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EXHIBIT 10.1

                            SHARE EXCHANGE AGREEMENT

      THIS SHARE EXCHANGE AGREEMENT (this "Agreement") is made as of August 12,
      2003, by and between iSecureTrac Corp., a Delaware corporation (the
      "Buyer"), and Tracking Systems Corporation, a Pennsylvania corporation
      (the "Company"). WHEREAS, Buyer desires to acquire, all of the issued and
      outstanding shares (the "Shares") of capital stock of the Company for the
      consideration and on the terms set forth in this Agreement.

      NOW, THEREFORE, the parties, intending to be legally bound, agree as
      follows:

                             SECTION 1. DEFINITIONS

      For purposes of this Agreement, the following terms have the meanings
      specified or referred to in this Section 1:

      "AFFILIATE"--shall have the meaning set forth in Rule 12b-2 of the Rules
      and Regulations under the Exchange Act. "AGREEMENT WITH CONTROLLING

      SHAREHOLDERS"--as defined in Section 2.4(c). "APPLICABLE CONTRACT"--any
      Contract (a) under which the Company has or may acquire any rights, (b)
      under which the Company has or may become subject to any obligation or
      liability, or (c) by which the Company or any of the assets owned or used
      by it is or may become bound.

      "ARTICLES OF EXCHANGE"--as defined in Section 2.2(b). "BALANCE SHEET"--as
      defined in Section 3.4.

      "BEST EFFORTS"--the efforts that a prudent Person desirous of achieving a
      result would use in similar circumstances to ensure that such result is
      achieved as expeditiously as possible; provided, however, that an
      obligation to use Best Efforts under this Agreement does not require the
      Person subject to that obligation to take actions that would result in a
      materially adverse change in the benefits to such Person of this Agreement
      and the Contemplated Transactions.

      "BUSINESS DAY"--any day other than a Saturday, a Sunday or a day on which
      commercial banks in the city specified by the parties (or, if a city is
      not specified, Omaha, Nebraska) are required or authorized to be closed.
      "BUYER"--as defined in the preamble of this Agreement.

      "BUYER SHARES"--as defined in Section 2.1.

      "CLOSING"--as defined in Section 2.3.

      "CLOSING DATE"--the date and time as of which the Closing actually takes
      place.

      "COMPANY"--as defined in the preamble of this Agreement.

      "CONSENT"--any approval, consent, ratification, waiver, or other
      authorization (including any Governmental Authorization).

      "CONTEMPLATED TRANSACTIONS"--all of the transactions contemplated by this
      Agreement, including: (a) the exchange of the Shares by Shareholders to
      Buyer;

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      (b) the execution, delivery, and performance of the Employment Agreements,
      the Agreement with Controlling Shareholders (and all agreements ancillary
      thereto), the Plan of Exchange and the Articles of Exchange;

      (c) the performance by Buyer and Company of their respective covenants and
      obligations under this Agreement; and

      (d) Buyer's acquisition and ownership of the Shares and exercise of
      control over the Company.

      "CONTRACT"--any agreement, contract, obligation, promise, or undertaking
      (whether written or oral and whether express or implied) that is legally
      binding.

      "CONTROLLING SHAREHOLDERS"--collectively, John A. Sciortino, Donna M.
      Reynolds Sciortino, Louis C. Fiocchi and Francis A. Cerchiaro.

      "DISCLOSURE LETTER"--the disclosure letter delivered by Company to Buyer
      concurrently with the execution and delivery of this Agreement.

      "EMPLOYMENT AGREEMENTS"--as defined in Section 2.4(a) (iii).

      "ENCUMBRANCE"--any charge, claim, community property interest, condition,
      equitable interest, lien, option, pledge, security interest, right of
      first refusal, or restriction of any kind, including any restriction on
      use, voting, transfer, receipt of income, or exercise of any other
      attribute of ownership.

      "ERISA"--the Employee Retirement Income Security Act of 1974 or any
      successor law, and regulations and rules issued pursuant to that Act or
      any successor law.

      "EXCHANGE ACT"--the Securities Exchange Act of 1934, as amended, or any
      successor law, and regulations and rules issued pursuant thereto.

      "FACILITIES"--any real property, leaseholds, or other interests currently
      operated by the Company and any buildings, plants, structures, or
      equipment (including motor vehicles, tank cars, and rolling stock)
      currently operated by the Company.

      "GAAP"--generally accepted United States accounting principles, applied on
      a basis consistent with the basis on which the Balance Sheet and the other
      financial statements referred to in Section 3.4(b) were prepared.

      "GOVERNMENTAL AUTHORIZATION"--any approval, consent, license, permit,
      waiver, or other authorization issued, granted, given, or otherwise made
      available by or under the authority of any Governmental Body or pursuant
      to any Legal Requirement.

      "GOVERNMENTAL BODY"--any:

      (a) nation, state, county, city, town, village, district, or other
      jurisdiction of any nature;

      (b) federal, state, local, municipal, foreign, or other government;

      (c) governmental or quasi-governmental authority of any nature (including
      any governmental agency, branch, department, official, or entity and any
      court or other tribunal);

      (d) multi-national organization or body; or

      (e) body exercising, or entitled to exercise, any administrative,
      executive, judicial, legislative, police, regulatory, or taxing authority
      or power of any nature.

      "INTELLECTUAL PROPERTY ASSETS" --as defined in Section 3.22.

      "INTERIM BALANCE SHEET"--as defined in Section 3.4.

      "IRC"--the Internal Revenue Code of 1986 or any successor law, and
      regulations issued by the IRS pursuant to the Internal Revenue Code or any
      successor law.

      "IRS"--the United States Internal Revenue Service or any successor agency,
      and, to the extent relevant, the United States Department of the Treasury.

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      "KNOWLEDGE"--an individual will be deemed to have "Knowledge" of a
      particular fact or other matter if such individual is actually aware of
      such fact or other matter after reasonable investigation. A Person (other
      than an individual) will be deemed to have "Knowledge" of a particular
      fact or other matter if any individual who is serving, or who has at any
      time served, as a director, officer, partner, executor, or trustee of such
      Person (or in any similar capacity) has, or at any time had, Knowledge of
      such fact or other matter.

      "LEGAL REQUIREMENT"--any federal, state, local, municipal, foreign,
      international, multinational, or other administrative order, constitution,
      law, ordinance, principle of common law, regulation, statute, or treaty.

      "MATERIAL"-- shall have the meaning set forth in Rule 12b-2 of the Rules
      and Regulations under the Exchange Act.

      "MATERIAL ADVERSE EFFECT" or "MATERIAL ADVERSE CHANGE" -- any effect or
      change that would be materially adverse to the business, assets, condition
      (financial or otherwise), operating results, operations, or business
      prospects of the specified Person and its Subsidiaries, taken as a whole,
      or on the ability of any party to consummate timely the transactions
      contemplated hereby; provided, however, that any change in or effect on
      the person, directly or indirectly arising out of or attributable to any
      changes in economic conditions, including without limitation, declines the
      general economy or in any relevant securities market or segment thereof,
      shall not be included.

      "ORDER"--any award, decision, injunction, judgment, order, ruling,
      subpoena, or verdict entered, issued, made, or rendered by any court,
      administrative agency, or other Governmental Body or by any arbitrator.

      "ORDINARY COURSE OF BUSINESS"--an action taken by a Person will be deemed
      to have been taken in the "Ordinary Course of Business" only if:

      (a) Such action is consistent with the past practices of such Person and
      is taken in the ordinary course of the normal day-to-day operations of
      such Person;

      (b) Such action is not required to be authorized by the board of directors
      of such Person (or by any Person or group of Persons exercising similar
      authority); and

      (c) Such action is similar in nature and magnitude to actions customarily
      taken, without any authorization by the board of directors (or by any
      Person or group of Persons exercising similar authority), in the ordinary
      course of the normal day-to-day operations of other Persons that are in
      the same line of business as such Person.

      "ORGANIZATIONAL DOCUMENTS"--(a) the articles or certificate of
      incorporation and the bylaws of a corporation; (b) the partnership
      agreement and any statement of partnership of a general partnership; (c)
      the limited partnership agreement and the certificate of limited
      partnership of a limited partnership; (d) any charter or similar document
      adopted or filed in connection with the creation, formation, or
      organization of a Person; and (e) any amendment to any of the foregoing.

      "PERSON"--any individual, corporation (including any non-profit
      corporation), general or limited partnership, limited liability company,
      joint venture, estate, trust, association, organization, labor union, or
      other entity or Governmental Body.

      "PLAN"--as defined in Section 3.13.

      "PLAN OF EXCHANGE"--as defined in Section 2.2(a).

      "PROCEEDING"--any action, arbitration, audit, hearing, investigation,
      litigation, or suit (whether civil, criminal, administrative,
      investigative, or informal) commenced, brought,

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      conducted, or heard by or before, or otherwise involving, any Governmental
      Body or arbitrator.

      "RELATED PERSON"--with respect to a particular individual:

      (a) Each other member of such individual's Family;

      (b) Any Person that is directly or indirectly controlled by such
      individual or one or more members of such individual's Family;

      (c) Any Person in which such individual or members of such individual's
      Family hold (individually or in the aggregate) a Material Interest; and

      (d) Any Person with respect to which such individual or one or more
      members of such individual's Family serves as a director, officer,
      partner, executor, or trustee (or in a similar capacity).

      With respect to a specified Person other than an individual:

      (a) Any Person that directly or indirectly controls, is directly or
      indirectly controlled by, or is directly or indirectly under common
      control with such specified Person;

      (b) Any Person that holds a Material Interest in such specified Person;

      (c) Each Person that serves as a director, officer, partner, executor, or
      trustee of such specified Person (or in a similar capacity);

      (d) Any Person in which such specified Person holds a Material Interest;

      (e) Any Person with respect to which such specified Person serves as a
      general partner or a trustee (or in a similar capacity); and

      (f) Any Related Person of any individual described in clause (b) or (c).
      For purposes of this definition, (a) the "Family" of an individual
      includes (i) the individual, (ii) the individual's spouse and former
      spouses, (iii) any other natural person who is related to the individual
      or the individual's spouse within the second degree, and (iv) any other
      natural person who resides with such individual, and (b) "Material
      Interest" means direct or indirect beneficial ownership (as defined in
      Rule 13d-3 under the Exchange Act) of voting securities or other voting
      interests representing at least 5% of the outstanding voting power of a
      Person or equity securities or other equity interests representing at
      least 5% of the outstanding equity securities or equity interests in a
      Person.

      "REPRESENTATIVE"--with respect to a particular Person, any director,
      officer, employee, agent, consultant, advisor, or other representative of
      such Person, including legal counsel, accountants, and financial advisors.

      "REQUISITE SHAREHOLDER APPROVAL"--as defined in Section 7.3(b)

      "SECURITIES ACT"--the Securities Act of 1933, as amended, or any successor
      law, and regulations and rules issued pursuant to thereto.

      "SHAREHOLDERS"-- the Persons set forth at Schedule "A" hereto,
      collectively. A

      "SHAREHOLDER" means any of the Shareholders individually.

      "SHARES"--as defined in the recitals of this Agreement. A "Share" means a
      share of capital stock of the Company issued and outstanding.

      "SUBSIDIARY"--with respect to any Person (the "Owner"), any corporation or
      other Person of which securities or other interests having the power to
      elect a majority of that corporation's or other Person's board of
      directors or similar governing body, or otherwise having the power to
      direct the business and policies of that corporation or other Person
      (other than securities or other interests having such power only upon the
      happening of a

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      contingency that has not occurred) are held by the Owner or one or more of
      its Subsidiaries.

      "TAX RETURN"--any return (including any information return), report,
      statement, schedule, notice, form, or other document or information filed
      with or submitted to, or required to be filed with or submitted to, any
      Governmental Body in connection with the determination, assessment,
      collection, or payment of any Tax or in connection with the
      administration, implementation, or enforcement of or compliance with any
      Legal Requirement relating to any Tax.

      "THREATENED"--a claim, Proceeding, dispute, action, or other matter will
      be deemed to have been "Threatened" if any demand or statement has been
      made (orally or in writing) or any notice has been given (orally or in
      writing), or if any other event has occurred or any other circumstances
      exist, that would lead a prudent Person to conclude that such a claim,
      Proceeding, dispute, action, or other matter is likely to be asserted,
      commenced, taken, or otherwise pursued in the future.

               SECTION 2. ISSUANCE AND EXCHANGE OF SHARES; CLOSING

2.1   ISSUANCE

      Subject to the terms and conditions of this Agreement, at the Closing, the
      Buyer shall issue and deliver to each of the Shareholders the number of
      authorized and newly issued shares of Buyer's common stock (the "Buyer's
      Shares") in the denomination set forth opposite each Shareholder's name on
      Schedule "A" hereto, in exchange for all of the Shares held by such
      Shareholder. The number of Buyer's shares is subject to adjustment as
      provided in the Plan of Exchange.

2.2   PLAN OF EXCHANGE; ARTICLES OF EXCHANGE

            (a) The parties hereby adopt as of the date of this Agreement a plan
      of exchange, a copy of which is attached hereto as Exhibit "2.2(a)" (the
      "Plan of Exchange").

            (b) At the Closing, the parties shall cause the execution and
      delivery of articles of exchange, a copy of which is attached hereto as
      Exhibit "2.2(b)" (the "Articles of Exchange"). The Articles of Exchange
      shall be filed with the Department of State of the Commonwealth of
      Pennsylvania on the Closing Date in accordance with Section 1931(e) of the
      Pennsylvania Business Corporation Law (15 Pa.C.S. ss. 1931(e)).

2.3   CLOSING

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      The issuance and exchange (the "Closing") provided for in this Agreement
      will take place at the offices of Buyer's counsel at 10330 Regency Parkway
      Drive, Suite 100, Omaha, Nebraska 68114, at 10:00 a.m. (local time) August
      28, 2003 or at such other time and place as the parties may agree. Subject
      to the provisions of Section 9, failure to consummate the purchase and
      sale provided for in this Agreement on the date and time and at the place
      determined pursuant to this Section 2.3 will not result in the termination
      of this Agreement and will not relieve any party of any obligation under
      this Agreement.

2.4   CLOSING OBLIGATIONS

      At the Closing:

            (a) The Company will deliver to Buyer:

                  (i) All duly executed instruments required under the Plan of
Exchange;

                  (ii) An employment agreement executed by John A. Sciortino and
a consulting agreement with Donna M. Reynolds Sciortino in such form as may be
mutually satisfactory to the respective parties thereto (collectively,
"Employment Agreements"); and

                  (iii) A certificate executed by a duly authorized officer of
the Company representing and warranting to Buyer that each of Company's
representations and warranties in this Agreement was accurate in all respects as
of the date of this Agreement and is accurate in all respects as of the Closing
Date as if made on the Closing Date (giving full effect to any supplements to
the Disclosure Letter that were delivered by the Company to Buyer prior to the
Closing Date in accordance with Section 5.5); and

            (b) Buyer will deliver to the Company:

                  (i) A certificate executed by Buyer to the effect that each of
Buyer's representations and warranties in this Agreement was accurate in all
respects as of the date of this Agreement and is accurate in all respects as of
the Closing Date as if made on the Closing Date; and

                  (ii) The Employment Agreements, executed by Buyer.

            (c) Buyer and Controlling Shareholders will execute and deliver an
      agreement in the form of Exhibit "2.4(c)" (the "Agreement with Controlling
      Shareholders").

      (d) Buyer and certain named principal investors in the Company will
      execute and deliver a release and settlement agreement, including
      substitute debentures (the "General Release and Settlement Agreement").

            (e) Buyer will deliver to each of the Shareholders a certificate or
      certificates representing the number of Buyer's Shares to which such
      Shareholder is entitled under Section 2.1 hereof in the manner provided in
      the Plan of Exchange.

                   SECTION 3. REPRESENTATIONS AND WARRANTIES
                                   OF COMPANY

      The Company represents and warrants to Buyer as follows:

3.1   ORGANIZATION; GOOD STANDING; SUBSIDIARIES

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      (a) Part 3.1 of the Disclosure Letter contains a complete and accurate
list for the Company of its name, its jurisdiction of incorporation, other
jurisdictions in which it is authorized to do business, and its capitalization
(including the identity of each stockholder and the number of shares held by
each). The Company is a corporation duly organized, validly existing, and in
good standing under the laws of its jurisdiction of incorporation, with full
corporate power and authority to conduct its business as it is now being
conducted, to own or use the properties and assets that it purports to own or
use, and to perform all its obligations under Applicable Contracts. The Company
is duly qualified to do business as a foreign corporation and is in good
standing under the laws of each state or other jurisdiction in which either the
ownership or use of the properties owned or used by it, or the nature of the
activities conducted by it, requires such qualification.

      (b) The Company has delivered to Buyer copies of the Organizational
Documents of the Company, as currently in effect.

      (c) The Company has no Subsidiaries or predecessors.

3.2   AUTHORITY; NO CONFLICT

      (a) This Agreement constitutes the legal, valid, and binding obligation of
Company, enforceable against Company in accordance with its terms. Upon the
execution and delivery by Company of the Plan of Exchange and the Articles of
Exchange (collectively, the "Company's Closing Documents"), the Company's
Closing Documents will constitute the legal, valid, and binding obligations of
Company, enforceable against Company in accordance with their respective terms.
Company has the absolute and unrestricted right, power, authority, and capacity
to execute and deliver this Agreement and the Company's Closing Documents and to
perform their obligations under this Agreement and the Company's Closing
Documents.

      (b) Except as set forth in Part 3.2 of the Disclosure Letter, neither the
execution and delivery of this Agreement nor the consummation or performance of
any of the Contemplated Transactions will, directly or indirectly (with or
without notice or lapse of time):

            (i) contravene, conflict with, or result in a violation of (A) any
provision of the Organizational Documents of the Company, or (B) any resolution
adopted by the board of directors of the Company;

            (ii) contravene, conflict with, or result in a violation of, or give
any Governmental Body or other Person the right to challenge any of the
Contemplated Transactions or to exercise any remedy or obtain any relief under,
any Legal Requirement or any Order to which the Company, or any of the assets
owned or used by the Company, may be subject;

            (iii) contravene, conflict with, or result in a violation of any of
the terms or requirements of, or give any Governmental Body the right to revoke,
withdraw, suspend, cancel, terminate, or modify, any Governmental Authorization
that is held by the Company or that otherwise relates to the business of, or any
of the assets owned or used by, the Company;

            (iv) cause Buyer or the Company to become subject to, or to become
liable for the payment of, any Tax;

            (v) cause any of the assets owned by the Company to be reassessed or
revalued by any taxing authority or other Governmental Body;

            (vi) contravene, conflict with, or result in a violation or breach
of any provision of, or give any Person the right to declare a default or
exercise any remedy under, or to accelerate the maturity or performance of, or
to cancel, terminate, or modify, any Applicable Contract; or

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            (vii) Result in the imposition or creation of any Encumbrance upon
or with respect to any of the assets owned or used by the Company.

      (c) Except as set forth in Part 3.2 of the Disclosure Letter, the Company
is not or will not be required to give any notice to or obtain any Consent from
any Person in connection with the execution and delivery of this Agreement or
the consummation or performance of any of the Contemplated Transactions.

3.3   CAPITALIZATION

      The authorized equity securities of the Company consist of (a) 1,000,000
      shares of common stock, par value $1.00 per share, (b) 100,000 shares of
      Class A Preferred Stock, par value $25.00 per share, (c) 285,000 shares of
      Class B Preferred Stock, par value $10.38 per share, and (d) 170,000
      shares of Class C Preferred Stock, par value $8.40 per share. There are
      issued and outstanding (i) 234,232 shares of common stock, (ii) 29,480
      shares of Class A Preferred Stock, (iii) 277,531 shares of Class B
      Preferred Stock, and (iv) 160,145 shares of Class C Preferred Stock, all
      of which constitute the Shares. To the Company's Knowledge, the
      Shareholders are the record and beneficial owners and holders of the
      Shares as set forth at Schedule "A" hereto. All of the outstanding equity
      securities of the Company have been duly authorized and validly issued and
      are fully paid and nonassessable. Except as described in Part 3.3 of the
      Disclosure Letter, there are no Contracts relating to the issuance, sale,
      or transfer of any equity securities or other securities of the Company.
      Except as described in Part 3.3 of the Disclosure Letter, none of the
      outstanding equity securities or other securities of the Company was
      issued in violation of the Securities Act or any other Legal Requirement.
      The Company does not own, or have any Contract to acquire, any equity
      securities or other securities of any Person (other than Company) or any
      direct or indirect equity or ownership interest in any other business.

3.4   FINANCIAL STATEMENTS

      Company has delivered to Buyer: (a) balance sheets of the Company as at
      December 31 in each of the years 2000 through 2001, and the related
      statements of income, changes in stockholders' equity, and cash flow for
      each of the fiscal years then ended, together with the report thereon of
      McKonly & Asbury LLP, independent certified public accountants, (b) a
      balance sheet of the Company as at December 31, 2002 (including the notes
      thereto, the "Balance Sheet"), and the related statements of income,
      changes in stockholders' equity, and cash flow for the fiscal year then
      ended, together with the report thereon of McKonly & Asbury LLP,
      independent certified public accountants, and (c) an unaudited balance
      sheet of the Company as at June 30, 2003 (the "Interim Balance Sheet") and
      the related unaudited statements of income, changes in stockholders'
      equity, and cash flow for the six (6) months then ended, including in each
      case the notes thereto. Such financial statements and notes fairly present
      the financial condition and the results of operations, changes in
      stockholders' equity, and cash flow of the Company as at the respective
      dates of and for the periods referred to in such financial statements, all
      in accordance with GAAP, subject, in the case of interim financial
      statements, to normal recurring year-end adjustments (the effect of which
      will not, individually or in the aggregate, be materially adverse) and the
      absence of notes (that, if presented, would not differ

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      materially from those included in the Balance Sheet); the financial
      statements referred to in this Section 3.4 reflect the consistent
      application of such accounting principles throughout the periods involved,
      except as disclosed in the notes to such financial statements. No
      financial statements of any Person other than the Company are required by
      GAAP to be included in the financial statements of the Company.

3.5   BOOKS AND RECORDS

      The books of account, minute books, stock record books, and other records
      of the Company, all of which have been made available to Buyer, are
      complete and correct and have been maintained in accordance with sound
      business, including the maintenance of an adequate system of internal
      controls. The minute books of the Company contain accurate and complete
      records of all meetings held of, and corporate action taken by, the
      stockholders, the Boards of Directors, and committees of the Boards of
      Directors of the Company, and no meeting of any such stockholders, Board
      of Directors, or committee has been held for which minutes have not been
      prepared and are not contained in such minute books. At the Closing, all
      of those books and records will be in the possession of the Company.

3.6   TITLE TO PROPERTIES; ENCUMBRANCES

      Part 3.6 of the Disclosure Letter contains a complete and accurate list of
      all real property, leaseholds, or other interests therein owned by the
      Company. Company has delivered or made available to Buyer copies of the
      deeds and other instruments (as recorded) by which the Company acquired
      such real property and interests, and copies of all title insurance
      policies, opinions, abstracts, and surveys in the possession of Company or
      the Company and relating to such property or interests. The Company owns
      (with good and marketable title in the case of real property, subject only
      to the matters permitted by the following sentence) all the properties and
      assets (whether real, personal, or mixed and whether tangible or
      intangible) that they purport to own located in the facilities owned or
      operated by the Company or located on the premises of the Company's
      customers or reflected as owned in the books and records of the Company,
      including all of the properties and assets reflected in the Balance Sheet
      and the Interim Balance Sheet (except for assets held under capitalized
      leases disclosed or not required to be disclosed in Part 3.6 of the
      Disclosure Letter and personal property sold since the date of the Balance
      Sheet and the Interim Balance Sheet, as the case may be, in the Ordinary
      Course of Business), and all of the properties and assets purchased or
      otherwise acquired by the Company since the date of the Balance Sheet
      (except for personal property acquired and sold since the date of the
      Balance Sheet in the Ordinary Course of Business and consistent with past
      practice), which subsequently purchased or acquired properties and assets
      (other than inventory and short-term investments) are listed in Part 3.6
      of the Disclosure Letter. All material properties and assets reflected in
      the Balance Sheet and the Interim Balance Sheet are free and clear of all
      Encumbrances, except as set forth in Part 3.6 of the Disclosure Letter.

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3.7   CONDITION AND SUFFICIENCY OF ASSETS

      To the Knowledge of the Company the buildings, plants, structures, and
      equipment of the Company are structurally sound, are in good operating
      condition and repair, and are adequate for the uses to which they are
      being put, and none of such buildings, plants, structures, or equipment is
      in need of maintenance or repairs except for ordinary, routine maintenance
      and repairs that are not material in nature or cost. The building, plants,
      structures, and equipment of the Company are sufficient for the continued
      conduct of the Company's businesses after the Closing in substantially the
      same manner as conducted prior to the Closing.

3.8      ACCOUNTS RECEIVABLE

      All accounts receivable of the Company that are reflected on the Balance
      Sheet or the Interim Balance Sheet or on the accounting records of the
      Company as of the Closing Date (collectively, the "Accounts Receivable")
      represent or will represent valid obligations arising from sales or lease
      transactions actually made or services actually performed in the Ordinary
      Course of Business. Unless paid prior to the Closing Date, the Accounts
      Receivable are or will be as of the Closing Date current and collectible
      net of the respective reserves shown on the Balance Sheet or the Interim
      Balance Sheet or on the accounting records of the Company as of the
      Closing Date (which reserves are adequate and calculated consistent with
      past practice and, in the case of the reserve as of the Closing Date, will
      not represent a greater percentage of the Accounts Receivable as of the
      Closing Date than the reserve reflected in the Interim Balance Sheet
      represented of the Accounts Receivable reflected therein and will not
      represent a material adverse change in the composition of such Accounts
      Receivable in terms of aging). Subject to such reserves, to the Company's
      Knowledge, each of the Accounts Receivable either has been or will be
      collected in full, without any set-off, within one hundred eighty (180)
      days after the day on which it first becomes due and payable. There is no
      contest, claim, or right of set-off, other than returns in the Ordinary
      Course of Business, under any Contract with any obligor of an Accounts
      Receivable relating to the amount or validity of such Accounts Receivable.
      Part 3.8 of the Disclosure Letter contains a complete and accurate list of
      all Accounts Receivable as of the date of the Interim Balance Sheet, which
      list sets forth the aging of such Accounts Receivable.

3.9   INVENTORY

            (a) All inventory of the Company, whether or not reflected in the
      Balance Sheet or the Interim Balance Sheet, consists of a quality and
      quantity usable and salable in the Ordinary Course of Business, except for
      obsolete items and items of below-standard quality, all of which have been
      written off or written down to net realizable value in the Balance Sheet
      or the Interim Balance Sheet or on the accounting records of the Company
      as of the Closing Date, as the case may be. All inventories not written
      off have been priced at the lower of cost or [market] [net realizable
      value] on a [last in, first out] [first in, first out] basis. The
      quantities of each item of inventory (whether raw materials,
      work-in-process, or finished goods) are not excessive, but are reasonable
      in the present circumstances of the Company.

3.10  NO UNDISCLOSED LIABILITIES

                                       10
<PAGE>

      Except as set forth in Part 3.10 of the Disclosure Letter, the Company has
      no liabilities or obligations of any nature (whether known or unknown and
      whether absolute, accrued, contingent, or otherwise) except for
      liabilities or obligations reflected or reserved against in the Balance
      Sheet or the Interim Balance Sheet and current liabilities incurred in the
      Ordinary Course of Business since the respective dates thereof.

3.11  TAXES

            (a) The Company has filed or caused to be filed (on a timely basis
      since December 31, 1996) all Tax Returns that are or were required to be
      filed by the Company pursuant to applicable Legal Requirements. Company
      has delivered to Buyer copies of, and Part 3.11 of the Disclosure Letter
      contains a complete and accurate list of, all such Tax Returns filed since
      December 31, 1996. The Company has paid, or made provision for the payment
      of, all Taxes that have or may have become due pursuant to those Tax
      Returns or otherwise, or pursuant to any assessment received by Company,
      except such Taxes, if any, as are listed in Part 3.11 of the Disclosure
      Letter and are being contested in good faith and as to which adequate
      reserves (determined in accordance with GAAP) have been provided in the
      Balance Sheet and the Interim Balance Sheet.

            (b) The United States federal and state income Tax Returns of the
      Company subject to such Taxes have been audited by the IRS or relevant
      state tax authorities or are no longer subject to audit as determined by
      the applicable statute of limitations for all taxable years through
      December 31, 2002. Part 3.11 of the Disclosure Letter contains a complete
      and accurate list of all audits of all such Tax Returns, including a
      reasonably detailed description of the nature and outcome of each audit.
      All deficiencies proposed as a result of such audits have been paid,
      reserved against, settled, or, as described in Part 3.11 of the Disclosure
      Letter, are being contested in good faith by appropriate proceedings. Part
      3.11 of the Disclosure Letter describes all adjustments to the United
      States federal income Tax Returns filed by the Company for all taxable
      years since December 31, 1996, and the resulting deficiencies proposed by
      the IRS. Except as described in Part 3.11 of the Disclosure Letter, the
      Company has not given or been requested to give waivers or extensions (or
      is or would be subject to a waiver or extension given by any other Person)
      of any statute of limitations relating to the payment of Taxes of the
      Company or for which the Company may be liable.

            (c) The charges, accruals, and reserves with respect to Taxes on the
      respective books of the Company are adequate (determined in accordance
      with GAAP) and are at least equal to the Company's liability for Taxes.
      There exists no proposed tax assessment against the Company except as
      disclosed in the Balance Sheet or in Part 3.11 of the Disclosure Letter.
      No consent to the application of Section 341(f)(2) of the IRC has been
      filed with respect to any property or assets held, acquired, or to be
      acquired by the Company. All Taxes that the Company is or was required by
      Legal Requirements to withhold or collect have been duly withheld or
      collected and, to the extent required, have been paid to the proper
      Governmental Body or other Person.

            (d) All Tax Returns filed by (or that include on a consolidated
      basis) the Company are true, correct, and complete. There is no tax
      sharing agreement that will require any payment by the Company after the
      date of this Agreement. The Company is not, or within the five-year period
      preceding the Closing Date has been, an "S" corporation. During the
      consistency period (as defined in Section 338(h)(4) of the IRC with
      respect to the sale of the Shares to Buyer), neither the Company nor any
      target affiliate (as defined in Section 338(h)(6) of the IRC with respect
      to the sale of the Shares to Buyer) has sold or will sell any property or
      assets to Buyer or to any member of the affiliated group (as defined in
      Section 338(h)(5) of the IRC) that includes Buyer. Part 3.11 of the
      Disclosure Letter lists all such target affiliates.

3.12  NO MATERIAL ADVERSE CHANGE

                                       11
<PAGE>

Since the date of the Balance Sheet, there has not been any material adverse
change in the business, operations, properties, prospects, assets, or condition
of the Company, and no event has occurred or circumstance exists that may result
in such a material adverse change.

3.13  EMPLOYEE BENEFITS

            (a) Except as set forth at Part 3.13(a) of the Disclosure Letter,
      the Company has no defined benefit and defined contribution plan, stock
      ownership plan, executive compensation program or arrangement, bonus plan,
      incentive compensation plan or arrangement, profit sharing plan or
      arrangement, deferred compensation agreement or arrangement, supplemental
      retirement plan or arrangement, vacation pay, sickness, disability, or
      death benefit plan (whether provided through insurance, on a funded or
      unfunded basis, or otherwise), medical or life insurance plan providing
      benefits to any of the Company's employees, retirees, or former employees
      or any of their dependents, survivors, or beneficiaries, employee stock
      option or stock purchase plan, severance pay, termination, salary
      continuation or employee assistance plan, and each other employee benefit
      plan, program, or arrangement, including without limitation an "employee
      benefit plan" within the meaning of Section 3(3) of ERISA, that is
      maintained by the Company for the benefit of or relating to any of the
      Company's employees or former employees or their dependents, survivors, or
      beneficiaries, whether or not legally binding, and for which the Company
      could reasonably have any liabilities, all of which are hereinafter
      referred to as the "Company Benefit Plans."

            (b) Neither the Buyer nor the Company will incur any liability under
      any severance agreement, deferred compensation agreement, employment
      agreement, similar agreement, or Company Benefit Plan solely as a result
      of the consummation of the transactions contemplated by this Agreement.

            (c) The Company does not have any obligation to any former employee,
      or any current employee upon retirement, under any Company Benefit Plan or
      otherwise, other than those disclosed in Part 3.13(a) of the Disclosure
      Letter, and any Company Benefit Plan can be terminated as of or after the
      Closing Date without resulting in any liability to Buyer for any
      additional contributions, penalties, premiums, fees, fines, excise taxes,
      or any other charges or liabilities.

3.14  COMPLIANCE WITH LEGAL REQUIREMENTS; GOVERNMENTAL AUTHORIZATIONS

            (a) Except as set forth in Part 3.14 of the Disclosure Letter:

                  (i) the Company is, and at all times since December 31, 1999
has been, in full compliance with each Legal Requirement that is or was
applicable to it or to the conduct or operation of its business or the ownership
or use of any of its assets, including, but not limited to, the Health Insurance
Portability and Accountability Act of 1996, as amended, and any other Legal
Requirement regarding the privacy of medical records or health-related
information;

                  (ii) no event has occurred or circumstance exists that (with
or without notice or lapse of time) (A) may constitute or result in a violation
by the Company of, or a failure on the part of the Company to comply with, any
Legal Requirement, or (B) may give rise to any obligation on the part of the
Company to undertake, or to bear all or any portion of the cost of, any remedial
action of any nature; and

                  (iii) The Company has not received, at any time since December
31, 1999, any notice or other communication (whether oral or written) from any
Governmental Body or any other Person regarding (A) any actual, alleged,
possible, or potential violation of, or failure to comply with, any Legal
Requirement, or (B) any actual, alleged, possible, or potential obligation on
the part of the Company to undertake, or to bear all or any portion of the cost
of, any remedial action of any nature.

                                       12
<PAGE>

            (b) Part 3.14 of the Disclosure Letter contains a complete and
      accurate list of each Governmental Authorization that is held by the
      Company or that otherwise relates to the business of, or to any of the
      assets owned or used by, the Company. Each Governmental Authorization
      listed or required to be listed in Part 3.14 of the Disclosure Letter is
      valid and in full force and effect.

            (c) The Governmental Authorizations listed in Part 3.14 of the
      Disclosure Letter collectively constitute all of the Governmental
      Authorizations necessary to permit the Company to lawfully conduct and
      operate their businesses in the manner they currently conduct and operate
      such businesses and to permit the Company to own and use their assets in
      the manner in which they currently own and use such assets.

3.15  LEGAL PROCEEDINGS; ORDERS

            (a) Except as set forth in Part 3.15 of the Disclosure Letter, there
      is no pending Proceeding:

                  (i) that has been commenced by or against the Company or that
otherwise relates to or may affect the business of, or any of the assets owned
or used by, the Company; or

                  (ii) That challenges, or that may have the effect of
preventing, delaying, making illegal, or otherwise interfering with, any of the
Contemplated Transactions.

            (b) To the Knowledge of Company, (1) no such Proceeding has been
      Threatened, and (2) no event has occurred or circumstance exists that may
      give rise to or serve as a basis for the commencement of any such
      Proceeding. Company has delivered to Buyer copies of all pleadings,
      correspondence, and other documents relating to each Proceeding listed in
      Part 3.15 of the Disclosure Letter. The Proceedings listed in Part 3.15 of
      the Disclosure Letter will not have a material adverse effect on the
      business, operations, assets, condition, or prospects of the Company.

            (c) Except as set forth in Part 3.15 of the Disclosure Letter:

                  (i) there is no Order to which the Company, or any of the
assets owned or used by the Company, is subject;

                  (ii) to the Knowledge of Company, no Shareholder is subject to
any Order that relates to the business of, or any of the assets owned or used
by, the Company; and

                  (iii) to the Knowledge of the Company, no officer, director,
agent, or employee of the Company is subject to any Order that prohibits such
officer, director, agent, or employee from engaging in or continuing any
conduct, activity, or practice relating to the business of the Company.

            (d) Except as set forth in Part 3.15 of the Disclosure Letter:

                  (i) the Company is, and at all times since December 31, 1999
has been, in full compliance with all of the terms and requirements of each
Order to which it, or any of the assets owned or used by it, is or has been
subject;

                  (ii) no event has occurred or circumstance exists that may
constitute or result in (with or without notice or lapse of time) a violation of
or failure to comply with any term or requirement of any Order to which the
Company, or any of the assets owned or used by the Company, is subject; and

                  (iii) The Company has not received, at any time since December
31, 1999, any notice or other communication (whether oral or written) from any
Governmental Body or any other Person regarding any actual, alleged, possible,
or potential violation of, or failure to comply with, any term or requirement of
any Order to which the Company, or any of the assets owned or used by the
Company, is or has been subject.

3.16  ABSENCE OF CERTAIN CHANGES AND EVENTS

                                       13
<PAGE>

      Except as set forth in Part 3.16 of the Disclosure Letter, since the date
      of the Balance Sheet, the Company has conducted their businesses only in
      the Ordinary Course of Business and there has not been any:

            (a) change in the Company's authorized or issued capital stock;
      grant of any stock option or right to purchase shares of capital stock of
      the Company; issuance of any security convertible into such capital stock;
      grant of any registration rights; purchase, redemption, retirement, or
      other acquisition by the Company of any shares of any such capital stock;
      or declaration or payment of any dividend or other distribution or payment
      in respect of shares of capital stock;

            (b) amendment to the Organizational Documents of the Company;

            (c) payment or increase by the Company of any bonuses, salaries, or
      other compensation to any stockholder, director, officer, or (except in
      the Ordinary Course of Business) employee or entry into any employment,
      severance, or similar Contract with any director, officer, or employee;

            (d) adoption of, or increase in the payments to or benefits under,
      any profit sharing, bonus, deferred compensation, savings, insurance,
      pension, retirement, or other employee benefit plan for or with any
      employees of the Company;

            (e) damage to or destruction or loss of any asset or property of the
      Company, whether or not covered by insurance, materially and adversely
      affecting the properties, assets, business, financial condition, or
      prospects of the Company, taken as a whole;

            (f) entry into, termination of, or receipt of notice of termination
      of (i) any license, distributorship, dealer, sales representative, joint
      venture, credit, or similar agreement, or (ii) any Contract or transaction
      involving a total remaining commitment by or to the Company of at least
      $5,000;

            (g) sale (other than sales of inventory in the Ordinary Course of
      Business), lease, or other disposition of any asset or property of the
      Company or mortgage, pledge, or imposition of any lien or other
      encumbrance on any material asset or property of the Company, including
      the sale, lease, or other disposition of any of the Intellectual Property
      Assets;

            (h) cancellation or waiver of any claims or rights with a value to
      the Company in excess of $5,000;

            (i) material change in the accounting methods used by the Company;
      or

            (j) agreement, whether oral or written, by the Company to do any of
      the foregoing.

3.17  CONTRACTS; NO DEFAULTS

            (a) Part 3.17(a) of the Disclosure Letter contains a complete and
      accurate list, and Company has delivered to Buyer true and complete
      copies, of:

                  (i) each Applicable Contract that involves performance of
services or delivery of goods or materials to one or more Company of an amount
or value in excess of $25,000;

                  (ii) each Applicable Contract that was not entered into in the
Ordinary Course of Business and that involves expenditures or receipts of one or
more Company in excess of $5,000;

                  (iii) each lease, rental or occupancy agreement, license,
installment and conditional sale agreement, and other Applicable Contract
affecting the ownership of, leasing of, title to, use of, or any leasehold or
other interest in, any real or personal property;

                  (iv) each licensing agreement or other Applicable Contract
with respect to patents, trademarks, copyrights, or other intellectual property,
including agreements with current or former employees,

                                       14
<PAGE>

consultants, or contractors regarding the appropriation or the non-disclosure of
any of the Intellectual Property Assets;

                  (v) each joint venture, partnership, and other Applicable
Contract (however named) involving a sharing of profits, losses, costs, or
liabilities by the Company with any other Person;

                  (vi) each Applicable Contract containing covenants that in any
way purport to restrict the business activity of the Company or any Affiliate of
the Company or limit the freedom of the Company or any Affiliate of the Company
to engage in any line of business or to compete with any Person;

                  (vii) each Applicable Contract providing for payments to or by
any Person based on sales, purchases, or profits, other than direct payments for
goods;

                  (viii) each power of attorney that is currently effective and
outstanding;

                  (ix) each Applicable Contract entered into other than in the
Ordinary Course of Business that contains or provides for an express undertaking
by the Company to be responsible for consequential damages;

                  (x) each Applicable Contract for capital expenditures in
excess of $5,000;

                  (xi) each written warranty, guaranty, and or other similar
undertaking with respect to contractual performance extended by the Company
other than in the Ordinary Course of Business; and

                  (xii) each amendment, supplement, and modification (whether
oral or written) in respect of any of the foregoing.

      Part 3.17(a) of the Disclosure Letter sets forth reasonably complete
      details concerning such Contracts, including the parties to the Contracts,
      the amount of the remaining commitment of the Company under the Contracts,
      and the Company's office where details relating to the Contracts are
      located.

            (b) Except as set forth in Part 3.17(b) of the Disclosure Letter:

                  (i) To the Knowledge of Company, no Shareholder (and no
Related Person of any Shareholder) has or may acquire any rights under, and no
Shareholder has or may become subject to any obligation or liability under, any
Contract that relates to the business of, or any of the assets owned or used by,
the Company; and

                  (ii) to the Knowledge of the Company, no officer, director,
agent, employee, consultant, or contractor of the Company is bound by any
Contract that purports to limit the ability of such officer, director, agent,
employee, consultant, or contractor to (A) engage in or continue any conduct,
activity, or practice relating to the business of the Company, or (B) assign to
the Company or to any other Person any rights to any invention, improvement, or
discovery.

            (c) Except as set forth in Part 3.17(c) of the Disclosure Letter,
      each Contract identified or required to be identified in Part 3.17(a) of
      the Disclosure Letter is in full force and effect and is valid and
      enforceable in accordance with its terms.

            (d) Except as set forth in Part 3.17(d) of the Disclosure Letter:

                  (i) the Company is, and at all times since December 31, 1999
has been, in full compliance with all applicable terms and requirements of each
Contract under which the Company has or had any obligation or liability or by
which the Company or any of the assets owned or used by the Company is or was
bound;

                  (ii) each other Person that has or had any obligation or
liability under any Contract under which the Company has or had any rights is,
and at all times since December 31, 1999 has been, in full compliance with all
applicable terms and requirements of such Contract;

                                       15
<PAGE>

                  (iii) no event has occurred or circumstance exists that (with
or without notice or lapse of time) may contravene, conflict with, or result in
a violation or breach of, or give the Company or other Person the right to
declare a default or exercise any remedy under, or to accelerate the maturity or
performance of, or to cancel, terminate, or modify, any Applicable Contract; and

                  (iv) The Company has not given to or received from any other
Person, at any time since December 31, 1999, any notice or other communication
(whether oral or written) regarding any actual, alleged, possible, or potential
violation or breach of, or default under, any Contract.

            (e) Except as described in Part 3.17(e) of the Disclosure Letter,
      there are no renegotiations of, attempts to renegotiate, or outstanding
      rights to renegotiate any material amounts paid or payable to the Company
      under current or completed Contracts with any Person and, to the Knowledge
      of Company and the Company, no such Person has made written demand for
      such renegotiation.

            (f) The Contracts relating to the sale, design, manufacture, or
      provision of products or services by the Company has been entered into in
      the Ordinary Course of Business and have been entered into without the
      commission of any act alone or in concert with any other Person, or any
      consideration having been paid or promised, that is or would be in
      violation of any Legal Requirement.

3.18  INSURANCE

            (a) Company has delivered to Buyer:

                  (i) true and complete copies of all policies of insurance to
which the Company is a party or under which the Company, or any director of the
Company, is or has been covered at any time within the three (3) years preceding
the date of this Agreement;

                  (ii) true and complete copies of all pending applications for
policies of insurance; and

                  (iii) any statement by the auditor of the Company's financial
statements with regard to the adequacy of such entity's coverage or of the
reserves for claims.

            (b) Part 3.18(b) of the Disclosure Letter describes:

                  (i) any self-insurance arrangement by or affecting the
Company, including any reserves established thereunder;

                  (ii) any contract or arrangement, other than a policy of
insurance, for the transfer or sharing of any risk by the Company; and

                  (iii) all obligations of the Company to third parties with
respect to insurance (including such obligations under leases and service
agreements) and identifies the policy under which such coverage is provided.

            (c) Part 3.18(c) of the Disclosure Letter sets forth, by year, for
      the current policy year and each of the three (3) preceding policy years:

                  (i) a summary of the loss experience under each policy;

                  (ii) a statement describing each claim under an insurance
policy:

            (A) the name of the claimant;

            (B) a description of the policy by insurer, type of insurance, and
      period of coverage; and

            (C) the amount and a brief description of the claim; and

                  (iii) a statement describing the loss experience for all
claims that were self-insured, including the number and aggregate cost of such
claims.

                                       16
<PAGE>

            (d) Except as set forth on Part 3.18(d) of the Disclosure Letter:

                  (i) All policies to which the Company is a party or that
provide coverage to the Company, or any director or officer of the Company:

            (A) are valid, outstanding, and enforceable;

            (B) are issued by an insurer that is financially sound and
      reputable;

            (C) taken together, provide adequate insurance coverage for the
      assets and the operations of the Company for all risks normally insured
      against by a Person carrying on the same business or businesses as the
      Company;

            (D) are sufficient for compliance with all Legal Requirements and
      Contracts to which the Company is a party or by which it is bound;

            (E) will continue in full force and effect following the
      consummation of the Contemplated Transactions; and

            (F) do not provide for any retrospective premium adjustment or other
      experienced-based liability on the part of the Company.

                  (ii) The Company has not received (A) any refusal of coverage
or any notice that a defense will be afforded with reservation of rights, or (B)
any notice of cancellation or any other indication that any insurance policy is
no longer in full force or effect or will not be renewed or that the issuer of
any policy is not willing or able to perform its obligations thereunder.

                  (iii) The Company has paid all premiums due, and has otherwise
performed all of their respective obligations, under each policy to which the
Company is a party or that provides coverage to the Company or director thereof.

                  (iv) The Company has given notice to the insurer of all claims
that may be insured thereby.

3.19  ENVIRONMENTAL MATTERS

      Except as set forth in Part 3.19 of the Disclosure Letter:

            (a) Hazardous Material. To the Company's Knowledge, the Company has
      not released any amount of any substance that has been designated by any
      Governmental Body or by applicable federal, state or local law to be
      radioactive, toxic, hazardous or otherwise a danger to health or the
      environment, including, without limitation, PCBs, asbestos, oil and
      petroleum products, urea-formaldehyde and all substances listed as a
      "hazardous substance," "hazardous waste," "hazardous material" or "toxic
      substance" or words of similar import, under any law, including but not
      limited to, the Comprehensive Environmental Response, Compensation, and
      Liability Act of 1980, as amended; the Resource Conservation and Recovery
      Act of 1976, as amended; the Federal Water Pollution Control Act, as
      amended; the Clean Air Act, as amended, and the regulations promulgated
      pursuant to said laws, (a "Hazardous Material"). No Hazardous Materials
      are present as a result of the actions or omissions of the Company, or, to
      the Company's Knowledge, as a result of any actions of any third party or
      otherwise, in, on or under any property, including the land and the
      improvements, ground water and surface water thereof, that the Company has
      at any time owned, operated, occupied or leased.

            (b) Hazardous Materials Activities. The Company has not transported,
      stored, used, manufactured, disposed of, released or exposed its employees
      or others to Hazardous Materials in

                                       17
<PAGE>

      violation of any law in effect on or before the Closing Date, nor has the
      Company disposed of, transported, sold, or manufactured any product
      containing a Hazardous Material (any or all of the foregoing being
      collectively referred to as "Hazardous Materials Activities") in violation
      of any rule, regulation, treaty or statute promulgated by any Governmental
      Body in effect prior to or as of the date hereof to prohibit, regulate or
      control Hazardous Materials or any Hazardous Material Activity.

            (c) Permits. The Company currently holds all environmental
      approvals, permits, licenses, clearances and consents (the "Environmental
      Permits") necessary for the conduct of the Company's Hazardous Material
      Activities and other businesses of the Company as such activities and
      businesses are currently being conducted.

            (d) Environmental Liabilities. No action, proceeding, revocation
      proceeding, amendment procedure, writ, injunction or claim is pending, or
      to the Company's Knowledge, Threatened concerning any Environmental
      Permit, Hazardous Material or any Hazardous Materials Activity of the
      Company. The Company is not aware of any fact or circumstance which could
      involve the Company in any environmental litigation or impose upon the
      Company any environmental liability.

3.20  EMPLOYEES

            (a) Part 3.20 of the Disclosure Letter contains a complete and
      accurate list of the following information for each employee of the
      Company, including each employee on leave of absence or layoff status:
      employer; name; job title; current compensation paid or payable and any
      change in compensation since December 31, 1999; vacation accrued; and
      service credited for purposes of vesting and eligibility to participate
      under any Company Benefit Plans.

            (b) Except as set forth in Part 3.20 (b) of the Disclosure Letter,
      no employee or director of the Company is a party to, or is otherwise
      bound by, any agreement or arrangement, including any confidentiality,
      noncompetition, or proprietary rights agreement, between such employee or
      director and any other Person ("Proprietary Rights Agreement") that in any
      way adversely affects or will affect (i) the performance of his duties as
      an employee or director of the Company, or (ii) the ability of the Company
      to conduct its business, including any Proprietary Rights Agreement with
      the Company by any such employee or director. To Company's Knowledge, no
      officer, or other key employee of the Company intends to terminate his
      employment with the Company.

3.21  LABOR RELATIONS; COMPLIANCE

            The Company has not been nor is a party to any collective bargaining
            or other labor Contract.

3.22  INTELLECTUAL PROPERTY

            (a) Intellectual Property Assets--The term "Intellectual Property
      Assets" includes:

                  (i) "Tracking Systems Corp.," all fictional business names,
trading names, registered and unregistered trademarks, service marks, logotypes,
commercial symbols and applications therefor (collectively, "Marks");

                  (ii) all patents, patent applications, and inventions and
discoveries that may be patentable (collectively, "Patents");

                  (iii) all copyrights in both published works and unpublished
works (collectively, "Copyrights");

                  (iv) all rights in mask works (collectively, "Rights in Mask
Works"); and

                                       18
<PAGE>

                  (v) all know-how, trade secrets, confidential information,
customer lists, software, technical information, data, process technology,
plans, drawings, and blue prints (collectively, "Trade Secrets"); owned, used,
or licensed by the Company as licensee or licensor.

            (b) Agreements--Part 3.22(b) of the Disclosure Letter contains a
      complete and accurate list and summary description, including any
      royalties paid or received by the Company, of all Contracts relating to
      the Intellectual Property Assets to which the Company is a party or by
      which the Company is bound, except for any license implied by the sale of
      a product and perpetual, paid-up licenses for commonly available software
      programs under which the Company is the licensee. Except as set forth in
      Part 3.22(b) of the Disclosure Letter, there are no outstanding and, to
      Company's Knowledge, no Threatened disputes or disagreements with respect
      to any such agreement.

            (c) Know-How Necessary for the Business

                  (i) The Intellectual Property Assets are all those necessary
for the operation of the Company's businesses as they are currently conducted.
The Company is the owner of all right, title, and interest in and to each of the
Intellectual Property Assets, free and clear of all liens, security interests,
charges, encumbrances, equities, and other adverse claims, and has the right to
use without payment to a third party all of the Intellectual Property Assets.

                  (ii) Except as set forth in Part 3.22(c) of the Disclosure
Letter, all former and current employees of the Company have executed written
Contracts with the Company that assign to the Company all rights to any
inventions, improvements, discoveries, or information relating to the business
of the Company. No employee of the Company has entered into any Contract that
restricts or limits in any way the scope or type of work in which the employee
may be engaged or requires the employee to transfer, assign, or disclose
information concerning his work to anyone other than the Company.

            (d) Patents

            The Company does not own or license any Patents and does not have a
      patent application outstanding with the U.S. Patent and Trademark Office
      or the equivalent agency in any foreign country.

            (e) Trademarks

                  (i) Part 3.22(e) of Disclosure Letter contains a complete and
accurate list and summary description of all Marks, owned by or licensed to the
Company. The Company is either (1) the owner of all right, title, and interest
in and to each of the Marks, free and clear of all liens, security interests,
charges, encumbrances, equities, and other adverse claims; or, (2) the holder of
a transferable, non-exclusive, perpetual, royalty-free license to use the Marks.

                  (ii) All Marks that have been registered with the United
States Patent and Trademark Office are currently in compliance with all formal
legal requirements (including the timely post-registration filing of affidavits
of use and incontestability and renewal applications), are valid and
enforceable, and are not subject to any maintenance fees or taxes or actions
falling due within ninety days after the Closing Date.

                  (iii) No Mark has been or is now involved in any opposition,
invalidation, or cancellation and, to Company's Knowledge, no such action is
Threatened with the respect to any of the Marks.

                  (iv) To Company's Knowledge, there is no potentially
interfering trademark or trademark application of any third party.

                  (v) No Mark is infringed or, to Company's Knowledge, has been
challenged or threatened in any way. None of the Marks used by the Company
infringes or is alleged to infringe any trade name, trademark, or service mark
of any third party.

                  (vi) All products and materials containing a Mark bear the
proper federal registration notice where permitted by law.

                                       19
<PAGE>

            (f) Copyrights

                  (i) Part 3.22(f) of the Disclosure Letter contains a complete
and accurate list and summary description of all Copyrights. The Company is the
owner of all right, title, and interest in and to each of the Copyrights, free
and clear of all liens, security interests, charges, encumbrances, equities, and
other adverse claims.

                  (ii) All the Copyrights have been registered and are currently
in compliance with formal legal requirements, are valid and enforceable, and are
not subject to any maintenance fees or taxes or actions falling due within
ninety days after the date of Closing.

                  (iii) No Copyright is infringed or, to Company's Knowledge,
has been challenged or threatened in any way. None of the subject matter of any
of the Copyrights infringes or is alleged to infringe any copyright of any third
party or is a derivative work based on the work of a third party.

                  (iv) All works encompassed by the Copyrights have been marked
with the proper copyright notice.

            (g) Trade Secrets

                  (i) With respect to each Trade Secret, the documentation
relating to such Trade Secret is current, accurate, and sufficient in detail and
content to identify and explain it and to allow its full and proper use without
reliance on the knowledge or memory of any individual.

                  (ii) The Company has taken all reasonable precautions to
protect the secrecy, confidentiality, and value of their Trade Secrets.

                  (iii) The Company has good title and an absolute (but not
necessarily exclusive) right to use the Trade Secrets. The Trade Secrets are not
part of the public knowledge or literature, and, to Company's Knowledge, have
not been used, divulged, or appropriated either for the benefit of any Person
(other than one or more of the Company) or to the detriment of the Company. No
Trade Secret is subject to any adverse claim or has been challenged or
threatened in any way.

3.23  CERTAIN PAYMENTS

      Since December 31, 2000, neither the Company nor any director, officer,
      agent, or employee of the Company, or to Company's Knowledge any other
      Person associated with or acting for or on behalf of the Company, has
      directly or indirectly (a) made any contribution, gift, bribe, rebate,
      payoff, influence payment, kickback, or other payment to any Person,
      private or public, regardless of form, whether in money, property, or
      services (i) to obtain favorable treatment in securing business, (ii) to
      pay for favorable treatment for business secured, (iii) to obtain special
      concessions or for special concessions already obtained, for or in respect
      of the Company or any Affiliate of the Company, or (iv) in violation of
      any Legal Requirement, (b) established or maintained any fund or asset
      that has not been recorded in the books and records of the Company.

3.24  DISCLOSURE

(a) No representation or warranty of Company in this Agreement and no statement
in the Disclosure Letter omits to state a material fact necessary to make the
statements herein or therein, in light of the circumstances in which they were
made, not misleading.

                                       20
<PAGE>

            (b) No notice given pursuant to Section 5.5 will contain any untrue
      statement or omit to state a material fact necessary to make the
      statements therein or in this Agreement, in light of the circumstances in
      which they were made, not misleading.

3.25  RELATIONSHIPS WITH RELATED PERSONS

            Except as set forth in Part 3.25 of the Disclosure Letter: to the
      Knowledge of the Company, no Shareholder or any Related Person of a
      Shareholder has, or since the first day of the next to last completed
      fiscal year of the Company has had, any interest in any property (whether
      real, personal, or mixed and whether tangible or intangible), used in or
      pertaining to the Company's businesses. To the Knowledge of the Company,
      no Shareholder or any Related Person of a Shareholder is, or since the
      first day of the next to last completed fiscal year of the Company has
      owned (of record or as a beneficial owner) an equity interest or any other
      financial or profit interest's therein, a Person that has (i) had business
      dealings or a material financial interest in any transaction with the
      Company other than business dealings or transactions conducted in the
      Ordinary Course of Business with the Company at substantially prevailing
      market prices and on substantially prevailing market terms, or (ii)
      engaged in competition with the Company with respect to any line of the
      products or services of the Company (a "Competing Business") in any market
      presently served by the Company except for less than one percent of the
      outstanding capital stock of any Competing Business that is publicly
      traded on any recognized exchange or in the over-the-counter market.
      Except as set forth in Part 3.25 of the Disclosure Letter, no Shareholder
      or any Related Person of a Shareholder is a party to any Contract with, or
      has any claim or right against, the Company.

3.26  BROKERS OR FINDERS

      Company and its agents have incurred no obligation or liability,
      contingent or otherwise, for brokerage or finders' fees or agents'
      commissions or other similar payment in connection with this Agreement.

               SECTION 4. REPRESENTATIONS AND WARRANTIES OF BUYER

      Buyer represents and warrants to Company as follows:

4.1   ORGANIZATION AND GOOD STANDING

      Buyer is a corporation duly organized, validly existing, and in good
      standing under the laws of the State of Delaware.

4.2   AUTHORITY; NO CONFLICT

            (a) This Agreement constitutes the legal, valid, and binding
      obligation of Buyer, enforceable against Buyer in accordance with its
      terms. Upon the execution and delivery by Buyer of the Agreement with
      Controlling Shareholders, the Escrow Agreement, the Plan of Exchange, the
      General Release and Settlement Agreement, and the Employment Agreements
      (collectively, the "Buyer's Closing Documents"), the Buyer's Closing
      Documents will constitute the legal, valid, and binding obligations of
      Buyer, enforceable against Buyer in accordance with their respective
      terms. Buyer has the absolute and unrestricted right, power, and authority
      to execute and deliver this Agreement and the Buyer's Closing Documents
      and to perform its obligations under this Agreement and the Buyer's
      Closing Documents.

                                       21
<PAGE>

            (b) Except as set forth in Schedule 4.2, neither the execution and
      delivery of this Agreement by Buyer nor the consummation or performance of
      any of the Contemplated Transactions by Buyer will give any Person the
      right to prevent, delay, or otherwise interfere with any of the
      Contemplated Transactions pursuant to:

                  (i) any provision of Buyer's Organizational Documents;

                  (ii) any resolution adopted by the board of directors or the
stockholders of Buyer;

                  (iii) any Legal Requirement or Order to which Buyer may be
subject; or

                  (iv) any Contract to which Buyer is a party or by which Buyer
may be bound.

4.3   CAPITALIZATION

      The authorized securities of the Buyer consist of 100,000,000 shares of
      common stock, par value $0.001 per share, and 1,000,000 shares of
      preferred stock, par value $0.001 per share. The Buyer currently has
      outstanding 40,935,192 shares of common stock, 8,685.78 shares of its
      Series A Convertible Preferred Stock and 300 shares of its Series B
      Convertible Preferred Stock. All such outstanding shares have been duly
      authorized and validly issued and are fully paid and nonassessable.

4.4   INVESTMENT INTENT

      Buyer is acquiring the Shares for its own account and not with a view to
      their distribution within the meaning of Section 2(11) of the Securities
      Act.

4.5   CERTAIN PROCEEDINGS

      There is no pending Proceeding that has been commenced against Buyer and
      that challenges, or may have the effect of preventing, delaying, making
      illegal, or otherwise interfering with, any of the Contemplated
      Transactions. To Buyer's Knowledge, no such Proceeding has been
      Threatened.

4.6   BROKERS OR FINDERS

      Buyer and its officers and agents have incurred no obligation or
      liability, contingent or otherwise, for brokerage or finders' fees or
      agents' commissions or other similar payment in connection with this
      Agreement and will indemnify and hold Company harmless from any such
      payment alleged to be due by or through Buyer as a result of the action of
      Buyer or its officers or agents.

                                       22
<PAGE>

4.7   REPORTING REQUIREMENTS OF THE BUYER

      The Buyer is subject to the reporting and filing requirements of the
      Exchange Act including (1) the periodic reporting requirements and (2) the
      Proxy Rules set forth thereunder. The Buyer and its officers, directors,
      and beneficial owners are subject to the provisions of Section 16 of the
      Exchange Act relating to short-swing profit recapture, reports of
      beneficial ownership and short sale prohibitions and the Buyer and its
      officers, directors, and beneficial owners have timely complied in all
      respects with the filing requirements of the Exchange Act.

4.8   SEC DOCUMENTS

      Buyer has furnished or made available to the Company and each of the
      Shareholders a true and complete copy of each report, schedule,
      registration statement and proxy statement filed by Buyer with the SEC
      since December 31, 2002 (as such documents have since the time of their
      filing been amended, the "SEC Documents"), a list of which is attached as
      Schedule 4.8. Buyer has timely filed with the SEC all documents required
      to have been filed pursuant to the Securities Act and the Exchange Act. As
      of their respective dates, the SEC Documents complied in all material
      respects with the requirements of the Securities Act, or the Exchange Act,
      as the case may be, and the rules and regulations of the SEC thereunder
      applicable to such SEC Documents, and none of the SEC Documents contained
      any untrue statement of a material fact or omitted to state a material
      fact required to be stated therein or necessary to make the statements
      therein, in light of the circumstances under which they were made, not
      misleading.

4.9   QUOTATION ON THE OTC BULLETIN BOARD

      The Buyer's Common Stock is quoted on the OTC Bulletin Board under the
      symbol "ISRE." The Buyer will take all necessary action to maintain its
      eligibility for such quotation on the OTC Bulletin Board. The Buyer will
      use its Best Efforts to cause not less than three (3) firms to make a
      market for the Buyer's Common Stock.

4.10  APPROVAL OF THE EXCHANGE BY THE BUYER'S STOCKHOLDERS

      The transactions contemplated by this Agreement do not require the
      approval of the Buyer's stockholders and the Buyer is not required to file
      a Schedule 14A or 14C with the SEC as a result of the transactions
      contemplated herein.

4.11  APPLICATION FOR STOCK REGISTRATION

            Within 30 days of Closing, Buyer shall make application with the SEC
      to register that number of shares of Buyer's common stock, par value
      $0.001 per share, which Buyer shall exchange for all issued and
      outstanding stock of the Company under the terms of the Plan of Exchange.

                                       23
<PAGE>

              SECTION 5. COVENANTS OF SELLERS PRIOR TO CLOSING DATE

5.1   ACCESS AND INVESTIGATION

      Between the date of this Agreement and the Closing Date, Company will, and
      will cause the Company and its Representatives to, (a) afford Buyer and
      its Representatives and prospective lenders and their Representatives
      (collectively, "Buyer's Advisors") full and free access to the Company's
      personnel, properties, contracts, books and records, and other documents
      and data, (b) furnish Buyer and Buyer's Advisors with copies of all such
      contracts, books and records, and other existing documents and data as
      Buyer may reasonably request, and (c) furnish Buyer and Buyer's Advisors
      with such additional financial, operating, and other data and information
      as Buyer may reasonably request.

5.2   OPERATION OF THE BUSINESS OF THE COMPANY

      Between the date of this Agreement and the Closing Date, Company will:

            (a) conduct the business of the Company only in the Ordinary Course
      of Business;

            (b) use its Best Efforts to preserve intact the current business
      organization of the Company, keep available the services of the current
      officers, employees, and agents of the Company, and maintain the relations
      and good will with suppliers, customers, landlords, creditors, employees,
      agents, and others having business relationships with the Company;

            (c) confer with Buyer concerning operational matters of a material
      nature; and

            (d) otherwise report periodically to Buyer concerning the status of
      the business, operations, and finances of the Company.

5.3   NEGATIVE COVENANT

      Except as otherwise expressly permitted by this Agreement, between the
      date of this Agreement and the Closing Date, Company will not, without the
      prior consent of Buyer, take any affirmative action, or fail to take any
      reasonable action within its control, as a result of which any of the
      changes or events listed in Section 3.16 is likely to occur.

5.4   REQUIRED APPROVALS

      As promptly as practicable after the date of this Agreement, Company will
      make all filings required by Legal Requirements to be made by it in order
      to consummate the Contemplated Transactions. Between the date of this
      Agreement and the Closing Date, Company will cooperate with Buyer with
      respect to all filings that Buyer elects to make or is required by Legal
      Requirements to make in connection with the Contemplated Transactions, and
      take all actions necessary and expedient to obtain the Requisite
      Shareholder Approval of the Plan of Exchange and the transactions
      contemplated therein.

5.5   NOTIFICATION

      Between the date of this Agreement and the Closing Date, the Company will
      promptly notify Buyer in writing if the Company becomes aware of any fact
      or condition that causes or constitutes a Breach of any of Company's
      representations and warranties as of the date of this Agreement, or if the
      Company becomes aware of the occurrence after the date of this Agreement
      of any fact or condition that would (except as expressly contemplated by
      this Agreement) cause or constitute a Breach of any such representation or
      warranty had such representation or warranty been made as of the time of
      occurrence or discovery of such fact or condition. Should any such fact or
      condition require any change in the Disclosure Letter if the Disclosure
      Letter were dated the date of the occurrence or discovery of any such fact
      or condition, Company will promptly deliver to Buyer a supplement to the
      Disclosure Letter specifying such change.

5.6   PAYMENT OF INDEBTEDNESS BY RELATED PERSONS

      Except as expressly provided in this Agreement, Company will use its Best
      Efforts to cause all indebtedness owed to the Company by any Shareholder
      or any Related Person of any Shareholder to be paid in full prior to
      Closing.

                                       24
<PAGE>

5.7   NO NEGOTIATION

      Until such time, if any, as this Agreement is terminated pursuant to
      Section 9, Company will not directly or indirectly solicit, initiate, or
      encourage any inquiries or proposals from, discuss or negotiate with,
      provide any non-public information to, or consider the merits of any
      unsolicited inquiries or proposals from, any Person (other than Buyer)
      relating to any transaction involving the sale of the business or assets
      (other than in the Ordinary Course of Business) of the Company, or any of
      the capital stock of the Company, or any merger, consolidation, business
      combination, or similar transaction involving the Company.

5.8   BEST EFFORTS

      Between the date of this Agreement and the Closing Date, the Company will
      use its Best Efforts to cause the conditions in Sections 7 and 8 to be
      satisfied.

               SECTION 6. COVENANTS OF BUYER PRIOR TO CLOSING DATE

6.1   APPROVALS OF GOVERNMENTAL BODIES

      As promptly as practicable after the date of this Agreement, Buyer will,
      and will cause each of its Related Persons to, make all filings required
      by Legal Requirements to be made by them to consummate the Contemplated
      Transactions. Between the date of this Agreement and the Closing Date,
      Buyer will, and will cause each Related Person to, cooperate with Company
      with respect to all filings that Company are required by Legal
      Requirements to make in connection with the Contemplated Transactions, and
      (ii) cooperate with Company in obtaining all consents identified in Part
      3.2 of the Disclosure Letter; provided that this Agreement will not
      require Buyer to dispose of or make any change in any portion of its
      business or to incur any other burden to obtain a Governmental
      Authorization.

6.2   BID BONDS AND PERFORMANCE BONDS

            As promptly as practicable after the date of this Agreement, Buyer
      will arrange with each issuer of a bid bond or performance bond on behalf
      of the Company to substitute Buyer for any Controlling Shareholder
      guaranteeing the performance of the Company under such bond and to make
      such substitution effective at or as soon as practicable after the
      Closing. Buyer will indemnify any Controlling Shareholder for any and all
      liability, costs and expenses incurred by such Controlling Shareholder
      related to his or her guarantee on any of the Company's bid bond or
      performance bond from the Closing Date to the date Buyer has been
      substituted for the Controlling Shareholders on such bonds.

6.3   INSURANCE

            As soon as practical following the Closing Date, but in no event
      later than the date on which applicable insurance policies for the benefit
      of the Company lapse, Buyer shall

                                       25
<PAGE>

      cause the Company to be listed as an additional insured under its existing
      Directors and Officers, General Liability, Errors and Omissions, and
      Umbrella policies.

6.4   BEST EFFORTS

      Except as set forth in the proviso to Section 6.1, between the date of
      this Agreement and the Closing Date, Buyer will use its Best Efforts to
      cause the conditions in Sections 7 and 8 to be satisfied.

                       SECTION 7. CONDITIONS PRECEDENT TO
                           BUYER'S OBLIGATION TO CLOSE

      Buyer's obligation to acquire the Shares and to take the other actions
      required to be taken by Buyer at the Closing is subject to the
      satisfaction, at or prior to the Closing, of each of the following
      conditions (any of which may be waived by Buyer, in whole or in part):

7.1   ACCURACY OF REPRESENTATIONS

            (a) All of Company's representations and warranties in this
      Agreement (considered collectively), and each of these representations and
      warranties (considered individually), must have been accurate in all
      material respects as of the date of this Agreement, and must be accurate
      in all material respects as of the Closing Date as if made on the Closing
      Date.

            (b) Each of Company's representations and warranties in Sections
      3.3, 3.4, 3.12, and 3.24 must have been accurate in all respects as of the
      date of this Agreement, and must be accurate in all respects as of the
      Closing Date as if made on the Closing Date.

7.2   SELLERS' PERFORMANCE

            (a) All of the covenants and obligations that Company is required to
      perform or to comply with pursuant to this Agreement at or prior to the
      Closing (considered collectively), and each of these covenants and
      obligations (considered individually), must have been duly performed and
      complied with in all material respects.

            (b) Each document required to be delivered pursuant to Section 2.4
      must have been delivered, and each of the other covenants and obligations
      in Sections 5.4 and 5.8 must have been performed and complied with in all
      respects.

7.3   CONSENTS

            (a) Each of the Consents identified in Part 3.2 of the Disclosure
      Letter must have been obtained and must be in full force and effect.

            (b) The Plan of Exchange and the transactions contemplated therein
      shall have received the Requisite Shareholder Approval and no more than
      five percent (5%) of the Shareholders shall have given notice of dissent
      under the provisions of the Pennsylvania Business Corporation Law. The
      term "Requisite Shareholder Approval" means the affirmative vote of the
      majority of each class of capital stock of the Company.

                                       26
<PAGE>

7.4   ADDITIONAL DOCUMENTS

      Each of the following documents must have been delivered to Buyer:

            (a) an opinion of Shumaker Williams, P.C., dated the Closing Date,
      in the form of Exhibit 7.4(a);

            (b) an estoppel certificate, agreement or letter evidencing the
      landlord's obligation to continue the existing lease of the Company's
      leasehold;

            (c) such other documents as Buyer may reasonably request for the
      purpose of (i) enabling its counsel to provide the opinion referred to in
      Section 8.4(a), (ii) evidencing the accuracy of any of Company's
      representations and warranties, (iii) evidencing the satisfaction of any
      condition referred to in this Section 7, (iv) assigning to the Company,
      without additional consideration, all rights and claims respecting the
      Marks (including any trade names, trademarks, service marks, logotypes, or
      commercial symbols identified at Part 3.22 of the Disclosure Letter), or
      (v) otherwise facilitating the consummation or performance of any of the
      Contemplated Transactions.

7.5   NO PROCEEDINGS

      Since the date of this Agreement, there must not have been commenced or
      Threatened against Buyer, or against any Person affiliated with Buyer, any
      Proceeding (a) involving any challenge to, or seeking damages or other
      relief in connection with, any of the Contemplated Transactions, or (b)
      that may have the effect of preventing, delaying, making illegal, or
      otherwise interfering with any of the Contemplated Transactions.

7.6   NO CLAIM REGARDING STOCK OWNERSHIP

            There must not have been made or Threatened by any Person any claim
      asserting that such Person is the holder or the beneficial owner of, or
      has the right to acquire or to obtain beneficial ownership of, any stock
      of, or any other voting, equity, or ownership interest in, the Company.

7.7   NO PROHIBITION

      Neither the consummation nor the performance of any of the Contemplated
      Transactions will, directly or indirectly (with or without notice or lapse
      of time), materially contravene, or conflict with, or result in a material
      violation of, or cause Buyer or any Person affiliated with Buyer to suffer
      any material adverse consequence under, (a) any applicable Legal
      Requirement or Order, or (b) any Legal Requirement or Order that has been
      published by any Governmental Body.

7.8   COMPANY INDEBTEDNESS

            (a) All notes, loans and other obligations or encumbrances of any
      kind (including the payment of performance based fees) by and between the
      Company and Westburg Media Capital (or any of its Affiliates), or under
      which the Company's assets and properties may be bound, shall have been
      refinanced, waived, released or terminated, as the case may be, to the
      sole satisfaction of Buyer.

            (b) All debentures, notes, loans and similar obligations of the
      Company to any Shareholder shall have been refinanced, waived, released or
      terminated to the sole satisfaction of Buyer, including, without
      limitation, execution of the General Release and Settlement Agreement.

                                       27
<PAGE>

        SECTION 8. CONDITIONS PRECEDENT TO SELLERS' OBLIGATION TO CLOSE

      Company's obligation to sell the Shares and to take the other actions
      required to be taken by Company at the Closing is subject to the
      satisfaction, at or prior to the Closing, of each of the following
      conditions (any of which may be waived by Company, in whole or in part):

8.1   ACCURACY OF REPRESENTATIONS

      All of Buyer's representations and warranties in this Agreement
      (considered collectively), and each of these representations and
      warranties (considered individually), must have been accurate in all
      material respects as of the date of this Agreement and must be accurate in
      all material respects as of the Closing Date as if made on the Closing
      Date.

8.2   BUYER'S PERFORMANCE

            (a) All of the covenants and obligations that Buyer is required to
      perform or to comply with pursuant to this Agreement at or prior to the
      Closing (considered collectively), and each of these covenants and
      obligations (considered individually), must have been performed and
      complied with in all material respects.

            (b) Buyer must have delivered each of the documents required to be
      delivered by Buyer pursuant to Section 2.

8.3   CONSENTS

            (a) Each of the Consents identified in Part 3.2 of the Disclosure
      Letter must have been obtained and must be in full force and effect.

            (b) The Plan of Exchange and the transactions contemplated therein
      shall have received the Requisite Shareholder Approval, subject to the
      satisfaction of the terms and conditions set forth therein.

8.4   ADDITIONAL DOCUMENTS

      Buyer must have caused the following documents to be delivered to Company:

            (a) an opinion of Erickson & Sederstrom, P.C., dated the Closing
      Date, in the form of Exhibit 8.4(a);

      (b) a reciprocal release of any and all claims related to the management
      and operation of the Company and associated stock transactions ("General
      Release") executed by Buyer and each exchanging shareholder of the Company
      including the following: Keystone Venture IV, L.P; Odyssey Capital Group,
      L.P. and Penn Janney Fund, Inc.;

      (c) a copy of the loan commitment made by Westburg Media Capital, L.P. to
      Buyer on July 17, 2003 by letter ("Commitment Letter") and executed by
      Buyer and the Waiver Letter from Westburg Media Capital, L.P. to the
      Company dated August 4, 2003; and,

                                       28
<PAGE>

            (d) such other documents as Company may reasonably request for the
      purpose of (i) enabling their counsel to provide the opinion referred to
      in Section 7.4(a), (ii) evidencing the accuracy of any representation or
      warranty of Buyer, (iii) evidencing the performance by Buyer of, or the
      compliance by Buyer with, any covenant or obligation required to be
      performed or complied with by Buyer, (ii) evidencing the satisfaction of
      any condition referred to in this Section 8, or (v) otherwise facilitating
      the consummation of any of the Contemplated Transactions.

8.5   NO INJUNCTION

      There must not be in effect any Legal Requirement or any injunction or
      other Order that (a) prohibits the sale of the Shares by Company to Buyer,
      and (b) has been adopted or issued, or has otherwise become effective,
      since the date of this Agreement.

                             SECTION 9. TERMINATION

9.1   TERMINATION EVENTS

      This Agreement may, by notice given prior to or at the Closing, be
      terminated:

            (a) by either Buyer or Company if a material Breach of any provision
      of this Agreement has been committed by the other party and such Breach
      has not been waived;

            (b) (i) by Buyer if any of the conditions in Section 7 has not been
      satisfied as of the Closing Date or if satisfaction of such a condition is
      or becomes impossible (other than through the failure of Buyer to comply
      with its obligations under this Agreement) and Buyer has not waived such
      condition on or before the Closing Date; or (ii) by Company, if any of the
      conditions in Section 8 has not been satisfied of the Closing Date or if
      satisfaction of such a condition is or becomes impossible (other than
      through the failure of Company to comply with their obligations under this
      Agreement) and Company has not waived such condition on or before the
      Closing Date;

            (c) by mutual consent of Buyer and Company; or

            (d) by either Buyer or Company if the Closing has not occurred
      (other than through the failure of any party seeking to terminate this
      Agreement to comply fully with its obligations under this Agreement) on or
      before September 1, 2003, or such later date as the parties may agree
      upon.

9.2   EFFECT OF TERMINATION

            Each party's right of termination under Section 9.1 is in addition
      to any other rights it may have under this Agreement or otherwise, and the
      exercise of a right of termination will not be an election of remedies. If
      this Agreement is terminated pursuant to Section 9.1, all further
      obligations of the parties under this Agreement will terminate; provided,
      however, that if this Agreement is terminated by a party because of the
      Breach of the Agreement by the other party or because one or more of the
      conditions to the terminating party's obligations under this Agreement is
      not satisfied as a result of the other party's failure to comply with its
      obligations under this Agreement, the terminating party's right to pursue
      all legal remedies will survive such termination unimpaired.

                         SECTION 10. GENERAL PROVISIONS

                                       29
<PAGE>

10.1  EXPENSES

      Except as otherwise expressly provided in this Agreement, each party to
      this Agreement will bear its respective expenses incurred in connection
      with the preparation, execution, and performance of this Agreement and the
      Contemplated Transactions, including all fees and expenses of agents,
      representatives, counsel, and accountants. In the event of termination of
      this Agreement, the obligation of each party to pay its own expenses will
      be subject to any rights of such party arising from a breach of this
      Agreement by another party.

10.2  PUBLIC ANNOUNCEMENTS

      Any public announcement or similar publicity with respect to this
      Agreement or the Contemplated Transactions will be issued, if at all, at
      such time and in such manner as Buyer determines and after informing
      counsel to the Company thereof. Unless consented to by Buyer in advance or
      required by Legal Requirements, prior to the Closing Company shall keep
      this Agreement strictly confidential and may not make any disclosure of
      this Agreement to any Person. Company and Buyer will consult with each
      other concerning the means by which the Company's employees, customers,
      and suppliers and others having dealings with the Company will be informed
      of the Contemplated Transactions, and Buyer will have the right to be
      present for any such communication.

10.3  CONFIDENTIALITY

      Between the date of this Agreement and the Closing Date, Buyer and Company
      will maintain in confidence, and will cause the directors, officers,
      employees, agents, and advisors of Buyer and the Company to maintain in
      confidence, and not use to the detriment of the Buyer or the Company any
      written, oral, or other information obtained in confidence in connection
      with this Agreement or the Contemplated Transactions, unless (a) such
      information is already known to such party or to others not bound by a
      duty of confidentiality or such information becomes publicly available
      through no fault of such party, (b) the use of such information is
      necessary or appropriate in making any filing or obtaining any consent or
      approval required for the consummation of the Contemplated Transactions,
      or (c) the furnishing or use of such information is required by or
      necessary or appropriate in connection with legal proceedings.

      If the Contemplated Transactions are not consummated, each party will
      return or destroy as much of such written information as the other party
      may reasonably request. Whether or not the Closing takes place, Company
      waives any cause of action, right, or claim arising out of the access of
      Buyer or its representatives to any trade secrets or other confidential
      information of the Company except for the intentional competitive misuse
      by Buyer of such trade secrets or confidential information.

10.4  NOTICES

      All notices, consents, waivers, and other communications under this
      Agreement must be in writing and will be deemed to have been duly given
      when (a) delivered by hand (with written confirmation of receipt), (b)
      sent by telecopier (i.e. facsimile machine) (with written confirmation of
      receipt), provided that a copy is mailed by registered mail, return

                                       30
<PAGE>

      receipt requested, or (c) when received by the addressee, if sent by a
      nationally recognized overnight delivery service (receipt requested), in
      each case to the appropriate addresses and telecopier numbers set forth
      below (or to such other addresses and telecopier numbers as a party may
      designate by notice to the other parties):

      If to the Company,
      Tracking Systems Corporation
      Attention:  John Sciortino
      2404 Park Drive
      Commerce Park
      Harrisburg, PA 17110
      Facsimile No.: (717) 545-2270

      With a copy to:
      Shumaker Williams, P.C.
      Attention: Anthony Foschi
      3425 Simpson Ferry Road
      Camp Hill, PA 17108-0088
      Facsimile No.: (717) 763-7419

      If to Buyer,
      iSecureTrac Corp.
      Attention: John Heida
      5022 So. 114th Street
      Omaha, NE 68137

      Facsimile No.: (402) 537-9847

      With a copy to:
      Erickson & Sederstrom, P.C.
      Attention: Virgil Johnson
      10330 Regency Parkway Drive

      Omaha, NE 68114
      Facsimile No.: (402) 390-7137

                                       31
<PAGE>

10.5  JURISDICTION; SERVICE OF PROCESS

      Any action or proceeding seeking to enforce any provision of, or based on
      any right arising out of, this Agreement may be brought against any of the
      parties in the courts of the State of Nebraska, County of Douglas, or, if
      it has or can acquire jurisdiction, in the United States District Court
      for the District of Nebraska, and each of the parties consents to the
      jurisdiction of such courts (and of the appropriate appellate courts) in
      any such action or proceeding and waives any objection to venue laid
      therein. Process in any action or proceeding referred to in the preceding
      sentence may be served on any party anywhere in the world.

10.6  FURTHER ASSURANCES

      The parties agree (a) to furnish upon request to each other such further
      information, (b) to execute and deliver to each other such other
      documents, and (c) to do such other acts and things, all as the other
      party may reasonably request for the purpose of carrying out the intent of
      this Agreement and the documents referred to in this Agreement.

10.7  WAIVER

      The rights and remedies of the parties to this Agreement are cumulative
      and not alternative. Neither the failure nor any delay by any party in
      exercising any right, power, or privilege under this Agreement or the
      documents referred to in this Agreement will operate as a waiver of such
      right, power, or privilege, and no single or partial exercise of any such
      right, power, or privilege will preclude any other or further exercise of
      such right, power, or privilege or the exercise of any other right, power,
      or privilege. To the maximum extent permitted by applicable law, (a) no
      claim or right arising out of this Agreement or the documents referred to
      in this Agreement can be discharged by one party, in whole or in part, by
      a waiver or renunciation of the claim or right unless in writing signed by
      the other party; (b) no waiver that may be given by a party will be
      applicable except in the specific instance for which it is given; and (c)
      no notice to or demand on one party will be deemed to be a waiver of any
      obligation of such party or of the right of the party giving such notice
      or demand to take further action without notice or demand as provided in
      this Agreement or the documents referred to in this Agreement.

10.8  ENTIRE AGREEMENT AND MODIFICATION

      This Agreement supersedes all prior agreements between the parties with
      respect to its subject matter (including the Letter of Intent between
      Buyer and Company dated April 21, 2003) and constitutes (along with the
      documents referred to in this Agreement) a complete and exclusive
      statement of the terms of the agreement between the parties with respect
      to its subject matter. This Agreement may not be amended except by a
      written agreement executed by the party to be charged with the amendment.

10.9  DISCLOSURE LETTER

                                       32
<PAGE>

            (a) The disclosures in the Disclosure Letter, and those in any
      Supplement thereto, must relate only to the representations and warranties
      in the Section of the Agreement to which they expressly relate and not to
      any other representation or warranty in this Agreement.

            (b) In the event of any inconsistency between the statements in the
      body of this Agreement and those in the Disclosure Letter (other than an
      exception expressly set forth as such in the Disclosure Letter with
      respect to a specifically identified representation or warranty), the
      statements in the body of this Agreement will control.

10.10 ASSIGNMENTS, SUCCESSORS, AND NO THIRD-PARTY RIGHTS

            Neither party may assign any of its rights under this Agreement
      without the prior consent of the other parties, which will not be
      unreasonably withheld, except that Buyer may assign any of its rights
      under this Agreement to any Subsidiary of Buyer. Subject to the preceding
      sentence, this Agreement will apply to, be binding in all respects upon,
      and inure to the benefit of the successors and permitted assigns of the
      parties. Nothing expressed or referred to in this Agreement will be
      construed to give any Person other than the parties to this Agreement any
      legal or equitable right, remedy, or claim under or with respect to this
      Agreement or any provision of this Agreement. This Agreement and all of
      its provisions and conditions are for the sole and exclusive benefit of
      the parties to this Agreement and their successors and assigns.

10.11 SEVERABILITY

      If any provision of this Agreement is held invalid or unenforceable by any
      court of competent jurisdiction, the other provisions of this Agreement
      will remain in full force and effect. Any provision of this Agreement held
      invalid or unenforceable only in part or degree will remain in full force
      and effect to the extent not held invalid or unenforceable.

10.12 SECTION HEADINGS, CONSTRUCTION

      The headings of Sections in this Agreement are provided for convenience
      only and will not affect its construction or interpretation. All
      references to "Section" or "Sections" refer to the corresponding Section
      or Sections of this Agreement. All words used in this Agreement will be
      construed to be of such gender or number as the circumstances require.
      Unless otherwise expressly provided, the word "including" does not limit
      the preceding words or terms.

10.13 TIME OF ESSENCE

      With regard to all dates and time periods set forth or referred to in this
      Agreement, time is of the essence.

10.14 GOVERNING LAW

      This Agreement will be governed by the laws of the State of Nebraska
      without regard to conflicts of laws principles.

                                       33
<PAGE>

10.15 COUNTERPARTS

      This Agreement may be executed in one or more counterparts, each of which
      will be deemed to be an original copy of this Agreement and all of which,
      when taken together, will be deemed to constitute one and the same
      agreement.

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

      ISECURETRAC CORP.                             TRACKING SYSTEMS CORPORATION

      By:  /s/  John M. Heida                       By:  /s/  John A. Sciortino
           ------------------                            ----------------------

                                       34
<PAGE><PAGE>

EXHIBIT 10.2

                     AGREEMENT WITH CONTROLLING SHAREHOLDERS

THIS AGREEMENT WITH CONTROLLING SHAREHOLDERS (this "Agreement") dated as of
August 12, 2003, among iSecureTrac Corp., a Delaware corporation ("Buyer"), and
the undersigned shareholders (the "Controlling Shareholders") of Tracking
Systems Corporation, a Pennsylvania corporation ("TSC"). Buyer and Controlling
Shareholders are referred to collectively herein as the "Parties." WHEREAS,
Buyer and TSC have entered into a Share Exchange Agreement, dated as of 12, 2003
(the "Exchange Agreement"). Certain terms used herein without definition are
used herein as defined in the Exchange Agreement.

WHEREAS, Buyer and TSC make certain representations, warranties, and covenants
in the Exchange Agreement which will survive the Closing for purposes of
potential indemnification. Controlling Shareholders, however, will cease to have
any direct ownership interest in TSC immediately after the Closing. Buyer and
Controlling Shareholders therefore wish to provide for post-Closing
indemnification against breaches of these representations, warranties, and
covenants and to make certain other covenants among themselves.

NOW, THEREFORE, in consideration of the premises and the mutual promises herein
made, Buyer and Controlling Shareholders agree as

follows. 1. Definitions.

"Adverse Consequences" means all actions, suits, proceedings, hearings,
investigations, charges, complaints, claims, demands, injunctions, judgments,
orders, decrees, rulings, damages, dues, penalties, fines, costs, amounts paid
in settlement, Liabilities, obligations, Taxes, liens, losses, expenses, and
fees, including court costs and attorneys' fees and expenses.

"Annex" has the meaning set forth in ss.2 below.

"Buyer" has the meaning set forth in the preface above.

"Confidential Information" means any information concerning the businesses and
affairs of TSC that is not already generally available to the public.
"Controlling Shareholders" has the meaning set forth in the preface above.

"Escrow Agreement" has the meaning set forth in ss.4.6 below.

"Exchange Agreement" has the meaning set forth in the preface above.

"Indemnified Party" has the meaning set forth in ss.4.4.1 below.

"Indemnifying Party" has the meaning set forth in ss.4.4.1 below.

"Liability" means, with respect to any Person, any liability or obligation of
such Person of any kind, character or description, whether known or unknown,
absolute or contingent, accrued or unaccrued, disputed or undisputed, liquidated
or unliquidated, secured or unsecured, joint or several, due or to become due,
vested or unvested, executory, determined, determinable or otherwise, and
whether or not the same is required to be accrued on the financial statements of
such Person.

"Party" has the meaning set forth in the preface above.

"Requisite Controlling Shareholders" means Controlling Shareholders holding a
majority in interest of the total number of Shares that all of Controlling
Shareholders hold in the aggregate as set forth in the Annex.

"TSC" has the meaning set forth in the preface above.

<PAGE>

"Tax" means any federal, state, local, or foreign income, gross receipts,
license, payroll, employment, excise, severance, stamp, occupation, premium,
windfall profits, environmental (including taxes under Code ss.59A), customs
duties, capital stock, franchise, profits, withholding, social security (or
similar), unemployment, disability, real property, personal property, sales,
use, transfer, registration, value added, alternative or add-on minimum,
estimated, or other tax of any kind whatsoever, including any interest, penalty,
or addition thereto, whether disputed or not.

"Third Party Claim" has the meaning set forth in ss.4.4.1 below.

2. Controlling Shareholders' Representations and Warranties. Each of Controlling
Shareholders represents and warrants to Buyer that the statements contained in
this ss.2 are materially correct and complete as of the date of this Agreement
and will be materially correct and complete as of the Closing Date (as though
made then and as though the Closing Date were substituted for the date of this
Agreement throughout this ss.2) with respect to such Controlling Shareholder,
except as set forth in the Annex attached hereto (the "Annex").

(a) Authorization. Controlling Shareholder has full power and authority
(including full corporate or other entity power and authority) to execute and
deliver this Agreement and to perform his, her, or its obligations hereunder.
This Agreement constitutes the valid and legally binding obligation of
Controlling Shareholder, enforceable in accordance with its terms and
conditions.

(b) Noncontravention. Except as previously disclosed in the Disclosure Letter,
to the knowledge of each Controlling Shareholder, neither the execution and the
delivery of this Agreement by Controlling Shareholder, nor the performance by
Controlling Shareholder of his, her, or its obligations hereunder, will (i)
violate any constitution, statute, regulation, rule, injunction, judgment,
order, decree, stipulation, ruling, charge, or other restriction of any
government, governmental agency, or court to which Controlling Shareholder is
subject or (ii) conflict with, result in a breach of, constitute a default
under, result in the acceleration of, create in any party the right to
accelerate, terminate, modify, or cancel, or require any notice under any
agreement, contract, lease, license, instrument, or other arrangement to which
Controlling Shareholder is a party or by which he or it is bound or to which any
of his or its assets is subject.

(c) TSC Shares. Controlling Shareholder holds of record the number of Shares set
forth next to his or her name on the Annex.

3. Post-Closing Covenants. The Parties agree as follows with respect to the
period following the Closing.

      3.1.  General. In case at any time after the Closing any further action is
            necessary or desirable to carry out the purposes of the Exchange
            Agreement, each of the Parties will take such further action
            (including the execution and delivery of such further instruments
            and documents) as any other Party may request, all the sole cost and
            expense of the requesting Party (unless the requesting Party is
            entitled to indemnification therefor under ss.4 below). Controlling
            Shareholders acknowledge and agree that from and after the Closing
            Buyer will be entitled to possession of all documents, books,
            records (including Tax records), agreements, and financial data of
            any sort relating to TSC .

      3.2.  Litigation Support. In the event and for so long as any Party
            actively is contesting or defending against any action, suit,
            proceeding, hearing, investigation, charge, complaint, claim, or
            demand in connection with (i) any

                                        2
<PAGE>

            transaction contemplated under the Exchange Agreement or (ii) any
            fact, situation, circumstance, status, condition, activity,
            practice, plan, occurrence, event, incident, action, failure to act,
            or transaction on or prior to the Closing Date involving TSC, each
            of the other Parties will cooperate with the contesting or defending
            Party and his, her, or its counsel in the contest or defense, make
            available his, her, or its personnel, and provide such testimony and
            access to his, her, or its books and records as shall be necessary
            in connection with the contest or defense, all at the sole cost and
            expense of the contesting or defending Party (unless the contesting
            or defending Party is entitled to indemnification therefor underss.4
            below).

      3.3.  Transition. None of Controlling Shareholders will take any action
            that is designed or intended to have the effect of discouraging any
            lessor, licensor, customer, supplier, or other business associate of
            TSC from maintaining the same business relationships with Buyer
            after the Closing as it maintained with TSC prior to the Closing.
            Each Controlling Shareholder will refer all customer inquiries
            relating to the businesses of TSC to Buyer from and after the
            Closing.

      3.4.  Confidentiality. Each Controlling Shareholder will treat and hold as
            such all of the Confidential Information, refrain from using any of
            the Confidential Information except in connection with this
            Agreement or except as required by law, and deliver promptly to
            Buyer or destroy, at the request and option of Buyer, all tangible
            embodiments (and all copies) of the Confidential Information which
            are in his, her, or its possession. In the event that any
            Controlling Shareholder is requested or required (by oral question
            or request for information or documents in any legal proceeding,
            interrogatory, subpoena, civil investigative demand, or similar
            process) to disclose any Confidential Information, that Controlling
            Shareholder will notify Buyer promptly of the request or requirement
            so that Buyer may seek an appropriate protective order or waive
            compliance with the provisions of thisss.3.4. If, in the absence of
            a protective order or the receipt of a waiver hereunder, any
            Controlling Shareholder is, on the advice of counsel, compelled to
            disclose any Confidential Information to any tribunal or else stand
            liable for contempt, that Controlling Shareholder may disclose the
            Confidential Information to the tribunal; provided, however, that
            the disclosing Controlling Shareholder shall use his, her, or its
            Best Efforts to obtain, at the request of Buyer, an order or other
            assurance that confidential treatment will be accorded to such
            portion of the Confidential Information required to be disclosed as
            Buyer shall designate.

      3.5.  Covenant Not to Compete. For a period of three (3) years from and
            after the Closing Date, no Controlling Shareholder will engage
            directly or indirectly in any business that TSC conducts as of the
            Closing Date in any geographic area in which TSC conducts that
            business as of the Closing Date; provided, however, that no owner of
            less than 1% of the outstanding stock of any publicly traded
            corporation shall be deemed to engage solely by reason thereof in
            any of its businesses. Nothwithstanding this provision, this
            Covenant Not to Compete shall not supersede any contrary Covenant
            Not to Compete time and scope provision contained in any Controlling
            Shareholder employment or consulting agreement. If the final
            judgment of a court of competent jurisdiction declares that any term

                                        3
<PAGE>

            or provision of this ss. 3.5 is invalid or unenforceable, the
            Parties agree that the court making the determination of invalidity
            or unenforceability shall have the power to reduce the scope,
            duration, or area of the term or provision, to delete specific words
            or phrases, or to replace any invalid or unenforceable term or
            provision with a term or provision that is valid and enforceable and
            that comes closest to expressing the intention of the invalid or
            unenforceable term or provision, and this Agreement shall be
            enforceable as so modified after the expiration of the time within
            which the judgment may be appealed.

4.    Remedies for Breaches of this Agreement and the Exchange Agreement.

      4.1.  Survival of Representations, Warranties and Covenants. All of the
            representations and warranties of TSC contained in Sections 3.1
            through 3.26, inclusive, of the Exchange Agreement and in Sections
            6.0 and 7.0 of the Plan of Exchange shall survive the Closing and
            continue in full force and effect for a period of one year
            thereafter. All of the representations and warranties of Buyer and
            Controlling Shareholders in this Agreement, shall survive the
            Closing and continue in full force and effect for a period of one
            year thereafter.

      4.2.  Indemnification Provisions for Buyer's Benefit.

            4.2.1. In the event TSC breaches any of its representations,
                  warranties, and covenants contained in the Exchange Agreement,
                  and provided that Buyer makes a written claim for
                  indemnification against any Controlling Shareholder pursuant
                  toss.6.8 below within the survival period (if there is an
                  applicable survival period pursuant toss.4.1 above), then each
                  Controlling Shareholder shall be obligated jointly and
                  severally to indemnify Buyer from and against the entirety of
                  any Adverse Consequences Buyer may suffer (including any
                  Adverse Consequences Buyer may suffer after the end of any
                  applicable survival period) resulting from, arising out of,
                  relating to, in the nature of, or caused by the breach;
                  provided, however, that Controlling Shareholders shall not
                  have any obligation to indemnify Buyer from and against any
                  Adverse Consequences resulting from, arising out of, relating
                  to, in the nature of, or caused by the breach of any
                  representation or warranty of TSC contained in the Exchange
                  Agreement (A) until Buyer has suffered Adverse Consequences by
                  reason of all such breaches in excess of a $25,000 aggregate
                  threshold (at which point Controlling Shareholders will be
                  obligated to indemnify Buyer from and against all such Adverse
                  Consequences relating back to the first dollar) or thereafter
                  (B) to the extent the Adverse Consequences Buyer has suffered
                  by reason of all such breaches exceeds a $230,000 aggregate
                  ceiling (after which point Controlling Shareholders will have
                  no obligation to indemnify Buyer from and against further such
                  Adverse Consequences).

            4.2.2. In the event any Controlling Shareholder breaches any of his,
                  her, or its representations, warranties, or covenants
                  contained in this Agreement and, provided that Buyer makes a
                  written claim for indemnification against such Controlling
                  Shareholder pursuant toss.6.8 below within the survival period
                  (if there is an applicable survival period pursuant toss.4.1
                  above), then such Controlling Shareholder shall indemnify
                  Buyer from and against the entirety of any Adverse
                  Consequences Buyer may suffer (including any Adverse
                  Consequences Buyer may suffer after the end of any applicable
                  survival period) resulting from, arising out of, relating to,
                  in the nature of, or caused by the breach; provided, however,
                  that Controlling Shareholders shall

                                        4
<PAGE>

                  not have any obligation to indemnify Buyer from and against
                  any Adverse Consequences resulting from, arising out of,
                  relating to, in the nature of, or caused by the breach of any
                  representation or warranty of TSC or a Controlling Shareholder
                  contained in the Exchange Agreement (A) until Buyer has
                  suffered Adverse Consequences by reason of all such breaches
                  in excess of a $25,000 aggregate threshold (at which point
                  Controlling Shareholders will be obligated to indemnify Buyer
                  from and against all such Adverse Consequences relating back
                  to the first dollar) or thereafter (B) to the extent the
                  Adverse Consequences Buyer has suffered by reason of all such
                  breaches exceeds a $230,000 aggregate ceiling (after which
                  point Controlling Shareholders will have no obligation to
                  indemnify Buyer from and against further such Adverse
                  Consequences).

            4.2.3 The obligations of each Controlling Shareholder under this
                  ss.4 shall be joint and several.

      4.3   Indemnification Provisions for Controlling Shareholders' Benefit. In
            the event Buyer breaches any of its representations, warranties, and
            covenants contained in the Exchange Agreement or in this Agreement,
            and provided that any Controlling Shareholder makes a written claim
            for indemnification against Buyer pursuant to ss.6.8 below within
            the survival period (if there is an applicable survival period
            pursuant to ss.4.1 above), then Buyer shall indemnify each
            Controlling Shareholder from and against the entirety of any Adverse
            Consequences suffered (including any Adverse Consequences suffered
            after the end of any applicable survival period) resulting from,
            arising out of, relating to, in the nature of, or caused by the
            breach; provided, however, that Buyer shall not have any obligation
            to indemnify any Controlling Shareholder from and against any
            Adverse Consequences resulting from, arising out of, relating to, in
            the nature of, or caused by the breach of any representation or
            warranty of Buyer contained in the Exchange Agreement (A) until such
            claiming Controlling Shareholder has suffered Adverse Consequences
            by reason of all such breaches in excess of a $25,000 aggregate
            threshold (at which point Buyer will be obligated to indemnify such
            Controlling Shareholder from and against all such Adverse
            Consequences relating back to the first dollar) or thereafter (B) to
            the extent the Adverse Consequences Controlling Shareholders have
            suffered by reason of all such breaches exceeds a $230,000 aggregate
            ceiling (after which point Buyer will have no obligation to
            indemnify any Controlling Shareholder from and against further such
            Adverse Consequences).

                                        5
<PAGE>

      4.4   Matters Involving Third Parties.

            4.4.1 If any third party shall notify any Party (the "Indemnified
                  Party") with respect to any matter (a "Third Party Claim")
                  which may give rise to a claim for indemnification against any
                  other Party (the "Indemnifying Party") under this ss.4, then
                  the Indemnified Party shall promptly notify each Indemnifying
                  Party thereof in writing; provided, however, that no delay on
                  the part of the Indemnified Party in notifying any
                  Indemnifying Party shall relieve the Indemnifying Party from
                  any obligation hereunder unless (and then solely to the
                  extent) the Indemnifying Party thereby is prejudiced.

            4.4.2 Any Indemnifying Party will have the right to defend the
                  Indemnified Party against the Third Party Claim with counsel
                  of its choice reasonably satisfactory to the Indemnified Party
                  so long as (A) the Indemnifying Party notifies the Indemnified
                  Party in writing within 15 days after the Indemnified Party
                  has given notice of the Third Party Claim that the
                  Indemnifying Party will indemnify the Indemnified Party from
                  and against the entirety of any Adverse Consequences the
                  Indemnified Party may suffer resulting from, arising out of,
                  relating to, in the nature of, or caused by the Third Party
                  Claim, (B) the Indemnifying Party provides the Indemnified
                  Party with evidence reasonably acceptable to the Indemnified
                  Party that the Indemnifying Party will have the financial
                  resources to defend against the Third Party Claim and fulfill
                  its indemnification obligations hereunder, (C) the Third Party
                  Claim involves only money damages and does not seek an
                  injunction or other equitable relief, (D) settlement of, or an
                  adverse judgment with respect to, the Third Party Claim is
                  not, in the good faith judgment of the Indemnified Party,
                  likely to establish a precedent-setting custom or practice
                  adverse to the continuing business interests or the reputation
                  of the Indemnified Party, and (E) the Indemnifying Party
                  conducts the defense of the Third Party Claim actively and
                  diligently.

            4.4.3 So long as the Indemnifying Party is conducting the defense of
                  the Third Party Claim in accordance with ss.4.4.2 above, (A)
                  the Indemnified Party may retain separate co-counsel at its
                  sole cost and expense and participate in the defense of the
                  Third Party Claim, (B) the Indemnified Party will not consent
                  to the entry of any judgment or enter into any settlement with
                  respect to the Third Party Claim without the prior written
                  consent of the Indemnifying Party (not to be withheld
                  unreasonably), and (C) the Indemnifying Party will not consent
                  to the entry of any judgment or enter into any settlement with
                  respect to the Third Party Claim without the prior written
                  consent of the Indemnified Party (not to be withheld
                  unreasonably).

            4.4.4 In the event any of the conditions inss.4.4.2 above is or
                  becomes unsatisfied, however, (A) the Indemnified Party may
                  defend against, and consent to the entry of any judgment or
                  enter into any settlement with respect to, the Third Party
                  Claim in any manner it reasonably may deem

                                        6
<PAGE>

                  appropriate (and the Indemnified Party need not consult with,
                  or obtain any consent from, any Indemnifying Party in
                  connection therewith), (B) the Indemnifying Parties will
                  reimburse the Indemnified Party promptly and periodically for
                  the costs of defending against the Third Party Claim
                  (including reasonable attorneys' fees and expenses), and (C)
                  the Indemnifying Parties will remain responsible for any
                  Adverse Consequences the Indemnified Party may suffer
                  resulting from, arising out of, relating to, in the nature of,
                  or caused by the Third Party Claim to the fullest extent
                  provided in thisss.4.

      4.5   Determination of Adverse Consequences. The Parties shall take into
            account the time cost of money in determining Adverse Consequences
            for purposes of thisss.4.

      4.6   Recoupment Against Escrow Agreement. Any indemnification to which
            Buyer is entitled under this ss.4 as a result of any Adverse
            Consequences it may suffer shall first be made from the utilization
            of any insurance benefit or proceeds and second as a payment to
            Buyer from the escrow account in accordance with the terms of the
            escrow agreement in substantially the form of Exhibit "4.6" hereto
            (the "Escrow Agreement").

      4.7   Other Indemnification Provisions. Not withstanding any other
            provisions, the foregoing indemnification provisions relating to the
            Controlling Shareholders shall be limited in time and scope as
            follows: Controlling Shareholders shall not have any personal
            obligation to indemnify Buyer from and against any Adverse
            Consequences resulting from, arising out of, relating to, in the
            nature of, or caused by the breach of any representation or warranty
            of TSC contained in the Exchange Agreement or this Agreement (A)
            until Buyer has suffered Adverse Consequences by reason of all such
            breaches in excess of a $25,000 aggregate threshold (at which point
            Controlling Shareholders will be obligated to indemnify Buyer from
            and against all such Adverse Consequences relating back to the first
            dollar) or thereafter (B) to the extent the Adverse Consequences
            Buyer has suffered by reason of all such breaches exceeds a $230,000
            aggregate ceiling (after which point Controlling Shareholders will
            have no obligation to indemnify Buyer from and against further such
            Adverse Consequences); provided however, that any insurance benefits
            in effect shall first be utilized and the amount of funds deposited
            into the Escrow Account as contemplated in ss.4.6 shall be reduced
            dollar for dollar after any insurance benefits are exhausted; and
            Controlling Shareholders' obligations for indemnification under this
            Agreement shall be limited solely to amounts held in escrow.
            Controlling Shareholders shall have no further liability under this
            Agreement or otherwise and all Controlling Shareholder
            indemnification liability shall cease one year following the Closing
            Date.

      Exceptions to Controlling Shareholders' Liability for Indemnification.
      Notwithstanding any other provisions, the foregoing indemnification
      provisions relating to the Controlling Shareholders shall be subject to
      the following exceptions and limitations: Controlling Shareholders shall
      not have any personal obligation to indemnify Buyer from and against any
      Adverse Consequences regarding the following: any TSC customer contracts
      without

                                        7
<PAGE>

      an assignment clause or any issues related to any claims by ElmoTech Ltd.
      of Tel Aviv, Israel related to the ownership of the trademark "MEMS" or
      any derivative thereof.

5     Termination. This Agreement shall terminate (i) on the date the Exchange
      Agreement is terminated if the Exchange Agreement is terminated prior to
      the Closing in accordance with and pursuant to the terms thereof, or (ii)
      one (1) year from the date of Closing, provided that no claims for
      indemnification pursuant to Section 4 above are then outstanding in which
      case this Agreement shall continue until all such claims are fully
      settled.

6     Miscellaneous.

      6.4   Exclusivity. No Controlling Shareholder will (i) solicit, initiate,
            or encourage the submission of any proposal or offer from any Person
            relating to the acquisition of any capital stock or other voting
            securities, or any substantial portion of the assets, of TSC
            (including any acquisition structured as a merger, consolidation, or
            share exchange) or (ii) participate in any discussions or
            negotiations regarding, furnish any information with respect to,
            assist or participate in, or facilitate in any other manner any
            effort or attempt by any Person to do or seek any of the foregoing.
            Each Controlling Shareholder will notify Buyer immediately if he,
            she, or it becomes aware that any Person has made any proposal,
            offer, inquiry, or contact with respect to any of the foregoing.

      6.5   Press Releases and Public Announcements. No Controlling Shareholder
            shall issue any press release or make any public announcement
            relating to the subject matter of the Exchange Agreement without the
            prior written approval of Buyer; provided, however, that any
            Controlling Shareholder may make any public disclosure it believes
            in good faith is required by applicable law (in which case the
            disclosing Party will use its reasonable Best Efforts to advise the
            other Parties prior to making the disclosure).

      6.6   No Third-Party Beneficiaries. This Agreement shall not confer any
            rights or remedies upon any Person other than the Parties and their
            respective successors and permitted assigns.

      6.7   Entire Agreement. This Agreement (including the documents referred
            to herein) constitutes the entire agreement among the Parties and
            supersedes any prior understandings, agreements, or representations
            by or among the Parties, written or oral, to the extent they related
            in any way to the subject matter hereof.

      6.8   Succession and Assignment. This Agreement shall be binding upon and
            inure to the benefit of the Parties named herein and their
            respective successors and permitted assigns. No Party may assign
            either this Agreement or any of his, her, or its rights, interests,
            or obligations hereunder without the prior written approval of Buyer
            and Requisite Controlling Shareholders; provided, however, that
            Buyer may (i) assign any or all of its rights and interests
            hereunder to one or more of its Affiliates and (ii) designate one or
            more of its Affiliates to perform its obligations hereunder (in any
            or all of which cases Buyer nonetheless shall remain liable and
            responsible for the performance of all of its obligations
            hereunder).

                                        8
<PAGE>

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

      6.10  Headings. The section headings contained in this Agreement are
            inserted for convenience only and shall not affect in any way the
            meaning or interpretation of this Agreement.

      6.11  Notices. All notices, requests, demands, claims, and other
            communications hereunder will be in writing. Any notice, request,
            demand, claim, or other communication hereunder shall be deemed duly
            given (i) when delivered personally to the recipient, (ii) one
            business day after being sent to the recipient by reputable
            overnight courier service (charges prepaid), (iii) one business day
            after being sent to the recipient by facsimile transmission or
            electronic mail, or (iv) four business days after being mailed to
            the recipient by certified or registered mail, return receipt
            requested and postage prepaid, and addressed to the intended
            recipient as set forth below:

            If to the Controlling Shareholders, at their respective addresses
            and facsimile numbers set forth at the Annex, with a copy to:
            Shumaker Williams, P.C.

            Attention: Anthony Foschi
            3425 Simpson Ferry Road
            Camp Hill, PA 17108-0088
            Facsimile No.: (717) 763-7419

            If to Buyer,
            iSecureTrac Corp.
            Attention: John Heida
            5022 So. 114th Street
            Omaha, NE 68137

            Facsimile No.: (402) 537-9847

            With a copy to:
            Erickson & Sederstrom, P.C.
            Attention: Virgil Johnson
            10330 Regency Parkway Drive

            Omaha, NE 68114
            Facsimile No.: (402) 390-7137

            Process Agent:
            Thomas P. Gacki, Esq.
            Eckert Seamans Cherin & Mellott, LLC
            213 Market Street
            Harrisburg, PA 17101
            Facsimile No: (717) 237-6019

                                        9
<PAGE>

            Any Party may change the address to which notices, requests,
            demands, claims, and other communications hereunder are to be
            delivered by giving the other Parties notice in the manner herein
            set forth.

      6.12  Governing Law. This Agreement shall be governed by and construed in
            accordance with the domestic laws of the State of Nebraska without
            giving effect to any choice or conflict of law provision or rule
            (whether of the State of Nebraska or any other jurisdiction) that
            would cause the application of the laws of any jurisdiction other
            than the State of Nebraska.

      6.13  Amendments and Waivers. No amendment of any provision of this
            Agreement shall be valid unless the same shall be in writing and
            signed by Buyer and Requisite Controlling Shareholders. No waiver by
            any Party of any provision of this Agreement or any default,
            misrepresentation, or breach of warranty or covenant hereunder,
            whether intentional or not, shall be valid unless the same shall be
            in writing and signed by the Party making such waiver nor shall such
            waiver be deemed to extend to any prior or subsequent default,
            misrepresentation, or breach of warranty or covenant hereunder or
            affect in any way any rights arising by virtue of any prior or
            subsequent such default, misrepresentation, or breach of warranty or
            covenant.

      6.14  Severability. Any term or provision of this Agreement that is
            invalid or unenforceable in any situation in any jurisdiction shall
            not affect the validity or enforceability of the remaining terms and
            provisions hereof or the validity or enforceability of the offending
            term or provision in any other situation or in any other
            jurisdiction.

      6.15  Expenses. Each of the Parties will bear his, her, or its own costs
            and expenses (including legal fees and expenses) incurred in
            connection with this Agreement and the transactions contemplated
            hereby (except as otherwise provided herein).

      6.16  Construction. The Parties have participated jointly in the
            negotiation and drafting of this Agreement. In the event an
            ambiguity or question of intent or interpretation arises, this
            Agreement shall be construed as if drafted jointly by the Parties
            and no presumption or burden of proof shall arise favoring or
            disfavoring any Party by virtue of the authorship of any of the
            provisions of this Agreement. Any reference to any federal, state,
            local, or foreign statute or law shall be deemed also to refer to
            all rules and regulations promulgated thereunder, unless the context
            requires otherwise. The word "including" shall mean including
            without limitation.

      6.17  Incorporation of Annex and Exhibits. The Annex and Exhibits hereto
            are incorporated herein by reference and made a part hereof.

      6.18  Specific Performance. Each Party acknowledges and agrees that the
            other Parties would be damaged irreparably in the event any
            provision of this Agreement is not performed in accordance with its
            specific terms or otherwise is breached, so that a Party shall be
            entitled to injunctive relief to prevent breaches of this Agreement
            and to enforce specifically this Agreement and the terms and
            provisions hereof, in addition to any other remedy to which such
            Party may be entitled, at law or in equity. In particular, the
            Parties acknowledge that the business of TSC is unique and recognize
            and affirm that in the event Controlling Shareholders breach

                                       10
<PAGE>

            this Agreement, money damages would be inadequate and Buyer would
            have no adequate remedy at law, so that Buyer shall have the right,
            in addition to any other rights and remedies existing in its favor,
            to enforce its rights and the other Parties' obligations hereunder
            not only by action for damages but also by action for specific
            performance, injunctive, and/or other equitable relief.

      6.19  Submission to Jurisdiction. Each of the Parties submits to the
            jurisdiction of any state or federal court sitting in Omaha,
            Nebraska, in any action or proceeding arising out of or relating to
            this Agreement and agrees that all claims in respect of the action
            or proceeding may be heard and determined in any such court. Each
            Party also agrees not to bring any action or proceeding arising out
            of or relating to this Agreement in any other court. Each of the
            Parties waives any defense of inconvenient forum to the maintenance
            of any action or proceeding so brought and waives any bond, surety,
            or other security that might be required of any other Party with
            respect thereto. Each Party appoints the Process Agent as his or its
            agent to receive on his or its behalf service of copies of the
            summons and complaint and any other process that might be served in
            the action or proceeding. Any Party may make service on any other
            Party by sending or delivering a copy of the process (i) to the
            Party to be served at the address and in the manner provided for the
            giving of notices in ss.6.8 above or (ii) to the Party to be served
            in care of the Process Agent at the address and in the manner
            provided for the giving of notices in ss.6.8 above. Nothing in this
            ss.6.16, however, shall affect the right of any Party to bring any
            action or proceeding arising out of or relating to this Agreement in
            any other court or to serve legal process in any other manner
            permitted by law or in equity. Each Party agrees that a final
            judgment in any action or proceeding so brought shall be conclusive
            and may be enforced by suit on the judgment or in any other manner
            provided by law or in equity.

                                       11
<PAGE>

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

BUYER:                                          CONTROLLING SHAREHOLDERS:

ISECURETRAC CORP.

                                               /s/ John A. Sciortino

By:   /s/  John M. Heida

                                               /s/  Donna M. Reynolds Sciortino

                                               /s/ Louis C. Fiocchi

                                               /s/ Francis A. Cerchiaro

                                       12
<PAGE>

                                                                           ANNEX

<TABLE>
<CAPTION>
                                                                                 NO. OF TSC SHARES
                                                                     -----------------------------------------
                                                                      CLASS A         CLASS B         CLASS C
NAME AND ADDRESS OF SELLER      FACSIMILE NO.     COMMON STOCK       PREFERRED       PREFERRED       PREFERRED
--------------------------------------------------------------------------------------------------------------
<S>                             <C>
John A. Sciortino
2374 Jessamy Court
Harrisburg, PA 17112

Donna M. Reynolds Sciortino
2374 Jessamy Court
Harrisburg, PA 17112

Louis C. Fiocchi
108 Ferry Lane
South Glastonbury, CT 06073

Francis A. Cerchiaro
145 York Road
Delran, NJ 08075

EXCEPTIONS TO SS.2:
-------------------
</TABLE>

                                       13
<PAGE>

                                                                     EXHIBIT 4.6

                                ESCROW AGREEMENT

      THIS ESCROW AGREEMENT ("Escrow Agreement"), dated as of ____________, 2003
      (the "Closing Date"), among iSecureTrac Corp., a Delaware corporation
      ("Buyer"), each of the undersigned persons (collectively, the "Controlling
      Shareholders"), and the law firm of Eckert Seamans Cherin & Mellott, LLC,
      213 Market Street, Harrisburg, PA 17101 as escrow agent ("Escrow Agent").
      Buyer and Controlling Shareholders are parties to that certain Agreement
      with Controlling Shareholders, dated August 12, 2003 (the "Indemnification
      Agreement") providing for the establishment of an escrow account.

      Capitalized terms used in this Escrow Agreement without definition shall
      have the respective meanings given to them in the Indemnification
      Agreement. The parties, intending to be legally bound, hereby agree as
      follows:

      1.0   DEFINITIONS

            1.1 "Collateral" shall mean stock certificates for the Buyer's
      Shares listed opposite each Controlling Shareholder's name on Exhibit "A"
      hereto.

      2.0   DEPOSIT

            2.1 Upon Closing, Buyer shall deposit Collateral with Escrow Agent.

            2.2 Escrow Agent, as a safekeeping (escrow) agent, agrees to accept
      Collateral from Buyer upon Closing and hold the same in safekeeping at its
      offices herein indicated pursuant to the terms and conditions of this
      Escrow Agreement.

            2.3 Escrow Agent shall have no obligation to inspect or pass on the
      adequacy, accuracy or legality of Collateral.

            2.4 Buyer hereby represents that Collateral is not subject to any
      lien or other encumbrance.

            2.5 Escrow Agent shall act as Process Agent for purposes of
      receiving notices and process as described in the Indemnification
      Agreement.

            2.6 Buyer shall pay Escrow Agent all fees for Escrow Agent's
      services hereunder as mutually determined to be appropriate between Buyer
      and Escrow Agent.

      3.0   CLAIMS

            3.1 At any time during the term of this Agreement, Buyer may give
      notice to Controlling Shareholders and Escrow Agent specifying in
      reasonable detail the nature

                                       14
<PAGE>

      and dollar amount of any claim it may have under the Indemnification
      Agreement ("Claim"). Buyer may assert more than one Claim with respect to
      the same facts.

            3.2 Controlling Shareholders may dispute any Claim by giving notice
      thereof to Buyer and Escrow Agent specifying in reasonable detail the
      reasons such Claim is disputed ("Claim Dispute") within thirty (30)
      calendar days following their receipt of notice of the Claim ("Counter
      Notice Period).

            3.3 If a Claim Dispute is not received by Escrow Agent or Buyer
      within the Counter Notice Period, then the dollar amount of damages
      claimed by Buyer as set forth in its Claim notice shall be deemed
      established.

            3.4 If a Claim Dispute is received by Escrow Agent or Buyer within
      the Counter Notice Period, then such claim shall be resolved as provided
      in Section 4.7 of the Indemnification Agreement in order to establish the
      dollar amount of damages, if any.

            3.5 Upon the establishment of the dollar amount of damages
      ("Damages"), and after applying any insurance benefits or proceeds, and
      provided that such damages do not exceed the value of the Collateral,
      Escrow Agent shall deduct Damages from the then-current market value of
      Collateral and exchange such Collateral with Buyer for new certificates of
      Buyer's Shares reflecting such a diminished value of Collateral on a
      pro-rata by Controlling Shareholder basis and such newly issued Buyer's
      Shares shall then be Collateral.

            3.6 In the event Damages, after application of any insurance
      benefits or proceeds, equal or exceed the value of Collateral, Escrow
      Agent shall release all remaining Collateral to Buyer and this Escrow
      Agreement shall be terminated as provided herein.

            3.7 Escrow Agent shall not be required to consider the merits of any
      Claim or determine whether a Claim complies with the requirements of the
      Indemnification Agreement.

      4.0   RELEASE OF DEPOSIT

            4.1 The term of this Escrow Agreement shall be one (1) calendar year
      from the date of Closing ("Escrow Term"). In the event a Claim is
      outstanding upon the expiration of the Escrow Term, the Escrow Term shall
      be extended until such Claim is fully settled as provided herein.

            4.2 Upon expiration of the Escrow Term, Escrow Agent shall pay and
      distribute the balance of the Collateral to the former Tracking Systems
      Corporation shareholders as provided on Annex A hereto.

      5.0   ESCROW AGENT'S RESPONSIBILITIES

                                       15
<PAGE>

            5.1 Buyer and each Controlling Shareholder agree to indemnify,
      defend and hold Escrow Agent harmless from any and all claims, actions,
      damages, arbitration fees and expenses, costs and other liabilities
      ("Liabilities") incurred by Escrow Agent related to this escrow
      arrangement unless such Liabilities were caused solely by the negligence
      or willful misconduct of Escrow Agent.

            5.2 Escrow Agent shall be entitled to rely upon any order, judgment,
      certification, demand, notice, instrument or other writing delivered to it
      hereunder without being required to determine the authenticity or the
      correctness of any fact stated therein or the propriety or validity of the
      service thereof. Escrow Agent may act in reliance upon any instrument or
      signature believed by it to be genuine and may assume that the person
      purporting to give receipt or advice or make any statement or execute any
      document in connection with the provisions hereof has been duly authorized
      to do so. Escrow Agent may conclusively presume that the undersigned
      representative of any party hereto which is an entity other than a natural
      person has full power and authority to instruct Escrow Agent on behalf of
      that party unless written notice to the contrary is delivered to Escrow
      Agent.

            5.3 Escrow Agent shall not be required to make and makes no
      representation as to the validity, value, genuineness or the
      collectability of any security or other document or instrument held by or
      delivered to it.

            5.4 Escrow Agent shall not be called upon to advise any party as to
      the wisdom in selling or retaining or taking or refraining from any action
      with respect to any securities or other property deposited hereunder.

            5.5 In the event of any disagreement between the other parties
      hereto resulting in adverse claims or demands being made in connection
      with the Collateral or in the event that Escrow Agent is in doubt as to
      what action it should take hereunder, Escrow Agent shall be entitled to
      retain the Collateral until Escrow Agent shall have received (i) a final
      non-appealable order of a court of competent jurisdiction directing
      delivery of the Collateral or (ii) a written agreement executed by the
      other parties hereto directing delivery of the Collateral, in which event
      Escrow Agent shall disburse the Collateral in accordance with such order
      or agreement.

      6.0   MISCELANEOUS

            6.1 All notices and other communications under this Escrow Agreement
      must be in writing and will be deemed to have been duly given when (a)
      delivered by hand (with written confirmation of receipt), (b) sent by
      telecopier (with written confirmation of receipt) provided that a copy is
      mailed by registered mail, return receipt requested, or (c) when received
      by the addressee, if sent by a nationally recognized overnight delivery
      service (receipt requested), in each case to the appropriate addresses and
      telecopier numbers as set forth at Schedule "A" to the Indemnification
      Agreement (or to such other addresses and telecopier numbers as a party
      may designate by notice to the other parties).

                                       16
<PAGE>

            6.2 Any action or proceeding seeking to enforce any provision of, or
      based on any right arising out of, this Escrow Agreement may be brought
      against any of the parties in the courts of the State of Nebraska, County
      of Douglas, or, if it has or can acquire jurisdiction, in the United
      States District Court for the District of Nebraska, and each of the
      parties consents to the jurisdiction of such courts (and of the
      appropriate appellate courts) in any such action or proceeding and waives
      any objection to venue laid therein. Process in any action or proceeding
      referred to in the preceding sentence may be served on any party anywhere
      in the world.

            6.3 This Escrow Agreement may be executed in one or more
      counterparts, each of which will be deemed to be an original and all of
      which, when taken together, will be deemed to constitute one and the same.

            6.4 The headings of sections in this Escrow Agreement are provided
      for convenience only and will not affect its construction or
      interpretation.

            6.5 The rights and remedies of the parties to this Escrow Agreement
      are cumulative and not alternative. Neither the failure nor any delay by
      any party in exercising any right, power, or privilege under this Escrow
      Agreement or the documents referred to in this Escrow Agreement will
      operate as a waiver of such right, power, or privilege, and no single or
      partial exercise of any such right, power, or privilege will preclude any
      other or further exercise of such right, power, or privilege or the
      exercise of any other right, power, or privilege. To the maximum extent
      permitted by applicable law, (a) no claim or right arising out of this
      Escrow Agreement or the documents referred to in this Escrow Agreement can
      be discharged by one party, in whole or in part, by a waiver or
      renunciation of the claim or right unless in writing signed by the other
      party; (b) no waiver that may be given by a party will be applicable
      except in the specific instance for which it is given; and (c) no notice
      to or demand on one party will be deemed to be a waiver of any obligation
      of such party or of the right of the party giving such notice or demand to
      take further action without notice or demand as provided in this Escrow
      Agreement or the documents referred to in this Escrow Agreement.

            6.6 This Escrow Agreement supersedes all prior agreements among the
      parties with respect to its subject matter and constitutes (along with the
      documents referred to in this Escrow Agreement) a complete and exclusive
      statement of the terms of the agreement between the parties with respect
      to its subject matter. This Escrow Agreement may not be amended except by
      a written agreement executed by the Buyer, the Controlling Shareholders
      and the Escrow Agent.

            6.7 This Escrow Agreement shall be governed by the laws of the State
      of Nebraska, without regard to conflicts of law principles.

                                       17
<PAGE>

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

BUYER:                                               CONTROLLING SHAREHOLDERS:
ISECURETRAC CORP.

By: ________________________________            ________________________________

ESCROW AGENT:                                   ________________________________

By: ________________________________            ________________________________

                                                ________________________________

                                       18
<PAGE>

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