Document:

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                                                                   EXHIBIT 10.66

                              EMPLOYMENT AGREEMENT

         This Employment Agreement (this "Agreement"), dated as of the 6th day
of June 2000, but effective as of January 1, 2000, is entered into in
Richardson, Texas by and between @TRACK Communications, Inc., a Delaware
corporation, with its principal place of business located at 1155 Kas Drive,
Suite 100, Richardson, Texas, 75081 ("Employer"), and Robert W. LaMere, an
individual residing at 708 West Briarbrook, Carl Junction, Missouri 64834
("Employee").

         NOW, THEREFORE, in consideration of the mutual covenants set forth
herein, Employer and Employee, intending to be legally bound, hereby agree as
follows:

1.       Employment Relationship. Employer hereby employs Employee, and Employee
         hereby accepts such employment, upon the terms and conditions set forth
         in this Agreement. Such employment relationship shall continue for the
         stated term of this Agreement, as described in Paragraph 8 hereof,
         unless earlier terminated pursuant to Paragraph 5 hereof.

2.       Position and Responsibilities of Employee. Employee shall be employed
         as Senior Vice President - Platinum Services with job responsibilities
         related thereto, and such job responsibilities may be expanded at the
         sole discretion of the President of Employer. Employee shall report to
         the President of Employer and shall devote such time, skill and
         attention to the business of Employer as shall be required for the
         efficient management thereof, and shall manage and supervise such
         business, and shall devote his full time best efforts to the faithful
         performance of his duties on behalf of Employer. Employee shall also
         perform such other duties, and may have job responsibilities and titles
         modified from time to time as may be requested by the President of
         Employer, provided such duties and job titles are generally consistent
         with the level of responsibility currently held by Employee. Employee
         shall not engage in additional gainful employment of any kind or
         undertake any role or position, whether or not for compensation, with
         any competitor of Employer during the term of this Agreement without
         advance written approval of the President of Employer.

3.       Compensation. For all services rendered by Employee pursuant to this
         Agreement, Employer shall pay to Employee, and Employee shall accept as
         full compensation hereunder the following:

         a.       Salary. Employee shall receive a salary of $12,322.50 per
                  month payable by Employer in bi-monthly amounts in Richardson,
                  Texas. Employee's salary shall be subject to all appropriate
                  federal and state withholding taxes and shall be payable in
                  accordance with the normal payroll procedures of Employer.

         b.       Benefits and Perquisites. Employee shall be entitled to
                  participate in the employee benefit plans provided by Employer
                  for all employees generally, and for executive employees of
                  Employer. Employer shall be entitled to change such plans from
                  time to time, and the parties acknowledge that at the initial
                  date of this

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                  Agreement the fringe benefits provided to Employee include a
                  corporate 401(k) plan, health, dental, life, short and
                  long-term disability insurance for the Employee, and
                  reimbursement of certain expenses in accordance with the
                  policies and procedures of Employer.

         c.       Discretionary Bonuses. Employer shall establish an incentive
                  bonus plan for Employee based on various targets and
                  performance criteria to be established by the President in
                  consultation with the Employee. The evaluation of the
                  performance of the Employee as measured by the applicable
                  targets and the awarding of applicable bonuses, if any, shall
                  be at the sole discretion of the President. The potential
                  annual bonus which may be awarded to Employee shall be in the
                  amount of thirty percent (30%) of annual base salary at each
                  fiscal year end of Employer during the term of this Agreement,
                  pro-rated for partial years. Each annual discretionary bonus
                  may be awarded in whole, in part, or withheld in its entirety
                  based on the level of incentive bonus plan performance
                  criteria achieved by Employee, in the sole judgement of the
                  President. If Employer terminates this Agreement for cause as
                  per Paragraph 5(b), the Employee will not be paid any
                  Discretionary Bonus, in whole or in part. If Employer
                  terminates this Agreement as per Paragraph 5(c) hereof prior
                  to the expiration of the initial one (1) year term, Employee
                  shall be entitled to receive his Discretionary Bonus on a
                  prorated basis in such amount as determined by the President
                  in her sole discretion.

         d.       Stock Options. Employee previously executed Stock Option
                  Agreement(s) by which Employee has been granted the right to
                  purchase shares of common stock of Employer at a stated
                  exercise price as per the terms and conditions of the
                  HighwayMaster Communications, Inc.(f/k/a HM Holding
                  Corporation) 1994 Stock Option Plan (the "Plan")(such previous
                  option grants hereinafter referred to as "Previous Stock
                  Option Grants"). As per the Plan and the Stock Option
                  Agreements, Employee's options vest in five (5) installments
                  with 20% vesting immediately upon the grant date and 20%
                  vesting on each of the next four yearly anniversaries of grant
                  date. Notwithstanding the terms of the Plan and the Stock
                  Option Agreements previously executed by Employee and
                  Employer, upon the occurrence of a Change in Control as
                  defined in Paragraph 7 of this Agreement, all stock options
                  issued pursuant to the Previous Stock Option Grants shall
                  accelerate and be deemed vested on the day prior to the Change
                  in Control of Employer.

4.       Protective Covenants. Employee recognizes that his employment by
         Employer is one of the highest trust and confidence because (i)
         Employee will become fully familiar with all aspects of Employer's
         business during the period of his employment with Employer, (ii)
         certain information of which Employee will gain knowledge during his
         employment by Employer is proprietary and confidential information and
         is of special and peculiar value to Employer, and (iii) if any such
         proprietary and confidential information were imparted to or became
         known by any person, including Employee, engaging in a business in
         competition with that of Employer, hardship, loss and irreparable
         injury and damage

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         could result to Employer, the measurement of which would be difficult
         if not impossible to ascertain. Employee further acknowledges that
         Employer has developed unique skills, concepts, sales presentations,
         marketing programs, marketing strategy, business practices, methods of
         operation, pricing information, production cost information,
         trademarks, licenses, technical information, proprietary information,
         computer software programs, tapes and discs concerning its operations
         systems, customer lists, customer leads, documents identifying past,
         present and future customers, customer profile and preference data,
         hiring and training methods, investment policies, financial and other
         confidential and proprietary information concerning its operations and
         expansion plans ("Trade Secrets"). Therefore, Employee agrees that it
         is necessary for Employer to protect its business and that of its
         affiliates from such damage, and Employee further agrees that the
         following covenants constitute a reasonable and appropriate means,
         consistent with the best interest of both Employee and Employer, to
         protect Employer or its affiliates against damage due to loss or
         disclosure of proprietary information or Trade Secrets and shall apply
         to and be binding upon Employee as provided herein:

         a.       Trade Secrets. Employee recognizes that his position with
                  Employer is one of the highest trust and confidence by reason
                  of Employee's access to and contact with certain Trade Secrets
                  of Employer. Employee agrees and covenants that, except as may
                  be required by Employer in connection with this Agreement, or
                  with the prior written consent of Employer, Employee shall
                  not, either during the term of this Agreement or thereafter,
                  directly or indirectly, use for Employee's own benefit or for
                  the benefit of another, or disclose, disseminate, or
                  distribute to another, except as directed by Employer or as
                  required for the performance of Employee's duties on behalf of
                  the Employer, any Trade Secret (whether or not acquired,
                  learned, obtained, or developed by Employee alone or in
                  conjunction with others) of Employer or of others with whom
                  Employer has a business relationship. All Trade Secrets, and
                  all memoranda, notes, records, drawings, documents, or other
                  writings whatsoever made, compiled, acquired, or received by
                  Employee during the term of this Agreement, arising out of, in
                  connection with, or related to any activity or business of
                  Employer, including, but not limited to, the customers,
                  suppliers, or others with whom Employer has a business
                  relationship, the arrangements of Employer with such parties,
                  and the pricing and expansion policies and strategy of
                  Employer, are, and shall continue to be, the sole and
                  exclusive property of Employer and shall, together with all
                  copies thereof, any and all documents constituting or relating
                  to Employer's proprietary information and Trade Secrets, and
                  all advertising literature, be returned and delivered to
                  Employer by Employee immediately, without demand, upon the
                  termination of this Agreement, or at any time upon Employer's
                  demand.

                           Employee acknowledges that Employer would not provide
                  Employee access to Employer's Trade Secrets and proprietary
                  and confidential information but for Employee's covenants in
                  this Paragraph 4.

                           Employee represents and warrants that he is not bound
                  by any agreement with any prior employer or other party that
                  will be breached by execution and

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                  performance of this Agreement, or which would otherwise
                  prevent him from performing his duties with Employer as set
                  forth in this Agreement. Employee represents and warrants that
                  he has not retained any copies of proprietary and confidential
                  information of any prior employer, and he will not use or rely
                  on any confidential and proprietary information of any prior
                  employer in carrying out his duties for Employer.

         b.       Covenant Not to Compete. In consideration of the numerous
                  mutual promises contained in the Agreement between Employer
                  and the Employee, including, without limitation, those
                  involving access to Trade Secrets and confidential information
                  and training, and in order to protect Employer's Trade Secrets
                  and the confidential information and to reduce the likelihood
                  of irreparable damage which would occur in the event such
                  information is provided to or used by a competitor of
                  Employer, Employee agrees that during his employment and for
                  an additional period of eighteen (18) months immediately
                  following the voluntary or involuntary termination of his
                  employment (the "Non-Competition Term"), Employee will not,
                  without the prior written consent of Employer (which consent
                  may be withheld in its sole discretion), enter the employ of
                  any person or entity, either directly or indirectly either as
                  principal, agent, representative, shareholder (except owning
                  publicly traded stock for investment purposes only in which
                  Employee owns less than 5%) consultant, officer, business
                  partner, associate, employee or otherwise, with a place of
                  business in the United States of America and/or Canada, which
                  sells or offers to sell services and/or products which compete
                  directly with the services and/or products offered or to be
                  offered for sale by Employer.

                  If, during any period within the Non-Competition Term,
                  Employee is not in compliance with the terms of this Paragraph
                  4, Employer shall be entitled to, among other remedies,
                  compliance by Employee with the terms of this Paragraph 4 for
                  an additional period equal to the period of such
                  noncompliance. For purposes of this Agreement, the term
                  "Noncompetition Term" shall also include this additional
                  period. Employee hereby acknowledges that the geographic
                  boundaries, scope of prohibited activities and the time
                  duration of the provisions of this Section 4 are reasonable
                  and are no broader than are necessary to protect the
                  legitimate business interests of the Employer.

                  The Employer and Employee agree and stipulate that the
                  agreements and covenants not to compete contained in Paragraph
                  4 hereof are fair and reasonable in light of all of the facts
                  and circumstances of the relationship between Employee and
                  Employer; however, Employee and Employer are aware that in
                  certain circumstances courts have refused to enforce certain
                  agreements not to compete. Therefore, in furtherance of, and
                  not in derogation of the provisions of Paragraph 4, Employer
                  and Employee agree that in the event a court should decline to
                  enforce the provisions of Paragraph 4, that Paragraph 4 shall
                  be deemed to be modified or reformed to restrict Employee's
                  competition with Employer or its affiliates to the maximum
                  extent, as to time, geography and business scope, which the
                  court shall find enforceable; provided, however, in no event
                  shall the

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                  provisions of Paragraph 4 be deemed to be more restrictive to
                  Employee than those contained herein.

         c.       Non-Solicitation. Employee agrees that during his employment,
                  and for a period of twenty four (24) months following the
                  termination of his employment (for whatever reason), that
                  neither he nor any individual, partner(s), limited
                  partnership, corporation or other entity or business with
                  which he is in any way affiliated, including, without
                  limitation, any partner, limited partner, director, officer,
                  shareholder, employee, or agent of any such entity or
                  business, will (i) request, induce or attempt to influence,
                  directly or indirectly, any employee of Employer to terminate
                  their employment with Employer or (ii) employ any person who
                  as of the date of this Agreement was, or after such date, is
                  an employee of Employer. Employee further agrees that during
                  the period beginning with the commencement of Employee's
                  employment with Employer and ending twenty-four (24) months
                  after the termination of Employee's employment with Employer
                  (for whatever reason), he shall not, directly or indirectly,
                  as an employee, agent, consultant, stockholder, director,
                  partner or in any other individual or representative capacity
                  of Employer or of any other person, entity or business,
                  solicit or encourage any present or future customer, supplier,
                  contractor, partner or investor of the Employer to terminate
                  or otherwise alter his, her or its relationship with Employer.

         d.       Work Product. For purposes of this Paragraph 4, "Work Product"
                  shall mean all intellectual property rights, including all
                  trade secrets, U.S. and international copyrights, patentable
                  inventions, discoveries and other intellectual property rights
                  in any programming, design, documentation, technology, or
                  other work product that is created in connection with
                  Employee's work. In addition, all rights in any preexisting
                  programming, design, documentation, technology, or other Work
                  Product provided to Employer during Employee's employment
                  shall automatically become part of the Work Product hereunder,
                  whether or not it arises specifically out of my "Work." For
                  purposes of this Agreement, "Work" shall mean (1) any direct
                  assignments and required performance by or for the Employer,
                  and (2) any other productive output that relates to the
                  business of the Employer and is produced during the course of
                  Employee's employment or engagement by Employer. For this
                  purpose, Work may be considered present even after normal
                  working hours, away from Employer's premises, on an
                  unsupervised basis, alone or with others. Unless otherwise
                  approved in writing by the President of Employer, this
                  Agreement shall apply to all Work Product created in
                  connection with all Work conducted before or after the date of
                  this Agreement.

                  Employer shall own all rights in the Work Product. To this
                  end, all Work Product shall be considered work made for hire
                  for Employer. If any of the Work Product may not, by operation
                  of law or agreement, be considered Work made by Employee for
                  hire for the Employer (or if ownership of all rights therein
                  do not otherwise vest exclusively in the Employer
                  immediately), Employee agrees to

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                  assign, and upon creation thereof does hereby automatically
                  assign, with further consideration, the ownership thereof to
                  the Employer. Employee hereby irrevocably relinquishes for the
                  benefit of Employer and its assigns any moral rights in the
                  Work Product recognized by applicable law. Employer shall have
                  the right to obtain and hold, in whatever name or capacity it
                  selects, copyrights, registrations, and any other protection
                  available in the Work Product.

                  Employee agrees to perform upon the request of Employer,
                  during or after Employee's Work or employment, such further
                  acts as may be necessary or desirable to transfer, perfect,
                  and defend the Employer's ownership of the Work Product,
                  including by (1) executing, acknowledging, and delivering any
                  requested affidavits and documents of assignment and
                  conveyance, (2) obtaining and/or aiding in the enforcement of
                  copyrights, trade secrets, and (if applicable) patents with
                  respect to the Work Product in any countries, and (3)
                  providing testimony in connection with any proceeding
                  affecting the rights of the Employer in any Work Product.

                  Employee warrants that Employee's Work for Employer does not
                  and will not in any way conflict with any remaining
                  obligations Employee may have with any prior employer or
                  contractor. Employee also agrees to develop all Work Product
                  in a manner that avoids even the appearance of infringement of
                  any third party's intellectual property rights.

         e.       Survival of Covenants. Each covenant of Employee set forth in
                  this Paragraph 4 shall survive the termination of this
                  Agreement and shall be construed as an agreement independent
                  of any other provision of this Agreement, and the existence of
                  any claim or cause of action of Employee against Employer
                  whether predicated on this Agreement or otherwise shall not
                  constitute a defense to the enforcement by Employer of said
                  covenant. No modification or waiver of any covenant contained
                  in Paragraph 4 shall be valid unless such waiver or
                  modification is approved in writing by the President of
                  Employer.

         f.       Remedies. In the event of breach or threatened breach by
                  Employee of any provision of this Paragraph 4, Employer shall
                  be entitled to relief by temporary restraining order,
                  temporary injunction, or permanent injunction or otherwise, in
                  addition to other legal and equitable relief to which it may
                  be entitled, including any and all monetary damages which
                  Employer may incur as a result of said breach, violation or
                  threatened breach or violation. Employer may pursue any remedy
                  available to it concurrently or consecutively in any order as
                  to any breach, violation, or threatened breach or violation,
                  and the pursuit of one of such remedies at any time will not
                  be deemed an election of remedies or waiver of the right to
                  pursue any other of such remedies as to such breach,
                  violation, or threatened breach or violation, or as to any
                  other breach, violation, or threatened breach or violation.

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                           Employee hereby acknowledges that Employee's
                  agreement to be bound by the protective covenants set forth in
                  this Paragraph 4 was a material inducement for Employer
                  entering into this Agreement, agreeing to pay Employee the
                  compensation and benefits set forth herein, and providing
                  Employee access to Employer's Trade Secrets and other
                  confidential information.

5.       Termination. The employment relationship between Employee and Employer
         created hereunder shall terminate before the expiration of the stated
         term of this Agreement upon the occurrence of any one of the following
         events:

         a.       Death or Permanent Disability. The employment relationship
                  shall be terminated effective on the death or permanent
                  disability of the Employee.

         b.       Termination for Cause. The following events, which for
                  purposes of this Agreement shall constitute "cause" for
                  termination:

                  i.       Any act of fraud, misappropriation or embezzlement by
                           Employee with respect to any aspect of Employer's
                           business;

                  ii.      The breach by Employee of any provision of Paragraphs
                           1, 2 or 4 (including but not limited to a refusal to
                           follow lawful directives of the President of Employer
                           or her designees which are not inconsistent with the
                           provisions of this Agreement) of this Agreement;

                  iii.     The conviction of Employee by a court of competent
                           jurisdiction of a felony or of a crime involving
                           moral turpitude;

                  iv.      The intentional and material breach by the Employee
                           of any non-disclosure or non-competition/
                           non-solicitation provision of any agreement to which
                           the Employee and Employer or any of its subsidiaries
                           are parties; or

                  v.       The intentional and continual failure by the Employee
                           to perform in all material respects his duties and
                           responsibilities (other than as a result of death or
                           disability) and the failure of the Employee to cure
                           the same in all material respects within thirty (30)
                           days after written notice thereof from Employer;

                  vi.      The illegal use of drugs by Employee during the term
                           of this Agreement that, in the determination of the
                           President of Employer, substantially interferes with
                           Employee's performance of his duties hereunder;

                  vii.     acceptance of employment with any other employer
                           except upon written permission of the President of
                           Employer.

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         c.       Termination by Employer with Notice. Employer may terminate
                  this Agreement without cause at any time upon thirty (30) days
                  written notice to Employee, during which period Employee shall
                  not be required to perform any services for Employer other
                  than to assist Employer in training his successor and
                  generally preparing for an orderly transition; PROVIDED,
                  HOWEVER, that Employee shall be entitled to compensation upon
                  such termination as provided in Paragraph 6(a), (b), (c) and
                  (d) below.

6.       Compensation Upon Termination. Upon the termination of Employee's
         employment under this Agreement before the expiration of the stated
         term hereof for any reason, Employee shall be entitled to:

         a.       the salary earned by him before the effective date of
                  termination as provided in Paragraph 3(a) hereof (including
                  salary payable during any applicable notice period), prorated
                  on the basis of the number of full days of service rendered by
                  Employee during the salary payment period to the effective
                  date of termination;

         b.       any accrued, but unpaid, vacation benefits; and

         c.       any previously authorized but unreimbursed business expenses.

                  If Employee's employment hereunder terminates because of the
         death or permanent disability of Employee, all amounts that may be due
         to him under this Paragraph 6 shall be paid to him or his
         administrators, personal representatives, heirs and legatees, as may be
         appropriate.

         d.       Additional Compensation Upon Termination Without Cause. If
                  Employee's employment hereunder terminates without cause
                  pursuant to Paragraph 5(c) above, Employer shall pay to
                  Employee in addition to the amounts set forth in Subparagraphs
                  6(a), 6(b) and 6(c) above:

                  i.       salary payments for the duration of the initial term
                           of this Agreement, or any Renewal Term, as set forth
                           in Paragraph 8 below when and as such salary payments
                           would have come due had the Employee's employment not
                           been terminated;

                  The provisions of Paragraphs 4, 5 and 6 hereof shall survive
         the termination of the employment relationship hereunder and this
         Agreement to the extent necessary or reasonably appropriate to effect
         the intent of the parties hereto as expressed in such provisions.

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7.       Compensation Upon Change in Control.

         a.       For purposes of the Agreement, "Change of Control" means the
                  occurrence of any of the following events:

                  i.       any "person" or "group" as such terms are used under
                           Sections 13(d) and 14(d) of the Securities Exchange
                           Act of 1934, as amended (the "Exchange Act"), other
                           than Employer, any trustee or any other fiduciary
                           holding securities under an employee benefit plan of
                           Employer, or any corporation owned, directly or
                           indirectly, by the stockholders of Employer in
                           substantially the same proportions as their ownership
                           of Common Stock of Employer, becomes the "beneficial
                           owner" (as defined in Rule 13d-3 under the Exchange
                           Act), of securities of Employer representing
                           thirty-five percent (35%) or more of the combined
                           voting power of Employer's voting securities
                           then-outstanding;

                  ii.      during any period of two (2) consecutive years,
                           individuals who at the beginning of such period
                           constituted the Board of Directors of Employer cease
                           for any reason to constitute a majority thereof
                           (unless the election, or nomination for election by
                           Employer's stockholders, of such director was
                           approved by a vote of at least two-thirds (2/3) of
                           the directors then still in office who either were
                           directors at the beginning of such period or whose
                           election or nomination for election was previously so
                           approved);

                  iii.     Employer completes a merger or consolidation of
                           Employer with another corporation, other than (A) a
                           merger or consolidation which would result in the
                           voting securities of Employer outstanding immediately
                           prior thereto continuing to represent (either by
                           remaining outstanding or by being converted into
                           voting securities of the surviving entity) more than
                           eighty percent (80%) of the combined voting power of
                           the voting securities of Employer or such surviving
                           entity outstanding immediately after such merger or
                           consolidation, or (B) a merger or consolidation
                           effected to implement a recapitalization of Employer
                           (or similar transaction) in which no "person" (as
                           herein above defined) acquires more than thirty
                           percent (30%) of the combined voting power of
                           Employer's then-outstanding voting securities; or

                  iv.      the stockholders of Employer approve a plan of
                           complete liquidation of Employer or any agreement for
                           the sale or disposition by Employer of all or
                           substantially all of Employer's assets.

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         b.       For purposes of this Agreement, "Good Reason" means the
                  occurrence of any of the following events:

                  i.       the reduction of the Employee's job title, position
                           or responsibilities without the Employee's prior
                           written consent;

                  ii.      the change of the location where the Employee is
                           based to a location which is more than fifty (50)
                           miles from his present location without the
                           Employee's prior written consent; or

                  iii.     the reduction of the Employee's annual base salary
                           and bonus by more than ten percent (10%) from the
                           highest annual base salary and bonus actually paid to
                           Employee during the two (2) years immediately
                           preceding the Change of Control.

                  Employee shall give Employer fifteen (15) business days notice
                  of an intent to terminate this Agreement for "Good Reason" as
                  defined in this Paragraph 7, and provide the Employer with ten
                  (10) business days after receipt of such notice from Employee
                  to remedy the alleged violation of subparagraphs 7(b)(i)(ii),
                  or (iii).

         c.       Benefits Upon Change in Control

                  i.       Severance Benefits. If the Employee's employment with
                           Employer is terminated (i) by Employer (or by the
                           acquiring or successor business entity following a
                           Change of Control) other than for Cause or death, or
                           (ii) by the Employee for Good Reason, in either event
                           within a period beginning one hundred and eighty
                           (180) days before, and ending two (2) years after,
                           the date of a Change of Control (the "Change
                           Period"), the Employee shall receive a severance
                           benefit in an amount equal to the sum of:

                           (1)      the Employee's highest annual cash base
                                    salary in effect within two (2) years
                                    immediately preceding the Change of Control;
                                    plus

                           (2)      the average of the Employee's annual bonuses
                                    paid for the two (2) calendar years
                                    immediately preceding the Change of Control.

                           In addition, for eighteen (18) months following the
                           date of termination of the Employee's employment in
                           circumstances in which a severance payment is due
                           hereunder, Employer shall provide the Employee health
                           and other welfare benefits that are not less
                           favorable to the Employee than those to which he was
                           entitled immediately prior to the Change in Control.
                           Provided however, Employer shall have no obligation
                           to provide Employee with any compensation under this
                           Paragraph 7 if Employee is in breach or violation of
                           any of the covenants contained in Paragraph 4.

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                  ii.      Form of Payment. The amount of the severance benefit
                           provided in Paragraph 7(c)(i) hereof shall be paid to
                           Employee in two (2) equal installments, the first
                           installment payable as soon as practicable after the
                           occurrence of the event giving rise to the payment of
                           the severance benefit by Employer hereunder, but in
                           no event more than thirty (30) days thereafter, and
                           the second installment payable one (1) year following
                           the occurrence of such event, provided, however, that
                           the severance benefit payable by Employer pursuant to
                           Paragraph 7(c)(i) hereof will be reduced by any other
                           cash payments made to the Employee under a written
                           employment agreement between the Employee and
                           Employer for periods after the date on which the
                           Employee's employment was terminated. Provided
                           however, Employer shall have no obligation to provide
                           Employee with any compensation under this Paragraph 7
                           if Employee is in breach or violation of any of the
                           covenants contained in Paragraph 4.

                  iii.     Gross-Up Payments. Anything in this Agreement to the
                           contrary notwithstanding, in the event that a
                           severance payment is made under this Agreement and it
                           shall be determined (as hereafter provided) that any
                           payment (other than the Gross-Up Payments provided
                           for herein) or distribution by Employer or any of its
                           affiliates to or for the benefit of the Employee,
                           whether paid or payable or distributed or
                           distributable pursuant to the terms of this Agreement
                           or otherwise pursuant to or by reason of any other
                           agreement, policy, plan, program or arrangement, or
                           the lapse or termination of any restriction on, or
                           the vesting or exercisability of any of the foregoing
                           (a "Payment"), excluding, however, any stock option
                           or right in respect of restricted stock, would be
                           subject to the excise tax imposed by Section 4999 of
                           the Internal Revenue Code of 1986, as amended (the
                           "Code") (or any successor provision thereto), by
                           reason of being considered "contingent on a change in
                           ownership or control" of Employer, within the meaning
                           of Section 280G of the Code (or any successor
                           provision thereto) or to any similar tax imposed by
                           state or local law, or any interest or penalties with
                           respect to such tax (such tax or taxes, together with
                           any such interest and penalties, being hereafter
                           collectively referred to as the "Excise Tax"), then
                           the Employee shall be entitled to receive an
                           additional payment or payments (collectively, a
                           "Gross-Up Payment"); provided, however, that no
                           Gross-Up Payment shall be made with respect to the
                           Excise Tax, if any, imposed upon (i) any stock
                           option, including without limitation any incentive
                           stock option, as defined by Section 422 of the Code
                           ("ISO") granted prior to the execution of this
                           Agreement or (ii) any stock appreciation or similar
                           right, whether or not limited, granted in tandem with
                           an ISO described in clause (i). The Gross-Up Payment
                           shall be in an amount such that, after payment by the
                           Employee of all taxes (including any interest or
                           penalties imposed with respect to such taxes),
                           including an Excise Tax imposed upon the Gross-Up
                           Payment, the Employee retains an amount of the
                           Gross-Up Payment equal to the Excise Tax imposed upon
                           the Payment. The procedural

                                       11
<PAGE>   12

                           provisions relating to Gross-Up Payments set forth in
                           Annex A hereto are hereby incorporated herein by this
                           reference.

         d.       Mitigation. The Employee shall not be required to mitigate the
                  amount of any payment provided for in this Paragraph 7 of this
                  Agreement by seeking other employment or otherwise. However,
                  the amount of any payment or benefit provided for in this
                  Paragraph 7 shall be reduced by any compensation earned by the
                  Employee as a result of employment by another employer and as
                  provided in Paragraph 7(c)(ii) hereof.

8.       Term. This Agreement shall be binding and enforceable against Employer
         and Employee immediately upon its execution by both such parties. The
         stated term of this Agreement and the employment relationship created
         hereunder shall begin on January 1, 2000 (with employee to be bound by
         confidentiality and other provisions set forth in Paragraph 4 herein to
         the extent confidential information is provided to Employee prior to
         such date), and shall remain in effect for one (1) year thereafter,
         unless sooner terminated in accordance with Paragraph 5 hereof. This
         Agreement shall be deemed to be renewed for a month-to-month term after
         its initial term ("Renewal Term") unless the parties execute an express
         written renewal agreement which specifies a different term.

         a.       Notwithstanding any provision of this Agreement to the
                  contrary, the parties' respective rights and obligations under
                  Paragraph 7 shall survive any termination or expiration of
                  this Agreement or the termination of the Employee's employment
                  following a Change of Control for any reason whatsoever.

9.       Remedies. Each of the parties to this Agreement will be entitled to
         enforce its rights under this Agreement specifically, to recover
         damages by reason of any breach of any provision of this Agreement and
         to exercise all other rights existing in its favor. Notwithstanding
         Paragraph 10 below, the parties hereto agree and acknowledge that money
         damages may not be an adequate remedy for any breach of the provisions
         of this Agreement and that any party may in its sole discretion apply
         to any court of law or equity of competent jurisdiction for specific
         performance and/or injunctive relief in order to enforce or prevent any
         violations of the provisions of this Agreement.

10.      Arbitration. Any controversy or claim arising out of or relating to
         this Agreement or relating to Employee's rights, compensation and
         responsibilities as an employee shall be determined by arbitration in
         Dallas County, Texas in accordance with the rules of the American
         Arbitration Association then in effect. The arbitration shall be
         submitted to a single arbitrator selected in accordance with the
         American Arbitration Association's procedures then in effect for the
         selection of commercial arbitrators. In any arbitration proceeding
         relating to the enforcement of this Agreement, the prevailing party in
         such proceeding shall be entitled to recover its reasonable and
         necessary attorney's fees from the other party, unless the Arbitrator
         rules otherwise. This Paragraph 10 shall survive termination of this
         Agreement for any reason.

                                       12
<PAGE>   13

11.      Assignment. This Agreement is personal to Employee and may not be
         assigned in any way by Employee without the prior written consent of
         Employer. This Agreement shall not be assignable or delegable by
         Employer, other than to an affiliate of Employer; provided, however,
         that in the event of the merger or consolidation of Employer the
         obligations of Employer hereunder shall be binding upon the surviving
         or resulting entity of such merger of consolidation. The rights and
         obligations under this Agreement shall inure to the benefit of and
         shall be binding upon the heirs, legatees, administrators and personal
         representatives of Employee and upon the successors, representatives
         and assigns of Employer.

12.      Severability and Reformation. The parties hereto intend all provisions
         of this Agreement to be enforced to the fullest extent permitted by
         law. If, however, any provision of this Agreement is held to be
         illegal, invalid, or unenforceable under present or future law, such
         provision shall be fully severable, and this Agreement shall be
         construed and enforced as if such illegal, invalid, or unenforceable
         provision were never a part hereof, and the remaining provisions shall
         remain in full force and effect and shall not be affected by the
         illegal, invalid, or unenforceable provision or by its severance.

13.      Notices. All notices and other communications required or permitted to
         be given hereunder shall be in writing and shall be deemed to have been
         duly given if delivered personally, mailed by certified mail (return
         receipt requested) or sent by overnight delivery service, cable,
         telegram, facsimile transmission or telex to the parties at the
         following addresses or at such other addresses as shall be specified by
         the parties by like notice:

                  If to Employer:   J. Raymond Bilbao
                                    General Counsel & Secretary
                                    @Track Communications, Inc.
                                    1155 Kas Drive
                                    Richardson, TX 75081

                  If to Employee:   Robert W. La Mere
                                    708 West Briarbrook
                                    Carl Junction, Missouri 64834

         Notice so given shall, in the case of notice so given by mail, be
         deemed to be given and received on the fourth calendar day after
         posting, in the case of notice so given by overnight delivery service,
         on the date of actual delivery and, in the case of notice so given by
         cable, telegram, facsimile transmission, telex or personal delivery, on
         the date of actual transmission or, as the case may be, personal
         delivery.

14.      Further Actions. Whether or not specifically required under the terms
         of this Agreement, each party hereto shall execute and deliver such
         documents and take such further actions as shall be necessary in order
         for such party to perform all of his or its obligations specified
         herein or reasonably implied from the terms hereof.

                                       13
<PAGE>   14

15.      GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN
         ACCORDANCE WITH THE LAWS OF THE STATE OF TEXAS, WITHOUT GIVING EFFECT
         TO THE CONFLICT OF LAWS (RULES) OR CHOICE OF LAWS (RULES) THEREOF.

16.      Entire Agreement and Amendment. This Agreement contains the entire
         understanding and agreement between the parties, and supersedes any
         other agreement between Employee and Employer, whether oral or in
         writing, with respect to the subject matter hereof. This Agreement may
         not be altered, amended, or rescinded, nor may any of its provisions be
         waived, except by an instrument in writing signed by both parties
         hereto or, in the case of an asserted waiver, by the party against whom
         the waiver is sought to be enforced. Any modification of this Agreement
         may only be signed on behalf of Employer by the President of Employer.

17.      Counterparts. This Agreement may be executed in counterparts, with the
         same effect as if both parties had signed the same document. All such
         counterparts shall be deemed an original, shall be construed together
         and shall constitute one and the same instrument.

         IN WITNESS WHEREOF, the parties have executed this Agreement as of the
date first above written.

EMPLOYER:

@TRACK COMMUNICATIONS, INC.

By: /S/ JANA A. BELL
    ----------------
    JANA A. BELL,
    President & Chief Executive Officer

EMPLOYEE:

/S/ ROBERT LAMERE
-----------------

                                       14
<PAGE>   15

                                     ANNEX A

                     GROSS-UP PAYMENT PROCEDURAL PROVISIONS

         (a) Subject to the provision of Paragraph (e) hereof, all
determinations required to be made under Paragraph 7(c)(iii) of the Agreement,
including whether an Excise Tax is payable by the Employee and the amount of
such Excise Tax and whether a Gross-Up Payment is required to be paid by
Employer to the Employee and the amount of such Gross-Up Payment, if any, shall
be made by a Top 5 accounting firm (the "Accounting Firm") selected by the
Employee in his sole discretion. The Employee shall direct the Accounting Firm
to submit its determination and detailed supporting calculations to both
Employer and the Employee within thirty (30) calendar days after the Termination
Date, if applicable, and any such other time or times as may be requested by
Employer or the Employee. If the Accounting Firm determines that any Excise Tax
is payable by the Employee, Employer shall pay the required Gross-Up Payment to
the Employee within fifteen (15) business days after receipt of such
determination and calculations with respect to any Payment to the Employee. If
the Accounting Firm determines that no Excise Tax is payable by the Employee, it
shall, at the same time as it makes such determination, furnish Employer and the
Employee an opinion that the Employee has substantial authority not to report
any Excise Tax on his federal, state or local income or other tax return. As a
result of the uncertainty in the application of Section 4999 of the Code (or any
successor provision thereto) and the possibility of similar uncertainty
regarding applicable state or local tax law at the time of any determination by
the Accounting Firm hereunder, it is possible that Gross-Up Payments which shall
not have been made by Employer should have been made (an "Underpayment"),
consistent with the calculations required to be made hereunder. In the event
that Employer exhausts or fails to pursue its remedies pursuant to Paragraph (e)
hereof and the Employee thereafter is required to make a payment of any Excise
Tax, the Employee shall direct the Accounting Firm to determine the amount of
the Underpayment that has occurred and to submit its determination and detailed
supporting calculations to both Employer and the Employee as promptly as
possible. Any such Underpayment shall be promptly paid by Employer to, or for
the benefit of, the Employee within fifteen (15) business days after receipt of
such determination and calculations.

                  (b) Employer and the Employee shall each provide the
Accounting Firm access to and copies of any books, records and documents in the
possession of Employer or the Employee, as the case may be, reasonably requested
by the Accounting Firm, and otherwise cooperate with the Accounting Firm in
connection with the preparation and issuance of the determinations and
calculations contemplated by Paragraph (a) hereof. Any determination by the
Accounting Firm as to the amount of the Gross-Up Payment shall be binding upon
Employer and the Employee.

                  (c) The federal, state and local income or other tax returns
filed by the Employee shall be prepared and filed on a consistent basis with the
determination of the Accounting Firm with respect to the Excise Tax payable by
the Employee. The Employee shall make proper payment of the amount of any Excise
Payment, and at the request of Employer, provide to Employer true and correct
copies (with any amendments) of his federal income tax return as filed with the
Internal Revenue Service and corresponding state and local tax returns, if
relevant, as filed with the applicable taxing authority, and such other
documents reasonably requested by

                                       15
<PAGE>   16

Employer, evidencing such payment. If prior to the filing of the Employee's
federal income tax return, or corresponding state or local tax return, if
relevant, the Accounting Firm determines that the amount of the Gross-Up Payment
should be reduced, the Employee shall within fifteen (15) business days pay to
Employer the amount of such deduction.

                  (d) The fees and expenses of the Accounting Firm for its
services in connection with the determinations and calculations contemplated by
Paragraph (a) hereof shall be paid by Employer. If such fees and expenses are
initially paid by the Employee, Employer shall reimburse the Employee the full
amount of such fees and expenses within fifteen (15) business days after receipt
from the Employee of a statement therefor and reasonable evidence of his payment
thereof.

                  (e) The Employee shall notify Employer in writing of any claim
by the Internal Revenue Service or any other taxing authority that, if
successful, would require the payment by Employer of a Gross-Up Payment. Such
notification shall be given as promptly as practicable but no later than ten
(10) business days after the Employee actually receives notice of such claim and
the Employee shall further apprise Employer of the nature of such claim and the
date on which such claim is requested to be paid (in each case, to the extent
known by the Employee). The Employee shall not pay such claim prior to the
earlier of (i) the expiration of the thirty (30) calendar-day period following
the date on which he gives such notice to Employer and (ii) the date that any
payment of amount with respect to such claim is due. If Employer notifies the
Employee in writing prior to the expiration of such period that it desires to
contest such claim, the Employee shall:

                  (i) provide Employer with any written records or documents in
         his possession relating to such claim reasonably requested by Employer;

                  (ii) take such action in connection with contesting such claim
         as Employer shall reasonably request in writing from time to time,
         including without limitation accepting legal representation with
         respect to such claim by an attorney competent in respect of the
         subject matter and reasonably selected by Employer;

                  (iii) cooperate with Employer in good faith in order
         effectively to contest such claim, and

                  (iv) permit Employer to participate in any proceedings
         relating to such claim;

provided, however, that Employer shall bear and pay directly all costs and
expenses (including interest and penalties) incurred in connection with such
contest and shall indemnify and hold harmless the Employee, on an after-tax
basis, for and against any Excise Tax or income tax, including interest and
penalties with respect thereto, imposed as a result of such representation and
payment of costs and expenses. Without limiting the foregoing provisions of this
Paragraph (e), Employer shall control all proceedings taken in connection with
the contest of any claim contemplated by this Paragraph (e) and, at its sole
option, may pursue or forego any and all administrative appeals, proceedings,
hearings and conferences with the taxing authority in respect of such claim
(provided, however, that the Employee may participate therein at his own

                                       16
<PAGE>   17

cost and expense) and may, at its option, either direct the Employee to pay the
tax claimed and sue for a refund or contest the claim in any permissible manner,
and the Employee agrees to prosecute such contest to a determination before any
administrative tribunal, in a court of initial jurisdiction and in one or more
appellate courts, as Employer shall determine; provided, however, that if
Employer directs the Employee to pay the tax claimed and sue for a refund,
Employer shall advance the amount of such payment to the Employee on an
interest-free basis and shall indemnify and hold the Employee harmless, on an
after-tax basis, from any Excise Tax or income or other tax, including interest
or penalties with respect thereto, imposed with respect to such advance; and
provided further, however, that any extension of the statute of limitations
relating to payment of taxes for the taxable year of the Employee with respect
to which the contested amount is claimed to be due is limited solely to such
contested amount. Furthermore, Employer's control of any such contested claim
shall be limited to issues with respect to which a Gross-Up Payment would be
payable hereunder and the Employee shall be entitled to settle or contest, as
the case may be, any other issue raised by the Internal Revenue Service or any
other taxing authority.

                  (f) If, after the receipt by the Employee of an amount
advanced by Employer pursuant to Paragraph (e) hereof, the Employee receives any
refund with respect to such claim, the Employee shall (subject to Employer's
complying with the requirements of Paragraph (e) hereof) promptly pay to
Employer the amount of such refund (together with any interest paid or credited
thereon after any taxes applicable thereto). If, after the receipt by the
Employee of an amount advanced by Employer pursuant to Paragraph (e) hereof, a
determination is made that the Employee shall not be entitled to any refund with
respect to such claim and Employer does not notify the Employee in writing of
its intent to contest such denial or refund prior to the expiration of thirty
(30) calendar days after such determination, then such advance shall be forgiven
and shall not be required to be repaid and the amount of any such advance shall
offset, to the extent thereof, the amount of Gross-Up Payment required to be
paid by Employer to the Employee pursuant to this Paragraph 7(c)(iii) of the
Agreement.

----------

                                       17<PAGE>   1

                                                                  EXHIBIT 10.67

                          MONITORING SERVICES AGREEMENT

         This MONITORING ServiceS Agreement is entered into and is effective
("Effective Date") as of May 19, 2000, (the "Agreement"), by and between @TRACK
Communications, Inc., a Delaware Corporation with its principal place of
business located at 1155 Kas Drive, Suite 100, Richardson, Texas 75081
(hereinafter referred to as "@TRACK"), and Criticom International Corporation, a
Minnesota corporation (hereinafter referred to as "CIC"), with its principal
place of business located at 1301 E. 79th Street, Minneapolis, Minnesota
55425-1119. @TRACK and CIC hereinafter referred to collectively as the
"Parties".

                                    RECITALS:

         WHEREAS, @TRACK is a company that designs, manufactures and markets
mobile communications, tracking, and information systems and in connection
therewith provides enhanced telecommunication services to the trucking industry;

         WHEREAS, @TRACK contracted with Southwestern Bell Telephone Company,
Pacific Bell, Nevada Bell and Southern New England Telephone (hereinafter
collectively referred to as "SBC") to provide a mobile communications, tracking
and information system including certain twenty-four (24) hour roadside
emergency telecommunication monitoring and response services;

         WHEREAS, @TRACK intends to contract with other customers to provide
similar services as provided to SBC;

         WHEREAS, @TRACK desires to engage CIC to act as the provider of
twenty-four (24) hour emergency monitoring and response services in support of
the @TRACK's contract with SBC and in support of such other customers as @TRACK
contracts with in the future as more specifically defined below herein; and

         WHEREAS, CIC and @TRACK entered into that certain Memorandum of
Understanding on April 16, 1999 whereby @TRACK engaged CIC to provide the
referenced monitoring services (the "Memorandum");

         WHEREAS, as per the Memorandum, CIC and @TRACK agreed to execute a more
formal agreement to replace and supersede the Memorandum in its entirety;

         WHEREAS, CIC and @TRACK intend that this Agreement serve as the more
formal agreement which replaces and supersedes the Memorandum in its entirety;

         NOW, THEREFORE, in consideration of the foregoing premises and the
mutual representations and agreements set forth herein, and other good and
valuable consideration, the receipt and adequacy of which are hereby
acknowledged, @TRACK and CIC, intending to be legally bound, hereby agree as
follows:

1.       DEFINITIONS:

         1.1.  "MONITORING SERVICE" shall mean receiving and responding to alarm
               signals transmitted by Units and/or key FOB panic alarms to the
               alarm monitoring central station as further defined in paragraph
               3 below herein.

         1.2.  "SBC" shall mean and include Southwestern Bell Telephone Company,
               Pacific Bell, Southern New England Telephone and Nevada Bell, and
               their agents, servants, employees, directors, officers, and
               representatives.

         1.3.  "@TRACK" shall mean and include @TRACK Communications, Inc. and
               its agents, servants, employees, directors, officers, and
               representatives.

                                    PAGE - 1

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   2

         1.4.  "@TRACK CUSTOMER" shall mean a customer of @TRACK other than SBC
               which purchases Monitoring Services in connection with their
               purchase of Units from @TRACK.

         1.5.  "INTELLECTUAL PROPERTY RIGHTS" shall mean the intangible legal
               rights or interests evidenced by or embodied in (1) any idea,
               design, concept, technique, invention, discovery, or improvement,
               regardless of patentability, but including patents, patent
               applications, trade secrets, and know-how; (2) any work of
               authorship, regardless of copyrightability, but including
               copyrights and any moral rights recognized by law; and (3) any
               other similar rights, in each case on a worldwide basis.

         1.6.  "CIC" shall mean and include Criticom International Corporation,
               and its agents, servants, employees, directors, officers, and
               representatives.

         1.7.  "SBC AGREEMENT" shall mean the written agreement between @TRACK
               and SBC pursuant to which SBC purchased the Units and @TRACK
               Service.

         1.8.  "@TRACK SERVICE" shall mean the enhanced services provided by
               @TRACK to SBC in connection with the Units.

         1.9.  "TELECOMMUNICATION EXPENSES" shall mean the actual costs incurred
               by CIC in communicating with the SBC vehicle occupants, a Public
               Safety Answering Point, a local law enforcement or emergency
               agency, and/or the designated SBC headquarters personnel via the
               public switched network.

         1.10. "SBC USER" shall mean an individual employee of SBC who uses a
               Unit and the Monitoring Service.

         1.11. "UNITS" shall mean the @TRACK mobile communications system
               installed in vehicles consisting of a global positioning system
               ("GPS") receiver, cellular transceiver, vehicle communications
               processor, GPS antenna, cellular antenna and key fob panic alarm.

         1.12. "USER" shall mean an individual employee of a @TRACK Customer who
               uses the Monitoring Service.

2.       [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
         TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
         SEC.]

         2.1.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         2.2.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

                                     PAGE-2

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   3

3.       SERVICES PROVIDED BY CIC

         3.1.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         3.2.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         3.3.  DISPATCH AUTOMATION SYSTEM. CIC shall coordinate the development
               and integration of an automation package to serve SBC as per
               Exhibit "C" attached hereto.

         3.4.  COMMUNICATION LINES. CIC shall maintain telephone and/or other
               communication line(s) as necessary to provide the Monitoring
               Services. CIC shall be responsible for all costs associated with
               maintaining the telephone and/or other communications lines
               necessary to provide the Monitoring Services; provided; however,
               that @TRACK shall be responsible for any charges for frame relay
               or T-1 service between CIC and @TRACK.

         3.5.  U.L. APPROVAL. CIC shall maintain an Underwriter's Laboratories
               approved listing for commercial fire for a monitoring center,
               although @TRACK understands that Underwriter's Laboratories does
               not provide listing services for mobile security central
               stations. If Underwriter's Laboratories listing for mobile
               security becomes available, and @TRACK requires it, then CIC
               shall obtain it at that time.

         3.6.  DATABASE ACCESS. CIC shall provide @TRACK with daily electronic
               access to SBC or other @TRACK Customer alarm history, statistical
               information and database as defined in the Exhibit C.

                                     PAGE-3

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   4

         3.7.  COMPLIANCE WITH LICENSING STATUTES. CIC represents that it is
               licensed at the state level to provide Monitoring Services where
               applicable in the forty-eight (48) contiguous states of the
               United States of America except for the states of Utah and
               Virginia. CIC will make every reasonable attempt to ensure
               PSAP(s) do not deny response based on the absence of appropriate
               licenses and/or certifications. If CIC is required to obtain
               additional licenses, @TRACK and CIC will reach agreement on
               reimbursement to CIC for said additional required licenses.

               3.7.1. [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR
                      CONFIDENTIAL TREATMENT. THE OMITTED MATERIAL HAS BEEN
                      FILED SEPARATELY WITH THE SEC.].

4.       [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
         TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
         SEC.].

         4.1.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         4.2.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         4.3.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         4.4.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         4.5.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

                                     PAGE-4

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   5

5.       @TRACK'S OBLIGATIONS

         5.1.  PAYMENT. @TRACK shall pay CIC for the Monitoring Services at the
               rates set forth in Exhibit "A" attached hereto within thirty (30)
               days from the date of receipt of a written invoice from CIC.

         5.2.  NO MISREPRESENTATION. @TRACK agrees not to represent as "CIC
               Service" any Monitoring Services which are not specified in
               EXHIBIT "A": PRICE LIST. CIC may, in its sole discretion, offer
               new Monitoring Services and make them available to @TRACK at
               prices and terms which shall be mutually agreed upon by both
               Parties.

         5.3.  NOTIFICATION OF SBC USER OR USER COMPLAINTS. @TRACK shall
               promptly notify CIC of any complaint or question regarding the
               Monitoring Services.

         5.4.  UNIT DESIGN, INSTALLATION, IMPLEMENTATION AND @TRACK SERVICES.
               CIC shall have no responsibility for the sale, design,
               installation, maintenance or repair of equipment located as part
               of the Units of the SBC Users or other Users. @TRACK shall be
               solely responsible for all risks and expenses incurred in
               connection with its actions in the sale or use of Units or
               Monitoring Services or any other acts of @TRACK. @TRACK shall act
               in all respects on its own account and shall be solely
               responsible for establishing the rates, terms and conditions
               under which it will sells Units, @TRACK Service and Monitoring
               Services to @TRACK Customers, including but not limited to, any
               credit verification, deposits, billing, collection,
               consolidation, billing and service complaints, bad debts, and
               fraudulent or illegal or inappropriate use by any person of any
               Units, @TRACK Service or Monitoring Services.

         5.5.  FALSE SIGNALS. @TRACK agrees to install and maintain Units using
               high quality equipment, techniques, and practices. @TRACK agrees
               to make every reasonable effort to correct and control Unit or
               User deficiencies causing false signals. If any Unit sends an
               unreasonable number of false signals which materially impairs
               CIC's ability to provide the Monitoring Services, CIC may
               temporarily suspend the provision of Monitoring Services to the
               malfunctioning Unit.

         5.6.  TAXES. @TRACK agrees to pay any and all sales, use or business
               taxes or impositions by Municipal, State, Federal and/or other
               authorities in connection with the Monitoring Services to be
               provided by CIC except for sales, use or business taxes assessed
               on the net income or gross revenues of CIC.

         5.7.  REGULATORY AGENCY NOTICES. @TRACK and/or @TRACK with CIC's
               assistance, shall provide and mail, at @TRACK's own expense, all
               announcements or notices required to be mailed to SBC Users or
               Users as required by any regulatory agency.

         5.8.  NOTICE OF TERMINATION OF @TRACK CUSTOMER CONTRACTS. @TRACK shall
               notify CIC of termination of the SBC Agreement and/or any @TRACK
               Customer Agreement, or any modification of the SBC Agreement
               and/or any @TRACK Customer Agreement if the modification requires
               CIC to alter the data or instructions on file at CIC's central
               station. Failure to provide such notification may result in
               termination of this Agreement as to SBC and/or any such @TRACK
               Customer. @TRACK agrees to furnish to CIC all changes, revisions,
               and modifications to SBC and/or any @TRACK Customer information
               in writing electronically.

6.       INTELLECTUAL PROPERTY. CIC shall own all right, title and interest in
         and to any Intellectual Property owned by CIC including any
         modifications thereto. @TRACK shall retain all right, title and
         interest in and to any Intellectual Property owned by @TRACK including
         any modification thereto. No other rights, and

                                     PAGE-5

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   6

         particularly licenses, to trademarks, inventions, copyrights, or
         patents are implied or granted to either CIC or @TRACK under this
         Agreement except as provided herein.

         6.1.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         6.2.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         6.3.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

7.       JOINT OBLIGATIONS

         7.1.  PUBLIC RELATIONS. Each Party hereto will at all times give
               prompt, courteous, and efficient service to the public, will be
               governed in all dealings with the public by standards of honesty,
               integrity, and fair dealing, and shall do nothing to discredit,
               dishonor, reflect adversely upon or in any manner injure the
               reputation of CIC or @TRACK.

         7.2.  INDUSTRY STANDARDS. Each Party hereto warrants that their
               respective systems and Monitoring Services meet the high
               standards of the emergency services industry.

8.       [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
         TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE
         SEC.].

9.       PAYMENT

         9.1.  @TRACK shall pay CIC for the Monitoring Services at the rates set
               forth in Exhibit "A" attached hereto within thirty (30) days from
               the date of receipt of a written invoice from CIC.

         9.2.  [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

                                     PAGE-6

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   7

               9.2.1. [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR
                      CONFIDENTIAL TREATMENT. THE OMITTED MATERIAL HAS BEEN
                      FILED SEPARATELY WITH THE SEC.]

         9.3.  BILLING. Billing for Monitoring Services will commence upon
               active monitoring of Unit as represented by the Start Date within
               the signal automation application, although response Monitoring
               Services may not be in effect due to lack of information.

               9.3.1. Invoices for Monitoring Services shall not be prorated.

               9.3.2. @TRACK shall pay to CIC all undisputed charges as invoiced
                      for Monitoring Services provided to @TRACK Customers as
                      set forth in this Agreement. @TRACK also shall provide CIC
                      on or before the due date, with a written explanation of
                      its grounds for disputing any invoiced amounts.

               9.3.3. Under no circumstances will @TRACK's inability to collect
                      from @TRACK's Customers delay payment to CIC.

10.      TERM AND TERMINATION

         10.1. [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         10.2. RENEWAL TERM. This Agreement shall automatically renew for
               successive two (2) year terms unless one hundred and twenty (120)
               days written notice of intent not to renew is provided by either
               Party hereto. Both Parties agree to cooperate in the event of
               termination and if necessary grant an extension if more time is
               required for a smooth transition of Monitoring Services to
               another service provider.

         10.3. TERMINATION. In the event either Party to this Agreement commits
               a material breach or defaults in any of its obligations under
               this Agreement, and such breach or default has not been cured (a)
               within thirty (30) days after receipt of written notice from the
               non-breaching Party of monetary breach or default; or (b) within
               ninety (90) days after receipt of written notice of non-monetary
               breach or default, the non-breaching Party may immediately, in
               addition to any remedy which may be available at law or in
               equity, terminate this Agreement.

         10.4. [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

11.      INDEPENDENT CONTRACTORS

         11.1. This Agreement does not constitute that either Party is the agent
               or legal representative of the other Party. Neither Party shall
               have any right or authority to assume or create any obligation or
               responsibility, express or implied, on behalf of or in the name
               of the other, or to bind the other in

                                     PAGE-7

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   8

               any manner. CIC shall be an independent contractor of @TRACK for
               all purposes of this Agreement.

         11.2. It is understood and agreed that CIC and its employees and
               @TRACK's employees shall continue as the employees of the
               respective Parties and that each Party shall cover its respective
               employees with such Workers' Compensation and other insurance
               (all of which are at statutory limits as a minimum condition) as
               shall be required by law and such insurance shall be evidenced to
               the other Party hereto by the submission of a Certificate of
               Insurance to the other Party within thirty (30) days after
               signing of this Agreement. CIC shall employ, supervise and direct
               all persons performing any of the Monitoring Services to be
               performed by CIC under this Agreement, and such persons shall be
               and shall remain the sole employees of, and subject to the
               exclusive control and direction of CIC in the performance of such
               Monitoring Services. @TRACK shall have no right or obligation to
               control or direct any of the agents, servants or employees of
               CIC, it being the intention of the Parties hereto that CIC shall
               remain and be an independent contractor for all purposes of this
               Agreement. CIC shall have no right or obligation to control or
               direct any of the agents, servants or employees of @TRACK, it
               being the intention of the Parties hereto that @TRACK shall
               remain and be an independent contractor for all purposes of this
               Agreement. Notwithstanding the foregoing, @TRACK shall have the
               right to give such instructions to CIC as may be necessary or
               advisable for the satisfactory performance of the Monitoring
               Services to be rendered by CIC.

12.      YEAR 2000 COMPLIANCE. @TRACK and CIC agree to comply with the
         obligations contained in Exhibit "D" attached hereto.

13.      CONFIDENTIALITY. The Parties' confidentiality obligations shall be
         governed by the "Mutual Non-Disclosure and Confidentiality Agreement"
         entered into between @TRACK and CIC on March 1, 1999.

14.      LIABILITY AND INDEMNITY

         14.1. [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         14.2. [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         14.3. [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

         14.4. [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
               TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
               THE SEC.]

                                     PAGE-8

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   9

15.      TRADE NAME AND TRADEMARK

         15.1. Neither Party hereto will use the names or trade or service marks
               of the other Party without the prior written consent of such
               other Party nor in any way that would discredit or damage the
               reputation of such other Party or its affiliates. Each Party
               shall neither acquire, nor claim any right, title, or interest in
               or to the other Party's trademarks or trade names through
               advertising and sales of Monitoring Services or otherwise. In the
               event of termination of this Agreement, each Party hereto agrees
               not to register or use any service marks, trademarks and trade
               names of the other Party or its affiliates, and upon such
               termination or discontinuance, will surrender or abandon its use
               or ownership of any service mark, trademark or trade name
               confusingly similar to that of the other Party or its affiliates,
               which were not owned prior to the execution of this Agreement.

16.      MISCELLANEOUS

         16.1. SEVERABILITY. It is agreed that if any provisions of this
               Agreement will be determined to be void by any court of competent
               jurisdiction, then such determination shall remain in full force
               and effect unless such determination shall render either Party's
               performance hereunder substantially more difficult or impossible
               to perform, in which case upon the giving of proper notice this
               Agreement may be terminated by the Party whose performance has
               been so rendered substantially more difficult or impossible. It
               is the intention of the Parties hereto that if any provision of
               this Agreement is capable of two constructions only one of which
               would render such provision valid, then the provision shall have
               the meaning which renders it valid. Subject to the provisions of
               this Section, in the event it shall hereafter not be legal for
               CIC to provide the Monitoring Services, or for @TRACK to offer
               the Monitoring Services through CIC to its customers, in any of
               the states of the United States, then this Agreement shall
               continue in full force and effect to the fullest extent permitted
               by law, except that neither CIC nor @TRACK shall be obligated to
               perform the prohibited acts in such places where the same remains
               unlawful.

         16.2. ASSIGNMENT. This Agreement shall not be assignable by either
               Party without the prior written consent of the other Party which
               shall not be unreasonably withheld. However, either Party may
               assign this Agreement to the successor in interest to
               substantially all of the assets of said Party through merger,
               purchase or otherwise.

         16.3. COMPLIANCE WITH LAW. All Parties to this Agreement shall comply
               with all applicable federal, state, and local laws and
               regulations in performing its duties hereunder.

         16.4. CONFIDENTIALITY OF TERMS. Neither Party to this Agreement shall,
               without written authorization of the other Party hereto, disclose
               to any third Party the terms and conditions of this Agreement
               except as may be necessary to establish or assert rights
               hereunder or as required by law; provided, however, either Party
               hereto may, on a confidential basis, disclose this Agreement to
               its accountants, attorneys, and financing organizations.
               Furthermore, either Party hereto may disclose the terms of this
               Agreement as required by federal and state securities statutes,
               rules and regulations including the Securities Exchange
               Commission rules and regulations; provided, however, that such
               disclosing Party will attempt to seek confidential treatment of
               such portions of the Agreement which contain confidential and
               proprietary information.

                               PAGE-9

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   10

         16.5. SECTION HEADINGS; EXHIBITS. The Section and subsection headings
               used herein are for reference and convenience only, and shall not
               enter into the interpretation hereof.

         16.6. ENTIRE AGREEMENT; AMENDMENT. This instrument contains the entire
               and only agreement between the Parties regarding the subject
               matter herein, and no oral statements or representations or prior
               written matter not contained in this instrument shall have any
               force or effect. This Agreement shall not be modified in any way
               except by a writing subscribed by both Parties by their duly
               authorized representatives.

         16.7. NOTICES. Unless otherwise specifically provided, all notices
               required or permitted by this Agreement shall be in writing and
               may be delivered personally, or may be sent by facsimile or
               certified mail, return receipt requested, to the following
               addresses, unless the Parties are subsequently notified of any
               change of address in accordance with this Section 16.7:

               If to @TRACK:

               @TRACK Communications, Inc.
               1155 Kas Drive, Suite 100
               Richardson, Texas 75081
               Attention: Todd Felker, Senior Vice President, Sales, Marketing &
               Account Management
               with copy to: General Counsel
               Facsimile: (972) 301-2263

               If to CIC:

               Criticom International Corporation
               1301 E. 79th Street
               Minneapolis, Minnesota 55425-1119
               Attn: CEO
               Facsimile (612) 854-5510

               With a copy (which will not constitute notice) to:

               Mark Moxness
               General Counsel
               Krass Monroe, PA
               Suite 1100, Southpoint Office Center
               1650 W. 82nd St.
               Bloomington, Minnesota 55431-1447

               Any notice shall be deemed to have been received as follows: (1)
               by personal delivery, upon receipt; (2) by facsimile upon
               receipt; (3) by certified mail, five (5) business days after
               delivery to the U.S. postal authorities by the Party serving
               notice. If notice is sent by facsimile, a confirming copy of the
               same shall be sent by mail to the same address.

         16.8. NO AGENCY. The relationship between CIC and @TRACK is not one of
               joint venture, partnership, agency or employment, and nothing in
               this Agreement shall be construed to create any such relationship
               between the Parties hereto.

         16.9. COUNTERPARTS. This Agreement may be executed in two or more
               counterparts, each of which shall be deemed an original, and all
               of which together shall constitute one and the same instrument.

                                    PAGE-10

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   11

         16.10. WAIVER. The failure of either Party to enforce at any time, or
                for any period, the provisions of this Agreement shall not be
                construed as a waiver of such provisions or of the right of such
                Party thereafter to enforce each and every such provision. No
                claim or right arising out of the breach or default of this
                Agreement may be discharged in whole or in part by a waiver or
                renunciation of such claim or right unless such waiver or
                renunciation is in writing and signed by the aggrieved Party.

         16.11. [TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL
                TREATMENT. THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH
                THE SEC.]

         16.12. ATTORNEY'S FEES. If any action at law or in equity shall be
                necessary to enforce or interpret the terms of this Agreement,
                the prevailing Party shall be entitled to reasonable attorneys'
                fees, costs and necessary disbursements, in addition to any
                other relief to which such Party may be entitled.

         16.13. GOVERNING LAW; CONSENT TO JURISDICTION & VENUE. THIS AGREEMENT
                SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS
                OF THE STATE OF MINNESOTA, WITHOUT GIVING EFFECT TO THE CONFLICT
                OF LAWS (RULES) OR CHOICE OF LAWS (RULES) THEREOF. IF CIC BRINGS
                ANY LITIGATION AGAINST @TRACK WITH RESPECT TO OR ARISING OUT OF
                THE TERMS OF AND THE TRANSACTIONS AND RELATIONSHIPS CONTEMPLATED
                BY THIS AGREEMENT, CIC AGREES TO BRING SUCH LAWSUIT EXCLUSIVELY
                IN THE STATE DISTRICT COURT RESIDING IN DALLAS COUNTY, DALLAS,
                TEXAS (OR IF APPLICABLE, THE FEDERAL DISTRICT COURT FOR THE
                NORTHERN DISTRICT OF TEXAS, DALLAS DIVISION). IF @TRACK BRINGS
                ANY LITIGATION AGAINST CIC WITH RESPECT TO OR ARISING OUT OF THE
                TERMS OF AND THE TRANSACTIONS AND RELATIONSHIPS CONTEMPLATED BY
                THIS AGREEMENT, @TRACK AGREES TO BRING SUCH LAWSUIT EXCLUSIVELY
                IN THE STATE DISTRICT COURT RESIDING IN HENNEPIN COUNTY,
                MINNESOTA (OR IF APPLICABLE, THE FEDERAL DISTRICT COURT FOR THE
                __________ DISTRICT OF MINNESOTA).

         16.14. SURVIVABILITY. In the event of termination or expiration of
                this Agreement, Paragraphs 4, 6, 13, 14, 15 and 16 shall survive
                and remain in full force and effect as necessary.

         FORCE MAJEURE. Each Party hereto shall be excused from performance
         hereunder for any period and to the extent that it is prevented from
         performing any action pursuant hereto, in whole or in part, as a result
         of delays beyond its control caused by the other Party or by an act of
         God or the public enemy, fire, floods, epidemics, quarantine
         restrictions, civil disturbance, court order, labor dispute, third
         party nonperformance (except to the extent such third party
         nonperformance is wrongfully caused by a Party to this Agreement), or
         other cause beyond its control, including without limitation failures
         or fluctuations in electrical power, heat, light, air conditioning,
         lack of capacity on the networks or network outages. Additionally, CIC
         shall not be liable to @TRACK if changes, alterations or modifications
         in the @TRACK's Units, @TRACK's facilities, operations, network
         equipment, or procedures made in the ordinary course of business render
         the Monitoring Services inoperable.

                                    PAGE-11

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   12

         IN WITNESS THEREOF, the Parties have caused this Agreement to be signed
below by their duly authorized representatives:

@TRACK COMMUNICATIONS, INC.,
A DELAWARE CORPORATION

By: Jana Bell
   --------------------
Title: President
      -----------------
Date: 5/23/2000
     ------------------

CRITICOM INTERNATIONAL CORPORATION,
A MINNESOTA CORPORATION

By: Curt Quady
   --------------------
Title: President
      -----------------
DATE: May 25, 2000
     ------------------

                                    PAGE-12

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   13

                                    EXHIBIT A

[TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT. THE
OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE SEC.]

                                     PAGE-1

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   14

                                    EXHIBIT B

[Text has been omitted pursuant to a request for confidential treatment. The
omitted material has been filed separately with the SEC.]

                                     PAGE-1

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   15

                       [TRACK COMMUNICATIONS LETTERHEAD]

                                    EXHIBIT C

[TEXT HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT. THE
OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE SEC.]

The information contained in this manual if confidential and proprietary to
@Track & IDC

<PAGE>   16

                                    EXHIBIT D

                              YEAR 2000 COMPLIANCE

DEFINITIONS

The following definitions apply to terms used in this Exhibit D: Year 2000
Compliance. "System" means the software products (including firmware),
computerized hardware products (whether general or special purpose),
documentation, data, and other similar or related items of the automated or
computerized system(s) that are provided by or through @TRACK or CIC pursuant to
this Agreement for the provision of Monitoring Services, or any component
thereof, and any services provided by or through @TRACK or CIC in connection
therewith. However, the term "System" shall not include non-compliant third
party products interoperable with or non-compliant third party services provided
in connection with either CIC's or @TRACK's products and services including but
not limited to cellular carriers and their networks, long distances carriers and
their networks, the public switched telephone network, computer systems upon
which either CIC's or @TRACK's software resides, and/or third party software
programs which interface and exchange data with the products of either @TRACK or
CIC.

"Calendar Related" refers to date values on the Gregorian calendar (the calendar
in use throughout most of the world), as further defined in Encyclopedia
Britannica, 15th edition, 1993, page 476), and to all uses in any manner of
those date values, including without limitation manipulations, calculations,
conversions, comparisons, and presentations.

"Date Data" means any Calendar Related data in the inclusive range January 1,
1900, through December 31, 2050, which @TRACK or CIC use in any manner.

"System Date" means the Date Data value with the System shall be able to use as
its current date while operating.

"Year 2000 Compliant" means that the System satisfies the requirements set forth
in Section 2 below.

"Year 2000 Noncompliance" means any failure of the System to be Year 2000
Compliant.

YEAR 2000 COMPLIANCE REPRESENTATIONS

@TRACK and CIC each represent that, by December 31, 1999, their respective
Systems will correctly process Calendar Related data, Date Data, and System
Data. The respective Systems will not malfunction, will not cease to function,
and will not generate incorrect dates as a result of the manipulation of such
data.

@TRACK and CIC each further represent that, in connection with providing
Calendar Related data to and accepting Calendar Related data from other
automated and/or computerized systems and users via user interfaces, electronic
interfaces, and data storage, the respective Systems will represent dates
without ambiguity as to century, provided such other automated and/or
computerized systems also represent and exchange dates without ambiguity.

@TRACK and CIC each further represent that by December 31, 1999, each will have
verified through testing that their respective Systems are Year 2000 Compliant
and that testing included, without limitation, each of the following specific
dates and the transition between those of such dates that are successive:
September 9, 1999; September 10, 1999; December 31, 1999; January 1, 2000;
February 28, 2000; February 29, 2000; March 1, 2000; December 31, 2000; and
January 1, 2001.

                                     PAGE-1

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

<PAGE>   17

INTERFACING

On or before December 31, 1999, @TRACK and CIC will have the present capability,
which can be readily utilized, of providing Calendar Related data to and
accepting Calendar Related data from other automated and/or computerized systems
and users in a format such as, but not limited to, four-digit CCYY format, where
CC are the two digits expressing century and YY are the two digits expressing
the year within that century (e.g., 1996, 2003 and 2027). @TRACK and CIC shall
provide all necessary interfacing information describing the format utilized by
their respective Systems, if different than CCYY format.

YEAR 2000 NONCOMPLIANCE REMEDY

In the event that the respective Systems are Year 2000 Noncompliant in any
respect, the only remedy shall be as follows: @TRACK and CIC shall at no cost to
the other, correct the Year 2000 Noncompliance and provide the corrected Year
2000 Compliant System no later than 60 (sixty) days after Noncompliance has been
identified, unless otherwise agreed to by both @TRACK and CIC in writing.

                                     PAGE-2

                       RESTRICTED PROPRIETARY INFORMATION
      The information contained herein is for use by authorized employees
     of the parties and their affiliates hereto only and is not for general
             distribution within or for distribution outside their
                respective companies except by written agreement.

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