or more intermediaries, controls, is controlled by,
     or is under common control with, such first person, where "control" means
     the possession, directly or indirectly, of the power to direct or cause the
     direction of the management policies of a person, whether through the
     ownership of voting securities, by contract, as trustee or executor, or
     otherwise;


                                                                              61
<PAGE>

          (b) "Business Day" means any day other than Saturday, Sunday or any
     other day on which banks are legally permitted to be closed in New York;

          (c) "Company Stock Option" means any option to purchase Company Common
     Stock granted under the Company Stock Plans, including options assumed by
     the Company;

          (d) "Company Stock Plans" means the 1998 Equity Incentive Plan and the
     1998 Director Stock Option Plan of the Company, the CapRock
     Telecommunications Nonqualified Stock Option Plan, the CapRock Services
     Employee Incentive Stock Option Plan, the CapRock Services 1997 Stock
     Option Plan and the CapRock Services 1997 Director Stock Option Plan;

          (e) "Knowledge" of any person that is not an individual means, with
     respect to any specific matter, the knowledge of such person's executive
     officers and other officers having primary responsibility for such matter,
     in each case after due inquiry;

          (f) "Liens" means any mortgage, lien, pledge, encumbrance, security
     interest, deed of trust, option, encroachment, reservation, order, decree,
     judgment, condition, restriction, charge, agreement, claim or equity of any
     kind, other than: (i) taxes not yet due or the validity of which is being
     contested in good faith by appropriate proceedings, and as to which the
     Company or Parent, as the case may be, shall, if appropriate under GAAP,
     have set aside in its financial statements and on its books and records
     adequate reserves; and (ii) deposits under workmen's compensation,
     unemployment insurance, social security and other similar laws, or to
     secure the performance of bids, tenders or contracts (other than for the
     repayment of borrowed money) or to secure statutory obligations or surety
     or appeal bonds, or to secure indemnity, performance or other similar bonds
     in the ordinary course of business;

          (g) "Material Adverse Change" or "Material Adverse Effect" means any
     change, effect or event that, individually or when taken together with all
     other such changes, effects or events, is or is reasonably likely to be
     materially adverse to the business, operations, condition (financial or
     otherwise), assets or liabilities of a person and its Subsidiaries, taken
     as a whole, other than (i) adverse effects caused by changes in the economy
     generally or in securities markets generally or in such person's industry
     (and


                                                                              62

<PAGE>

     those of its Subsidiaries) in general and not specifically relating to such
     entity; (ii) the loss of personnel or suppliers or the delay or
     cancellation of orders for the person's services or similar occurrences
     which are the direct and proximate result of the announcement of this
     Agreement and the transactions contemplated hereby; (iii) events set forth
     in Section 8.03(g) of the Company Disclosure Schedule; or (iv) litigation
     brought by or threatened against such person or any member of its Board of
     Directors based upon this Agreement and the transactions contemplated
     hereby;

          (h) "person" means an individual, corporation, partnership, limited
     liability company, joint venture, association, trust, unincorporated
     organization or other entity; and

          (i) a "Subsidiary" of any person means another person, an amount of
     the voting securities, other voting rights or voting partnership interests
     of which is sufficient to elect at least a majority of its Board of
     Directors or other governing body (or, if there are no such voting
     interests, 50% or more of the equity interests of which) is owned directly
     or indirectly by such first person.

          SECTION 8.04. Interpretation. When a reference is made in this
Agreement to an Article, Section, Subsection or Exhibit, such reference shall
be to an Article, Section or Subsection of, or an Exhibit to, this Agreement
unless otherwise indicated. 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. Whenever the words
"include", "includes" or "including" are used in this Agreement, they shall
be deemed to be followed by the words "without limitation". The words
"hereof", "herein" and "hereunder" and words of similar import when used in
this Agreement shall refer to this Agreement as a whole and not to any
particular provision of this Agreement. All terms defined in this Agreement
shall have the defined meanings when used in any certificate or other
document made or delivered pursuant hereto unless otherwise defined therein.
The definitions contained in this Agreement are applicable to the singular as
well as the plural forms of such terms and to the masculine as well as to the
feminine and neuter genders of such term. Any agreement, instrument or
statute defined or referred to herein or in any agreement or instrument that
is referred to herein means such agreement, instrument or statute as from
time to time amended, modified

                                                                              63

<PAGE>

or supplemented, including (in the case of agreements or instruments) by waiver
or consent and (in the case of statutes) by succession of comparable
successor statutes and references to all attachments thereto and instruments
incorporated therein. References to a person are also to its permitted
successors and assigns. Terms used herein that are defined under GAAP are
used herein as so defined.

          SECTION 8.05. 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 parties.

          SECTION 8.06. Entire Agreement; No Third-Party Beneficiaries. This
Agreement (including the documents and instruments referred to herein), the
Voting and Option Agreement, and the Confidentiality Agreement (a) constitute
the entire agreement, and supersede all prior agreements and understandings,
both written and oral, among the parties with respect to the subject matter of
this Agreement and (b) except for the provisions of Article II and Section 5.07,
are not intended to confer upon any person other than the parties any rights or
remedies.

          SECTION 8.07. 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 conflict of
laws thereof (except to the extent that the provisions of the TBCA shall be
mandatorily applicable to the Merger).

          SECTION 8.08. Assignment. Neither this Agreement nor any of the
rights, interests or obligations under this Agreement shall be assigned, in
whole or in part, by operation of law or otherwise by either of the parties
hereto without the prior written consent of the other party. Any assignment in
violation of the preceding sentence shall be void. Subject to the preceding two
sentences, this Agreement will be binding upon, inure to the benefit of, and be
enforceable by, the parties and their respective successors and assigns.

          SECTION 8.09. Enforcement. The parties agree that irreparable
damage would occur and that the parties would not have any adequate remedy at
law in the event that any of the provisions 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 an injunction
or injunctions to prevent


                                                                             64
<PAGE>

breaches of this Agreement and to enforce specifically the terms and
provisions of this Agreement in any Federal court located in the State of
Delaware or in Delaware state court, this being in addition to any other
remedy to which they are entitled at law or in equity. In addition, each of
the parties hereto (a) consents to submit itself to the personal jurisdiction
of any Federal court located in the State of Delaware or any Delaware state
court in the event any dispute arises out of this Agreement or any of the
transactions contemplated by this Agreement, (b) agrees that it will not
attempt to deny or defeat such personal jurisdiction by motion or other
request for leave from any such court, and (c) agrees that it will not bring
any action relating to this Agreement or any of the transactions contemplated
by this Agreement in any court other than a Federal court sitting in the
State of Delaware or a Delaware state court.

                                                                              65

<PAGE>

          IN WITNESS WHEREOF, Parent, Sub and the Company have caused this
Agreement to be signed by their respective officers thereunto duly authorized,
all as of the date first written above.

                                        MCLEODUSA INCORPORATED,

                                          by /s/ BLAKE O. FISHER, JR.
                                             -----------------------------------
                                             Name: Blake O. Fisher, Jr.
                                             Title: Group Vice President and
                                                    Chief Planning and
                                                    Development Officer


                                        CACTUS ACQUISITION CORP.,

                                          by /s/ BLAKE O. FISHER, JR.
                                             -----------------------------------
                                             Name: Blake O. Fisher, Jr.
                                             Title: Vice President


                                        CAPROCK COMMUNICATIONS CORP.,

                                          by /s/ JERE W. THOMPSON, JR.
                                             -----------------------------------
                                             Name: Jere W. Thompson, Jr.
                                             Title:


                                                                              66


<PAGE>


                                                                         ANNEX I
                                                         TO THE MERGER AGREEMENT


                             Index of Defined Terms

<TABLE>
<CAPTION>
Term                                          Page
----                                          ----
<S>                                           <C>

Accounting Rules................................15
Actions.........................................39
Acquisition Agreement...........................41
Affiliate.......................................60
Agreement........................................1
Amendments......................................52
Business Day....................................61
Certificate of Merger............................3
Certificate......................................4
Closing..........................................2
Closing Date.....................................2
Code.............................................1
Commonly Controlled
  Entity........................................20
Communications Act..............................14
Company..........................................1
Company Adverse
  Recommendation Change.........................41
Company Benefit
  Agreements....................................17
Company Benefit Plans...........................19
Company Common Stock.............................1
Company Consolidated
  Group.........................................24
Company Disclosure
  Schedule.......................................9
Company Filed SEC
  Documents.....................................16
Company Permits.................................17
Company Preferred Stock.........................10
Company SEC Documents...........................14
Company Shareholder
  Approval......................................24
Company Shareholders
  Meeting.......................................44
Company Stock Option............................61
Company Stock Plans.............................61
Company Superior Proposal.......................41
Company Takeover Proposal.......................40
Confidentiality Agreement.......................44
Consent Solicitation............................52
Contract........................................13
Covenant Amendments.............................52
Dakota Acquisition Stock........................27
DGCL.............................................2
Diamond Partners Options........................27
Effective Time...................................3
11 1/2% Indenture...............................52
11 1/2% Notes...................................52
Environmental Laws..............................18
ERISA...........................................20
Exchange Act....................................14
Exchange Agent...................................5
Exchange Consideration..........................53
Exchange Offer Statement........................53
Exchange Ratio...................................4
FAA.............................................14
FCC.............................................14
Financing Arrangements..........................56
Form S-4........................................15
GAAP............................................15
Governmental Entity.............................13
Hazardous Materials.............................18
HSR Act.........................................13
Indentures .....................................52
Inlet Options...................................27
Intellectual Property
  Rights........................................25
Knowledge.......................................61
Liens...........................................61
Material Adverse Change.........................61
Material Adverse Effect.........................61
Merger...........................................1
Merger Amendments...............................52
Merger Consideration.............................4
Nasdaq...........................................7
Notes ..........................................52
Notes Exchange Offer ...........................53
Notice of Company Superior
  Proposal......................................42
Noverr Options..................................27
Parachute Gross-Up
  Payment.......................................22
Parent...........................................1
Parent Class A Common
  Stock..........................................1
Parent Class B Common
  Stock.........................................26
Parent Class B Options..........................28
Parent Class II Preferred
  Stock.........................................27
Parent Disclosure
  Schedule......................................26
Parent ESPP.....................................27


<PAGE>

<S>                                           <C>
Parent Filed SEC
  Documents.....................................33
Parent Notes ...................................53
Parent Plan.....................................47
Parent Preferred Stock..........................26
Parent SEC Documents............................31
Parent Series A Preferred
  Stock.........................................26
Parent Series B Preferred
  Stock.........................................26
Parent Series C Preferred
  Stock.........................................27
Parent Stock Options............................27
Parent Stock Plans..............................27
Parent 401(k)...................................28
Post-Signing Returns............................38
Proxy Statement.................................14
PUC(s)..........................................14
QST Options.....................................27
Representatives.................................40
Requisite Consent ..............................53
Restraints......................................54
SEC.............................................13
Securities Act..................................14
Sub..............................................1
Subsidiary......................................62
Surviving Corporation............................2
Taxes...........................................23
TBCA.............................................2
Termination Fee.................................50
Transition Period...............................47
12% Indenture ..................................52
12% Notes........................................5
Voting and Option
  Agreement......................................1
</TABLE>




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