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                                                                    EXHIBIT 4.11

                                 ADDENDUM TO THE
                           FIRST AMENDED AND RESTATED
                          REGISTRATION RIGHTS AGREEMENT

         This Addendum to the First Amended and Restated Registration Rights
Agreement, effective as of the 27th day of January, 2000, is by and between
Archstone Communities Investment LLC-I ("ARCHSTONE") and BroadbandNOW, Inc., a
Delaware corporation (the "COMPANY"). All capitalized terms not defined herein
have the definition assigned in that certain First Amended and Restated
Registration Rights Agreement (the "REGISTRATION RIGHTS AGREEMENT"), dated
January 25, 2000, by and among the Company and the Purchasers (as defined
below).

                              W I T N E S S E T H:

         WHEREAS, the Company and each of Liberty BBandnow Holdings, LLC,
Archstone, Archstone Communities Trust, Microsoft Corporation, TeleNet Capital
Group, LLC, Telecommunications Investments, LLC, Summit Properties, Inc., CFE,
Inc., Nortel Networks Inc., Ascend Communications Inc., Blue Ridge Investors II
Limited Partnership, I3S Funding I, LLC, Blue Ridge Investors Limited
Partnership, and Paradigm/I3S L.P. (collectively, the "PURCHASERS") previously
entered into the Registration Rights Agreement to grant the Purchasers certain
registration rights; and

         WHEREAS, Section 11 of the Registration Rights Agreement provides that
purchasers of Series A Convertible Preferred Stock pursuant to Section 1 of the
Certificate of Designation may be granted registration rights pari passu with
the registration rights granted in the Registration Rights Agreement; and

         WHEREAS, Archstone has previously purchased shares of Series A
Convertible Preferred Stock; and

         WHEREAS, Archstone and the Company are parties to that certain Series A
Convertible Preferred Stock Purchase Agreement, dated as of the date hereof (the
"PURCHASE AGREEMENT"), whereby Archstone shall purchase and the Company shall
issue and sell an additional 26,596 shares of Series A Convertible Preferred
Stock (the "ADDITIONAL SHARES"); and

         WHEREAS, the obligations of Archstone under the Purchase Agreement are
conditioned among other things, upon the execution and delivery of this Addendum
Agreement by the Company; and

         WHEREAS, the Company desires to add Archstone as a party to the
Registration Rights Agreement with respect to the Additional Shares.

         NOW, THEREFORE, in consideration of the premises and mutual covenants
in the Registration Rights Agreement and herein, and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
undersigned parties hereto agree that Archstone shall be bound by, and shall
have the rights, obligations and benefit of, all the terms and conditions set
out in the Registration Rights Agreement, which are incorporated herein by
reference, as a "Purchaser" and as a "Holder".

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         This Addendum to the First Amended and Restated Registration Rights
Agreement is executed as of the date first above written.

                          ARCHSTONE COMMUNITIES
                          INVESTMENT LLC-I

                          By:  Archstone Communities Trust,
                                its Manager

                               By:    /s/ CHARLES E. MUELLER, JR.
                                  ----------------------------------------------
                               Name:  Charles E. Mueller, Jr.
                               Title: Chief Financial Officer

                           BROADBANDNOW, INC.

                           By: /s/ DANIEL A. GILLETT
                               -------------------------------------------------
                               Daniel A. Gillett,  Vice President of Corporate
                               Development and Chief Financial Officer<PAGE>   1
                                                                    EXHIBIT 10.1

                              EMPLOYMENT AGREEMENT

         This EMPLOYMENT AGREEMENT (this "AGREEMENT"), dated as of the 24th day
of June, 1999, is between I 3S, Inc., a Texas corporation (the Company with
offices at 1440 Corporate Drive, Irving, Texas 75038, and James R. Price, an
individual, with an address at 7607 Sweetgum, Irving, Texas 75063 ("EXECUTIVE").

                                   WITNESSETH:

         WHEREAS, in recognition of the valuable nature of Executive's
management capabilities to the business of Company, Company desires to enter
into this Agreement with Executive to be effective as of the date above first
written (the "EFFECTIVE DATE"); and

         WHEREAS, Executive desires to enter into this Agreement with Company
and to be employed by Company in the capacity, for the period, and on the terms
and conditions set forth herein;

         NOW THEREFORE, in consideration of the mutual covenants, agreements and
conditions contained herein, the parties hereto intending to be legally bound do
hereby covenant and agree as follows:

         1. Employment.

            (a) Company hereby agrees to employ Executive, and Executive hereby
         agrees to serve Company, as Chief Executive Officer (subject to
         approval by the Board of Directors of Company from time to time
         hereafter), and, subject to the direction of the Board of Directors of
         Company and their designates, to perform such duties, functions and
         responsibilities commensurate with and appropriate to such position,
         and as the same may be from time to time set forth in the By-laws of
         Company or otherwise delegated to Executive by the Board of Directors
         of Company or their designates. As of the effective date of this
         Agreement, said duties, responsibilities and functions of Executive are
         set forth in SCHEDULE A attached hereto and incorporated herein by
         reference for all purposes.

            (b) Executive shall receive from Company the necessary power and
         authority to carry out and discharge such duties, functions and
         responsibilities.

            (c) Executive shall be a full time employee of Company and shall
         devote his commercially reasonable efforts to the performance,
         discharge and fulfillment of all such duties, functions and
         responsibilities.

            (d) Executive will perform his services in Dallas County, Texas,
         U.S.A., or at such other location as may be mutually agreed upon by the
         Board of Directors of Company, or their designates, and Executive.

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         2. Term of Employment.

            (a) Subject to the provisions for termination as hereinafter
         provided, the term of employment under this Agreement shall be
         effective as of the date first above written and shall continue through
         June 30, 2001, provided, however, that beginning on June 30, 2000 and
         on June 30 each year thereafter (each such June 30 being referred to as
         a "RENEWAL DATE"), the term of this Agreement shall automatically be
         extended for an additional one year so that on each Renewal Date the
         then remaining unexpired term of this Agreement shall be two years,
         unless either party gives the other written notice of non-renewal at
         least ninety (90) days prior to any such Renewal Date.

            (b) This Agreement shall terminate prior to the expiration of the
         initial term or any renewal term of this Agreement upon the earliest to
         occur of the following:

                (i) the death or permanent disability (as defined in Company's
             permanent disability insurance program then in effect covering
             Executive) of Executive; provided, however, that Company shall
             remain responsible for and shall satisfy its obligations under its
             life and permanent disability insurance programs then in effect
             covering Executive as are referred to in SCHEDULE B attached hereto
             and incorporated herein by reference for all purposes; and further
             provided, however, that in addition to Company's obligations to
             Executive under its life and permanent disability insurance
             programs then in effect covering Executive, Company shall pay (a)
             to any beneficiary or beneficiaries designated by the Executive in
             writing or, if none, to his estate or other legal representative in
             the event of Executive's death, or (b) to Company in the event of
             his permanent disability a pro rata portion of the Annual Base
             Salary to the last day of the month in which his death occurs and,
             in lieu of the maximum bonus provided for in SUBSECTION 3(C), an
             amount equal to a pro rata portion (based on the number of months
             or portions thereof elapsed to the date of the Executive's death)
             of the Annual Incentive Bonus, if any, paid or anticipated to be
             payable to the Executive in respect of the then current year of
             Executive's employment hereunder;

                (ii) as permitted by SECTION 6 hereof by Executive for "Good
             Reason" (as hereinafter defined) pursuant to SECTION 6;

                (iii) as permitted by Section 7 hereof by Executive upon a
             "Change of Control of the Company" (as hereinafter defined pursuant
             to SECTION 7; or

                (iv) as permitted by SECTION 7 hereof, by Company for
             "Cause" (as hereinafter defined) pursuant to SECTION 7.

         SECTIONS 6, 7, 8, 11 AND 12 shall survive the termination of this
Agreement.

         3. Compensation.

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            (a) In consideration for all of the services to be rendered by
         Executive to Company, Company shall pay Executive an annual base salary
         of Two Hundred Forty Thousand Dollars ($240,000), subject to such
         annual increases as approved by the Board of Directors or any
         authorized committee thereof (the "COMPENSATION COMMITTEE"), but no
         less than the increase in the U.S. government's Consumer Price Index,
         all markets, for the prior twelve months (such annual base salary, as
         it may be increased from time to time hereafter, being herein referred
         to as the "ANNUAL BASE SALARY").

            (b) The Annual Base Salary shall be paid to Executive in periodic
         installments throughout the year in accordance with Company's normal
         and customary pay policy for executive officers of Company.

            (c) In addition to the Annual Base Salary to be paid pursuant to
         SUBSECTION 3(A) of this Agreement, during the term of this Agreement or
         any renewal or extension, the Company shall pay to the Executive as
         incentive compensation annual bonuses in accordance with the incentive
         bonus plan(s) adopted from time to time by the Board or the
         Compensation Committee of the Board, as the case may be. Such plan,
         among other things, shall establish a maximum bonus equal to 50% of the
         Executive's Annual Base Salary.

            (d) The amount of the Annual Base Salary and any other amounts
         payable pursuant to this Agreement are gross amounts due by Company to
         Executive hereunder, and Company shall have the right to deduct
         therefrom all taxes and other amounts which may be required to be
         deducted or withheld by law (including, but not limited to, federal
         income tax withholding and social security payments), whether such law
         is now in effect or becomes effective after the date of this Agreement.

            (e) Company has adopted certain equity-based incentive compensation
         plans (collectively, the "PLAN") providing for annual or other periodic
         awards to key employees of, among other things, options to purchase the
         Company's common stock. The Executive has not previously been granted
         under the Plan options to purchase shares of the Company's Class A
         Common Stock, no par value ("COMMON STOCK"). Upon the execution of this
         Agreement, the Company shall grant Executive an option or options to
         purchase 170,000 shares of Common Stock under the Plan. The exercise
         price of such newly granted options shall be $18.80 per share, the
         current fair market value. To the extent possible, such options shall
         be "incentive stock options." Such options shall vest upon the earlier
         of (i) an initial public offering; (ii) a Change of Control of the
         Company (as hereinafter defined); or (iii) one-third of the options to
         be granted hereunder at the end of each year of the three-year period
         commencing upon the date of this Agreement.

            (f) In addition to the foregoing, in the event that Company grants
         stock options or similar incentives to its officers and employees from
         time to time hereafter, Executive shall be allowed to participate in
         any such future stock options or similar incentives on such terms as
         are approved by the Board of Directors of Company or the Compensation
         Committee and are offered to other executive officers of Company.

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         4. Executive Benefits and Business Expenses.

            (a) During the term hereof, Executive shall be entitled to
         participate in such employee benefit plans and programs maintained by
         the Company for the benefit of its executive officers, and to
         participate in applicable new or amended programs, including, but not
         limited to, medical, dental, health, life, accident and disability
         insurance programs, savings for retirement plans, bonus, stock option
         plans, and any other incentive compensation plans.

            (b) Executive shall be reimbursed for any necessary business
         expenses reasonably incurred by Executive in carrying out Executive's
         duties, functions and responsibilities hereunder except for expenses
         related to local business travel (excluding taxi fares to and from the
         airport and parking and toll charges).

            (c) Executive shall receive a cash allowance of $650 per month to
         cover all costs of local business travel, excluding taxi fares to and
         from the airport and parking and toll charges.

         5. Vacation and Sick Leave Time.

         Executive shall be entitled to annual vacation and sick leave time
pursuant to the plan or policy currently in effect, or as hereafter may be
amended, available for other executive officers of Company. Vacation time shall
accrue monthly at a rate equal to four (4) weeks paid vacation every year
throughout the term of this Agreement.

         6. Termination. In the event of (a) termination by the Company or any
successor of the Executive's employment hereunder without Cause, or (b)
Executive terminates his employment for Good Reason, then Executive shall be
entitled to receive: (i) 24 equal monthly installments beginning on the date of
such termination an amount (the "TERMINATION AMOUNT") equal to (x) the sum of
one-twelfth of the then Annual Base Salary plus (y)100% of the maximum bonus
provided in SUBSECTION 3(B); (ii) Executive's outstanding stock options and any
stock subject to restricted stock purchase agreements shall accelerate and fully
vest; and (iii) to the extent permitted by law, accounts under any Company
deferred compensation plans or arrangements shall accelerate and fully vest,
including as to any amounts contributed by the Company for the year in which the
termination occurs.

         For the purpose of this Agreement, "GOOD REASON" is defined as (a) the
significant reduction of the Executive's title, duties, authority or
responsibilities, relative to the Executive's title, duties, authority or
responsibilities as in effect immediately prior to such reduction; (b) a
reduction by the Company in the Base Salary or bonus target amount of the
Executive as in effect immediately prior to such reduction; (c) the relocation
of the Executive to a facility or a location more than thirty (30) miles from
the Executive's then present location for a period in excess of 120 days,
without the Executive's express written consent; (d) any material breach of

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this Agreement by the Company, or (e) any act or set of facts or circumstances
which would, under Texas case law or statute, constitute a constructive
termination of the Executive.

         7. Change of Control. In the event of a Change of Control of the
Company, at the option of the Executive, (a) the term of employment shall
terminate, (b) Executive's outstanding stock options and any stock subject to
restricted stock purchase agreements shall accelerate and fully vest, and (c)
the Company shall pay Executive an amount equal to two times the sum of (i) the
Annual Base Salary as in effect as of the date immediately prior to such Change
of Control, plus (ii) 100% of Executive's maximum bonus provided for in
SUBSECTION 3(C).

         For this purpose, "CHANGE OF CONTROL OF THE COMPANY" is defined as:

            (a) Any "person" (as such term is used in Sections 13(d) and 14(d)
         of the Securities Exchange Act of 1934, as amended) becomes the
         "beneficial owner" (as defined in Rule 13d-3 under said Act), directly
         or indirectly, of securities of the Company representing 50% or more of
         the total voting power represented by the Company's then outstanding
         voting securities; or

            (b) A change in the composition of the Board of Directors of the
         Company occurring within a two-year period, as a result of which fewer
         than a majority of the directors are Incumbent Directors. "INCUMBENT
         DIRECTORS" means directors who either (i) are directors of the Company
         as of the date hereof, or (ii) are elected, or nominated for election,
         to the Board of Directors of the Company with the affirmative votes of
         at least a majority of the Incumbent Directors at the time of such
         election or termination (but shall not include an individual whose
         election or nomination is in connection with an actual or threatened
         proxy contest relating to the election of directors to the Company); or

            (c) The consummation of a merger or consolidation of the Company
         with any other corporation other than a merger or consolidation which
         would result in the voting securities of the Company outstanding
         immediately prior thereto continuing to represent (either by remaining
         outstanding or by being converted into voting securities of the
         surviving entity) at least fifty percent (50%) of the total voting
         power represented by the voting securities of the Company or such
         surviving entity outstanding immediately after such merger or
         consolidation; or

            (d) The consummation of the sale or disposition by the Company of
         all or substantially all of the Company's assets.

         8. Golden Parachute Gross-Up for Taxes. In the event that the benefits
provided for in this Agreement or otherwise payable to the Executive constitute
"parachute payments" within the meaning of Section 280G of the Internal Revenue
Code of 1986, as amended (the "CODE") or any successor provision and as a result
are subject to the excise tax imposed by Section 4999 of the Code or any
successor provision, then the Executive shall receive (a) a lump-sum cash

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payment from the Company sufficient to pay such excise tax, and (b) an
additional lump-sum cash payment from the Company sufficient to pay the excise
tax and all federal and state income taxes arising from the payments made by the
Company to Executive pursuant to this sentence. Unless the Company and the
Executive otherwise agree in writing, the determination of Executive's tax
liability arising from such taxes, and the amount required to be paid under this
SECTION 8, shall be made in writing by the Accountants. For purposes of making
the calculations required by this SECTION 8, the Accountants may make reasonable
assumptions and approximations concerning applicable taxes and may rely on
reasonable, good faith interpretations concerning the application of Sections
280G and 4999 of the Code or any successor provision. The Company and the
Executive shall furnish to the Accountants such information and documents as the
Accountants may reasonably request in order to make a determination under this
SECTION 8. The Company shall bear all costs the Accountants may reasonably incur
in connection with any calculations contemplated by this SECTION 8.

         9. Breach by Company; Nonexclusive Remedy.

            (a) In the event of a material breach of this Agreement by Company
         which remains uncured after written notice thereof by Executive to
         Company and the expiration of thirty (30) days opportunity to cure such
         breach, Company shall be obligated to pay Executive as liquidated
         damages, and not as a penalty, in a lump sum or on an annuity basis, at
         Executive's sole option, an amount equal to the Termination Amount. It
         is acknowledged and agreed to by the parties hereto that because actual
         damages would be difficult to ascertain in the event that Company
         materially breaches this Agreement, the amount of liquidated damages
         provided for herein is reasonable and appropriate to remedy any such
         breach and to compensate Executive for any damages incurred by him
         hereunder.

            (b) In the event that Company, or its successor or assigns, fails to
         perform or breaches this Agreement in any material respect and
         Executive shall file any judicial action for enforcement of this
         Agreement and successfully recovers compensation or damages, Executive
         shall be entitled to recover an additional amount as interest at ten
         percent (10%) per annum on the amount owed from the date such amount
         was due and payable, together with all actual expenses and attorneys'
         fees reasonably incurred by Executive in obtaining legal advice
         regarding his rights under this Agreement and in prosecuting and
         disposing of such action.

            (c) The provisions of this SECTION 6 shall not constitute the
         exclusive remedy of Executive for Company's breach of this Agreement.

         10. Breach by Executive.

            (a) In the event that Executive willfully and materially breaches
         this Agreement, Company may terminate this Agreement, at the option of
         Company, (i) effective thirty (30) days after Company gives written
         notice of such termination to Executive, or (ii) effective upon payment
         of thirty (30) days' pay in lieu of notice;

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         provided, however, that Company shall pay to Executive all cash and
         non-cash compensation then accrued under this Agreement to the date of
         such termination.

            (b) A material breach of this Agreement by Executive, in either case
         that is materially detrimental to Company as determined in good faith
         by the Board of Directors of the Company, shall be deemed to have
         occurred upon the happening of any of the following events (for
         "CAUSE"), and the continuation thereof for a period of twenty (20) days
         after notice of such breach from the Company is received by Executive,
         to-wit:

                (i) Executive's wanton or willful misconduct in the
         performance or discharge of any of Executive's duties, functions and
         responsibilities hereunder; or

                (ii) Executive's conviction of any felony offense during the
         term of this Agreement that adversely affects his ability to perform
         and discharge his duties under this Agreement; or

                (iii) Executive's breach of any of Executive's material
         obligations hereunder, including, without limitation, Executive's
         obligations under SECTIONS 11 AND 12 hereof.

         In the event Company elects to terminate Executive pursuant to this
SECTION 7, Company shall give written notice to Executive specifically stating
each fact and reason which is the basis for such termination. Following such
termination, Company shall have no further obligation to Executive under this
Agreement except for accrued and unpaid cash and non-cash compensation payments
then due and owing to Executive.

         11. Covenant not to Compete.

            (a) Executive covenants and agrees that Executive will not during
         the term of this Agreement and for a period of two (2) years following
         the termination of this Agreement, directly or indirectly in the United
         States of America or Canada, as a principal, partner, agent, consultant
         or otherwise of any person, partnership, corporation or other entity,
         engage in or be financially interested in any business or group of
         affiliated or unaffiliated businesses (other than Company) that engages
         in a business which is competitive with any material line of business
         in which the Company or its affiliates then currently engages or which
         the Company or its affiliates are then currently developing.

            (b) Company and Executive hereby agree that in the event that either
         the length of, time or geographical area set forth herein is deemed too
         restrictive by any court of competent jurisdiction, the court may
         reduce such restriction to those which it deems reasonable under the
         circumstances. This SECTION 11 shall not prohibit Executive from
         investing in less than five percent (5%) of any class of equity
         security of a company that has a class of equity security registered
         pursuant to Section 12(b) or 12(g) of the Securities Exchange Act of
         1934.

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         12. Confidentiality, Proprietary Information and Trade Secrets.

            (a) During the term of this Agreement and for a period of two (2)
         years after the termination of this Agreement, Executive shall not use
         for his personal benefit, or disclose, communicate or divulge to, or
         use for the direct or indirect benefit of any person, firm, association
         or company other than Company, any material referred to in SUBSECTIONS
         12(F), (G) AND (H), or any proprietary information regarding the
         business methods, business, policies, procedures, techniques, research
         or development projects or results, trade secrets or other knowledge or
         processes of, or developed by, Company or any names and addresses of
         customers or clients or any data on or relating to past, present or
         prospective customers or clients or any other confidential information
         relating to or dealing with the business operations or activities of
         Company, made known to Executive or learned or acquired by Executive
         while employed by Company.

            (b) During the term of this Agreement and for a period of two (2)
         years after the termination of this Agreement, Executive shall not,
         directly or indirectly, in any geographic area served by Company or its
         affiliates induce or attempt to influence any employee of Company or
         its affiliates to terminate his or her employment with Company or its
         affiliates or to hire any such employee of Company or its affiliates.

            (c) Executive acknowledges and agrees that the restrictions
         contained in SECTION 11 hereof and in SUBSECTIONS 12(a) AND (b) (the
         "RESTRICTIONS"), in view of the nature of the business in which Company
         is engaged, are reasonable and necessary in order to protect the
         legitimate business interests of Company, and that any violation
         thereof would result in irreparable harm to Company, and Executive
         therefore further acknowledges and agrees that, in the event Executive
         violates, or threatens to violate, any of such Restrictions, Company
         shall be entitled to obtain from any court of competent jurisdiction,
         without the posting of any bond or other security, preliminary and
         permanent injunctive or equitable relief as well as damages and an
         equitable accounting of all earnings, profits and other benefits
         arising from such violation, which rights shall be cumulative and in
         addition to any other rights or remedies at law or in equity to which
         Company may be entitled.

            (d) If any Restriction, or any part thereof, is determined in any
         judicial or administrative proceeding to be invalid or unenforceable,
         the remainder of the Restrictions shall not thereby be affected and
         shall be given full effect, without regard to the invalid provisions.

            (e) If Executive violates any of the Restrictions, the restrictive
         period shall not run in favor of Executive from the time of the
         commencement of any such violation until such time as such violation
         shall be cured by Executive to the satisfaction of Company.

            (f) It is recognized that Executive will have access to certain
         confidential information of Company and its affiliates, and that such
         information constitutes valuable,

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         special and unique property of Company and its affiliates. Executive
         shall not at any time during the term of this Agreement and for a
         period of two years after the termination of this Agreement disclose
         any such confidential information to any party for any reason or
         purpose except as may be made in the normal cause of business of
         Company and for its benefit.

            (g) All advertising, sales, and other materials or articles,
         including, without limitation, data processing reports, customer sales
         analyses, invoices, or any other materials or data of any kind
         furnished to Executive by Company or developed by Executive on behalf
         of Company or at Company's direction or for Company's use or otherwise
         in connection with Executive's employment hereunder, are and shall
         remain the sole, exclusive and confidential property of Company. In the
         event that Company requests the return of such materials at any time
         during, upon or after the termination of Executive's employment,
         Executive shall immediately deliver the same, and any and all copies
         thereof, to Company.

            (h) For purposes of this Agreement, Confidential Information shall
         include the Company's trade secrets and proprietary information,
         techniques, sketches, drawings, know-how, processes, apparatus,
         equipment, algorithms, software programs, software source documents and
         formulae related to the current, future and proposed products and
         services of the Company, and/or the Company's parents, subsidiaries,
         customers and/or vendors, whether delivered in written (or other
         tangible) form or verbally, and includes, without limitation,
         information concerning research, design details and specifications,
         financial data, procurement requirements, customer lists, business
         forecasts and purchasing, sales, merchandising, development and
         marketing plans, but shall exclude (i) confidential information that
         was in the public domain at the time it was communicated to the
         Executive; (ii) confidential information that enters the public domain
         subsequent to the time it was communicated to Executive through no
         fault of the Executive; or (iii) confidential information that was in
         Executive's possession free of any obligation of confidence at the time
         it was communicated to Executive.

         13. Representations and Warranties of Executive. Except for
restrictions heretofore disclosed in writing by Executive to Company, Executive
represents and warrants to Company that (a) there are no restrictions,
agreements or understandings whatsoever to which Executive is a party which
would prevent or make unlawful the execution or performance of this Agreement or
his employment hereunder; (b) his execution of this Agreement and his employment
hereunder shall not constitute a breach of any contract, agreement or
understanding to which he is a party or by which he may be bound; and (c) he is
free and able to execute and perform this Agreement in all respects.

         14. Successors.

            (a) This Agreement shall inure to the benefit of and be binding upon
         Company and Executive. This Agreement and the benefits and obligations
         of Company hereunder may be assigned by Company to any person acquiring
         all or substantially all of

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<PAGE>   10

         the assets or all of the issued and outstanding equity securities of
         Company; provided, however, that Company shall remain jointly and
         severally liable to Executive with such assignee for the fulfillment of
         Company's obligations under this Agreement, or to any corporation with
         which Company may be merged or consolidated.

            (b) This Agreement shall inure to the benefit of and be binding upon
         Executive and Executive's executors, administrators, trustees, heirs
         and legal representatives. Because Executive's duties, functions,
         responsibilities, and services hereunder are special, personal and
         unique in nature, Executive shall not transfer, sell or assign, by
         operation of law or otherwise, Executive's obligations under this
         Agreement.

         15. Waivers. Neither the failure nor any delay on the part of either
party hereto to exercise any right, remedy, power or privilege (collectively,
"RIGHT") under this Agreement shall operate as a waiver, abandonment or release
thereof; nor shall any single or partial exercise of any Right preclude any
other or further exercise of the same or of any other Right, nor shall any
waiver of any Right with respect to any occurrence be construed as a waiver of
such Right with respect to any other occurrence.

         16. Severability. If any provision of this Agreement shall be held to
be invalid or unenforceable, such invalidity or unenforceability shall not
affect or impair the validity or enforceability of the remaining provisions of
this Agreement, which provisions shall remain in full force and effect and the
parties hereto shall continue to be bound thereby.

         17. Entire Agreement. This Agreement contains the entire agreement
between the parties relating to the subject matter hereof and supersedes all
previous agreements and understandings between the parties, whether written or
oral, with respect to the subject matter hereof. This Agreement shall not be
modified, altered or amended except by a writing executed by both parties.

         18. Notices. Any notice or other communication provided for in this
Agreement or contemplated hereby shall be sufficiently given if given in writing
and delivered personally or by certified mail, return receipt requested, and
addressed, in the case of the Company, to the Company at:

             I 3S, Inc.
             1440 Corporate Drive
             Irving, Texas  75038

and in the case of Executive, to the address set forth in the introductory
paragraph. Notice shall be effective when so delivered personally. Either party
may designate a different address by giving notice of change of address in the
manner provided above.

         19. Construction of Agreement. This Agreement shall be governed by,
construed and enforced in accordance with the laws of the State of Texas.

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         IN WITNESS WHEREOF, the parties hereto have executed this Agreement on
and as of the day and year above first written,

                                   "Company"

                                   I 3S, INC.

                                   By:  /s/ MATTHEW HUTCHINS
                                       -----------------------------------------
                                       Printed Name:  Matthew Hutchins
                                                     ---------------------------
                                       Title:   President
                                               ---------------------------------

                                   "Executive"

                                         /s/ JAMES R. PRICE
                                       -----------------------------------------
                                                   James R. Price

                                      -12-
<PAGE>   13

                                   SCHEDULE A
                                       TO
                             EMPLOYMENT AGREEMENT BY
                       AND BETWEEN I 3S, INC., AS COMPANY,
                                       AND
                          JAMES R. PRICE, AS EXECUTIVE

       DESCRIPTION OF FUNCTIONS, DUTIES AND RESPONSIBILITIES OF EXECUTIVE

Executive shall oversee all functions and operations of the Company.

Schedule A, Description of Functions, Duties and Responsibilities of Executive -
Solo Page

<PAGE>   14

                                   SCHEDULE B
                                       TO
                              EMPLOYMENT AGREEMENT
                                 BY AND BETWEEN
                             I 3S, INC., AS COMPANY
                                       AND
                          JAMES R. PRICE, AS EXECUTIVE

                      EXECUTIVE OFFICER BENEFITS OF COMPANY

1.       Life insurance

2.       Medical insurance

3.       Dental insurance

Schedule B, Executive Officer Benefits of Company - Solo Page

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