Document:

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                                                                  Exhibit 4.02

                             SUBSCRIPTION AGREEMENT

ISECURETRAC CORP.
5022 South 144 th Street
Omaha, NE 68137

Ladies and Gentlemen:

     The undersigned hereby applies to ISECURETRAC CORP., a Delaware corporation
(the "Corporation"), to purchase ____________ shares (the "Shares") of the
Corporation's common stock, par value $.001 per share (the "Common Stock"), at a
purchase price of $_____ per share, or an aggregate purchase price of
$__________, such purchase price and Shares to be delivered upon the execution
and delivery hereof.

1.   Representations and Warranties of the Undersigned.

     The undersigned hereby represents and warrants to the Corporation as
follows:

     a.   The undersigned has received and read and understands this
          Subscription Agreement (this "Agreement"), as well as the
          Corporation's Prospectus dated _________, 2002 (the "Prospectus"). The
          undersigned's domicile is in the State of _______________, and the
          undersigned or its signatory is over 18 years of age.

     b.   No representations or warranties have been made to the undersigned by
          the Corporation or any agent of the Corporation, other than as set
          forth in this Agreement or in the Prospectus.

     c.   The undersigned has full power and authority to make the
          representations referred to in this Agreement, to execute and deliver
          this Agreement and to purchase the Shares.

     d.   The undersigned's authorization, execution, delivery, and performance
          of this Agreement do not conflict with any other agreement or
          arrangement to which the undersigned is a party or by which the
          undersigned is bound.

     e.   The undersigned is aware of the Corporation's business affairs and
          financial condition, including the fact that the Corporation has only
          a limited financial and operating history and the undersigned has
          acquired sufficient information about the Corporation to reach an
          informed and knowledgeable decision to acquire an interest in the
          Corporation.

     f.   The undersigned acknowledges that this Agreement may be accepted or
          rejected, in whole or in part, by the Corporation in its sole
          discretion, and that the subscription proceeds will be returned to the
          undersigned upon any such rejection.

     g.   The undersigned is purchasing for investment and not with a view
          toward distribution of all or any part of the Shares.

     h.   The undersigned hereby agrees to indemnify and hold harmless the
          Corporation and each director, officer or employee thereof from and
          against any and all loss, damage or liability due to or arising out of
          a breach of any of the foregoing representations and warranties of the
          undersigned.

2.   Survival of Agreements, Representations and Warranties, Etc.

     All agreements, representations and warranties contained herein or made in
writing by or on behalf of the Corporation in connection with the transactions
contemplated by this Agreement shall survive the execution and delivery

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of this Agreement, any investigation at any time made by the undersigned or on
the undersigned's behalf, and the sale and purchase of the Shares and payment
therefor.

3.   Miscellaneous.

     This Agreement may be executed in any number of counterparts, each of which
shall be an original but all of which taken together shall constitute one
agreement. Neither this Agreement nor any term hereof may be changed, waived,
discharged or terminated orally, but only with the written consent of the
undersigned and the Corporation. This Agreement shall be governed by and
construed under the laws of the State of Nebraska (without giving effect to any
conflict of laws provisions). This Agreement sets forth the entire agreement of
the parties with respect to the subject matter hereof.

               [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK]

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                   THE INDIVIDUAL INVESTOR SIGNATURE PAGE

                FOR ISECURETRAC CORP. SUBSCRIPTION AGREEMENT

<Table>

                                                        Date:_________________, 200_____

<S>                                         <C>
Number of Shares Subscribed for: __________  Amount of Subscription: $__________________

___________________________________________  ___________________________________________
Name of Individual                           Social Security No.

___________________________________________  ___________________________________________
Street Address                               Date of Birth

___________________________________________  __________________  _______________________
City             State             Zip Code  Home Phone          Business  Phone
</Table>

              Manner in which Shares are to be held (check one):

/ /  Individual Ownership                       / /  Community Property

/ /  Tenants-in-Common                          / /  Separate Property

/ /  Joint Tenant with Right of Survivorship    / /  Other (please specify)

                                              ________________________________
                                              Signature

Accepted this ___ day of __________, 200_.

                                             ISECURETRAC CORP.

                                             By: ____________________________

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                           THE ENTITY SIGNATURE PAGE

                FOR ISECURETRAC CORP. SUBSCRIPTION AGREEMENT

<Table>

                                                Date:_________________, 200_____________

<S>                                        <C>
Number of Shares Subscribed for: _________  Amount of Subscription: $___________________

__________________________________________  ____________________________________________
Name of Corporation or Entity               Federal Tax Identification No.

__________________________________________  ____________________________________________
Address                                     State of Incorporation or Formation

__________________________________________  ___________________  _______________________
City             State            Zip Code  Phone                Fax
</Table>

              Manner in which Shares are to be held (check one):

/ /  Partnership                       / /  Limited Liability Company

/ /  Corporation                       / /  Limited Liability Partnership

/ /  Trust                             / /  Other (please specify)_____________

                                              _________________________________
                                              Signature

                                              _________________________________
                                              Title

Accepted this ___ day of __________, 200_.

                                             ISECURETRAC CORP.

                                             By: ____________________________<Page>

                                                                  Exhibit 10.01

                                      LEASE

      THIS LEASE, made and entered into this 26th day of June, 2001, by and
between:

                              Empire Group, L.L.C.,
                              a Nebraska Limited Liability Company
                              by its Manager
                              First Management, Inc.,
                              Suite 550-The Center,
                              1941 South 42nd Street,
                              Omaha, Nebraska 68105-2982,

hereinafter called the "Owner", and

                              iSecureTrac Corp.,
                              a Delaware Corporation,
                              with offices at
                              3345 North 107th Street,
                              Omaha, Nebraska 68134,

hereinafter called the "Tenant".

       WITNESSETH: That,

1.   PREMISES.

     The Owner does hereby lease, demise and let unto the Tenant the following
     described premises as they are now constructed:

     The "Tenant Area" and a proportionate share of the "common Area", each as
     shown on EXIBIT A attached hereto, and situated on the lower level of that
     two level Empire Park II building located at 5022 South 114th Street, in
     Omaha, Nebraska. Said premises contain 3,291 gross square feet of area as
     shown on EXHIBIT A attached hereto and by this reference made a part
     hereof.

     Said premises are a portion of a development known as EMPIRE PARK II,
     Omaha, Nebraska.

     In addition to the demised premises, Tenant shall enjoy the nonexclusive
     use of automobile parking areas, access roads, sidewalks and other common
     facilities furnished by Owner, subject to control and reasonable regulation
     by Owner.

2.   LEASE CONSIDERATION,

     The consideration for this lease is the mutual covenants of the parties. As
     partial consideration for this lease and annually upon request by the
     Owner, the Tenant agrees to furnish Owner a signed current financial
     statement reflecting Tenant's financial condition.

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     As consideration for the preparation of this lease, the Tenant has
     delivered to the Owner the sum of $12,000.00 upon execution of this lease,
     and Tenant agrees to deliver to the Owner an additional $12,000.00 prior to
     Tenant's occupancy of the premises. Said sums to be applied to the first
     and subsequent rental due hereunder after this lease is executed by both
     parties.

3.   TERM.

     The term of this lease is four (4) lease years commencing December 1, 2001
and ending November 30, 2005, provided:

      a) Tenant shall be permitted to occupy the premises prior to December 1,
         2001 upon Owners completion of the construction, of the additional
         interior improvements pursuant to Section 21 of this Lease; and

      b) This lease shall automatically renew for additional one (1) year
         periods from and after the last day of the initial four (4) year term
         hereof unless terminated as of the last day of such initial four (4)
         year term or as of the last day of any subsequent one (1) year renewal
         by either Owner or Tenant giving the other no less than one hundred
         twenty (120) days prior written notice.

     LEASE YEAR.

     The beginning day of the rent shall establish the beginning of each lease
     year; and the term of this lease shall run from that day provided, however,
     that if the rent beginning date shall fall on any day other than the first
     day of the month Tenant shall pay appropriately apportioned rent for such
     partial month and the first day of the month next following shall be the
     beginning day of the first lease year.

     In the event the Tenant remains in possession of the demised premises after
     the expiration of this lease and without the execution of a new lease, it
     shall be deemed lobe occupying said premises as a Tenant from month to
     month. If Tenant does so continue to remain in possession of the demised
     premises, the rental shall be at a rate of one and psre-Jsatf4-I.~5 times
     that which is specified in Section 4 of this lease; and such occupancy
     shall be subject to all of the other conditions, provisions, and
     obligations of this lease.

4.   RENT.

     Tenant shall and hereby agrees to pay to the Owner without demand,
     deduction, or setoff, at such place or places as the Owner may designate
     from time to time in writing, rent in advance for said premises as follows:

          First lease year:            $3,016.75 each month.
          Second lease year:           $3,016.75 each month.
          Third lease year:            $3,167.59 each month.
          Fourth lease year:           $3,167.59 each month.
          Fifth and subsequent lease
          years, if applicable:        Prior lease year's monthly rent
                                       increased by 2.5%.

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5.   USE.

     Tenant agrees that the demised premises shall be used and occupied only for

                                business offices

     and for no other purposes without the written consent of the Owner.

     Tenant agrees to conduct its business at all times in a responsible and
     reputable manner. The Tenant shall promptly comply with all laws affecting
     the premises hereby leased and the cleanliness, safety, occupation and use
     of same. Tenant shall not use the sidewalks or area adjacent to the demised
     premises for business purposes.

6.   MAINTENANCE AND CARE OF PREMISES.

     The Owner shall at its expense keep the foundation and the exterior of the
     load-bearing outer walls of the building in good repair except that the
     Owner shall not be called onto make any such repairs occasioned by any act
     or omission of the Tenant, its agent or employees or customers. Provided
     the Owner shall operate and maintain the building and common facilities of
     the development pursuant to Section S, the Owner shall not be called upon
     to make any other improvements, repairs or replacement of any kind upon
     said premises; and, at the sole cost and expense of the Tenant, said
     premises shall at all times be kept in good order, condition and repair by
     the Tenant, and shall also be kept in a clean, sanitary and safe condition
     and in accordance withal directions, rules and regulations of the health
     officer, fire marshal, building inspector or other proper officers of the
     governments agencies having jurisdiction. The Tenant shall at its own
     expense maintain, repair or replace any glass windows, show window and
     doors in or enclosing the demised premises. Tenant shall at its direct cost
     and expense, provide janitorial services, routine maintenance and repairs
     and replacements to keep and maintain the interior of the demised premises
     ins neat and clean condition and at expiration of this lease Tenant shall
     surrender the premises in good condition, reasonable wear and tear
     excepted. Tenant shall not repartition or otherwise remodel or make any
     structural changes in the demised premises without the written consent of
     the Owner.

7.   COVENANT TO HOLD HARMLESS.

     Tenant will indemnify Owner and save it harmless from and against any and
     all claims, actions, damages, liability and expense arising from or out of
     any occurrence in, about, in connection with, upon oral the demised
     premises, arising from or out of the occupancy or use by Tenant of the
     demised premises or any part thereof, or occasioned wholly or in part by
     any act or omission of Tenant, its agents, contractors, employees,
     servants or other representatives.

8.   OPERATION AND MAINTENANCE COSTS.

     Owner shall operate and maintain the building and the parking, landscape
     and other common facilities of the development provided Tenant shall pay
     to Owner monthly in advance as additional rents proportionate share as
     defined hereinafter of the costs of operating and maintaining the building
     and common facilities, excluding only costs attributable to those

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     items for which Owner is responsible pursuant to Section 6. Common
     facilities include without limitation all parking areas, access roads,
     sidewalks, restrooms, landscaped space and any other space used in common
     or available for use in common by the development tenants or customers,
     employees, agents, servants or other invitees of development tenants or the
     Owner. Operation and maintenance shall include, but not be limited to,
     costs of utilities (excluding those, if any, paid separately by development
     tenants) for the building and common facilities, taxes pursuant to Section
     IS, costs of defending and preserving common facilities, costs of insurance
     provided by Owner pursuant to Section 14, losses attributable to operation
     of common facilities, Owner's costs for maintenance, repairs and
     replacements of the plumbing, electrical, heating, cooling, and other
     non-structural systems of the building and common facilities including the
     cost of labor and personnel to implement such services, management fees
     relating to the development, and as an addition to the foregoing and as
     part of the costs to be paid by the Tenant for operation and maintenance of
     the building and common facilities, fifteen percent(l5%) added to the total
     to cover administration. Operation and maintenance costs to be apportioned
     hereunder shall not include capital improvements to the development,
     alterations made for specific tenants, depreciation of the development,
     interest or debt service on the development, leasing or brokerage
     commissions, the cost of structural repairs to the building, income taxes
     of the Owner, nor costs paid by tenants directly to third parties for
     janitorial, routine maintenance or repairs and replacements to tenant
     premises.

     Apportionment of the operation and maintenance costs shall be made on the
     basis of square feet of floor area herein demised to Tenant as related to
     the total of 12,000 square feet of floor area in the development. Operation
     and maintenance costs shall be determined on an annual basis for each
     calendar year and Tenant's pro rats share shall be prorated on a daily
     basis for any partial calendar year of thin lease term. Tenant shall pay
     FOUR HUNDRED SEVENTY-FIVE AND NO/100 Dollars ($475.00), per month, on the
     first of each month in advance with rent for Tenant's estimated pro rats
     share of operation and maintenance costs. Owner may, upon written notice
     to Tenant, change this amount as of January 1st of any calendar year to
     reflect Owner's estimate of operation and maintenance costs for the
     following year. At the end of each year. an analysis of the year's total
     operation and maintenance costs shall be presented to Tenant and Tenant
     shall pay the amount, if any, by which the Tenant's pro rats share of
     actual costs for the year exceeds the amount of the estimated costs paid by
     Tenant; such adjustment amount to be paid by Tenant within thirty (30) days
     after Tenant's receipt of the analysis. In the event this lease terminates
     at any time other than the last day of the calendar year, the adjustment to
     actual costs shall be determined as of the date of termination. If Tenant's
     payments of estimated costs exceed the amount due for actual costs for any
     calendar year, Owner shall, provided Tenant is not then in default under
     thin lease, apply the excess as a credit against Tenant's obligations next
     due under this lease or promptly refund such excess to Tenant if the term
     of this lease has already expired, in either case without interest to
     Tenant.

9.   UTILITIES.

     The Owner agrees to provide the existing mains and conduits to the demised
     premises in order that the existing utilities may be supplied. In addition
     to the rent, Tenant shall pay Owner monthly for all water, gas,
     electricity, sewer use fees or other utilities used or incurred at or
     prorated to tire premises provided if any of such utilities are separately
     metered or

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     measured to Tenant directly by the utility service provider, then Tenant
     shall pay such service provider directly, when due, for such utilities. The
     Owner shall not be liable in damages or otherwise for any failure or defect
     in the furnishing of any of the above utilities, the furnishing of heating
     or cooling, or for any interruption due to civil insurrection, war, fire,
     accident, strike, riot, act of God, tire making of necessary repairs or
     improvements, or any other causes beyond the control of the Owner.

10.  PARKING OF EMPLOYEES' CARS.

     The Tenant and its employees may at their own risk park their motor
     vehicles on the development parking areas. Owner shall have the right upon
     notice to Tenant to designate specific areas of parking for Tenant and its
     employees. Tenant further agrees to furnish to Owner upon request the
     license numbers assigned to its motor vehicles and the motor vehicles of
     its employees. Tenant agrees to pay to the Owner costs, if any, incurred in
     the enforcement of parking rules providing such violations and such costs
     are attributable to a violation by Tenant, `tenant's agents, or Tenant's
     employees.

11.  ASSIGNMENT.

     The Tenant agrees that it will not assign or in any manner transfer this
     lease or any part thereof or any interest or estate therein without the
     previous written consent of the Owner, nor shall the Tenant sublet the
     demised premises or any part thereof.

12.  ACCESS TO PREMISES.

     The Owner shall have the right to enter upon the demised premises at all
     reasonable hours for the purpose of inspecting the same or adding or
     rerouting pipes, sprinkler systems, smoke detection systems, heat or fire
     detection systems or equipment, conduits or drains to serve the demised
     premises or premises other than the demised premises or for making repairs,
     additions or alterations, providing such adding or rerouting shall be
     handled so as to interfere as little as possible with the Tenant's use of
     the premises and Owner shall repair any damage caused by such work. The
     exercise of said right by Owner shall not give rise to any claim by Tenant
     for damages, and Tenant expressly waives any such claim or claims. If the
     Owner deems any repairs required to be made by the Tenant necessary, it may
     demand that the Tenant make the same forthwith.

     For a period commencing one year prior to the termination of this lease,
     the Owner may have reasonable access to tire premises herein demised for
     the purpose of exhibiting the same to prospective tenants.

13.  NONLIABILITY OF OWNER.

     The Owner shall not be responsible or liable to the Tenant for any loss or
     damage that may be occasioned by or through the acts or omissions of
     persons occupying premises above, below, adjoining or in any other part of
     the building of which the demised premises are a part or for any loss or
     damage resulting to the Tenant or its property from bursting, stoppage or
     leaking water, gas, sewer or other pipes. Owner and Tenant each waive all
     right of recovery from the other of loss or damage to the extent the same
     is covered by insurance.

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14.  INSURANCE.

     Tenant at its expense at all times during the term of this lease shall
     provide end maintain with respect to the demised premises comprehensive
     general public liability insurance on an occurrence basis in form
     customarily written for protection of tenants and owners. Such
     comprehensive insurance shall protect and be written to show Tenant and
     Owner as the named insureds and shall provide coverage of at least One
     Million Dollars ($1,000,000), single limit, for injuries to any one person,
     for injuries to persons in any one occurrence and for damage to property.
     Such minimums of insurance coverage shall not limit Tenant's liability
     under Section 7 hereinabove. The Tenant shall provide Owner with current
     certificates or duplicate policies of all such insurance required of
     Tenant, which certificates or policies shall include provisions that the
     coverage cannot be amended or cancelled without the giving of ten (10)
     days' prior written notice to the Owner. All property kept, stored or
     maintained in the demised premises shall be so kept, stored or maintained
     at the rink of the Tenant only.

     Owner at all times during the term of this lease shall secure (a)
     comprehensive general public liability insurance with respect to the
     parking area and other common facilities of the development providing
     coverage of not less than One Million Dollars ($l,000,000), single limit,
     for injuries to any one person, for injuries to persons in any one
     occurrence and for damage to property, b) casualty insurance with respect
     to the demised premises providing coverage against fire, vandalism,
     malicious mischief and such other perils as are from time to time included
     in a standard extended coverage endorsement, or such broader form of
     coverage as Owner may select, insuring the insurable building improvements
     and including sprinkler leakage insurance, if applicable, and loss of rents
     insurance; and (c) such other insurance as Owner shall deem prudent with
     respect to the development. Owner shall not be liable for nor responsible
     to insure the fixtures, inventories, equipment or any other property of
     Tenant or any other occupant of the development.

     If the demised premises become untenantable because of fire or other
     casualty insurable under standard fire and extended coverage insurance
     required to be maintained by Owner or Tenant, the same shall be repaired as
     speedily as possible in accordance with the respective covenants to insure
     provided, however, if more than fifty percent (50%) of the floor area of
     the development becomes untenantable because of such fire or other casualty
     or if less than five (5) years of the original term of this lease remain
     from the date of such flee or other casualty, the Owner may, if it so
     elects, give notice to Tenant in writing terminating this lease. If the
     demised premises become untenantable because of any damage or destruction
     not insurable under standard fire and extended coverage insurance, the
     Owner may, if it so elects, give notice to Tenant in writing terminating
     this lease. Rent shall be abated during the period of any untenantability.

15.  TAXES.

     Tenant shalt be liable foe anti shall pay before delinquent alt taxes
     levied against or for any leasehold interest or on Tenant's right to occupy
     the demised premises or on personal property and trade fixtures of whatever
     kind and to whomever belonging situated or installed in or upon the demised
     premises. If any suds taxes are levied against Owner or Owner's property or
     if the assessed value of Owner's property is increased by inclusion of
     personal

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     property and trade fixtures in the demised premises and Owner elects to pay
     the taxes based on such increase, Tenant shall pay Owner upon demand that
     part of such taxes for which Tenant is primarily liable hereunder.

     Subject to the preceding paragraph and Tenant' a pro rats participation,
     pursuant to Section 8, in the cost thereof, the Owner shall pay, when due,
     all taxes on or applicable to the development. For the purposes hereof, the
     Semi "taxes' shall include all real estate taxes, assessments, and other
     governmental impositions and charges of every kind and nature whatsoever,
     extraordinary as well as ordinary, foreseen and unforeseen, and each and
     every installment thereof, which shall or may during the term of this lease
     be levied, assessed, imposed, become due and payable, become liens upon,
     arise in connection with the use, occupancy or possession of, or grow due
     or payable out of, or foe, the development or any part thereof, or any
     land, buildings or other improvements therein. Tenant shall not institute
     any proceedings with respect to the assessed valuation of the development
     or any part thereof for the purpose of securing a tax reduction. Owner, at
     Owner's sole discretion, may apply for a reduction or correction of any
     assessment and may appeal or contest any assessment provided all costs and
     expenses (including attorneys' and appraisers' fees) of such application,
     appeal or contest shall be, and are hereby specifically agreed to be,
     included in the definition of "taxes" under this section.

     Nothing herein contained shall be construed to include as "taxes" any
     inheritance, estate, succession, transfer, gift, franchise, corporation,
     income or profit tax or capital levy that is or may be imposed upon Owner;
     provided, however, that if at any time the methods of taxation prevailing
     at the commencement of the term of this lease shall be altered so that in
     lieu of or as a supplemental, additional or alternative tax for the whole
     or any part of the taxes now levied, assessed or imposed on real estate an
     such there shall be levied, assessed or imposed any substitute,
     supplemental, additional or alternative tax or license fee imposed upon
     Owner which is otherwise measured by or based in whole or in part upon tire
     development or any portion thereof, then the same shall be included in the
     computation of taxes hereunder.

16.  TENANT'S DEFAULT IN PAYMENTS.

     If any rent or other sums due and payable under this lease are not paid by
     the Tenant within ten (10) days after same are due and payable, a late fee
     of $200.00 may be added to the amount otherwise due and shall in addition
     to such increased rent bear interest at the maximum rate allowed by law
     from ten (10) days after same are due and payable until paid.

     If any rent or any other sums payable by Tenant hereunder shall remain
     unpaid twenty (20) days after same are due and payable, or if Tenant shall
     default or violate any lease provision involving conditions other than
     payment of remit or charges and such default or violation continues twenty
     (20) days after written notice thereof from Owner to Tenant, then it shall
     be optional for the Owner to re-enter the demised premises, with or without
     process of law, declare this lease forfeited and said term ended.
     Thereupon, Tenant shall, within ten (10) days, vacate the premises at
     Tenant's sole expense. But not withstanding such re-entry by the Owner, the
     liability of the Tenant for all amounts due under this lease and all other
     covenants for the balance of the lease term shall not be relinquished or
     extinguished.

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17.  SUCCESSORS.

     All rights and liabilities herein given to or imposed upon the respective
     parties hereto shall extend to and bind the respective heirs, executors,
     administrators, legal representatives, successors, and assigns of said
     parties. No rights, however, shall inure to the benefit of any assignee of
     the Tenant unless the assignment to such assignee has been approved by
     Owner in writing as required in Section II. Owner may assign its rights
     under this lease as security to the holder of any mortgage, trust deed, or
     other encumbrance now or hereafter in force against all or any part of the
     development and upon request of Owner, Tenant will subordinate and attorn
     its rights hereunder to the holder of any such mortgage, trust deed, or
     other encumbrance.

18.  NOTICES.

     Whenever under this lease a provision is made for notice of any kind, it
     shall be deemed sufficient notice and service thereof if such notice to the
     Tenant is in writing addressed to the Tenant at

                               the leased premises

     or at the last office address of Tenant and sent by certified mail with
     postage prepaid, and if such notice to the Owner is in writing, addressed
     to the Owner at Suite 550-The Center, 1941 South 42nd Street, Omaha,
     Nebraska 68105-2982, and sent by certified mail with postage prepaid.
     Notice served by Certified mail shall be deemed received five (5) days
     after mailing.

19.  SIGNATURES OF BOTH PARTIES.

     This lease shall not be in effect or binding upon either party until it is
     signed by both parties.

20.  OTHER AGREEMENTS.

     The Tenant and the Owner hereby agree that this lease as written represents
     the entire agreement between the parties and there are no other agreements,
     written or verbal, between the parties hereto, except for the attached
     ADDENDUM TO LEASE.

21.  CONSTRUCTION OF PREMISES.

     Owner has completed the construction of the building containing the demised
     premises and has completed construction of all parking and common
     facilities for the development. Owner' s responsibility for construction of
     additional interior improvements within the Tenant Area shall consist of
     the following:

           A.  Interior  partitions  with doors and  doorways  as shown on
               EXHIBIT A. All walls shall be taped and sanded drywall painted
               two coats in colors selected by Tenant.

           B.  Formica-countertops  with a wet sink shall be  installed at the
               East end of the premises as shown on EXHIBIT A.

           C.  Ceiling shall be 2' X 4' suspended grid wills lay-in acoustical
               panels.

           D.  General illumination lighting shall be 2' X 4' fluorescent lay-in
               fixtures.

           E.  Rooftop heating and cooling units shall be complete with controls
               and distribution

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               system. Electricity arid gas shall be separately metered and paid
               for directly by Tenant.

           F.  All areas shall be carpeted, based upon a carpet allowance of
               $12.00 per square yard installed.

     All other improvement work not specified above shall be the responsibility
of Tenant.

    IN WITNESS WHEREOF, the Owner and the Tenant have executed this lease on the
day and year first above written.

                               EMPIRE GROUP, L.L.C,
                               By its Manager,
                               First Management, Inc.

                               ____________________________________________
                               President

                                                                   OWNER

Attest:

_______________________________
Asst. Secretary

                               iSECURETRAC, CORP.

                               ____________________________________________
                                                                TENANT

Attest:

_______________________________
Secretary

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STATE OF NEBRASKA     )

COUNTY OF DOUGLAS     )

     On this 16th day of July, 2001, before me, a notary public in and for said
county and state, personally appeared RANDALL WIESELER and RIKKI FLOTT, to me
personally known, who being by me duly sworn did say that they are respectively
the PRESIDENT and SECRETARY of said FIRST MANAGEMENT, INC. and that the seal, if
affixed to said instrument, is the seal of said corporation and that said
instrument was executed in behalf of said corporation by authority of its Board
of Directors; and said RANDALL WIESELER and RIKKI FLOTT acknowledged the
execution of said instrument to be the voluntary act and deed of said
corporation.

     Witness my hand and notarial seal the day and year last above written.

                               ____________________________________________
                               Notary Public

STATE OF NEBRASKA     )

COUNTY OF DOUGLAS     )

     On this 10th day of July 2001, before me, a notary public iii and for said
county and state, personally appeared JAMES E. STARK to me personally known, who
being by me duly sworn did say that they are the VICE PRESIDENT and SECRETARY of
said ISECURETRAC, CORP., and that the seal, if affixed to said instrument, is
the seal of said corporation and that said instrument was executed in behalf of
said corporation by authority of its Board of Directors; and said JAMES E. STARK
acknowledged the execution of said instrument to be the voluntary act and deed
of said corporation.

     Witness my hand and notarial seal the day and year last above written.

                               ____________________________________________
                               Notary Public

<Page>

                                ADDENDUM TO LEASE

     Empire Group, L.L.C. ("Owner") and iSecureTrac Corp. ("Tenant"), the
undersigned hereto, being parties to that certain Lease, made and entered into
as of June 26, 2001 (the "Lease"), desire to amend and modify the Lease,
effective as of the date of execution of the Lease, as described below.

     Therefore, notwithstanding any terms to the contrary contained in the
Lease, Owner and Tenant agree as follows:

1. Certain interlinear changes to the Lease have been on all signed copies of
the Lease prior to execution and have been initialed by the parties. The parties
agree that any such interlinear changes shall be deemed valid and enforceable as
though originally written in the Lease.

2. Owner will indemnify Tenant and save it harmless from and against any and all
claims, actions, damages, liability and expense arising from or out of any
negligent act or omission of Owner, its agents, contractors, employees, servants
or other representatives.

3. Provided Tenant is not in default under the terms of the Lease, Tenant's
right of quiet enjoyment of the demised premises to conduct its business affairs
without undue interference from Owner, its agents, contractors, employees,
servants, other representatives and Owner's other tenants shall not be abridged
by Owner, and Owner shall use all reasonable means to estop other tenants
occupying adjoining space from unduly interfering with Tenant's rights
hereunder.

4. Tenant shall not be required to pay an actual operating and maintenance cost
adjustment amount at the end of each year (Tenant Costs), as described in
Section 8 of the Lease, that exceeds the estimated monthly Tenant Costs paid by
Tenant during such year by more than twenty percent (20%).

5. Tenant Costs shall not be increased by more than twenty percent (20%) per
year.

6. Owner shall use its best efforts to give Tenant reasonable notice prior to
entering demised premises at any time.

7. In the event that Tenant shall lose the use of all or any part of the demised
premises due to fire, casualty, condemnation, or similar cause beyond the
control of and through no fault of Tenant, its agents, employees,
representatives, vendors, contractors or customers, the pro rata rent for such
part of the demised premises as are no longer tenable and for as long as such
part is no longer tenable shall be abated.

<Page>

     IN WITNESS WHEREOF, the parties have caused this Addendum to the Lease to
be executed in their respective corporate names and by their respective
authorized officers duly empowered to sign and bind their corporation.

    OWNER:                               TENANT:

    Empire Group, L.L.C.                 iSecureTrac Corp.
    By its Manager
    First Management, Inc.

    By:                                  By:
       -----------------------------         ----------------------------------

    Name:                                Name:
          --------------------------          ---------------------------------

    Title:    President                  Title:   Vice President & CFO
             -----------------------              -----------------------------

<Page>

                            FIRST AMENDMENT TO LEASE

     THIS AMENDMENT TO LEASE is made and entered into on this 19th day of
November, 2001, by and between EMPIRE GROUP, L.L.C., a Nebraska Limited
Liability Company, by its Manager First Management, Inc., with offices at 1941
South 42nd Street, Suite 550, Omaha, Nebraska 68105-2982, hereinafter called
`Owner", and ISECURETRAC CORP., a Delaware Corporation with offices at 5022
South 114th Street, Suite 113, Omaha, Nebraska 68137, hereinafter called
"Tenant";

     WHEREAS, Owner and Tenant entered into a lease dated June 26, 2001,
demising 3,291 square feet of area in the lower level of that two-level EMPIRE
II building located at 5022 South 114th Street in Omaha, Douglas County,
Nebraska; and

     WHEREAS, Owner and Tenant now desire to amend said lease to expand the
premises demised thereunder.

     NOW THEREFORE, Owner and Tenant agree that as of December 1, 2001 said
lease is amended as follows:

     ONE     On page 1, delete the typed premises description in Section 1 and
             substitute therefore the following:

             "The lower level of that two level Empire Park II office building
             located at 5022 South 114th Street, in Omaha, Nebraska. Said
             premises contain 6,000 gross square feet of area as shown on
             EXHIBIT A-I attached hereto and by this reference made a part
             hereof. The previously demised 3,291 square feet of the demised
             premises are hereby leased as now constructed. The 2,709 square
             feet of expanded area now added to the demised premises shall be
             further improved by Owner in accordance with Lease Section 21 as
             amended herein"

     TWO     On page 1, add to the provisions of Section 2 the following:

             "As consideration for the preparation of this Amendment, the Tenant
             shall deliver to the Owner the sum of $32,000.00 upon execution of
             this Amendment, and

<Page>

             $22,000.00 of said sum shall be applied to the first and subsequent
             rental due hereunder after this Amendment is executed by both
             parties."

     THREE   On page 2, delete the typed rent provisions in Section 4, and
             substitute therefore the following:

             "First three months of first lease year:      $3,016.75 each month.
             Last nine months of first lease year:         $5,500.00 each month.
             Second lease year:                            $5,500.00 each month.
             Third lease year:                             $5,775.00 each month.
             Fourth lease year:                            $5,775.00 each month.
             Fifth and subsequent lease years,
             if applicable:                                Prior lease year's
                                                           monthly rent
                                                           increased by 2.5%."

     FOUR    On page 3, delete the amount of "Four Hundred Seventy-Five and
             no/l00 Dollars ($475.00)" and substitute therefore the amount of
             "Eight Hundred Sixty-Five and no/100 Dollars ($865.00)".

     FIVE    On page 5, delete the typed construction provisions in Section 21,
             and substitute therefore the following:

             "Owner has completed the construction of the building containing
             the demised premises, the construction of all parking and common
             facilities for the development and the construction of the interior
             improvements within the previously demised 3,291 square feet of the
             demised premises. Owner's responsibility for construction of
             additional interior improvements within the 2,709 square feet of
             expanded Tenant Area now added to the demised premises shall
             consist of the following:

A. Interior partitions with doors and doorways as shown oil Exhibit A-I. All
walls shall be taped and sanded drywall painted two coats in colors selected by
Tenant.

             B. Ceiling shall be 2'X 4' suspended grid with lay-in acoustical
                panels.

             C. General illumination lighting shall be 2' X 4' fluorescent
                lay-in fixtures.

             D. Rooftop heating. and cooling units shall he complete with
                controls and distribution system. Electricity and gas shall be
                separately metered and paid for directly by Tenant.

             E. All areas shall be carpeted, based upon a carpet allowance of
                $12.00 per square yard installed."

    Except as herein amended, said lease is in all respects hereby ratified and
confirmed.

<Page>

                               EMPIRE GROUP, L.L.C,
                               By its Manager,
                               First Management, Inc.

                               ____________________________________________
                               President

                                                                   OWNER

Attest:

_______________________________
Secretary

                               iSECURETRAC, CORP.

                               ____________________________________________
                                                                TENANT

Attest:

_______________________________
Secretary

<Page>

STATE OF NEBRASKA     )
                      )
COUNTY OF DOUGLAS     )

     On this 29th day of March, 2001, before me, a notary public in and for said
county and state, personally appeared RANDALL WIESELER and TERRI L. TEFFT, to me
personally known, who being by me duly sworn did say that they are respectively
the PRESIDENT and SECRETARY of said FIRST MANAGEMENT, INC. and that the seal, if
affixed to said instrument, is the seal of said corporation and that said
instrument was executed in behalf of said corporation by authority of its Board
of Directors; and said RANDALL WIESELER and TERRI L. TEFFT acknowledged the
execution of said instrument to be the voluntary act and deed of said
corporation.

     Witness my hand and notarial seal the day and year last above written.

                               ____________________________________________
                               Notary Public

STATE OF NEBRASKA     )
                      )
COUNTY OF             )

     On this 19th day of November, 2001, before me, a notary public in and for
said county and state, personally appeared JIM STARK and JOHN HEIDA to me
personally known, who being by me duly sworn did say that they are the President
and Secretary of said ISECURETRAC CORP. and that the seal, if affixed to said
instrument, is the seal of said corporation and that said instrument was
executed in behalf of said corporation by authority of its Board of Directors;
and said JIM STARK and JOHN HEIDA., acknowledged the execution of said
instrument to be the voluntary act and deed of said corporation.

     Witness my hand and notarial seal the day and year last above written.

                               ____________________________________________
                               Notary Public

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