THE WATERS
                                 LEASE OF SPACE
     THIS LEASE, made as of the 24th day of October   , 1997, by and between 
▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇  ("Landlord"), and HYPERTENSION DIAGNOSTICS, INC., (A 
MINNESOTA CORPORATION)  ("Tenant").
1.        GENERAL
          1.1       CONSIDERATION.  Landlord enters into this Lease in
consideration of the payment by Tenant of the rents herein reserved and the
keeping, observance and performance by Tenant of the covenants and agreements of
Tenant herein contained.
          1.2       EXHIBITS AND ADDENDA TO LEASE.  The Exhibits and Rider to
Lease listed below shall be attached to this Lease and be deemed incorporated in
this Lease by this reference.  In the event of any inconsistency between such
Exhibits and Rider to Lease and the terms and provisions of this Lease, the
terms and provisions of the Exhibits and Rider to Lease shall control.  The
Exhibits and Rider to Lease to this Lease are:
     Rider to Lease Additional Lease Terms
     Exhibit "A"         Basic Lease Information
     Exhibit "B"         Site Plan of Property
     Exhibit "C"         Site Plan of Park
     Exhibit "D"         Environmental Rider
     
     
2.        DEMISE OF PREMISES
          2.1       DEMISE.  Subject to the provisions, covenants and agreements
herein contained, Landlord hereby leases and demises to Tenant, and Tenant
hereby leases from Landlord, the Demised Premises as hereinafter defined,
together with a nonexclusive right to use the Parking Area and the Common
Facilities, as hereinafter defined, for the Lease Term as hereinafter defined,
subject to existing covenants, conditions, restrictions, easements and
encumbrances and rules and regulations, if any, affecting the same.
          2.2       DEMISED PREMISES.  The "Demised Premises" shall mean the
space to be occupied by Tenant as indicated by cross-hatching on the Site Plan
attached as Exhibit "B" hereto.  The Demised Premises are within the Building(s)
located on the Land, as the terms "Building(s)" and "Land" are hereinafter
defined.
          2.3       SQUARE FOOTAGE AND ADDRESS.  The Demised Premises contain
approximately the number of square feet set forth in Exhibit "A" attached
hereto.  The address of the Demised Premises is, or is expected to be, the
address set forth in Exhibit "A".
          2.4       LAND.  "Land" shall mean the parcel of real property more
particularly described in Exhibit "A" attached hereto.
          2.5       BUILDING(S).  "Building(s)" shall mean all buildings
constricted or to be constructed on the Land.
          2.6       IMPROVEMENTS.  "Improvements" shall mean the Building(s),
constructed on the Land, the Parking Area as hereinafter defined, and all other
fixtures and improvements on the land, including landscaping thereon.
          2.7       PROPERTY.  "Property" shall mean the Land, the Buildings(s)
and other Improvements and any fixtures and personal property used in operation
and maintenance of the Land, Building(s) and other Improvements other than
fixtures and personal property of Tenant and other tenants of space in the
Building(s).
          2.8       COMMON FACILITIES.  "Common Facilities" shall mean all of
the Property except the Demised Premises and other premises in the Property
leased or held for lease to tenants.  Common Facilities shall include the
Parking Area and any walks, driveways, lobby areas, halls, stairs and rest rooms
designed for nonexclusive use of Tenant and other tenants of space in the
Buildings(s) and their employees, agents and invitees, and Landlord.
          2.9       PARKING AREA.  "Parking Area" shall mean the portion of the
Land which is or is to be paved and otherwise improved for the parking of motor
vehicles.  The Parking Area is intended to be shared Tenant and other tenants of
space in the Buildings(s).
          2.10      PARK.  The Property is located in and is part of Landlord's
development commonly known as The Waters (the "Park").  A site plan of the Park
is attached hereto as Exhibit "C".
          2.11      USE OF COMMON FACILITIES.  Tenant is hereby granted the
nonexclusive right to use, in common with other tenants of space in the
Building(s), their employees, agents and invitees, so much of the Common
Facilities as may be necessary for the convenient use and enjoyment of the
Demised Premises.
          2.12      COVENANT AND QUIET ENJOYMENT.  Landlord covenants and agrees
that, provided Tenant is not in default and keeps, observes and performs the
covenants and agreements of Tenant contained in this Lease, Landlord shall take
no action to disturb Tenant's quiet and peaceable possession of the Demised
Premises during the term hereof.
          2.13      CONDITION OF DEMISED PREMISES.  Tenant covenants and agrees
that, upon taking possession of the Demised Premises, Tenant shall be deemed to
have accepted the Demised Premises "as is" and Tenant shall be deemed to have
waived any warranty of condition or habitability, suitability for occupancy, use
or habitation, fitness for a particular purpose or merchantability, express or
implied, relating to the Demised Premises.  Tenant acknowledges, represents and
agrees that Tenant has made its 
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own inspection and investigation of the Demised Premises, the Building(s) and 
the Property, the suitability of the Demised Premises for Tenant's intended 
use thereof and all zoning and regulatory matters pertinent thereto.
3.        TERM OF LEASE
          3.1       LEASE TERM.  "Lease Term" shall mean the period commencing
on the commencement date specified in Exhibit "A" attached hereto ("Commencement
Date") and expiring on the Expiration Date specified in Exhibit "A" attached
hereto provided, however, that if construction of the Demised Premises has not
been substantially completed as of the date hereof, the provisions of any
Addendum hereto with respect to contraction and completion of the Demised
Premises shall govern with respect to commencement and expiration of the Lease
Term.
4.        RENT AND OTHER AMOUNTS PAYABLE
          4.1       BASE RENT.  Tenant covenants and agrees to pay to Landlord,
when due, without offset, deduction or abatement and without prior notice or
demand, base rent for the full Lease Term in the amount specified as base rent
in Exhibit "A" attached hereto ("Base Rent").
          4.2       MONTHLY RENT.  Base Rent shall be payable monthly in
advance, without notice, in equal installments in the Monthly Rent Amount of
Base Rent specified in Exhibit "A" ("Monthly Rent") on the first (1st) day of
each calendar month through the Lease Term beginning with the Commencement Date.
If the Commencement Date is other than the 1st (1st) day of a calendar month,
the Monthly Rent for such fractional month shall be a pro rata amount (based
upon a 30-day month) of the full Monthly Rent and shall be paid on the
Commencement Date.  Concurrently with the execution of this Lease, Tenant shall
pay to Landlord the Monthly Rent for the first fall month of the Lease Term.
          4.3       PLACE AND MANNER OF PAYMENTS.  Base Rent and all other sums
payable by Tenant to Landlord under this Lease shall be paid to Landlord at the
place for payments specified in Exhibit "A", or such other place as Landlord
may, from time to time, designate in writing.  Payment shall be made in lawful
money of the United States of America.
          4.4       LEASE A NET LEASE AND RENT ABSOLUTE.  It is the intent of
the parties that the Base Rent provided in this Lease shall be a net payment to
Landlord; that the Lease shall continue, and rents shall be due and payable for
the full Lease Term, notwithstanding any occurrence preventing or restricting
use and occupancy of the Demised Premises, including any damage or destruction
affecting the Demised Premises, and any action by any governmental authority
relating to or affecting the Demised Premises, except as otherwise specifically
provided in this Lease; that the Base Rent shall be absolutely payable without
offset, reduction or abatement for any cause except as may be otherwise
specifically provided in this Lease; that Landlord shall not bear any costs or
expenses relating to the demised Premises or provide any services or do any act
in connection with the Demised Premises except as otherwise specifically
provided in this Lease; and that Tenant shall pay, in addition to Base Rent,
Additional Rent as provided in this Lease.
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          4.5       ADDITIONAL RENT.  Tenant covenants and agrees to pay, as
Additional Rent, all costs and expenses relating to the Demised Premises, to pay
Tenant's Pro Rata Share of all costs and expenses relating to the Common
Facilities to pay Tenant's Pro Rata Share of certain costs and expenses relating
to the Property and the Park, all as hereinafter provided, and to pay all other
amounts payable by Tenant under the terms of this Lease ("Additional Rent"). 
Costs and expenses payable by Tenant as Additional Rent shall include (a) taxes
and assessments; (b) insurance costs; (c) utility charges; (d) operating
expenses; (e) maintenance and repair expenses; and (f) other costs and expenses
relating to the Demised Premises, the Common Facilities, the Property and the
Park during or attributable to the Lease Term, all as hereinafter provided in
this Lease.
          4.6       TENANT'S PRO RATA SHARE.  "Tenant's Pro Rata Share" shall
mean the percentage derived by dividing the approximate square footage of the
Demised Premises, as set forth in Exhibit "A", by the approximate square footage
within the Building(s).  Tenant's Pro Rata share on the date this Lease is
executed is set forth in Exhibit "A".  Such percentage shall be appropriately
adjusted in the event of construction of additional Building(s) on the Land.
          4.7       MONTHLY DEPOSITS.  Tenant covenants and agrees to pay to
Landlord, monthly in advance, without notice, on each day that payment of
Monthly Rental is due, amounts ("Monthly Deposits"), as hereinafter specified,
for payment of Taxes and Assessments, as hereinafter defined, insurance
premiums, operating expenses, maintenance and repair expenses and other costs
and expenses relating to the Property and the Park payable by Tenant pursuant to
the terms of this Lease; and, if the Monthly Deposits are insufficient to pay
Tenant's Pro Rata Share of the actual Taxes and Assessments, insurance premiums,
operating expenses, maintenance and repair expenses and other costs and expenses
relating to the property and the Park, to pay to Landlord, within ten (10) days
after demand by Landlord, such amounts as are necessary to provide Landlord with
sufficient funds to pay Tenant's Pro Rata Share of the same.  The Monthly
Deposits shall each be equal to Tenant's Pro Rata Share of 1/12 of the amounts,
as reasonably estimated by Landlord, of the annual Taxes and Assessments,
insurance premiums, operating expenses, maintenance and repair expenses and
other costs and expenses payable with respect to the Property and the Park.  To
the extent the Monthly Deposits exceed Tenant's Pro Rata Share of the Actual
Taxes and Assessments, insurance premiums, operating expenses, maintenance and
repair expenses and other costs and expenses relating to the Property and the
Park, the excess amount shall, at Landlord's option, except AS MAY BE OTHERWISE
PROVIDED BY LAW, EITHER BE PAID TO TENANT OR CREDITED AGAINST THE NEXT
SUCCEEDING AMOUNTS PAYABLE BY TENANT UNDER THIS LEASE FOR MONTHLY DEPOSITS, BASE
RENT, ADDITIONAL RENT OR OTHER AMOUNTS.  The amounts of Taxes and Assessments,
insurance premiums, operating expenses, maintenance and repair expenses and
other costs and expenses relating to the Property and the Park payable by Tenant
for the years in which the Lease Term commences and expires shall be subject to
the provisions hereinafter contained in this Lease for proration of such amounts
in such years.  Prior to the dates on which payment is due for Taxes and
Assessments and insurance premiums, Landlord shall make payment of such Taxes
and Assessments and insurance premiums to the extent of funds from Monthly
Deposits available therefor and, upon request by Tenant', shall finish Tenant
with a copy of any receipt for such payments.  Except for Landlord's obligation
to make payments out of funds available from Monthly Deposits, the making of
Monthly Deposits by Tenant shall not limit or alter Tenant's obligation to pay
Taxes and Assessments, to maintain insurance, to pay operating 
                                       4
expenses and other costs and expenses relating to the Property and the Park 
and to maintain and repair the Demised Premises as elsewhere provided in this 
Lease.
          4.8       INTENTIONALLY DELETED.
          4.9       SECURITY DEPOSIT.  At or prior to the Commencement Date,
Tenant shall deposit with Landlord the amount specified as a security deposit in
Exhibit "A" attached hereto ("Security Deposit").  The Security deposit shall be
retained by Landlord and may be applied by Landlord, to the extent necessary, to
pay and cover payment of rent or any other sum in default, any loss, cost,
damage or expense, including attorney's fees, sustained by Landlord by reason of
the failure of Tenant to comply with any provision, covenant, or agreement of
Tenant contained in this Lease.  To the extent not necessary to cover such
delinquent payment, loss, cost, damage or expense, the Security Deposit shall be
returned to Tenant within sixty (60) days after expiration of the Lease Term or
as may be otherwise provided by law.  The Security Deposit shall not be
considered as an advance payment of rent or as a measure of the loss, cost,
damage or expense which is or may be sustained by Landlord.  In the event all or
any portion of the Security Deposit is applied by Landlord to pay any such
delinquent payment, loss, cost, damage or expense, Tenant shall, from time to
time, within five (5) days following demand, deposit with Landlord such amounts
as may be necessary to replenish the Security Deposit to its original amount. 
Landlord's rights with respect to the Security Deposit shall be in addition to
and shall not preclude concurrent, alternative or successive exercise of any
other rights or remedies available to Landlord.
          4.10      GENERAL PROVISIONS AS TO MONTHLY DEPOSITS AND SECURITY
DEPOSIT.  Landlord shall be free to commingle the Monthly deposits and Security
Deposit with Landlord's own funds and Landlord shall not be obligated to pay
interest to Tenant on account of the Monthly Deposits or Security Deposit.  In
the event of a transfer by Tenant of Tenant's interest in the Demised Premises,
Landlord shall be entitled to return the Monthly Deposits and Security Deposit
to Tenant's successor in interest, and Landlord shall thereupon be discharged
from any further liability with respect to the Monthly Deposits and Security
Deposit.
5.        TAXES AND ASSESSMENTS
          5.1       COVENANT TO PAY TAXES AND ASSESSMENTS.  Tenant covenants and
agrees to pay, as Additional Rent, Tenant's Pro Rata Share of Taxes and
Assessments which are billed during any calendar year falling partly or wholly
within the Lease Term.  "Taxes and Assessments" shall mean all taxes (other than
Landlord's income taxes), assessments and other impositions, general or special,
ordinary or extraordinary, of every kind or nature, which may be levied,
assessed or imposed upon or with respect to the Property or any part thereof, or
upon any building, improvements or personal property at any time situated
thereon.
          5.2       PRORATION AT COMMENCEMENT AND EXPIRATION OF TERM.  Taxes and
Assessments shall be prorated between Landlord and Tenant for the year in which
the Lease Term commences and for the year in which the Lease Term expires as of,
respectively, the Commencement Date and the date of expiration of the Lease
Term, except as hereinafter provided.  Tenant shall be liable without proration
for the full 
                                       5
amount of Taxes and Assessments relating to improvements, fixtures, equipment 
or personal property installed by or on behalf of Tenant which are levied, 
assessed, or attributable to the Lease Term.  Proration of Taxes and 
Assessments shall be made on the basis of actual Taxes and Assessments billed 
during the calendar years of the Lease Term.  Tenant's Pro Rata Share of 
Taxes and Assessments for the years in which the Lease Term commences and 
expires shall be paid and deposited with the Landlord through monthly 
Deposits as hereinafter provided, but, in the event actual Taxes and 
Assessments for either year are greater or less than as estimated for 
purposes of Monthly Deposits, appropriate adjustment and payment shall be 
made between the parties at the time the actual Taxes and assessments are 
known, as may be necessary to accomplish proration, as herein provided.
          5.3       SPECIAL ASSESSMENTS.  In the event any Taxes or Assessments
are payable in installments over a period of years, Tenant shall be responsible
only for installments billed during the calendar years within the Lease Tenn
with proration, as above provided, of any installment payable prior to or after
expiration of the Lease Term.
          5.4       ADDITIONAL TAXES.  Tenant's obligation to pay Tenant's Pro
Rata Share of Taxes and Assessments shall include any Taxes and Assessments
presently in effect and any which may hereafter be levied, assessed or imposed
by any governmental authority upon Landlord or upon the Property if such Taxes
or Assessments shall be based upon or arise out of the ownership, use or
operation of, or the rents received from, the Property, other than income taxes
of Landlord.
          5.5       LANDLORD'S SOLE RIGHT TO CONTEST TAXES.  Landlord shall have
the sole right to contest any Taxes or Assessments.  Tenant shall pay Tenant's
Pro Rata Share of all costs and expenses incurred by Landlord, including
attorneys' fees, in connection with any such contest, but Landlord shall pay to
or credit Tenant with Tenant's Pro Rata Share of any net abatement, reduction or
recovery of any Taxes and Assessments attributable to the Lease Term.
6.        INSURANCE
          6.1       CASUALTY INSURANCE.  Landlord covenants and agrees to obtain
and keep in full force and effect during the Lease Term Casualty Insurance as
hereinafter defined.  "Casualty Insurance" shall mean fire and extended coverage
insurance with respect to the Property, in an amount equal to the full
replacement cost of all Improvements, with coinsurance clauses of no less than
80%, and with coverage, at Landlord's option, by endorsement or otherwise, for
all risks, vandalism and malicious mischief, sprinkler leakage, boilers, and
rental loss, and with a deductible in an amount for each occurrence as Landlord,
in its sole discretion, may determine from time to time.  Casualty Insurance
obtained by Landlord need not name Tenant as an insured party and may, at
Landlord's option, name any mortgagee or holder of a deed of trust as an insured
party as its interest may appear.  Tenant covenants and agrees to pay its Pro
Rata Share of the cost of Casualty Insurance obtained by Landlord as Additional
Rent, payable pursuant to the provisions hereinabove for Monthly Deposits. 
TENANT SHALL BE RESPONSIBLE FOR OBTAINING, AT TENANT'S OPTION, COST AND EXPENSE,
INSURANCE COVERAGE FOR THE PROPERTY OF TENANT LOCATED WITHIN THE DEMISED
PREMISES AND FOR BUSINESS INTERRUPTION OF TENANT.  LANDLORD AND TENANT HEREBY
GRANT TO EACH OTHER ON THEIR OWN BEHALF AND ON BEHALF OF ANY INSURER PROVIDING
FIRE 
                                       6
AND EXTENDED COVERAGE TO EITHER OF THEM COVERING THE IMPROVEMENTS, THE 
DEMISED PREMISES, OR CONTENTS THEREOF, A WAIVER OF ANY CLAIM OF EITHER 
AGAINST THE OTHER AND A WAIVER OF ANY RIGHT OF SUBROGATION WHICH ANY SUCH 
INSURER OF ONE PARTY MAY ACQUIRE AGAINST THE OTHER BY VIRTUE OF A CASUALTY 
COVERED BY SUCH INSURANCE OR BY VIRTUE OF PAYMENT OF LOSS UNDER ANY SUCH 
INSURANCE.  NEITHER PARTY, NOR ANYONE CLAIMING UNDER THEM BY WAY OF 
SUBROGATION OR OTHERWISE, SHALL HAVE ANY INTEREST IN THE PROCEEDS OF 
INSURANCE RECEIVED BY THE OTHER PARTY.
          6.2       LIABILITY INSURANCE.  Tenant covenants and agrees to obtain
and keep in full force and effect during the Lease Term, and to pay the premiums
and costs of, Liability Insurance as hereinafter defined.  "Liability Insurance"
shall mean comprehensive general liability insurance covering public liability
with respect to the ownership, use and operation of the Demised Premises, with
limits of not less than $1,000,000 combined single limit of liability, which
coverage shall be primary with respect to Landlord, and with endorsements for
assumed contractual liability with respect to the liabilities assumed by Tenant
under Section 8.24 of this Lease, and with no deductible, retention or self-
insurance provision contained therein, unless otherwise approved in writing by
Landlord.  Landlord covenants and agrees to obtain and keep in full force and
effect during the Lease Term liability insurance covering public liability with
respect to the ownership, use and operation of the Property including common
Facilities but excluding the Demised Premises and other premises leased to other
tenants, with limits of not less than $1,000,000 single limit of liability. 
Tenant also covenants and agrees to pay Tenant's Pro Rata Share of the premiums
and costs of such liability insurance as Additional Rent, payable pursuant to
the provisions hereinabove for Monthly Deposits.  Any comprehensive general
liability insurance carried by Landlord shall apply in excess of the primary
coverage required herein to be carried by Tenant.
          6.3       GENERAL PROVISIONS RESPECTING INSURANCE.  Except as
otherwise approved in writing by Landlord, all insurance obtained by Tenant
shall be on forms and with insurers licensed in the State of Minnesota and
selected or approved by Landlord, which approval shall not be unreasonably
withheld; shall name Landlord and the holder of any mortgage or deed or trust
encumbering the Property as insured parties, as their interests may appear;  and
shall provide, by certificate of insurance or otherwise, that the insurance
coverage shall not be canceled or altered except upon 30 days prior written
notice to Landlord and the holder of any such mortgage or deed of trust. 
Certificates of insurance obtained by Tenant shall be delivered to Landlord
prior to the commencement Date, and Landlord may deposit the same with the
holder of any such mortgage or deed of trust.
          6.4       COOPERATION IN THE EVENT OF LOSS.  Landlord and Tenant shall
cooperate with each other in the collection of any insurance proceeds which may
be payable in the event of any loss, including the execution and delivery of any
proof of loss or other actions required to effect recovery.
7.        UTILITY, OPERATING, MAINTENANCE AND REPAIR SERVICE
          7.1       UTILITY CHARGES.  Tenant covenants and agrees to pay prior
to any delinquency all charges for water, sewage disposal, gas, electricity,
light, heat, power, telephone and other utility services used, rendered or
supplied to or for the Demised Premises and to contract for the same in 
                                       7
Tenant's own name and to pay to Landlord within ten (10) days after each 
billing or demand by Landlord, Tenant's Pro Rata share of any such charges 
relating to Common Facilities.  Tenant should not pay for any other utilities 
that are not its own or related to the Common Facilities.  Landlord shall not 
be responsible for, and Tenant shall not be entitled to terminate this Lease 
or to any abatement in rent due to, any interruption in utilities or other 
services resulting from any cause whatsoever other than Landlord's own gross 
negligence or willful misconduct.
          7.2       OPERATING EXPENSES.  Tenant covenants and agrees to pay all
costs and expenses of operations on or relating to the Demised Premises,
including costs and expenses for utilities, property management fees, (IN AN
AMOUNT NOT TO EXCEED MANAGEMENT FEES PAID FOR SIMILAR PROPERTIES IN THE AREA),
trash and garbage disposal, janitorial and cleaning services, gardening and
landscaping services, security services, pest control, removal of snow and ice
from parking areas, sidewalks and driveways serving the Demised Premises,
painting, replacement of damaged or broken glass and other breakable materials
in or serving the Demised Premises and replacement of lights and light fixtures
in or serving the Demised Premises and to contract for the same in Tenant's own
name; and to pay to Landlord, as Additional Rent payable pursuant to the
provisions hereinabove for Monthly Deposits, Tenant's Pro Rata Share of any such
costs and expenses incurred by Landlord relating to Common Facilities or which
are not separately allocated to premises in the Building(s) leased or held for
lease by Tenants.
          7.3       MAINTENANCE AND REPAIR EXPENSES.  Tenant covenants and
agrees to maintain, repair, replace and keep the Demised Premises and all
improvements fixtures and personal property thereon in good, safe and sanitary
condition, order and repair and in accordance with all applicable laws,
ordinances, orders, rules and regulations or governmental authorities having
jurisdiction, to pay all costs and expenses in connection therewith, and to
contract for the same in Tenant's own name; and to pay to Landlord, as
Additional Rent payable pursuant to the provisions hereinabove for Monthly
Deposits, Tenant's Pro Rata Share of any such costs and expenses incurred by
Landlord relating to Common Facilities or which are not separately allocated to
Premises in the Building(s) leased or held for lease to tenants.  Such costs and
expenses as to Common Facilities may include the costs and expenses of
maintenance and upkeep of grass, trees, shrubs and landscaping, including
replanting where necessary; keeping parking areas, landscaped areas, sidewalks
and driveways free from litter, dirt, debris and obstructions, maintenance,
repair and replacement of roofs and Parking Area; and ordinary and necessary
maintenance and repair of the Property and Improvements.  All maintenance and
repairs by Tenant shall be done promptly, in a good and workmanlike fashion, and
without diminishing the original quality of the Demised Premises or the
Property.  Landlord shall be responsible for and shall bear the costs and
expenses of replacement of, or extraordinary maintenance and repairs to,
exterior walls and structural elements of the Building(s) and other
Improvements, unless such is caused by the act or neglect of Tenant, in which
case Tenant shall be responsible for and shall bear the costs and expenses of
same.  TENANT IS RESPONSIBLE FOR ALL REPAIR AND REPLACEMENT IF NECESSARY OF THE
HVAC SYSTEM.  IN THE EVENT THE CUMULATIVE COST OF SUCH REPAIR OR REPLACEMENT
COST EXCEEDS $2,000.00 DURING THE INITIAL LEASE TERM, LANDLORD WILL PAY THE COST
IN EXCESS OF $2,000.00. TENANT SHALL GET APPROVAL FROM LANDLORD PRIOR TO
INCURRING ANY SUCH EXPENSE.
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8.        OTHER COVENANTS OF TENANT
          8.1       LIMITATION ON USE BY TENANT.  Tenant covenants and agrees 
to use the Demised Premises only for the use or uses set forth as Permitted 
Uses by Tenant on Exhibit "A" attached and for no other purpose.
          8.2       COMPLIANCE WITH LAW.  Tenant covenants and agrees that 
nothing shall be done or kept on the Demised Premises in violation of any 
law, ordinance, order, rule or regulation of any governmental authority 
having jurisdiction and that the Demised Premises shall be used, kept and 
maintained in compliance with any such law, ordinance, order, rule or 
regulation and with the certificate of occupancy issued for the Building(s) 
and the Demised Premises.
          8.3       COMPLIANCE WITH INSURANCE REQUIREMENTS.  Tenant covenants 
and agrees that nothing shall be done or kept on the Demised Premises which 
might impair the insurance maintained with respect to the Demised Premises or 
the Property, which might increase the insured risks or which might result in 
cancellation of any such insurance.  Tenant shall comply with all 
requirements pertaining to the use of the Demised Premises necessary for 
maintenance of such insurance.  If an increase many premiums for any 
insurance maintained by Landlord is caused by Tenant's use of the Demised 
Premises, then Tenant shall pay to Landlord on demand as additional rent the 
amount of such increase.
          8.4       NO WASTE OR IMPAIRMENT OF VALUE.  Tenant covenants and 
agrees that nothing shall be done or kept on the Demised Premises or the 
Property which might impair the value of the Demised Premises or the 
Property, or which would constitute waste.
          8.5       NO HAZARDOUS USE.  Tenant covenants and agrees that 
nothing shall be done or kept on the Demised Premises or the Property and 
that no improvements, changes, alterations, additions, maintenance or repairs 
shall be made to the Demised Premises which might be unsafe or hazardous to 
any person or property.  Tenant shall not dispose, dump, discharge or release 
any toxic wastes or toxic materials of any kind in or about the Demised 
Premises or the Park.
          8.6       NO STRUCTURAL OR ELECTRICAL OVERLOADING.  Tenant 
covenants and agrees that nothing shall be done or kept on the Demised 
Premises or the Building(s) and that no improvements, changes, alterations, 
additions, maintenance or repairs shall be made to the Demised Premises which 
might impair the structural soundness of the Building(s), which might result 
in an overload of electrical lines serving the Building(s) or which might 
interfere with electric or electronic equipment in the Building(s) or on any 
adjacent or nearby property.  In the event of violations hereof, Tenant 
covenants and agrees to immediately remedy the violation at Tenant's expense 
and in compliance with all requirements of governmental authorities and 
insurance underwriters.
          8.7       NO NUISANCE, NOXIOUS OR OFFENSIVE ACTIVITY.  Tenant 
covenants and agrees that no noxious or offensive activity shall be carried 
on upon the Demised Premises or the Property nor shall anything be done or 
kept on the Demised Premises or the Property which may be or become a public 
                                      9
or private nuisance or which may cause embarrassment disturbance, or 
annoyance to others in the Building(s) or on adjacent or nearby property.
          8.8       NO ANNOYING LIGHTS, SOUNDS OR ODORS.  Tenant covenants 
and agrees that no light shall be emitted from the Demised Premises which is 
unreasonably bright or causes unreasonable glare; no sound shall be emitted 
from the Demised Premises which is unreasonably loud or annoying; and no odor 
shall be emitted from the Demised Premises which is or might be noxious or 
offensive to others in the Building(s) or on adjacent or nearby property.
          8.9       NO UNSIGHTLINESS.  Tenant covenants and agrees that no 
unsightliness shall be permitted on the Demised Premises or the Property 
which is visible from any adjacent or nearby property.  Without limiting the 
generality of the foregoing, all unsightly equipment, objects and conditions 
shall be kept enclosed within the Demised Premises; no refuse, scrap, debris, 
garbage, trash, bulk materials, or waste shall be kept, stored or allowed to 
accumulate on the Demised Premises or the Property except as may be enclosed 
within the Demised Premises; all pipes, wires, poles, antennae and other 
facilities for utilities or the transmission or reception of audio or visual 
signals or electricity shall be kept and maintained underground or enclosed 
within the Demised Premises or appropriately screened from view; and no 
temporary structure shall be placed or permitted on the Demised Premises of 
the Property without the prior written consent of Landlord.
          8.10      NO ANIMALS.  Tenant covenants and agrees that no animals 
shall be permitted or kept on the Demised Premises or the Property.
          8.11      RESTRICTION ON SIGNS AND EXTERIOR LIGHTING. Tenant 
covenants and agrees that no signs or advertising devices of any nature shall 
be erected or maintained by Tenant on the Demised Premises or the Property, 
and no exterior lighting shall be permitted on the Demised Premises or the 
Property except as approved in writing by Landlord.  All building signage 
shall conform to the existing building signage and shall be installed and 
paid for by Tenant.
          8.12      NO VIOLATION OF COVENANTS.  Tenant covenants and agrees 
not to commit, suffer or permit any violation of any covenants, conditions or 
restrictions affecting the Demised Premises, the Property or the Park.
          8.13      RESTRICTION ON CHANGES AND ALTERATIONS.  Tenant covenants 
and agrees not to improve, change, alter, add to, remove or demolish any 
improvements on the Demised Premises ("Changes"), without the prior written 
consent of Landlord (which consent shall not be unreasonably withheld with 
respect to interior, non-structural changes), and unless Tenant complies with 
all conditions which may be imposed by Landlord, in its also discretion in 
connection with such consent, and unless Tenant pays to Landlord the 
reasonable costs and expenses of Landlord for architectural, engineering and 
other consultants which may be reasonably incurred by Landlord in determining 
whether to approve any such Changes and in inspecting such Changes.  If such 
consent is given, no such Changes shall be permitted unless Tenant shall have 
procured and paid for all necessary permits and authorizations from any 
governmental authorities having jurisdiction; unless such changes will not 
reduce the value 
                                      10
of the Property, and will not affect or impair existing insurance on the 
Property; and unless Tenant, at Tenant's sole cost and expense, shall 
maintain or cause to be maintained workmen's compensation insurance covering 
all persons employed in connection with the work and shall obtain liability 
insurance covering any loss or damage to persons or property arising in 
connection with any such Changes and such other insurance and bonds as 
Landlord may reasonably require.  Tenant covenants and agrees that any such 
Changes approved by Landlord shall be completed with due diligence and in 
good and workmanlike fashion and in compliance with all conditions imposed by 
Landlord and all applicable permits, authorizations, laws, ordinances, 
orders, rules and regulations of governmental authorities having jurisdiction 
and that the costs and expenses with respect to such Changes shall be paid 
promptly when due and that the Changes shall be accomplished free of liens of 
mechanics and materialmen.  Tenant covenants and agrees that all such Changes 
shall become the property of Landlord at the expiration of the Lease Tenn or, 
if landlord so requests, Tenant shall, at or prior to expiration of the Lease 
Term and at its sole cost and expense, remove such Changes and restore the 
Demised Premises to their condition prior to such Changes.
          8.14      NO MECHANICS' LIENS.  Tenant covenants and agrees not to 
permit or suffer, and to cause to be removed and released, any mechanics, 
materialmen or other lien on account of supplies, machinery, tools, 
equipment, labor or material furnished or used in connection with the 
construction or repair of or Changes to the Demised Premises by or on behalf 
of Tenant.  If any such lien is filed, Tenant shall within ten (10) days 
thereafter, at its expense, cause the lien to be fully charged by either 
paying the obligation secured thereby in fall or in accordance with the 
provisions of Minn. Stat. '514.10.  If Tenant elects to release the lien 
pursuant to Minn.  Stat.  '514.10 in lieu of payment, Tenant shall have the 
right to contest, in good faith and with reasonable diligence, the validity 
of any such obligation secured by the lien or claimed lien, provided that 
tenant shall give to Landlord such additional security as may be reasonably 
requested by Landlord to insure the payment of any amounts claimed, including 
interests and costs, and to prevent any sale, foreclosure or forfeiture of 
any interest in the Property on account of any such hen and provided that, on 
final determination of the obligation secured by the lien or claim for lien, 
Tenant shall immediately pay any judgement rendered.
     Tenant is not authorized to act for or on behalf of Landlord as its 
agent, or otherwise, for the purpose of constructing any improvements to the 
Demised Premises, and neither Landlord nor Landlord's interest in the Demised 
Premises shall be subject to any obligations incurred by Tenant.  Landlord 
shall be entitled, but not obligated, to post on the Demised Premises during 
the course of any construction by Tenant such notices of non-responsibility 
as Landlord deems appropriate, and tenant shall not remove or permit removal 
of any such notices.  Tenant shall, at least five (5) days before the 
commencement of any work which might result in such lien, give to Landlord 
written notice thereof.
          8.15      NO OTHER ENCUMBRANCES.  Tenant covenants and agrees not 
to obtain any financing secured by Tenant's interest in the Demised Premises 
and not to encumber the Demised Premises or Landlord's or Tenant's interest 
therein without the prior written consent of Landlord, and to keep the 
Demised premises free from all liens and encumbrances except liens and 
encumbrances created by Landlord.
                                      11
          8.16      SUBORDINATION TO LANDLORD MORTGAGES.  Tenant covenants 
and agrees that, at Landlord's option, this Lease and Tenant's interest in 
the Demised Premises shall be junior and subordinate to any mortgage or deed 
of trust now or hereafter encumbering the Property provided that, as to any 
mortgage or deed of trust given hereafter, the mortgagee or beneficiary under 
such mortgage or deed of trust agrees in writing, or adequate provision is 
made in the mortgage or trust, that, in the event of foreclosure of any such 
mortgage or deed of trust, Tenant shall not be disturbed in its possession of 
the Demised Premises, provided only that Tenant shall attorn to the party 
acquiring title to the Property as the result of such foreclosure.  No act or 
further agreement by Tenant shall be necessary to establish the subordination 
of this Lease to any such mortgage or deed of trust, but Tenant covenants and 
agrees, upon request of Landlord, to execute such documents as may be 
necessary or appropriate to confirm and establish this Lease as subordinate 
to any such mortgage or deed of trust in accordance with the foregoing 
provisions.  Alternatively, Tenant covenants and agrees that, at Landlord's 
option, Tenant shall execute documents as may be necessary to establish this 
Lease and Tenant's interest in the Demised Premises as superior to any such 
mortgage or deed of trust.  If Tenant fails to execute any documents required 
to be executed by Tenant under the provisions hereof, Tenant hereby makes, 
constitutes and irrevocably appoints Landlord as Tenant's attorney in fact 
and in Tenant's name, place and stead to execute any such documents.
          8.17      NO ASSIGNMENT OR SUBLETTING.  Tenant covenants and agrees 
not to make or permit a Transfer, as hereinafter defined, by Tenant or by any 
assignee or subtenant, without Landlord's prior written consent, which 
consent shall not be unreasonably withheld provided such Transfer shall not 
relieve Tenant of any of its obligations under this Lease.  A "Transfer" 
shall include a sublease of all or any part of the Demised Premises, any 
assignment, sublease, transfer, mortgage, pledge or encumbrance of all or any 
part of the Tenant's interest under this Lease or in the Demised Premises, by 
operation of law or otherwise, and the use of occupancy of all or any part of 
the Demised Premises by anyone other than tenant.  Any such Transfer without 
Landlord's written consent shall be void, at Landlord's option, and shall 
constitute a default under this Lease.  In the event Landlord consents to any 
Transfer, Tenant shall not be relieved of its obligations under this Lease 
and Tenant shall remain liable, jointly and severally and as a principal, and 
not as a guarantor or surety, under this Lease, to the same extent as though 
no transfer had been made, unless specifically provided to the contrary in 
Landlord's prior written consent.  The acceptance of rent by Landlord from 
any person other than Tenant shall not be deemed to be a waiver by Landlord 
of the provisions of this Section or of any other provision of this Lease, 
and any consent by Landlord to a Transfer shall not be deemed a consent to 
any subsequent Transfer.
     Notwithstanding the foregoing, Landlord shall, at Landlord's option, 
have the right, in lieu of consenting to a Transfer, to terminate this Lease 
as to the portion of the Demised Premises as is subject to the proposed 
Transfer and to enter into a new lease with the proposed transferee and 
receive directly from the proposed transferee the consideration agreed to be 
given by such transferee for the transfer.  The termination of this Lease 
pursuant to any provision contained herein or otherwise shall, at Landlord's 
provision contained herein or otherwise shall, at Landlord's option, 
                                      12
either terminate any or all existing subleases hereunder or operate as an 
assignment to Landlord of any such subleases.
     In the event Landlord consents to a Transfer, any option to renew this 
Lease or right to extend the Lease Term shall automatically terminate unless 
otherwise agreed in writing by Landlord.
     Tenant covenants and agrees to pay to Landlord, within ten (10) days 
after demand by Landlord, the reasonable costs and expenses of Landlord in 
connection with any request for consent to a Transfer, including reasonable 
attorneys' fees, whether or not consent of Landlord is given to the Transfer.
          8.18      ANNUAL FINANCIAL STATEMENTS.  Tenant covenants and agrees 
to furnish to Landlord annually, within ninety (90) days after the end of 
each fiscal year of tenant, copies of financial statements of Tenant audited, 
if requested by Landlord, by a certified public accountant and agrees that 
Landlord may deliver any such financial statements to any existing or 
prospective mortgagee or purchaser of the Property.  The financial statements 
shall include a balance sheet as of the end of, and a statement of profit and 
loss for, the preceding fiscal year and Tenant and, if regularly prepared by 
Tenant, a statement of sources and use of funds for the preceding fiscal year 
of Tenant.
          8.19      PAYMENT OF INCOME AND OTHER TAXES.  Tenant covenants and 
agrees to pay promptly when due all personal property taxes on personal 
property of Tenant on the Demised Premises and all federal, state and local 
income taxes, sales taxes, use taxes, Social Security taxes, unemployment 
taxes and taxes withheld from wages or salaries paid to Tenant's employees, 
the nonpayment of which might give rise to a lien on the Demised Premises or 
Tenant's interest therein, and to furnish, if requested by Landlord, evidence 
of such payments. If Tenant's fixtures, furnishings, equipment and other 
personal property are assessed together with the Property, Tenant shall pay 
to Landlord tenant's taxes due thereon as determined by Landlord within ten 
(10) days after delivery to Tenant of a written statement indicating the 
amount of such taxes applicable to Tenant's property.
          8.20      ESTOPPEL CERTIFICATES.  Tenant covenants and agrees to 
execute, acknowledge and deliver to Landlord upon Landlord's written request, 
a written statement certifying that this Lease is unmodified (or, if 
modified, stating the modifications) and in full force and effect; stating 
the dates to which Base Rent and Additional Rent have been paid; stating the 
amount of the Security Deposit held by Landlord; stating the amount of 
Monthly Deposits then being paid by Tenant; and stating whether or not 
Landlord is in default under this Lease (and, if so, specifying the nature of 
the default).  Tenant agrees that such statement may be delivered to and 
relied upon by any existing or prospective mortgagee or purchaser of the 
Property.  Tenant agrees that a failure to deliver such a statement within 
ten (10) days after written request from Landlord shall be conclusive upon 
Tenant that this Lease is in full force and effect without modification 
except as may be represented by Landlord; that there are no uncured defaults 
by Landlord under this Lease; and that any representation by Landlord with 
respect to Base Rent, Additional Rent, the Security Deposit and Monthly 
Deposits are true.
                                      13
          8.21      LANDLORD'S RIGHT TO INSPECT AND SHOW PREMISES AND TO 
INSTALL FOR SALE SIGNS.  Tenant covenants and agrees that Landlord and the 
authorized representatives of Landlord shall have the right to enter the 
Demised Premises at any reasonable time during ordinary business hours UPON 
REASONABLE NOTICE TO TENANT or at any time in the event of any emergency for 
the purposes of inspecting, repairing or maintaining the same or performing 
any obligations of Tenant which Tenant has failed to perform hereunder or for 
the purposes of showing the Demised Premises to any existing or prospective 
mortgagee, purchaser or lessee of the Property or the Demised Premises.  
TENANT SHALL HAVE THE RIGHT TO ACCOMPANY LANDLORD AND AUTHORIZED 
REPRESENTATIVES OF LANDLORD WHILE ON THE PREMISES EXCEPT IN THE CASE OF AN 
EMERGENCY.  Tenant covenants and agrees that Landlord may, at any time and 
from time to time, place on the Property and DURING THE LAST SIX (6) MONTHS 
OF THE LEASE ON the Demised Premises a sign advertising the Property or the 
Demised Premises for sale or lease.
          8.22      LANDLORD TITLE TO FIXTURES, IMPROVEMENTS AND EQUIPMENT. 
Tenant covenants and agrees that all fixtures and improvements on the Demised 
Premises and all equipment and personal property relating to the use and 
operation of the Demised Premises (as distinguished from operations incident 
to the business of Tenant), including all plumbing, heating, lighting, 
electrical and air conditioning fixtures and equipment, whether or not 
attached to or affixed to the Demised Premises, and whether now or hereafter 
located upon the Demised Premises, shall be and remain the property of 
Landlord upon expiration of the Lease Term.
          8.23      REMOVAL OF TENANT'S EQUIPMENT.  Tenant covenants and 
agrees to remove, at or prior to the expiration of the Lease term, all of 
Tenant's Equipment, as hereinafter defined.  "Tenant's Equipment" shall mean 
all equipment, apparatus, machinery, signs, furniture, furnishings and 
personal property used in the operation of the business of Tenant (as 
distinguished from the use and operation of the Demised Premises).  If such 
removal shall injure or damage the Demised Premises, Tenant covenants and 
agrees, at its sole cost and expense, at or prior to the expiration of the 
Lease Term, to repair such injury and damage in good and workmanlike fashion 
and to place the Demised Premises in the same condition as the Demised 
Premises would have been if such Tenant's Equipment had not been installed.  
If Tenant fails to remove any Tenant's Equipment by the expiration of the 
Lease Term, Landlord may, at its option, keep and retain any such Tenant's 
Equipment or dispose of the same and retain any proceeds thereof, and 
Landlord shall be entitled to recover from Tenant any costs or expenses of 
Landlord in removing the same and in restoring the Demised Premises in excess 
of the actual proceeds, if any, received by Landlord from disposition thereof.
          8.24      TENANT INDEMNIFICATION OF LANDLORD.  SUBJECT TO THE 
WAIVER OF CLAIMS AND SUBROGATION CONTAINED IN SECTION 6.1 OF THE LEASE, 
Tenant covenants and agrees to protect, indemnify and save Landlord harmless 
from and against all liability, obligations, claims, damages, penalties, 
causes of action, costs and expenses, including attorneys' fees, imposed 
upon, incurred by or asserted against Landlord by reason of (a) any accident, 
injury to or death or any person or loss of or damage to any property 
occurring on or about the Demised Premises; (b) any act or omission of Tenant 
or Tenant's officers, employees, agents, guests or invitees or of anyone 
claiming by, through or under Tenant; (c) any use which may be made of, or 
condition existing upon, the Demised 
                                      14
Premises; (d) any improvements, fixtures or equipment upon the Demised 
Premises; (e) any failure on the part of Tenant to perform or comply with any 
of the provisions, covenants or agreements of Tenant contained in this Lease; 
(f) any violation by Tenant or Tenant's officers, employees, agents, guests 
or invitees or by anyone claiming by, through or under Tenant of any law, 
ordinance, order, rule or regulation of governmental authorities having 
jurisdiction or of any covenant, condition or restriction affecting the Park; 
and (g) any repairs, maintenance or Changes to the Demised Premises made by 
or on behalf of Tenant.  Tenant further covenants and agrees that, in case 
any action, suit or proceeding is brought against Landlord by reason of any 
of the foregoing, Tenant will, at Tenant's sole cost and expense, defend 
Landlord in any such action, suit or proceeding.
          8.25      WAIVER BY TENANT.  Tenant waives and releases any claims 
Tenant may have against Landlord or Landlord's officers, agents or employees 
for loss, damage or injury to person or property sustained by Tenant or 
Tenant's officers, agents, employees, guests, invitees or anyone claiming by, 
through or under Tenant resulting from any cause whatsoever other than gross 
negligence or willful misconduct of Landlord or its officers, agents or 
employees.
          8.26      RELEASE UPON TRANSFER BY LANDLORD.  In the event of a 
transfer by Landlord of the Property or of Landlord's interest as Landlord 
under this Lease, Landlord's successor or assign shall take subject to and be 
bound by this Lease and, in such event, Tenant covenants and agrees that 
Landlord shall be released from all obligations of Landlord under this Lease, 
except obligations which arose and matured prior to such transfer by 
Landlord; that Tenant shall thereafter look solely to Landlord's successor or 
assign for satisfaction of the obligations of Landlord under this Lease; and 
that, upon demand by Landlord or Landlord's successor or assign, Tenant shall 
attorn to such successor or assign.
9.        DAMAGE OR DESTRUCTION
          9.1       TENANT'S NOTICE OF DAMAGE.  If any portion of the Demised 
Premises shall be damaged or destroyed by fire or other casualty, Tenant 
shall give prompt written notice thereof to Landlord ("Tenant's Notice of 
Damage").
          9.2       OPTIONS TO TERMINATE IF DAMAGE SUBSTANTIAL.  Upon receipt 
of Tenant's Notice of Damage, Landlord shall promptly proceed to determine 
the nature and extent of the damage or destruction and the sufficiency of 
insurance proceeds to repair and restore and to estimate the time necessary 
to repair and restore the Demised Premises.  As soon as reasonably possible, 
Landlord shall give written notice to Tenant stating whether the insurance 
proceeds are sufficient to repair and restore and, if so, Landlord's estimate 
of the time necessary to repair and restore the Demised Premises ("Landlord's 
notice of Repair Time").  If Landlord reasonably estimates that insurance 
proceeds are insufficient to repair and restore and Landlord does not intend 
to advance such deficiency or if repair and restoration of the Demised 
Premises cannot be completed within 180 days from the time of Tenant's Notice 
of Damage, Landlord and Tenant shall each have the option to terminate this 
Lease.
                                      15
Any option granted hereunder shall be exercised by written notice to the 
other party given within ten (10) days after Landlord's Notice of Repair 
Time.  In the event either Landlord or Tenant exercises its option to 
terminate this Lease, the Lease Term shall expire ten (10) days after the 
notice by either Landlord or Tenant exercising such party's option to 
terminate this Lease.  In the event of termination of this Lease under the 
provisions hereof, Landlord shall refund to Tenant such amounts of Base Rent 
and Additional Rent theretofore paid by Tenant as may be applicable to the 
period subsequent to the time of Tenant's Notice of Damage less the 
reasonable value of any use or occupation of the Demised Premises by Tenant 
subsequent to the time of Tenant's Notice of Damage.
          9.3       OBLIGATIONS TO REPAIR AND RESTORE.  In the event there 
are sufficient funds to repair and restore, and repair and restoration of the 
Demised Premises can, in Landlord's reasonable estimation, be completed 
within 180 days from the time of Tenant's Notice of Damage as specified in 
Section 9.2, this Lease shall continue in full force and effect and Landlord 
shall proceed to cause the Demised Premises (excluding improvements, fixtures 
and personal property not owned by Landlord) to be repaired and restored with 
reasonable diligence, and there shall be abatement of Base Rent and 
Additional Rent proportionate to the extent of the space and period of time 
that Tenant is unable to use and enjoy the Demised Premises.
          9.4       APPLICATION OF INSURANCE PROCEEDS.  The proceeds of any 
Casualty Insurance maintained on the Demised Premises, other than casualty 
insurance maintained by Tenant on fixtures and personal property of Tenant, 
shall be paid to and become the property of Landlord.  WHETHER OR NOT THIS 
LEASE IS TERMINATED PURSUANT TO SECTION 9.2, THE AMOUNT DEDUCTIBLE FROM 
INSURANCE PROCEEDS WITH RESPECT TO CASUALTY LOSS SHALL BE PAYABLE AS 
ADDITIONAL RENT DUE FROM TENANT TO LANDLORD DURING THE TERM OF THE LEASE AS 
PROVIDED IN SECTIONS 4.5, 4.6 AND 4.7 HEREOF.
10.       CONDEMNATION
          10.1      TAKING--SUBSTANTIAL TAKING--INSUBSTANTIAL TAKING.  A 
"Taking" shall mean the taking of all or any portion of the Demised Premises 
as a result for the exercise of the power of eminent domain or condemnation 
for public or quasi-public use or the sale of all or part of the Demised 
Premises under the threat of condemnation.  A "Substantial Taking" shall mean 
a Taking of so much of the Demised Premises that the Demised Premises cannot 
thereafter be reasonably used by Tenant for carrying on, at substantially the 
same level or scope, the business theretofore conducted by Tenant on the 
Demised premises, or a taking which the award therefore retained by Landlord 
is in Landlord's reasonable estimate insufficient to restore the Demised 
Premises and Property to a condition as near as possible to the original 
condition thereof and if Landlord does not intend to advance such deficiency. 
As "Insubstantial Taking" shall mean a Taking such that the Demised Premises 
can thereafter continue to be used by Tenant for carrying on, at 
substantially the same level and scope, the business theretofore conducted by 
Tenant on the Demised Premises and, as aforesaid, the award is sufficient for 
restoration.
                                      16
          10.2      TERMINATION ON SUBSTANTIAL TAKING.  If there is a 
Substantial Taking with respect to the Demised Premises, the Lease Term shall 
expire on the date of vesting of title pursuant to such Taking.  In the event 
of termination of this Lease under the provisions hereof, Landlord shall 
refund to Tenant such amounts of Base Rent and Additional Rent theretofore 
paid by Tenant as may be applicable to the period subsequent to the time of 
termination of this Lease.
          10.3      RESTORATION OF INSUBSTANTIAL TAKING.  In the event of an 
Insubstantial Taking, this Lease shall continue in full force and effect, 
Landlord shall proceed forthwith to cause the Demised Premises to be restored 
as near as may be to the original condition thereof and there shall be 
abatement of Base Rent and Additional Rent proportionate to the extent of the 
space so taken.
          10.4      RIGHT OF AWARD.  The total award, compensation, damages 
or consideration received or receivable as a result of a Taking ("Award") 
shall be paid to and be the property of Landlord, whether the Award shall be 
made as compensation for diminution of the value of the leasehold or the fee 
of the Demised Premises or otherwise, and Tenant hereby assigns to Landlord 
all of Tenant's right, title and interest in and to any such Award.  Tenant 
covenants and agrees to execute, immediately upon demand by Landlord, such 
documents as may be necessary to facilitate collection by Landlord of any 
such Award.
11.       DEFAULTS BY TENANT
          11.1      DEFAULTS GENERALLY.  Each of the following shall 
constitute a "Default by Tenant" under this Lease:
          11.2      FAILURE TO PAY RENT OR OTHER AMOUNTS.  A default by 
Tenant shall exist if Tenant fails to pay when due Base Rent, Additional 
Rent, Monthly Deposits, or any other amounts payable by Tenant under the 
terms of this Lease, and such failure shall continue for five (5) days after 
written notice from Landlord to Tenant of such failure; provided, however, 
that Tenant shall not be entitled to more than two (2) notices of such 
failure during any twelve-month period and if, after two (2) such notices are 
given in any twelve-month period, Tenant fails during such twelve-month 
period to pay such amounts when due, such failure shall constitute a Default 
by Tenant without further notice by Landlord.
          11.3      VIOLATION OF LEASE TERM.  A Default by Tenant shall exist 
if Tenant breaches or fails to comply with any agreement, term, covenant or 
condition in this Lease applicable to Tenant, and such breach or failure to 
comply continues for a period of twenty (20) days after notice thereof by 
Landlord to Tenant, or, if such breach or failure to comply cannot be 
reasonably cured within such twenty-day period, if Tenant shall not in good 
faith commence to cure such breach or failure to comply within such twenty 
day period or shall not diligently proceed therewith to completion.
          11.4      NON-OCCUPANCY OF DEMISED PREMISES.  A Default by Tenant 
shall exist if Tenant shall fail to occupy and use the Demised Premises 
within fifteen (15) days after commencement of the 
                                      17
Lease Term or shall leave the Demised Premises unoccupied for fifteen (15) 
consecutive days or shall vacate and abandon the Demised Premises.
          11.5      TRANSFER OF INTEREST WITHOUT CONSENT.  A Default by 
Tenant shall exist if Tenant's interest under this Lease or in the Demised 
Premises shall be transferred to or pass to or devolve upon any other party 
without Landlord's prior written consent.
          11.6      EXECUTION AND ATTACHMENT AGAINST TENANT.  A Default by 
Tenant shall exist if Tenant's interest under this Lease or in the Demised 
Premises shall be taken upon execution or by other process of law directed 
against Tenant, or shall be subject to any attachment at the instance of any 
creditor or claimant against Tenant and said attachment shall not be 
discharged or disposed of within fifteen (15) days after the levy thereof.
          11.7      BANKRUPTCY OR RELATED PROCEEDINGS.  A Default by Tenant 
shall exist if Tenant shall file a petition in bankruptcy or insolvency or 
for reorganization or arrangement under the bankruptcy laws of the United 
States or under any similar act of any state, or shall voluntarily take 
advantage of any such law or act by answer or otherwise, or shall be 
dissolved or shall make an assignment for the benefit or creditors or if 
involuntary proceedings under any such bankruptcy or insolvency law or for 
the dissolution of Tenant shall be instituted against Tenant or a receiver or 
trustee shall be appointed for the Demised Premises or for all or 
substantially all of the property of Tenant, and such proceedings shall not 
be dismissed or such receivership or trusteeship vacated within sixty (60) 
days after such institution or appointment.
12.       LANDLORD'S REMEDIES
          12.1      REMEDIES GENERALLY.  Upon the occurrence of any default 
by Tenant, Landlord shall have the right, at Landlord's election, then or at 
any time thereafter, to exercise any one or more of the following remedies.
          12.2      CURE BY LANDLORD.  In the event of a Default by Tenant, 
Landlord may, at Landlord's option, but without obligation to do so, and 
without releasing Tenant from any obligations under this Lease, make any 
payment or take any action as Landlord may deem necessary or desirable to 
cure any such Default by Tenant in such manner and to such extent as Landlord 
may deem necessary or desirable.  Landlord may do so upon prior written 
notice to Tenant, except in the case of an emergency, and without giving 
Tenant an opportunity to cure such Default by Tenant.  Tenant covenants and 
agrees to pay to Landlord, immediately upon demand, all advances, costs and 
expenses of Landlord in connection with the making of any such payment or the 
taking of any such action, including reasonable attorneys' fees, together 
with interest as hereinafter provided, from the date of payment of any such 
advances, costs and expenses by Landlord. Action taken by Landlord may 
include commencing, appearing in, defending or otherwise participating in any 
action or proceeding and paying, purchasing, contesting or comprising any 
claim, right, encumbrance, charge or lien with respect to the Demised 
Premises which Landlord, in its discretion, may deem necessary or desirable 
to protect its interest in the Demised Premises and under this Lease.
                                      18
 
     12.3   REMEDIES OF LANDLORD.  In the event of Default by Tenant, 
Landlord may elect to either (i) terminate this Lease or (ii) terminate 
Tenant's right to possession only without termination Tenant's continued 
liability under this Lease.  No reentry or taking possession of the Demised 
Premises by Landlord shall be construed as an election by Landlord to 
terminate this Lease unless a written notice of such intention is given to 
Tenant.  No notice from Landlord hereunder or under a forcible entry and 
detainer statute or similar law shall constitute an election by Landlord to 
terminate this Lease unless such notice specifically so states.  
Notwithstanding the fact that Landlord initially elects under (ii) to 
terminate Tenant's right to possession only, Landlord shall have the 
continuing right to terminate this Lease by giving Tenant three (3) days' 
written notice of such further election, and shall have the right to pursue 
any remedy at law or in equity that may be available to Lessor.
     In the event of election to terminate Tenant's right to possession only 
Landlord may, at Landlord's option enter in the Demised Premises and take and 
hold possession thereof, without such entry into possession termination this 
Lease or releasing Tenant in whole or in part from Tenant's obligation to pay 
all amounts hereunder for the full stated Lease Term.  Upon such re-entry, 
Landlord may remove all persons and property from the Demised Premises and 
such property may be removed and stored in a public warehouse or elsewhere at 
the cost of and for the account of Tenant, without Landlord becoming liable 
for any loss or damage which may be occasioned thereby.  Such re-entry shall 
be conducted without resort to judicial process or notice of any kind if 
Tenant has abandoned or voluntarily surrendered possession of the Demised 
Premises, and otherwise by resort to judicial process.  Upon and after entry 
into possession without termination of this Lease, Landlord may, but is not 
obligated to, relet the Demised Premises, or any part thereof, for such time 
and upon such terms as Landlord, in Landlord's sole discretion, shall 
determine.  Landlord may alter, repair and redecorate the Demised Premises as 
Landlord deems desirable to facilitate reletting the Demised Premises.
     Upon such re-entry, Tenant shall be liable to Landlord as follows:
                    A.      For all reasonable attorneys' fees incurred by
               Landlord in connection with exercising any remedy hereunder;
                    B.      For the unpaid installments of Base Rent,
               Additional Rent and other unpaid sums which were due prior to
               such re-entry, which sums shall be payable immediately;
                    C.      For the installments of Base Rent, Additional Rent
               and other sums falling due pursuant to the provision of this
               Lease for the period after reentry during which the Demised
               Premises remain vacant, which sums shall be payable as they
               become due hereunder;
                    D.      For all expenses incurred in re-leasing the
               Demised Premises, including leasing commissions, attorneys' fees,
               and costs of alterations, repairs and redecorating, which
               expenses shall be payable as they are incurred by Landlord;
                                      19
                    E.      While the Demised Premises are subject to any new
               lease or leases made pursuant to this paragraph, for the amount
               by which the monthly installments received by Landlord pursuant
               to such new lease or leases is less than the monthly installment
               for all charges payable pursuant to this Lease, which
               deficiencies shall be payable monthly.  If the net amount
               recovered by Landlord for such reletting excess the amounts due
               by Tenant hereunder, Tenant shall have no right to such excess
               amount and such excess amount shall belong to Landlord; and
                    F.      For interest on all the above sums at the rate set
               forth in Paragraph 12.7 hereof.
     Notwithstanding Landlord's election to terminate Tenant's right to 
possession only, and notwithstanding any reletting without termination, 
Landlord, at any time thereafter, may elect to terminate their Lease, and to 
recover from Tenant in lieu of the amounts which would thereafter be payable 
pursuant to the foregoing, as damages for loss of the bargain and not as a 
penalty, an aggregate sum which, at the time of such termination of this 
Lease, represents the excess, if any, of (b) the aggregate of the Base Rent, 
Additional Rent and all other sums payable by Tenant hereunder that would 
have accrued for the balance of the Lease Term, over (b) the aggregate rental 
value of the Demised Premises for the balance of the Lease Term, both 
discounted to present worth at the rate of eight percent (8%) per annum.
          12.4    LANDLORD'S LIEN AND ENFORCEMENT.  Tenant hereby grants to 
Landlord a security interest in all personal property, equipment and fixtures 
of Tenant now or hereafter located on the Demised Premises as security for 
the performance of Tenant's obligations under this Lease.  Tenant covenants 
and agrees, upon request by Landlord from time to time, to execute and 
deliver such financing statements as may be necessary or desirable to perfect 
the security interest hereby granted.  In the event of a Default by Tenant, 
Landlord may foreclose the security interest hereby granted in any manner 
permitted by law. NOTWITHSTANDING THE FOREGOING, LANDLORD ACKNOWLEDGES THAT 
ANY SECURITY INTEREST GRANTED BY TENANT TO THIRD PARTIES COVERING INVENTORY, 
PERSONAL PROPERTY AND EQUIPMENT OF TENANT FOR PURPOSES OF FINANCING THE 
ACQUISITION OR OWNERSHIP OF THAT PROPERTY OR THE OPERATION OF TENANT'S 
BUSINESS SHALL BE PRIOR TO THE LIEN GRANTED TO LANDLORD HEREUNDER.  LANDLORD 
AGREES, UPON REQUEST OF TENANT, TO EXECUTE THE DELIVERY OF ANY SUBORDINATION 
AGREEMENTS AS MAY BE NECESSARY OR DESIRABLE TO SUBORDINATE LANDLORD'S 
INTEREST TO SUCH OTHER SECURITY INTERESTS AS MAY BE GRANTED BY TENANT 
HEREUNDER.
          12.5    SUITS BY LANDLORD.  Actions or suits for the recovery of 
amounts and damages payable under this Lease may be brought by Landlord, from 
time to time, at Landlord's election, and Landlord shall not be required to 
await the date upon which the Lease Term would have expired to bring any such 
action or suit.
          12.6    RECOVERY OF LANDLORD ENFORCEMENT COSTS.  All costs and 
expenses incurred by Landlord in connection with collection any amounts and 
damages owing by Tenant pursuant to the provisions of this Lease or to 
enforce any provision of this Lease shall be paid by Tenant to Landlord 
                                      20
upon demand, including reasonably attorneys' fees whether or not any action 
is commenced by Landlord, which fees shall be determined by the court and not 
by a jury if related to an action.
          12.6    INTEREST ON PAST DUE PAYMENTS AND ADVANCES.  Tenant 
covenants and agrees to pay to Landlord interest on demand at the rate of 
five percent (5%) above the "Prime Rate", as hereinafter defined, on the 
amount of any Monthly Rent Monthly Deposit or any other amount due hereunder 
which is not paid when due, from the date due and payable, and on the amount 
of any payment made by Landlord required to have been made by Tenant under 
this Lease and on the amount of any costs and expenses, including reasonable 
attorneys' fees, paid by Landlord in connection with the taking of any action 
to cure any Default by Tenant, from the date of making any such payment or 
the advancement of such costs and expenses by Landlord.  "Prime Rate" shall 
mean the rate charged by Norwest Bank Minnesota, N.A. (the "Bank"), or other 
bank as hereinafter provided, at the time said Monthly Rent or Monthly 
Deposit was due and payable or at the time of making any such payment or the 
advancement of such costs and expenses by Landlord as aforesaid, on 
ninety-day loans to commercial borrowers of nationally recognized and 
unquestioned credit as announced by the Bank from time to time, but not in 
excess of the maximum amount of finance charge permissible under applicable 
law.  In the event that the Bank discontinues the use of a Prime Rate, the 
Prime Rate being charged by any other national banking association located in 
Minneapolis or St. ▇▇▇▇, Minnesota, as selected by Landlord in its sole 
discretion, shall be used for computing the interest rate under this Section.
          12.7    LANDLORD'S BANKRUPTCY REMEDIES.  Nothing contained in this 
Lease shall limit or prejudice the right of Landlord to provide and obtain as 
liquidated damages in any bankruptcy, insolvency, receivership, 
reorganization or dissolution proceeding, an amount equal to the maximum 
allowable by any statute or rule or law governing such proceeding in effect 
at the time when such damages are to be proved, whether or not such amount be 
greater, equal or less than the amounts recoverable, either as damages or 
rent, under this Lease.
          12.8    REMEDIES CUMULATIVE.  Exercise of any or the remedies of 
Landlord under this Lease shall not prevent the concurrent or subsequent 
exercise of any other remedy provided for in this Lease or otherwise 
available to Landlord at law or in equity.
13.       SURRENDER AND HOLDING OVER
          13.1    SURRENDER UPON LEASE EXPIRATION.  Upon the expiration or 
earlier termination of this Lease, or on the date specified in any demand for 
possession by Landlord after any Default by Tenant, Tenant covenants and 
agrees to surrender possession of the demised Premises to Landlord, in the 
same condition as when Tenant first occupied the Demised Premises, ordinary 
wear and tear excepted.
          13.2    HOLDING OVER.  If Tenant shall remain on the Demised 
Premises after the expiration of the Lease Term without written agreement 
providing otherwise, Tenant, at Landlord's election, shall be deemed to be a 
tenant from month to month, at a monthly rental, payable in advance, equal 
                                      21
to 150% of the Monthly Rent, and Tenant shall pay all other sums due and be 
bound by all of the other terms, covenants and agreements of this Lease.  
Nothing contained herein shall be construed to give Tenant the right to hold 
over at any time, and Landlord, in addition to collecting the increased 
Monthly Rent and Additional Rent provided herein, may exercise any and all 
remedies at law or in equity to recover possession of the Demised Premises, 
as well as any damages incurred by Landlord due to Tenant's failure to vacate 
the Demised Premises and deliver possession to Landlord as herein provided.
14.       MISCELLANEOUS
          14.1    NO IMPLIED WAIVER.  No failure by Landlord to insist upon 
the strict performance of any term, covenant or agreement contained in this 
Lease, no failure by Landlord to exercise any right or remedy under this 
Lease, and no acceptance of full or partial payment during the continuance of 
any default by Tenant, shall constitute a waiver of any such term, covenant 
or agreement or a waiver of any such right or remedy or a waiver of any such 
Default by Tenant.
          14.2    SURVIVAL OF PROVISIONS.  Notwithstanding any termination of 
this Lease, the same shall continue in force and effect as to any provisions 
hereof which require observance or performance by Landlord or Tenant 
subsequent to termination.
          14.3    COVENANTS INDEPENDENT.  This Lease shall be construed as if 
the covenants herein between Landlord and Tenant are independent, and not 
dependent, and Tenant shall not be entitled to any offset against Landlord if 
Landlord fails to perform its obligations under this Lease.
          14.4    COVENANTS AS CONDITIONS.  Each provision of this Lease 
performable by Tenant shall be deemed both a covenant and a condition.
          14.5    JOINT AND SEVERAL OBLIGATIONS.  If Tenant is constituted of 
two or more persons, corporations or other entities, all agreements, 
covenants, representations and warranties of Tenant herein are the joint and 
several obligations of the persons or entities constituting Tenant.  Notice 
given to any one of the persons or entities constituting Tenant shall be 
deemed to have been given to all such persons or entities.
          14.6    TENANT'S REMEDIES.  Tenant may bring a separate action 
against Landlord for any claim Tenant may have against Landlord under this 
Lease, provided Tenant shall first give written notice thereof to Landlord 
and shall afford Landlord a reasonable opportunity to cure any such default.  
In addition, Tenant shall send notice of such default by certified or 
registered mail, postage prepaid, to the holder of any mortgage or deed of 
trust covering the Demised Premises, the Property or any portion thereof 
whose address Tenant has been notified in writing, and shall afford such 
holder a reasonable opportunity to cure any default on Landlord's behalf.  In 
no event will Landlord be responsible for any damages incurred by Tenant for 
loss of profits or interruption of business as a result of any default by 
Landlord hereunder.  In no event will Tenant be entitled to terminate this 
Lease as a result of any default by Landlord hereunder.
                                      22
          14.7    BINDING EFFECT.  This Lease shall extend to and be binding 
upon the heirs, executors, legal representatives, successors and permitted 
assigns of the respective parties hereto.  The terms, covenants, agreements 
and conditions in this Lease shall be construed as covenants running with the 
Land.
          14.8    NOTICES AND DEMANDS.  All notices, demands or ▇▇▇▇▇▇▇▇ 
under this Lease shall be in writing, signed by the party giving the same and 
shall be deemed properly received when actually received by the recipient or, 
if mailed, on the earlier of actual receipt by the recipient or three 
business days after mailing.  Mailed notices shall be sent by registered or 
certified United States mail, postage prepaid, addressed to the party to 
receive the notice.  Notices shall be sent to the addresses for the parties 
set forth in the first paragraph of this Lease or at such other address as 
either party may notify the other of in writing.
          14.9    TIME OF THE ESSENCE.  Time is of the essence under this 
Lease, and all provisions herein relating thereto shall be strictly construed.
          14.10   CAPTIONS FOR CONVENIENCE.  The headings and captions hereof 
are for convenience only and shall not be considered in interpreting the 
provisions hereof.
          14.11   SEVERABILITY.  If any provision of this Lease shall be held 
invalid or unenforceable, the remainder of this Lease shall not be affected 
thereby, and there shall be deemed substituted for the affected provision a 
valid and enforceable provision as similar as possible to the affected 
provision.
          14.12   GOVERNING LAW.  This Lease shall be interpreted and 
enforced according to the laws of the State of Minnesota.
          14.13   ENTIRE AGREEMENT.  This Lease and any Exhibits and Rider to 
Lease referred to herein constitute the final and complete expression of the 
parties' agreements with respect to the Demised Premises and Tenant's 
occupancy thereof.  Each party agrees that it has not relied upon or regarded 
as binding any prior agreements, negotiations, representations, or 
understanding, whether oral or written, except as expressly set forth herein.
          14.14   NO ORAL AMENDMENT OR MODIFICATION.  No amendment or 
modification of this Lease, and no approvals, consents or waivers by Landlord 
under this Lease, shall be valid or binding unless in writing and executed by 
the party to be bound.
          14.15   REAL ESTATE BROKERS.  Tenant covenants to pay, hold 
harmless and indemnify Landlord from and against any and all cost, expense or 
liability for any compensation, commissions, charges or claims by any broker 
or other agent with respect to this Lease or the negotiation thereof other 
than the Paramount Real Estate Corporation and any other broker listed as a 
Participating Broker on Exhibit "A" attached hereto.
                                      23
          14.16   RELATIONSHIP OF LANDLORD AND TENANT.  Nothing contained 
herein shall be deemed or construed as creating the relationship of principal 
and agent or of partnership, or of joint venture by the parties hereto, it 
being understood and agreed that no provision contained in this Lease nor any 
acts of the parties hereto shall be deemed to create any relationship other 
than the relationship of Landlord and Tenant.
          14.17   LIMITATION ON PERSONAL LIABILITY OF LANDLORD. 
Notwithstanding anything to the contrary contained in this Lease, it is 
understood and agreed that there shall be no personal liability on the part 
of Landlord or any of its beneficiaries, successors or assigns with respect 
to any of the terms, covenants and conditions of this Lease, and Tenant shall 
look solely to the equity of Landlord in the Demised Premises in the event of 
any default or liability of Landlord under this Lease, such exculpation of 
liability to be absolute and without any exception whatsoever.
          14.18   AUTHORITY OF TENANT.  Each individual executing this Lease 
on behalf of Tenant represents and warrants that s/he is duly authorized to 
deliver this Lease on behalf of Tenant and that this Lease is binding upon 
Tenant in accordance with its terms.
          14.19   PARK.  Landlord hereby reserves the right to (i) change the 
name or street address of the Building(s), the Property, the Park and/or the 
Demised Premises, (ii) add to, improve, or alter any part or all of the 
Property, Building(s) or Park, (iii) add to, improve or alter any part or all 
of the Parking Area or other Common Facilities or other portion of the Park, 
and (iv) relocate Tenant to other substantially similar premises within the 
Property at Landlord's expense upon thirty (30) days' written notice to 
Tenant.  The foregoing rights are exercisable without liability for any 
inconvenience suffered by Tenant as a result thereof (including any 
diminution of light, air or view), and without notice to Tenant (except as 
provided otherwise in clause (iv), and Tenant shall not be entitled by reason 
thereof to terminate this Lease or to claim any abatement or reduction of 
rental hereunder.
          14.20   LITIGATION; FINANCIAL CONDITION.  Tenant represents and 
warrants to Landlord that Tenant is not involved in any pending or threatened 
litigation, proceeding, lawsuit, administrative hearing or other action of 
any nature whatsoever, an adverse determination of which could materially and 
adversely affect Tenant's financial condition or its ability to perform under 
this Lease.  Tenant covenants and agrees to deliver to Landlord on or before 
the execution of this Lease a financial statement, dated within the last six 
(6) months of the date hereof, setting forth Tenant's financial condition.  
Tenant represents and warrants to Landlord that such financial statement will 
accurately reflect Tenant's financial status as of the date delivered to 
Landlord.
          14.21   GENERAL RULES OF CONSTRUCTION.
                    A.      This Lease may be executed in several counterparts
               and the counterparts shall constitute one and the same
               instrument.
                    B.      Landlord may act under this Lease by its attorney
               or agent.
                    C.      (I) Wherever appropriate herein, the singular
               includes the plural and the plural includes the singular; (ii)
               whenever the word "including" is used herein, it shall be deemed
               to 
                                      24
               mean "including, but not limited to"; (iii) the words "re-
               enter" and "re-entry" as used herein shall not be restricted to
               their technical legal meaning.
                    D.      The language in all parts of this Lease shall in
               all cases be construed as a whole according to its fair meaning,
               and not strictly for nor against either Landlord or Tenant, and
               should a court be called upon to interpret any provision hereof,
               no weight shall be given to, nor shall any construction or
               interpretation be influenced by, any presumption of preparation
               of this Lease by Landlord or by Tenant.
          14.22   RULES AND REGULATIONS.  Tenant agrees to comply with and 
observe all reasonable rules and regulations established by Landlord for the 
Property from time to time.  Tenant's failure to keep and observe such rules 
and regulations shall constitute a default pursuant to the terms of this 
Lease.
     IN WITNESS WHEREOF the parties hereto have caused this Lease to be 
executed the day and year first above written.
 
                                                  LANDLORD:
                                                  ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
                                                  By: /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
                                                     --------------------------
                                                          ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
                                                  Its:      Owner
                                                      -------------------------
                                                  TENANT:
                                                  Hypertension Diagnostics, Inc.
                                                  (a Minnesota Corporation)
                                                  By: /s/ ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
                                                     --------------------------
                                                  Its:  President
                                                      -------------------------
                                           25
                                       
                                 RIDER TO LEASE
                             DATED OCTOBER 24, 1997
                                 BY AND BETWEEN
                         ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇, AS LANDLORD
                                       AND
                         HYPERTENSION DIAGNOSTICS, INC.,
                      (A MINNESOTA CORPORATION), AS TENANT
IMPROVEMENTS:
Landlord agrees to provide, at no cost to Tenant, the following improvements:
1.   Paint all office walls that are currently painted and wipe down 
     wallpapered walls.
2.   Recarpet entire office area with the exception of the VCT ENTRANCE areas, 
     with a $12.00/yard allowance.
3    Replace damaged and stained ceiling tiles.
4.   Replace all light bulbs and ballasts which are not working.
5.   Service and certify that HVAC units are in good working condition as of  
     commencement date of lease.
6.   Clean plumbing fixtures, bathrooms, windows and light fixtures.
7.   Repair or replace any items/fixtures/components of the Demised Premises
     which may be inoperative, damaged or broken.
Any improvements other than those listed above shall be at Tenants' sole cost
and expense with prior approval by Landlord.
LANDLORD:                              TENANT:
▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇                     Hypertension Diagnostics, Inc.
                                       (a Minnesota Corporation)
By:  /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇            By:  /s/ ▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
   ------------------------               ----------------------
         ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
Its: Owner                             Its: President
    -----------------------                ---------------------
Date:  10/27/97                        Date:  10/24/97
     ----------------------                 --------------------
                                      26
                                  EXHIBIT "A"
                                       TO
                                   THE WATERS
                                 LEASE OF SPACE
                            BASIC LEASE INFORMATION
                                             
TENANT:                                         Hypertension Diagnostics, Inc., (a Minnesota 
                                                Corporation)
TENANT'S TRADE NAME:                            Hypertension Diagnostics, Inc.
LAND - LEGAL DESCRIPTION:                       ▇▇▇ ▇, ▇▇▇▇▇ ▇, ▇▇▇▇ ▇▇▇▇▇ - ▇▇▇▇▇▇▇▇▇ to the plat
                                                thereof on file in the office of the Dakota County
                                                Recorder, Dakota County, Minnesota
DEMISED PREMISES -APPROXIMATE TOTAL:            6,947 Square Feet
DEMISED PREMISES -APPROXIMATE OFFICE:           4,110 Square Feet
DEMISED PREMISES -APPROXIMATE WAREHOUSE:        2,837 Square Feet
DEMISED PREMISES - ADDRESS:                     ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇ ▇▇▇ 
                                                ▇▇▇▇▇, ▇▇ ▇▇▇▇▇
SPACE NUMBER:                                   Suite 108
LEASE TERM:                                     Thirty-Six (36) Months
COMMENCEMENT DATE:                              November 1, 1997
EXPIRATION DATE:                                October 31, 2000
BASE RENT - TOTAL FOR LEASE TERM:               $155,448.00
BASE RENT - TOTAL ANNUAL:                       $51,816.00
BASE RENT - MONTHLY RENT AMOUNT:                $4,318.00
TENANT'S PRO RATA SHARE (FOR ADDITIONAL RENT):  13.40% (6,947 DIVIDED BY 51,845)
A-1
                                             
INITIAL MONTHLY DEPOSIT AMOUNT:                 $6,529.46
SECURITY DEPOSIT AMOUNT:                        $6,529.46
PLACE FOR PAYMENTS:                             Welsh Companies, Inc.
                                                ▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇
                                                ▇▇▇▇▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇
                                                Attn:  Accounting Department
PERMITTED USE(S) BY TENANT:                     Office/Warehouse/Light Assembly and
                                                Manufacturing
PARTICIPATING BROKERS:                          ▇▇▇▇ ▇▇▇▇▇▇▇, Paramount Real Estate 
                                                Corporation and ▇▇▇▇▇ ▇▇▇▇▇▇▇, 
                                                JBL Companies, Inc.
A-2
                                       
                                   EXHIBIT B
                    THIS IS A DIAGRAM DEPICTING PHASE II OF 
                ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇ DEVELOPMENT.
B-1
                                   EXHIBIT C
                 THIS IS A DIAGRAM DEPICTING THE SITE PLAN FOR
                 THE WATERS OFFICE COMPLEX IN EAGAN, MINNESOTA.
C-1
                                  EXHIBIT "D"
                               ENVIRONMENTAL RIDER
1.   TENANT'S REPRESENTATIONS, WARRANTIES AND COVENANTS CONCERNING THE USE OF
     HAZARDOUS SUBSTANCES/PERIODIC NOTICE
     (a)   ACCEPTANCE OF PROPERTY AND COVENANT TO SURRENDER.  Tenant accepts 
the Property as being in good sanitary order, condition and repair and 
accepts all buildings and other improvements in their present condition.  
Tenant agrees on the last day of the term of this Lease, to surrender the 
Demised Premises to Landlord in good and sanitary order, condition and 
repair, except for such wear and tear as would be normal for the period of 
the Tenant's occupancy.
     No spill, deposit, emission, leakage or other release of Hazardous 
Substances on the Property or the soil, surface water or groundwater thereof 
shall be deemed to be "wear and tear (that) would be normal for the period of 
the Tenant's occupancy." Tenant shall be responsible to promptly and 
completely clean up any such release caused by Tenant, its officers and 
employees, agents, contractors, and invitees as shall occur on the Property 
during the term of this Lease and shall surrender the Property free of any 
contamination or other damage caused by such occurrences during the term of 
the Lease.
     (b)  MAINTENANCE OF DEMISED PREMISES.  Tenant shall, at its sole cost 
and expense, keep and maintain the Demised Premises in good and sanitary 
order, condition, and repair.  As part of this maintenance obligation, Tenant 
shall promptly respond to and clean up any release or threatened release by 
Tenant of any Hazardous Substance into the drainage systems, soil, surface 
water, groundwater, or atmosphere, in a safe manner, in strict accordance 
with applicable Law, and as authorized or approved by all federal, state, 
and/or local agencies having authority to regulate the permitting, handling, 
and clean up of hazardous substances.
     (c)  USE OF HAZARDOUS SUBSTANCES.  Tenant shall not use, store, 
generate, treat, transport, or dispose of any Hazardous Substance on the 
Property without first obtaining Landlord's written approval.  Tenant shall 
notify Landlord and seek such approval in writing at lease thirty (30) days 
prior to bringing any Hazardous Substance onto the Property.  Landlord may 
withdraw approval of any such Hazardous Substance at any time, for reasonable 
cause related to the threat of site contamination, or damage or injury to 
persons, property or resources on or near the Property.  Upon withdrawal of 
such approval, Tenant shall immediately remove the Hazardous Substance from 
the site.  Landlord's failure to approve the use of a Hazardous Substance 
under this paragraphs shall not limit or affect Tenant's obligations under 
this Lease, including Tenant's duty to remedy or remove releases of 
threatened releases; to comply with Applicable Law relating to the use, 
storage, generation, treatment, transportation, and/or disposal of any such 
Hazardous Substances; or to indemnify Landlord against any harm or damage 
caused thereby.
D-1
     (d)  REPORTS TO LANDLORD.  For any month in which any Hazardous 
Substances have been used, generated, treated, stored, transported or 
otherwise been present on or in the Property pursuant to the provisions of 
the preceding paragraph, Tenant shall provide Landlord with a written report 
listing the Hazardous Substances which were present on the Property; all 
releases of Hazardous Substances that occurred or were discovered on the 
Property; all compliance activities related to such Hazardous Substances, 
including all contacts with government agencies or private parties of any 
kind concerning Hazardous Substances; and all manifests, business plans, 
consent agreements or other documents relating to Hazardous Substances 
executed or requested during that time period.  The report shall include 
copies of all documents and correspondence related to such activities and 
written reports of all oral contact relating thereto.
     (e)  ENTRY BY LANDLORD.  Tenant shall permit Landlord and his agents to 
enter into and upon the Demised Premises, upon notice, at all reasonable 
times for the purpose of inspecting the Demised Premises and all activities 
thereon, including activities involving Hazardous Substances, or for purposes 
of maintaining any buildings on the Property.  Such right of entry and 
inspection shall not constitute managerial or operational control by Landlord 
over any activities or operations conducted on the Property by Tenant.
II.  TENANT'S INDEMNITY AND RELEASE.
          (a)  INDEMNITY.
               (i)   Tenant hereby indemnifies, defends an holds harmless 
          Landlord from and against any suits, actions, legal or 
          administrative proceedings, demands, claims, liabilities, fines, 
          penalties, losses, injuries, damages, expenses or costs including 
          interest and attorneys' fees, incurred by, claimed or assessed 
          against Landlord under any laws, rules, regulations, including, 
          without limitation, Applicable Laws (as hereinafter defined), in 
          any way connected with any injury to any person or damage to any 
          property or any loss to Landlord caused by Tenant, its officers, 
          employees, agents, contractor and invitees occasioned in any way 
          Hazardous Substances (as hereinafter defined) on the Property or 
          the Demised Premises.
               (ii)  This indemnity specifically includes the direct 
          obligation of Tenant to perform any remedial or other activities 
          required, ordered, recommended or requested by any agency, 
          government official or third party, or otherwise necessary to avoid 
          or minimize injury or liability to any person, or to prevent the 
          spread of pollution, caused by Tenant's activities in the Demised 
          Premises, (hereinafter the "Remedial Work").  Tenant shall perform 
          all such work in its own name in accordance with Applicable Laws 
          (as hereinafter defined).
               (iii) Without waiving its rights hereunder, Landlord may, at its
          option, perform such remedial or removal work as described 
          in clause (ii) above, and 
D-2
          thereafter seek reimbursement for the costs thereof Tenant shall 
          permit Landlord access to the Property to perform such remedial 
          activities.
               (iv)  Whenever Landlord has incurred costs described in this
          section, Tenant shall, within ten (10) days of receipt of notice
          thereof, reimburse Landlord for all such expenses together with
          interest from the date of expenditure at the "applicable federal rate"
          established by the Internal Revenue Service.
     (b)  AGENCY OR THIRD PARTY ACTION.
     Without limiting its obligations under any other paragraph of this 
Agreement, tenant shall be solely and completely responsible for responding 
to and complying with any administrative notice, order, request or demand, or 
any third party claim or demand relating to potential or actual contamination 
on the Demised Premises.  The responsibility conferred under this paragraph 
includes but is not limited to responding to such orders on behalf of the 
Landlord and defending against any assertion of Landlord's financial 
responsibility or individual duty to perform under such orders.  Tenant shall 
assume, pursuant to Paragraph (a) above, any liabilities or responsibilities 
which are assessed against Landlord in any action described under this 
Paragraph (b).
     (c)  EXCEPTION TO TENANT'S COVENANTS.
     TO THE BEST OF LANDLORD'S KNOWLEDGE, NO HAZARDOUS SUBSTANCES EXIST 
WITHIN THE DEMISED PREMISES AT THE COMMENCEMENT DATE OF THIS LEASE AND 
LANDLORD SHALL INDEMNIFY AND DEFEND TENANT, ITS EMPLOYEES AND AGENTS AND SAVE 
THEM HARMLESS FROM AND AGAINST ANY AND ALL LOSS AND AGAINST ALL CLAIMS, 
ACTIONS, DAMAGES, LIABILITY AND EXPENSES ARISING OUT OF THE PRESENCE OF 
HAZARDOUS MATERIALS ON THE PREMISES PRIOR TO COMMENCEMENT OF THIS LEASE OR 
WHICH CAME ON TO THE PREMISES THROUGH NO FAULT OR ACTION OF TENANT.
III. DEFINITIONS.
     (a)  HAZARDOUS SUBSTANCE.
          "Hazardous Substance(s)" shall mean any substance which at any time 
     shall be listed as "hazardous" or "toxic" under the Comprehensive 
     Environmental Response Compensation 
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     and Liability Act ("CERCLA"), 42 U.S.C. `` 9601 ET SEQ., as amended and 
     the Resource Conservation and Recovery Act ("RCRA"), 42 U.S.C. " 6901 ET 
     SEQ., as amended, or in the regulations implementing such statutes, or 
     which has been or shall be determined at any time by any agency or court 
     to be a hazardous or toxic substance regulated under any other 
     Applicable Laws (as hereinafter defined).  The term "Hazardous" 
     Substance(s)" shall also include, without limitation, raw materials, 
     building components, the product or any manufacturing or other 
     activities on the Property, wastes, petroleum products, or special 
     nuclear or by-product material as defined by the Atomic Energy Act of 
     1954, 42 U.S.C. `` 3011, ET SEQ., as amended.
     (b)  APPLICABLE LAW(S).
          "Applicable Law(s)" shall include, but shall not be limited to, 
     CERCLA, RCRA, the Federal Water Pollution Control Act, 33 U.S.C. `` 1251 
     ET SEQ., the Clean Air act, 42 U.S.C. ``7401 ET SEQ., as amended, and 
     the regulations promulgated thereunder, and any other federal, state 
     and/or local laws or regulations, whether current in existence or 
     hereafter enacted or promulgated, that govern or relate to:
          (a)  The existence, cleanup and/or remedy of contamination of
               property;
          (b)  The protection of the environment from spilled, deposited or
               otherwise emplaced contamination;
          (c)  The control of hazardous or toxic substances or wastes; or
          (d)  The use, generation, discharge, transportation, treatment,
               removal or recovery of hazardous or toxic substances or wastes,
               including building materials.
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